
Senior Software Engineer
Mozilla
full-time
Posted on:
Location Type: Remote
Location: United States
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Salary
💰 $137,000 - $182,000 per year
Job Level
Tech Stack
About the role
- Lead backend development in Node.js and TypeScript, building and maintaining server-side logic within a Next.js full-stack architecture
- Design, implement, and maintain integrations with external data sources such as Have I Been Pwned (HIBP) and other breach intelligence providers, with a focus on data privacy and security
- Build and maintain event-driven systems using Google Cloud Pub/Sub, and own cloud infrastructure on GCP (GKE) and AWS (S3, SES)
- Own and evolve the data layer, including PostgreSQL schema design and query optimization using Knex, and Redis caching strategies
- Work closely with our SRE team to maintain and improve production environments, including monitoring and alerting with OpenTelemetry, Sentry, Prometheus, and Grafana
- Triage and resolve production issues, partnering with SRE and support teams to investigate incidents, address bug reports, and keep the application running reliably
- Periodically rotate into a Base Load Engineer (BLE) role, handling releases, dependency updates, and incoming work requests from customer support and other stakeholders
- Partner with and support the frontend team in their work with React, TypeScript, Next.js, and SCSS, ensuring backend systems, APIs, and data contracts meet their needs
- Partner with cross-functional teams to align on project goals, ensure seamless frontend-backend integration, and contribute to API design and evaluations
- Participate in code reviews to maintain high standards of code quality and system reliability
- Participate in security and privacy reviews, ensuring all data protection measures meet compliance standards
Requirements
- 7+ years of experience in software development with a strong focus on backend technologies
- Deep expertise in Node.js and TypeScript, with experience building and leading backend engineering projects
- Proficiency with PostgreSQL and SQL query optimization; experience with query builders such as Knex is a plus
- Experience deploying and operating applications on GCP (Cloud Run, Pub/Sub, Cloud Logging) with a solid understanding of DevOps and SRE collaboration
- Experience with AWS (S3) or similar cloud storage services
- Hands-on experience with observability tooling including OpenTelemetry, Sentry, Prometheus, and Grafana
- Familiarity with Redis for caching and session management
- Experience with Next.js, React, and SCSS, with a willingness to contribute to full-stack development when needed
- Experience with modern testing practices including unit testing (Vitest), end-to-end testing (Playwright), and component testing
- Strong communication skills and ability to collaborate across engineering, product, and operations teams
- Experience mentoring junior engineers and driving technical excellence in code quality, testing, and process improvements
Benefits
- Generous performance-based bonus plans to all eligible employees - we share in our success as one team
- Rich medical, dental, and vision coverage
- Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
- Quarterly all-company wellness days where everyone takes a pause together
- Country specific holidays plus a day off for your birthday
- One-time home office stipend
- Annual professional development budget
- Quarterly well-being stipend
- Considerable paid parental leave
- Employee referral bonus program
- Other benefits (life/AD&D, disability, EAP, etc. - varies by country)
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
Node.jsTypeScriptPostgreSQLSQL query optimizationGoogle Cloud PlatformAWSRedisReactNext.jsSCSS
Soft Skills
strong communication skillscollaborationmentoringtechnical excellencecode qualityprocess improvements