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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">CodeSignal</span></span>
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</style><table class="infobox ib-company vcard"><caption class="infobox-title fn org" style="font-size: 125%;">CodeSignal</caption><tbody><tr><td colspan="2" class="infobox-image ib-company-logo logo"></td></tr><tr><th scope="row" class="infobox-label">Company type</th><td class="infobox-data category">Private</td></tr><tr><th scope="row" class="infobox-label">Industry</th><td class="infobox-data category">Software, Technology, Education</td></tr><tr><th scope="row" class="infobox-label">Founded</th><td class="infobox-data">2015</td></tr><tr><th scope="row" class="infobox-label">Founders</th><td class="infobox-data agent">Tigran Sloyan, Aram Shatakhtsyan, Felix Desroches</td></tr><tr><th scope="row" class="infobox-label">Headquarters</th><td class="infobox-data adr"><div class="ib-company-locality locality">San Francisco, California, U.S.</div></td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Area served</div></th><td class="infobox-data">Worldwide</td></tr><tr><th scope="row" class="infobox-label">Products</th><td class="infobox-data">CodeSignal Hire, CodeSignal Learn, CodeSignal Develop</td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://codesignal.com">codesignal<wbr>.com</a></span></td></tr></tbody></table>
<p><b>CodeSignal</b> is a technology company that provides a technical assessment and learning platform for software developers. Founded in 2015 and headquartered in San Francisco, California, CodeSignal offers coding tests, assessments, and learning platforms designed to measure and improve coding skills. The company was launched under the name <b>CodeFights</b> in 2015, and was rennamed in 2018.
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<div class="mw-heading mw-heading2"><h2 id="History">History</h2></div>
<p>CodeSignal was founded in 2015 by Tigran Sloyan, Aram Shatakhtsyan, and Felix Desroches.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Initially launched as CodeFights, it began as a platform for competitive programming challenges, allowing users to compete in head-to-head timed coding battles.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p><p>In 2017, CodeFights introduced an interview practice mode, helping users prepare for technical interviews with practice questions and assessments.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> In 2018, the company rebranded to <b>CodeSignal</b> to reflect its shift towards providing assessment tools for technical recruiting and introduced the Coding Score, a standardized measure for developers to showcase their coding abilities to potential employers.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading3"><h3 id="Fundraising_History">Fundraising History</h3></div>
<p>In October 2020, CodeSignal announced that it had raised $25 million in a Series B funding round led by Menlo Ventures, with participation from existing investors including Capital One Ventures and CM Ventures.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The funding was aimed at expanding the company's technical assessment platform and scaling its team.
</p><p>In September 2021, CodeSignal secured $50 million in a Series C funding round led by Index Ventures, with additional participation from Menlo Ventures and Headline. The company stated that the funds would be used to further develop its technical assessment solutions and invest in research and development.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Products_and_Services">Products and Services</h2></div>
<p>CodeSignal offers a suite of assessment and educational tools designed to evaluate and improve coding skills.
