We're hiring!

Help Us Secure
The World's Email

Join a team of passionate engineers, designers, and security experts building the future of email authentication. Remote-first, well-funded, and growing fast.

50K+
Domains Protected
25+
Team Members
12
Countries
$15M
Raised

Why Join MailSentinel?

We believe in taking care of our team so they can do their best work.

Remote-First

Work from anywhere in the world. We're a distributed team.

Competitive Salary

Top-of-market compensation with equity options.

Health & Wellness

Comprehensive health, dental, and vision coverage.

Unlimited PTO

Take the time you need to recharge and do your best work.

Home Office Budget

$2,000 to set up your ideal workspace.

Team Retreats

Annual company gatherings in amazing locations.

Open Positions

Find your next opportunity. All positions are remote-friendly.

Engineering

Senior Full-Stack Engineer

Remote (US/EU)Full-time$150K - $200K

Build and scale our core platform. You'll work across the stack with Next.js, TypeScript, and Cloudflare Workers.

Engineering

Backend Engineer

Remote (Worldwide)Full-time$120K - $170K

Design and implement high-performance APIs and data pipelines for processing billions of email authentication events.

Design

Product Designer

Remote (US/EU)Full-time$130K - $180K

Shape the user experience of our dashboard and tools. Turn complex security data into intuitive interfaces.

Marketing

Developer Relations Engineer

Remote (Worldwide)Full-time$110K - $150K

Be the bridge between our product and the developer community. Create content, build integrations, and represent MailSentinel.

Customer Success

Customer Success Manager

Remote (US)Full-time$90K - $130K

Help enterprise customers get the most out of MailSentinel. Drive adoption, renewals, and expansion.

Sales

Sales Development Representative

Remote (US)Full-time$60K - $80K + Commission

Generate qualified pipeline for the sales team. Research prospects, craft outreach, and book meetings with decision-makers.

Don't see the right role?

We're always looking for talented people. Send us your resume and tell us how you'd like to contribute.