Senior Software Engineer, Operations (Remote)

JobFluent; United States; Remote; USD 140,000 - 180,000; Full time

Benefits offered by this job

Bonus program

Medical/Dental/Vision

Retirement contributions

Wellness days

Holidays + birthday

Home office stipend

Well-being stipend

Parental leave

Referral bonus

Other life/AD&D benefits

Job summary

Mozilla is seeking a Senior Software Engineer, Add-Ons, to help accelerate the Add-ons ecosystem and reviewer operations. You will work with engineers, reviewers, developer relations, and leadership to modernize the platform, deliver end-to-end features, and reach millions of users worldwide.

You will contribute to open collaboration, security, and ecosystem moderation while growing a resilient, scalable platform in a distributed team environment.

Qualifications

• 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 in a distributed team environment.
• Adept at navigating ambiguity, exploring solutions, and shaping direction in new problem spaces.
• Exposure to cloud infrastructure (Google Cloud or similar).
• Contributions to open source projects.
• Experience with policy-compliant ecosystem moderation tools.

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.
• 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: abuse report management, policy compliance, and ecosystem safety.
• Open collaboration: We work in the open, with contributions from Mozilla staff and community members.

Skills

Web apps

Python/Django

Web security

Distributed teamwork

Problem solving

Mozilla values

Open source

Cloud (GCP)

Moderation tools

Job description

Mozilla is seeking a Senior Software Engineer, Add-Ons, to help accelerate the Add-ons ecosystem and reviewer operations. You will work with engineers, reviewers, developer relations, and leadership to modernize the platform, deliver end-to-end features, and reach millions of users worldwide.

You will contribute to open collaboration, security, and ecosystem moderation while growing a resilient, scalable platform in a distributed team environment.