Company lists · Data refreshed October 2026
Top 25 Coding challenge software companies worldwide
RevenueBase identified 244 company matches for coding challenge software companies worldwide as of October 2026 and tracks 3,592 professional contacts across them, including 288 with verified work emails. The United States is the largest market and Bangalore the largest hub.
This list covers company matches for coding challenge software companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 19, 2026. Country and city lists for coding challenge software companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest coding challenge software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,642 contacts → | ||||
Exact match “HackerRank is a technology hiring platform that is the standard for assessing developer skills for 2500+ companies around the world.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 380 contacts → | ||||
Exact match “About FunctionUp- FunctionUp serves as the foundational stepping stone towards a thriving career in the ever-evolving Tech Industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 169 contacts → | ||||
Exact match “Online coding platforms for professionals.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 57 contacts → | ||||
Exact match “At Devpost our mission is to inspire the world's developers to build great software.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 46 contacts → | ||||
Exact match “We are a PaaS and SaaS platform company empowering students and developers to build impactful tech projects through HAWCC-our cloud-first, Agentic AI-ready platform.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 46 contacts → | ||||
Exact match “For developers: Our professionally designed challenges help you gain hands-on experience writing HTML, CSS, and JavaScript.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 23 contacts → | ||||
Exact match “Companies looking to hire talented developers (Parrot, Ubisoft, Warner Bros, Bank of America, etc.) turn to CodinGame to evaluate candidates' skills before hiring.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “omegaUp is a nonprofit organization aimed to build the talent pipeline of Software Engineers from Latin America and other Spanish-speaking communities by providing an accessible…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “Recruitment Made easy.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “JDoodle is an Australian software development company creating an ecosystem of programming tools to turbocharge the software development industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “Codejudge’s mission is to make developer recruiting efficient for companies by providing a platform for solving real world challenges.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Kattis helps companies to recruit and attract the best programmers with its dynamic challenge platform.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “Hatchways helps companies run real-world technical assessments.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “SudoCyber are on a mission to make learning fun, engaging & accessible.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “We deliver “out of the box” software components that enable technical leaders to create cost-effective, flexible and scalable coding assessment solutions and online code execution…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “Technical skills screening platform for hiring developers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “CheckiO is an interactive and educational game and competition platform for developers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Hiring skilled developers shouldn’t feel like guesswork.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Since 2012, more than 20 participants participated in our projects; developers, designers, managers, test engineers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Cenglab, genç yetenekleri gerçek sektör problemleri üzerinden şirketlerle buluşturan, challenge tabanlı yetenek keşif ve gelişim platformudur.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “algoleague, supported by BEV Foundation, is a competitive programming platform where algorithm enthusiasts of all levels practice their algorithmic thinking skills, and compete in…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “CoderScout is a modern technical assessment platform designed to help companies identify top engineering, data, and IT talent through real-world coding challenges, structured…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Learning to code takes time, motivation, and energy (and for many it is something that we do on the side after hours from school or work).” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “A next-generation talent assessment platform that crowdsources engineering challenges.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “coding challenge software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 244 coding challenge software companies worldwide
See the full list, filter by size, metro and specialty, and access 288 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Coding challenge software companies worldwide at a glance
As of Oct 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for coding challenge software companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “coding challenge software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 288 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 19, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Coding challenge software companies by location
1 lists · largest firstEvery Coding challenge software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “coding challenge software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many coding challenge software companies are there worldwide?
RevenueBase identified 244 company matches for coding challenge software companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Hackerrank tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most coding challenge software companies?
The United States leads with 31 companies. Every coding challenge software companies list by country and city is linked on this page.
Which city has the most coding challenge software companies?
