Mozilla

Mozilla

Mozilla, the maker of Firefox, is a non-profit organization ensuring an open, safe, and accessible internet for all users worldwide.

Internet Software & Services
251-1K
Founded 2005
$2M raised

Description

  • Design, build, and refine fast, accessible, and user‑friendly frontend experiences for AMO and DevHub.
  • Contribute to modernization and improvements in platform architecture and code maintainability.
  • Develop and ship features related to add‑on submission flows, trust and safety signals, and DevHub modernization.
  • Own platform reliability tasks including deployments, monitoring, and incident response on cloud infrastructure.
  • Investigate and resolve issues impacting users and developers, from bugs to larger incidents.
  • Collaborate with designers, product managers, QA, and community contributors to deliver end‑to‑end improvements.
  • Contribute in the open via pull requests, code reviews, and public discussions, and support community collaboration.

Requirements

  • 4+ years of professional experience building modern web applications.
  • Proficiency with React, JavaScript/TypeScript, HTML, and CSS, including debugging and testing skills.
  • Familiarity with Python/Django or similar backend frameworks.
  • Awareness of accessibility best practices, responsive design, and API integration.
  • Understanding of web security principles and practices.
  • Experience working in distributed teams with strong collaboration and communication skills.
  • Comfortable working in an environment that includes contributions from both staff and the open‑source community.
  • Experience with relational databases such as MySQL (bonus/preferred).
  • Exposure to cloud infrastructure (Google Cloud or similar), contributions to open source projects, familiarity with other front‑end stacks such as Jinja2, and experience mentoring or supporting junior developers (all preferred).

Benefits

  • Competitive salary range for Remote UK: £65,000–£95,000 GBP.
  • Generous performance‑based bonus plans for eligible employees.
  • Rich medical, dental, and vision coverage.
  • Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute).
  • Considerable paid parental leave.
  • Annual professional development budget and a one‑time home office stipend.
  • Quarterly all‑company wellness days plus a quarterly well‑being stipend.
  • Country‑specific holidays plus a day off for your birthday, employee referral bonus program, and other benefits (life/AD&D, disability, EAP, etc., varies by country).

Interested in this position?

Apply directly on the company website

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