How many email patterns does CodeSignal use?

CodeSignal uses 7 known email patterns.

What domain does CodeSignal use for work emails?

CodeSignal uses codesignal.com, codefights.com for work email addresses.

Most Common Email Formats at CodeSignal

CodeSignal's most common email format is First.Last@codesignal.com (ex. John.Doe@codesignal.com), used for 72% of codesignal.com addresses. CodeSignal uses 6 email patterns across 2 domains: codesignal.com and codefights.com. Percentages are the share of addresses within each domain.

@codesignal.com

3 patterns

Format	Example	Share of codesignal.com
First.Last@codesignal.comMost common	John.Doe@codesignal.com	72%
First@codesignal.com	John@codesignal.com	26%
Last@codesignal.com	Doe@codesignal.com	2%

@codefights.com

3 patterns

Format	Example	Share of codefights.com
Last@codefights.comMost common	Doe@codefights.com	80%
First.Last@codefights.com	John.Doe@codefights.com	12%
First@codefights.com	John@codefights.com	8%

Need a specific person's email?

Browse CodeSignal's employee directory (about 174 employees) and reveal verified emails free.

Frequently Asked Questions

What does CodeSignal do?

CodeSignal operates in the Technology, Information and Internet industry, alongside similar companies like CodinGame, Codecademy and HackerEarth. You can visit codesignal.com or contact CodeSignal's headquarters by phone at

+1-415-488-****

. Explore CodeSignal's company overview page for more information.

What is CodeSignal's email address format?

CodeSignal's email format typically follows the pattern of First.Last@codesignal.com; this email format is used 72% of the time. Other contacts within LeadIQ's database had email formats such as First@codesignal.com and Last@codesignal.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does CodeSignal have currently?

CodeSignal has approximately 174 employees as of October 2026. Key team members to contact include Director Of Sales: B. W., Director Of Engineering: A. E. and Director Of Product Marketing: K. B. F. For more team information and contact data, explore CodeSignal's employee directory with LeadIQ.

CodeSignal Email Format

Q: What is CodeSignal's email address format?

CodeSignal's email format typically follows the pattern of ${fn}.${ln}. Other email formats include ${fn} and ${ln}.

Technology, Information and InternetCalifornia, United States51-200 Employees

CodeSignal is a technology company based in San Francisco, California, operating in the technology, information and internet sector. It offers an AI-powered skills platform designed to help organizations hire, train, and grow talent at scale while supporting individuals in advancing their careers. The platform has completed millions of skills assessments and is used by individuals worldwide and by prominent organizations. 

Positioned as a mid-sized provider, CodeSignal serves enterprises and teams seeking scalable ways to evaluate and develop talent within the tech landscape. In May 2026, the company announced agentic authoring capabilities within CodeSignal Learn, reflecting ongoing product evolution.

Most common format

First.Last@codesignal.com

Example: John.Doe@codesignal.com

6 patterns across 2 domains. See all formats

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Most Common Email Formats at CodeSignal

@codesignal.com

@codefights.com

Need a specific person's email?

Frequently Asked Questions

What does CodeSignal do?

What is CodeSignal's email address format?

How many employees does CodeSignal have currently?

CodeSignal Email Format

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What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.