Senior Software Engineer focused on improving the Add-ons ecosystem at Mozilla. Collaborating with cross-functional teams to enhance the reviewed and operations experience for developers.
Responsibilities
Deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines, Reviewer tools, and DevHub.
Create robust observability systems and data-backed insights.
Provide peer feedback, share knowledge and help others grow.
Improve platform reliability through deployments, monitoring, and incident response.
Help keep the platform safe and trustworthy, with attention to security and user trust.
Step in to resolve issues impacting users and developers, from small bugs to larger incidents.
Collaborate with designers, product managers, QA, and community contributors to deliver end-to-end improvements.
Contribute in the open through pull requests, code reviews, and discussions.
Requirements
Experience building modern web applications.
Strong experience with Python/Django or similar backend frameworks.
Understanding of web security principles and practices.
Strong collaboration and communication skills in a distributed team environment.
Adept at navigating ambiguity, exploring solutions, and shaping direction in new problem spaces.
Commitment to our values:
Welcoming differences
Being relationship-minded
Practicing responsible participation
Having grit
Bonus points for:
Experience in building automated security systems.
Exposure to cloud infrastructure (Google Cloud or similar).
Contributions to open source projects.
Experience with policy-compliant ecosystem moderation tools.
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)
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