Server + Spam Engineer

Server /
Fulltime /
Signal is hiring server (backend) developers to help make private communication simple. If you care about code quality as much as you care about user privacy, you should fit right in. This role is an opportunity to have an immediate impact while working closely with a talented team to solve challenging problems and ship new features to millions of users.
In this particular role, there will be a focus on Spam/Fraud detection and prevention. At Signal, there are unique challenges due to the absence of data collection as a policy. The work will require novel approaches as conventional methods require inaccessible data.

About you

    • Knowledge, and passion in working with Spam/Fraud prevention system.
    • Proven track record building core systems of highly resilient/performant platform infrastructures used by external customers (messaging, databases, storage, caching, etc.)
    • Experience being the architect of major new enhancements
    • Capable of communicating effectively. We're a small organization; you will be involved in every aspect
    • Prepared to immediately contribute to our (primarily Java, with Rust, Go, C++) open-source server codebases (e.g. Signal-Server, ContactDiscoveryService, SecureValueRecovery)
    • 5+ years of industry experience

What we offer

    • We’re fully distributed. This means you can work anywhere within US timezones. Whether it’s your favorite coffee shop or your living room or a coworking space we help cover, Signal gives you the flexibility to make your work work for you. And we travel a few times throughout the year so you can get to know your colleagues in person.
    • Excellent healthcare, vision, and dental with all premiums covered.
    • Our 401(k) plan matches your contributions (without any vesting period) up to $20,500.
    • We're stable, well-funded, and driven by our privacy mission, not profit. This means we’re capable of focusing on what is best for users without distractions or compromises.
    • Feel good about what you do. Signal is building core infrastructure for truly private digital communications. We don’t participate in the surveillance business model, and we are proud of the integrity and transparency of our work.
    • Salary range based on experience: $160,000 - $260,000.

Signal Messenger is an equal opportunity employer. All applicants will be considered for employment regardless of race, color, national origin, religion, sex, age, disability, sexual orientation, gender identity, veteran or disability status.

At Signal, trust and mutual respect are foundational to our culture, as are empathy and transparency in how we interact as an internal team and with the world around us. We are committed to creating a work environment that is supportive, challenging, and that draws on people from a variety of backgrounds. Diverse perspectives and backgrounds are critical to delivering on our core purpose of protecting free expression and enabling secure communication around the globe.