Bangalore leads with 13 company records, followed by San Francisco (6) and Hyderabad (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 288 professional contacts with verified work emails tracked across these 244 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 244 coding challenge software companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 coding challenge software companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 244 matching company records for coding challenge software companies worldwide, with 3,592 tracked contacts and 288 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 coding challenge software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Hackerrankhackerrank.comHQ: Santa Clara, CA, United StatesReported employees: Not recorded | Santa Clara, CA, United States | Not recorded | Exact match | 1,642 contacts → |
“HackerRank is a technology hiring platform that is the standard for assessing developer skills for 2500+ companies around the world.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Functionupfunctionup.orgHQ: Banaglore, IndiaReported employees: 51-200 | Banaglore, India | 51-200 | Exact match | 380 contacts → |
“About FunctionUp- FunctionUp serves as the foundational stepping stone towards a thriving career in the ever-evolving Tech Industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Leetcodeleetcode.com HQ: Palo Alto, CA, United StatesReported employees: Not recorded | Palo Alto, CA, United States | Not recorded | Exact match | 169 contacts → |
“Online coding platforms for professionals.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Devpostdevpost.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 57 contacts → |
“At Devpost our mission is to inspire the world's developers to build great software.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Hebbale Academyhebbale.academyHQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 46 contacts → |
“We are a PaaS and SaaS platform company empowering students and developers to build impactful tech projects through HAWCC-our cloud-first, Agentic AI-ready platform.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Frontend Mentorfrontendmentor.io HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 46 contacts → |
“For developers: Our professionally designed challenges help you gain hands-on experience writing HTML, CSS, and JavaScript.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Codingamecodingame.comHQ: Montpellier, FranceReported employees: 51-200 | Montpellier, France | 51-200 | Exact match | 23 contacts → |
“Companies looking to hire talented developers (Parrot, Ubisoft, Warner Bros, Bank of America, etc.) turn to CodinGame to evaluate candidates' skills before hiring.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Omegaupomegaup.org HQ: Bellevue, WA, United StatesReported employees: 11-50 | Bellevue, WA, United States | 11-50 | Exact match | 22 contacts → |
“omegaUp is a nonprofit organization aimed to build the talent pipeline of Software Engineers from Latin America and other Spanish-speaking communities by providing an accessible…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Evalgroundevalground.comHQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 19 contacts → |
“Recruitment Made easy.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Jdoodlejdoodle.comHQ: Canberra, AustraliaReported employees: 11-50 | Canberra, Australia | 11-50 | Exact match | 16 contacts → |
“JDoodle is an Australian software development company creating an ecosystem of programming tools to turbocharge the software development industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Codejudge INCcodejudge.io HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 15 contacts → |
“Codejudge’s mission is to make developer recruiting efficient for companies by providing a platform for solving real world challenges.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Kattiskattis.com HQ: Vaxholm, SwedenReported employees: 11-50 | Vaxholm, Sweden | 11-50 | Exact match | 13 contacts → |
“Kattis helps companies to recruit and attract the best programmers with its dynamic challenge platform.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Hatchwayshatchways.ioHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 12 contacts → |
“Hatchways helps companies run real-world technical assessments.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sudocybersudocyber.netHQ: Brecon, United KingdomReported employees: 11-50 | Brecon, United Kingdom | 11-50 | Exact match | 11 contacts → |
“SudoCyber are on a mission to make learning fun, engaging & accessible.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sphere Enginesphere-research.comHQ: Gdynia, PolandReported employees: 11-50 | Gdynia, Poland | 11-50 | Exact match | 10 contacts → |
“We deliver “out of the box” software components that enable technical leaders to create cost-effective, flexible and scalable coding assessment solutions and online code execution…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Edlyftedlyft.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Code Interviewcodeinterview.io HQ: San Mateo, CA, United StatesReported employees: 1-10 | San Mateo, CA, United States | 1-10 | Exact match | 6 contacts → |
“Technical skills screening platform for hiring developers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Checkiocheckio.org HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 5 contacts → |
