Mozilla

Staff Software Engineer – Add-on Operations

Mozilla

full-time

Posted on:

Location Type: Remote

Location: Canada

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Job Level

Lead

Tech Stack

CloudDjangoMySQLPythonReactTypeScript

About the role

  • Plan and deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines, Reviewer tools, and DevHub.
  • Partner with Engineering management to set Operations Engineering standards (SLOs, incident management, observability baselines).
  • Mentor engineers, sharing knowledge and delegating responsibilities to 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 leading and 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.
  • Ability to work across teams and align stakeholders on engineering vision.
  • Experience mentoring and supporting junior engineers.
  • Commitment to our values:
  • Welcoming differences
  • Being relationship-minded
  • Practicing responsible participation
  • Having grit
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
PythonDjangoweb applicationsautomated moderation pipelinesincident managementobservabilitydeploymentsmonitoringincident responsecode reviews
Soft Skills
mentoringcollaborationcommunicationnavigating ambiguityproblem solvingstakeholder alignmentrelationship-mindedresponsible participationgrit