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Over 104 verified businesses currently use CodeSignal for technical hiring assessments, primarily in the United States, which accounts for about 76% of users. The platform is also gaining traction in India, Switzerland, and various countries across Europe and Asia.
The Companies using CodeSignal span industries such as technology, IT services, internet-based businesses, and financial services. They rely on the platform to evaluate coding skills and streamline recruitment. Most users have between 50 and over 1,000 employees, with a high concentration in the 50–200 range. While many companies report annual revenues under $50 million, about 31% are large enterprises with revenues exceeding $1 billion.
CodeSignal has been actively adopted for over five years and five months, showcasing its ongoing value in tech talent assessments.
CodeSignal helps companies efficiently assess software engineers’ coding skills using real-world challenges and automated scoring. It supports various programming languages and allows candidates to demonstrate their abilities in realistic environments.
Companies that use CodeSignal benefit from detailed performance analytics that facilitate faster, more objective, and bias-free hiring decisions. Similarly, sales and marketing teams can leverage accurate technographic data to identify companies using platforms like CodeSignal, enabling more precise lead generation and outreach strategies.
CodeSignal is a key player in the technical assessment market, offering automated coding tests and real-world problem-solving tools. It competes with platforms like HackerRank, Codility, and LeetCode, setting itself apart through data-driven scoring and customizable assessments.
North America and Europe remain its core markets, but adoption in Asia-Pacific is growing rapidly. This global expansion reflects not only CodeSignal’s innovation but also the importance of market research in driving smarter, data-backed marketing and product decisions for tech platforms targeting diverse international markets.
| Provider | Market Share (%) | Key Strengths | Primary Markets |
|---|---|---|---|
|
HackerRank |
35% |
Extensive question bank, enterprise focus |
North America, Europe |
|
CodeSignal |
20% |
Data-driven scoring, customizable tests |
North America, Europe, APAC |
|
Codility |
15% |
Strong algorithmic challenges, ease of use |
Europe, North America |
|
LeetCode |
10% |
Large developer community, practice platform |
Global |
|
Others |
20% |
Various niche and emerging providers |
Global |
CodeSignal is trusted by over 132 verified companies worldwide, including Airbnb, Grammarly, Coinbase, Stripe, UiPath, and Deliveroo. These companies using CodeSignal come from a wide range of industries, including fintech, SaaS, and real estate, underscoring its flexibility and effectiveness.
The platform is especially popular among businesses with 50 to 200 employees and annual revenues between $10 million and $50 million—ideal for both scaling startups and mid-sized firms.
CodeSignal is powering technical assessments for a range of high‑growth and enterprise firms in 2025, spanning fintech, e‑commerce, data, and consumer tech:
| Company | Website | Annual Revenue | Company Size (Employees) |
|---|---|---|---|
|
Visa |
www.visa.com
|
Over $1 billion |
10,000+ employees |
|
Uber |
www.uber.com
|
Over $1 billion |
10,000+ employees |
|
Databricks |
www.databricks.com
|
Over $1 billion |
~5,000–9,999 employees |
|
Coinbase |
www.coinbase.com
|
Over $1 billion |
~1,000–5,000 employees |
|
Instacart |
www.instacart.com
|
~$2 billion |
10,000+ employees |
|
Robinhood |
www.robinhood.com
|
~$1.9 billion |
~1,000–5,000 employees |
|
Dropbox |
www.dropbox.com
|
$~2 billion or more |
Several thousand employees |
|
Brex |
www.brex.com
|
~$1 billion (fintech) |
~250–500 employees |
|
Asana |
www.asana.com
|
Over $1 billion |
~1,000–1,300 employees |
|
Gusto |
www.gusto.com
|
~500 M + |
~500–1,000 employees |
CodeSignal stands out in the skill assessment market alongside HackerRank, Codility, and LeetCode.
HackerRank is popular among large firms for its extensive question bank and integration with HR tools. Codility appeals to mid-sized companies with its user-friendly algorithmic challenges. LeetCode, known for practice, is also moving into recruitment.
CodeSignal offers customizable tests and real-world scenarios with robust analytics, enhancing candidate experiences and driving its market growth. Ultimately, the choice depends on company size, industry, and the evaluation depth needed.
The Companies using CodeSignal come from diverse industries. Originally favored by tech startups, CodeSignal has found strong adoption in finance, education, healthcare, HR, and e-commerce.
Tech companies use it for frontend, backend, and full-stack hiring. FinTech’s trusts its secure assessments for compliance. Educational institutions assess students’ coding capabilities, while HR and recruitment firms leverage it for scalable hiring solutions.
CodeSignal has steadily expanded its international reach. While the United States accounts for the highest percentage of companies that use CodeSignal (80.4%), the platform is seeing growth in Canada, the UK, Germany, India, France, and Australia.
Its adoption in India is fueled by a booming IT services sector, while in Europe, enterprise software firms and educational institutions are key drivers of growth.
The Companies using CodeSignal range from startups to large corporations. Mid-sized businesses (50–500 employees) find their customizable tests perfect for hiring efficiency. Larger firms (500+ employees) appreciate its scalability, while startups (1–50 employees) value its ability to identify engineering talent early.
| Employee Range | % of CodeSignal Users |
|---|---|
|
1–50 employees |
26% |
|
51–200 employees |
38% |
|
201–500 employees |
18% |
|
501–1,000 employees |
9% |
|
1,001+ employees |
9% |
The Companies using CodeSignal often fall into the small-to-mid-size category and are seeking efficient, objective, and scalable technical assessments. Nearly 49% of users generate less than $50 million annually, with many under $10 million appreciating the platform’s standardized assessments.
Another 40% come from companies earning between $50 million and $1 billion, using CodeSignal for high-volume hiring. A small percentage are enterprises over $1 billion, indicating that CodeSignal is ideal for fast-growing organizations focused on efficient hiring processes.
CodeSignal is a trusted platform for technical hiring, used by over 100 verified companies globally. Primarily serving the United States, it is expanding in countries like India, the UK, and Canada across various industries, including tech, finance, education, and HR.
Its flexible assessment tools and real-world coding challenges are valuable for small to mid-sized businesses, as well as large enterprises with complex hiring needs. With over five years of market presence, CodeSignal is crucial for merit-based hiring. As demand for skilled developers grows, the number of companies using CodeSignal will continue to rise.
Richard Charles is a seasoned expert in technology-driven marketing, with a focus on crafting data-centric strategies for tech businesses. With a background in sales and business intelligence, Richard specializes in helping companies harness the power of targeted tech users lists to fuel their marketing efforts. His deep understanding of tech markets allows him to provide actionable insights that help businesses connect with the right audience. When he’s not analyzing data, Richard enjoys exploring emerging technologies and how they shape the future of marketing.
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