Senior Security Engineer – Add-ons Operations

This is a fully remote position, open to applicants in Germany.

📋 Description

• Implement significant features and architectural enhancements across the Add-ons stack, encompassing automated moderation workflows, Reviewer tools, and DevHub.

• Develop robust observability systems and data-driven insights.

• Offer peer feedback, disseminate knowledge, and support the growth of colleagues.

• Enhance platform reliability through deployments, monitoring, and incident management.

• Ensure the platform remains secure and trustworthy, prioritizing security and user confidence.

• Take initiative to address issues affecting users and developers, ranging from minor bugs to major incidents.

• Collaborate with designers, product managers, QA, and community contributors to implement comprehensive improvements.

• Engage in open contributions through pull requests, code reviews, and discussions.

• Work on:

• Full stack development: React/TypeScript frontends, Django backend, MySQL datastore.

• Platform reliability: deployments, monitoring, and incident response on Google Cloud.

• Feature development: submission flows, trust and safety signals, DevHub and Reviewer tools modernization.

• Ecosystem moderation: management of abuse reports, policy compliance, and ensuring ecosystem safety.

• Open collaboration: We operate transparently, with contributions from both Mozilla staff and community members.

⛳️ Requirements

• Proven experience in developing modern web applications.

• Strong background in Python/Django or comparable backend frameworks.

• Knowledge of web security principles and best practices.

• Excellent collaboration and communication skills in a remote team setting.

• Skilled at navigating uncertainty, exploring solutions, and defining direction in novel problem areas.

• Commitment to our core values:

• Embracing diversity

• Being relationship-oriented

• Practicing responsible participation

• Demonstrating resilience

• Bonus points for:

• Experience in developing automated security systems.

• Familiarity with cloud infrastructure (Google Cloud or similar).

• Contributions to open source initiatives.

• Experience with tools for policy-compliant ecosystem moderation.

🏝️ Benefits

• Competitive performance-based bonus plans for all eligible employees, fostering shared success as a unified team.

• Comprehensive medical, dental, and vision insurance.

• Generous retirement contributions with 100% immediate vesting, regardless of personal contributions.

• Quarterly wellness days for the entire company, allowing everyone to take a collective break.

• Country-specific holidays plus an additional day off for your birthday.

• One-time stipend for setting up a home office.

• Annual budget for professional development.

• Quarterly stipend dedicated to well-being.

• Substantial paid parental leave.

• Employee referral bonus program.

• Additional benefits (life/AD&D, disability, EAP, etc. - varies by location).