Mozilla

Senior Software Engineer, Add-Ons

Mozilla
Apply
9 hours ago
Remote, WorldwideSenior
H1B sponsor

Responsibilities

  • Deliver major features and architectural improvements across automated moderation pipelines, Reviewer tools, and DevHub.
  • Build full-stack features using React/TypeScript frontends, Django backends, and MySQL.
  • Create observability systems and data-backed insights.
  • Improve platform reliability through deployments, monitoring, and incident response on Google Cloud.
  • Develop submission flows, trust and safety signals, ecosystem moderation tools, and platform modernization initiatives.
  • Resolve user- and developer-impacting bugs and incidents.
  • Collaborate with designers, product managers, QA, reviewers, developer relations, leadership, and community contributors.
  • Provide peer feedback, share knowledge, contribute to code reviews, and participate in open-source 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.
  • Ability to navigate ambiguity, explore solutions, and shape direction in new problem spaces.
  • Commitment to Mozilla’s stated values.

Benefits

  • Performance-based bonus plans for eligible employees.
  • Medical, dental, and vision coverage.
  • Retirement contributions with 100% immediate vesting.
  • Quarterly company wellness days, country-specific holidays, and a birthday day off.
  • One-time home office stipend and annual professional development budget.
  • Quarterly well-being stipend and paid parental leave.
  • Employee referral bonus program and additional benefits such as life/AD&D insurance, disability coverage, and EAP, varying by country.

Tech Stack

DjangoGoogle CloudMySQLPythonReactTypeScript

Categories

Mozilla

About Mozilla

1,001-5,000 employees

Mozilla builds open-source internet software, best known for the Firefox web browser, plus privacy tools like a VPN, password manager, and identity services. Its products are largely free and monetized through search partnerships and paid subscriptions, serving consumers, developers, and enterprises building for the web. Founded in 2005 and headquartered in San Francisco, Mozilla Corporation is wholly owned by the non-profit Mozilla Foundation.

Contact me