Mozilla

Senior Software Engineer

Mozilla

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇫🇮 Finland

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Salary

💰 €44,000 - €64,000 per year

Job Level

Senior

Tech Stack

DjangoJavaScriptPythonReactTypeScript

About the role

  • Design, build, and refine frontend experiences in AMO and DevHub, ensuring they are fast, accessible, and user-friendly
  • Contribute to modernization and improvements in architecture and maintainability
  • 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

  • 4+ years of professional experience building modern web applications
  • Proficiency in React, JavaScript/TypeScript, HTML, and CSS, with strong debugging and testing skills
  • Familiarity with Python/Django or similar backend frameworks
  • Understanding of web security principles and practices
  • Awareness of accessibility, responsive design, and API integration
  • Strong collaboration and communication skills in a distributed team environment
  • Comfortable working in an environment that includes contributions from both staff and the open-source community
  • 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
ReactJavaScriptTypeScriptHTMLCSSPythonDjangoweb securitydebuggingtesting
Soft skills
collaborationcommunicationproblem-solvingattention to detailuser trustresponsible participationgritrelationship-mindedadaptabilityopen-source contribution