“CheckiO is an interactive and educational game and competition platform for developers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  accelerate.ioaccelerate.ioHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Hiring skilled developers shouldn’t feel like guesswork.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | We Challengewechallenge.it HQ: Kyiv, UkraineReported employees: 1-10 | Kyiv, Ukraine | 1-10 | Exact match | 4 contacts → |
“Since 2012, more than 20 participants participated in our projects; developers, designers, managers, test engineers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cenglabcenglab.comHQ: Istanbul, TürkiyeReported employees: 1-10 | Istanbul, Türkiye | 1-10 | Exact match | 4 contacts → |
“Cenglab, genç yetenekleri gerçek sektör problemleri üzerinden şirketlerle buluşturan, challenge tabanlı yetenek keşif ve gelişim platformudur.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Algoleaguealgoleague.com HQ: Istanbul, TürkiyeReported employees: 1-10 | Istanbul, Türkiye | 1-10 | Exact match | 4 contacts → |
“algoleague, supported by BEV Foundation, is a competitive programming platform where algorithm enthusiasts of all levels practice their algorithmic thinking skills, and compete in…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  coderscout.iocoderscout.ioHQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 3 contacts → |
“CoderScout is a modern technical assessment platform designed to help companies identify top engineering, data, and IT talent through real-world coding challenges, structured…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | runcode.ninjaruncode.ninja HQ: Evans, GA, United StatesReported employees: 1-10 | Evans, GA, United States | 1-10 | Exact match | 2 contacts → |
“Learning to code takes time, motivation, and energy (and for many it is something that we do on the side after hours from school or work).” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Devmatchdevmatch.ioHQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 2 contacts → |
“A next-generation talent assessment platform that crowdsources engineering challenges.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 244 company matches
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Coding challenge software companies: dataset insights
October 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
244 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 244 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Coding challenge software companies by location
1 lists · largest firstEvery Coding challenge software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for coding challenge software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many coding challenge software companies did RevenueBase find worldwide?
The saved snapshot records 244 matching company records, 3,592 tracked contacts and 288 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 coding challenge software companies worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/coding-challenge-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 coding challenge software companies worldwide
RevenueBase records 244 matching company records for coding challenge software companies worldwide, with 3,592 tracked contacts and 288 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 coding challenge software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Hackerrankhackerrank.com HQ: Santa Clara, CA, United StatesReported employees: Not recorded | Santa Clara, CA, United States | Not recorded | Exact match | 1,642 contacts → |
“HackerRank is a technology hiring platform that is the standard for assessing developer skills for 2500+ companies around the world.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Functionupfunctionup.org HQ: Banaglore, IndiaReported employees: 51-200 | Banaglore, India | 51-200 | Exact match | 380 contacts → |
“About FunctionUp- FunctionUp serves as the foundational stepping stone towards a thriving career in the ever-evolving Tech Industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Leetcodeleetcode.com HQ: Palo Alto, CA, United StatesReported employees: Not recorded | Palo Alto, CA, United States | Not recorded | Exact match | 169 contacts → |
“Online coding platforms for professionals.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Devpostdevpost.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 57 contacts → |
“At Devpost our mission is to inspire the world's developers to build great software.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Hebbale Academyhebbale.academy HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 46 contacts → |
“We are a PaaS and SaaS platform company empowering students and developers to build impactful tech projects through HAWCC-our cloud-first, Agentic AI-ready platform.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Frontend Mentorfrontendmentor.io HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 46 contacts → |
“For developers: Our professionally designed challenges help you gain hands-on experience writing HTML, CSS, and JavaScript.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Codingamecodingame.com HQ: Montpellier, FranceReported employees: 51-200 | Montpellier, France | 51-200 | Exact match | 23 contacts → |
“Companies looking to hire talented developers (Parrot, Ubisoft, Warner Bros, Bank of America, etc.) turn to CodinGame to evaluate candidates' skills before hiring.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Omegaupomegaup.org HQ: Bellevue, WA, United StatesReported employees: 11-50 | Bellevue, WA, United States | 11-50 | Exact match | 22 contacts → |