</p><p>The company's assessment platform provides standardized coding tests, real-world coding environments, and advanced task-based simulations. These assessments are used by companies as part of their technical hiring processes.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>
</p><p>In 2024, CodeSignal launched CodeSignal Learn, which provides programming and technical education. The platform includes an AI learning assistant called "Cosmo", which is derived from existing <a href="LLM" class="mw-redirect" title="LLM">LLMs</a>, such as ChatGPT.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup>
</p><p>In October 2024, CodeSignal released the <i>AI Benchmarking Report</i> which compared the coding skills of several AI models with those of human software engineers.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> According to CodeSignal, AI models demonstrated impressive capabilities in solving coding tasks, top-performing human candidates still outperformed them in both average score and solve rate.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup>
</p><p>CodeSignal also publishes an annual University Ranking Report, which ranks universities based on the performance of their students in CodeSignal's General Coding Assessment.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div>
<ul><li><a href="Skill" title="Skill">Skill</a></li>
<li><a href="Coding_interview" title="Coding interview">Coding interview</a></li>
<li><a href="Computer_Programming" class="mw-redirect" title="Computer Programming">Computer Programming</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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<li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">
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/* end https://en.wikipedia.org/ */
</style><cite id="CITEREFSimons2016" class="citation news cs1">Simons, John (16 November 2016). <a rel="nofollow" class="external text" href="https://www.wsj.com/articles/new-site-helps-outsiders-land-tech-jobs-1479232236">"New Site Helps Outsiders Land Tech Jobs"</a>. <i>The Wall Street Journal</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><cite id="CITEREFRosoff2015" class="citation news cs1">Rosoff, Matt (2 September 2015). <a rel="nofollow" class="external text" href="https://www.businessinsider.com/codefights-thinks-competitive-programming-can-be-a-spectator-sport-2015-9">"This startup thinks competitive programming could be more popular than college football"</a>. <i>Business Insider</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><cite id="CITEREFLunden2017" class="citation web cs1">Lunden, Ingrid (22 June 2017). <a rel="nofollow" class="external text" href="https://techcrunch.com/2017/06/22/codefights-new-practice-mode-helps-developers-prepare-for-job-interviews/">"CodeFights launches a new practice mode to help developers prepare for job interviews"</a>. <i>TechCrunch</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><cite id="CITEREFO'Brien2018" class="citation web cs1">O'Brien, Chris (30 May 2018). <a rel="nofollow" class="external text" href="https://venturebeat.com/2018/05/30/codefights-rebrands-as-codesignal-launches-interview-practice-mode/">"CodeFights rebrands as CodeSignal, launches Interview Practice Mode"</a>. <i>VentureBeat</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><cite id="CITEREFSloyan2020" class="citation web cs1">Sloyan, Tigran (7 October 2020). <a rel="nofollow" class="external text" href="https://codesignal.com/blog/codesignal-updates/codesignal-announces-25m-series-b-funding/">"CodeSignal Announces $25M Series B Funding"</a>. <i>CodeSignal Blog</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><cite id="CITEREFLunden2021" class="citation web cs1">Lunden, Ingrid (16 September 2021). <a rel="nofollow" class="external text" href="https://techcrunch.com/2021/09/16/codesignal-secures-50m-for-its-tech-hiring-platform/">"CodeSignal secures $50M for its tech hiring platform"</a>. <i>TechCrunch</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://codesignal.com/products/">"Products"</a>. <i>CodeSignal</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><cite id="CITEREFKorosec2024" class="citation web cs1">Korosec, Kristin (8 February 2024). <a rel="nofollow" class="external text" href="https://techcrunch.com/2024/02/08/codesignal-launches-a-learning-platform-with-an-ai-powered-guide/">"CodeSignal launches a learning platform with an AI-powered guide"</a>. <i>TechCrunch</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><cite id="CITEREFSmith2024" class="citation web cs1">Smith, Jane (15 March 2024). <a rel="nofollow" class="external text" href="https://www.fastcompany.com/91025658/codesignals-new-ai-platform-wants-to-be-the-duolingo-of-tech-education">"CodeSignal's new AI platform wants to be the Duolingo of tech education"</a>. <i>Fast Company</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><cite id="CITEREFTeam_CodeSignal2024" class="citation web cs1">Team CodeSignal (1 October 2024). <a rel="nofollow" class="external text" href="https://codesignal.com/blog/ai-vs-human-engineers-benchmarking-coding-skills/">"AI vs. human engineers: Benchmarking coding skills head-to-head"</a>. <i>CodeSignal Blog</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><cite id="CITEREFSmith2024" class="citation web cs1">Smith, John (2 October 2024). <a rel="nofollow" class="external text" href="https://techcrunch.com/2024/10/02/codesignal-ai-benchmark-report/">"CodeSignal's AI Benchmark Report shows humans still outperform AI in coding tests"</a>. <i>TechCrunch</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
<li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://codesignal.com/university-ranking-report-2024/">"University Ranking Report 2024"</a>. <i>CodeSignal</i><span class="reference-accessdate">. Retrieved <span class="nowrap">26 October</span> 2024</span>.</cite></span>
</li>
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<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>
<ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://codesignal.com">Official website</a></span></span></li></ul></div><!--htdig_noindex--><div><div class="zim-footer">
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