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Senior Full-Stack Engineer, Email Systems

1 hour, 42 minutes ago
United States
Full-time
Senior
Full-stack Engineer
Software Development
AWS Design Systems Java JavaScript Pulumi Python Rust TypeScript Wireframing
Apply Now
Mozilla

Mozilla

Mozilla, the maker of Firefox, is a non-profit organization ensuring an open, safe, and accessible internet for all users worldwide.

Internet Software & Services
251-1K
Founded 2005
$2M raised
View All Jobs 52

Description

  • Build and prototype new features and solutions for complex technical challenges.
  • Develop and maintain metrics to monitor email delivery rates, sender reputation, and service-level issues.
  • Monitor email industry standards, trends, and emerging threats, and propose delivery and spam-resilience improvements.
  • Develop, test, and evolve code architecture to improve scalability, maintainability, and robustness.
  • Conduct code reviews and contribute to technical strategy and architectural decisions.
  • Work with designers and product leads to build and deploy prototypes and experiments that improve workflows, conversions, and privacy-respecting analytics.
  • Evaluate and implement improvements across security, logging, performance, and accessibility.
  • Support service stability and reliability, including participation in a shared on-call rotation.
  • Collaborate with designers, engineers, and community members to develop and maintain user-facing features.
  • Diagnose and resolve email issues at scale.

Requirements

  • 7+ years of professional software development experience, including 2+ years in a Senior Software Engineer role.
  • 2+ years of experience with JavaScript/TypeScript and 2+ years working with Python 3.
  • Experience building and maintaining email services.
  • Experience building and maintaining web applications.
  • Experience working across the full software development life cycle, from product inception through customer delivery.
  • Proven ability to deploy and manage web infrastructure on AWS or similar cloud providers.
  • Ability to translate wireframes, style guides, and design direction into polished, production-ready visual experiences.
  • Excellent English written and verbal communication skills for working with an international, geographically distributed team.
  • Hands-on background in Java and/or Rust development (preferred).
  • Familiarity with Stalwart email server (preferred).
  • Experience developing and maintaining an Identity Provider such as Keycloak or similar (preferred).
  • Experience writing Infrastructure as Code, ideally with Pulumi (preferred).
  • Contributions to open-source projects or active engagement with open-source communities (preferred).
  • Work authorization and residence in the specified country location(s) are required; visa sponsorship is not provided.

Benefits

  • US base salary range of $125,000 - $144,000.
  • Fully remote work with schedule flexibility.
  • Discretionary annual bonus program.
  • Monthly remote work stipend.
  • Annual professional development stipend plus access to Udemy, industry conferences, and company all-hands.
  • 24 days of PTO per year, plus your birthday, year-end company shutdown, 9 wellbeing days, public holidays, other paid leave, and quarterly wellbeing stipends.
  • 401(k) contributions, health/dental/vision insurance, disability insurance, life insurance, employee assistance program, paid parental leave, and paid sick days.

Interested in this position?

Apply directly on the company website

Apply Now

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