“omegaUp is a nonprofit organization aimed to build the talent pipeline of Software Engineers from Latin America and other Spanish-speaking communities by providing an accessible…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Evalgroundevalground.com HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 19 contacts → |
“Recruitment Made easy.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Jdoodlejdoodle.com HQ: Canberra, AustraliaReported employees: 11-50 | Canberra, Australia | 11-50 | Exact match | 16 contacts → |
“JDoodle is an Australian software development company creating an ecosystem of programming tools to turbocharge the software development industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Codejudge INCcodejudge.io HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 15 contacts → |
“Codejudge’s mission is to make developer recruiting efficient for companies by providing a platform for solving real world challenges.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Kattiskattis.com HQ: Vaxholm, SwedenReported employees: 11-50 | Vaxholm, Sweden | 11-50 | Exact match | 13 contacts → |
“Kattis helps companies to recruit and attract the best programmers with its dynamic challenge platform.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hatchwayshatchways.io HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 12 contacts → |
“Hatchways helps companies run real-world technical assessments.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sudocybersudocyber.net HQ: Brecon, United KingdomReported employees: 11-50 | Brecon, United Kingdom | 11-50 | Exact match | 11 contacts → |
“SudoCyber are on a mission to make learning fun, engaging & accessible.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sphere Enginesphere-research.com HQ: Gdynia, PolandReported employees: 11-50 | Gdynia, Poland | 11-50 | Exact match | 10 contacts → |
“We deliver “out of the box” software components that enable technical leaders to create cost-effective, flexible and scalable coding assessment solutions and online code execution…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Edlyftedlyft.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 10 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Code Interviewcodeinterview.io HQ: San Mateo, CA, United StatesReported employees: 1-10 | San Mateo, CA, United States | 1-10 | Exact match | 6 contacts → |
“Technical skills screening platform for hiring developers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Checkiocheckio.org HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 5 contacts → |
“CheckiO is an interactive and educational game and competition platform for developers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | accelerate.ioaccelerate.io HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Hiring skilled developers shouldn’t feel like guesswork.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | We Challengewechallenge.it HQ: Kyiv, UkraineReported employees: 1-10 | Kyiv, Ukraine | 1-10 | Exact match | 4 contacts → |
“Since 2012, more than 20 participants participated in our projects; developers, designers, managers, test engineers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cenglabcenglab.com HQ: Istanbul, TürkiyeReported employees: 1-10 | Istanbul, Türkiye | 1-10 | Exact match | 4 contacts → |
“Cenglab, genç yetenekleri gerçek sektör problemleri üzerinden şirketlerle buluşturan, challenge tabanlı yetenek keşif ve gelişim platformudur.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Algoleaguealgoleague.com HQ: Istanbul, TürkiyeReported employees: 1-10 | Istanbul, Türkiye | 1-10 | Exact match | 4 contacts → |
“algoleague, supported by BEV Foundation, is a competitive programming platform where algorithm enthusiasts of all levels practice their algorithmic thinking skills, and compete in…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | coderscout.iocoderscout.io HQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 3 contacts → |
“CoderScout is a modern technical assessment platform designed to help companies identify top engineering, data, and IT talent through real-world coding challenges, structured…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | runcode.ninjaruncode.ninja HQ: Evans, GA, United StatesReported employees: 1-10 | Evans, GA, United States | 1-10 | Exact match | 2 contacts → |
“Learning to code takes time, motivation, and energy (and for many it is something that we do on the side after hours from school or work).” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Devmatchdevmatch.io HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 2 contacts → |
“A next-generation talent assessment platform that crowdsources engineering challenges.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 244 company matches
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Coding challenge software companies: dataset insights
October 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
244 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 244 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Coding challenge software companies by location
1 lists · largest firstEvery Coding challenge software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for coding challenge software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many coding challenge software companies did RevenueBase find worldwide?
The saved snapshot records 244 matching company records, 3,592 tracked contacts and 288 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 coding challenge software companies worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/coding-challenge-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