Job Closed

This listing is no longer active.

Mozilla logo
Mozilla

Feel good about your work again.

Senior Software Engineer, WebExtensions

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 501-1,000Since 1998H1B SponsorCompany SiteLinkedIn

Location

Germany

Posted

22 days ago

Salary

€68K - €91K / year

Seniority

Senior

Bachelor Degree4 yrs expEnglishAndroidJavaScriptOpen SourceRust

Job Description

Senior Software Engineer, WebExtensions

Mozilla

• Implement and maintain WebExtensions APIs and Addon Management, balancing power, safety, and performance, as well as user interfaces in Firefox. • Debug and fix issues affecting extensions in Firefox. • Collaborate with product managers, QA, and the AMO engineering team to deliver features end-to-end. • Contribute to Mozilla-owned extensions and system add-ons. • Participate in open source workflows: code reviews, pull requests, and discussions in Bugzilla/GitHub. • Support extension developers by helping diagnose issues and improving tooling/documentation.

Job Requirements

  • 4+ years of professional experience in software development
  • Strong proficiency in JavaScript, DOM APIs, HTML, and CSS
  • Familiarity with modern browser architecture and debugging tools
  • Experience with API design and integration
  • Ability to navigate and learn from large codebases
  • Strong communication skills and experience collaborating in distributed teams
  • Bonus points for:
  • Experience with Firefox internals, C++ or Rust
  • Familiarity with Android or GeckoView development
  • Knowledge of web security principles
  • Contributions to open source projects, especially in browser or extension development.

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)

Related Job Pages

More Full-stack Engineer Jobs

Teleport logo

Senior Full Stack Engineer

Teleport

Faster engineering. Resilient infrastructure.

Full TimeRemoteTeam 201-500Since 2015H1B Sponsor

• Build user interfaces and backend APIs for Teleport • Work on the full product lifecycle including customer engagement, design, implementation, testing, and documentation

United States
$189.0K - $278K / year
Full TimeRemoteTeam 1,001-5,000Since 1986H1B No Sponsor

• Professional from the CONTRACTOR responsible for producing the software artifacts that the Squad must deliver.

Brazil
Job Closed
GameChanger logo

Staff Software Engineer, Video Enablement

GameChanger

Helping families elevate the next generation through sports. A part of the DICK’S Sporting Goods family.

Full TimeRemoteTeam 51-200Since 2016H1B No Sponsor

• Working in your cross-functional team of mobile, web, back-end, and infrastructure engineers, you’ll design, architect, code, and support video features across the video pipeline stack, including live video ingestion, transcoding, integration, storage, and playback/consumption at scale. • Working closely with the Engineering Manager and Product Manager of the video team, you’ll help influence, communicate, and iterate on the strategic roadmap for the technology powering our video features as we continue to scale and add new capabilities. • Collaborate closely with mobile, web, machine learning/computer vision, and platform teams on multi-faceted projects across the entire video processing system to drive improved user experiences and business outcomes. • Review and provide feedback on designs and code PRs, pair on architectures, and provide guidance and hands-on help as needed. • Help to build and connect to internal SDKs, frameworks, and tooling to enable product development teams to easily integrate video into the product at various stages of the video pipeline. • Help define and build real-time monitoring and measurement systems for critical operational workflows in the video pipeline, including tools for on-call developers and customer support to manage and troubleshoot issues. Support the video workflows through an occasional (few days per month) on-call rotation with a team of other engineers. • Lead, mentor, interview, and onboard other software engineers in the video and live-streaming space. • Be able to be in an oncall rotation to support our production systems if issues arise off hours.

United States
$200K - $230K / year
Turquoise Health logo

Software Engineer II, Data Products

Turquoise Health

Eliminating the financial complexity of healthcare.

Full TimeRemoteTeam 51-200Since 2020H1B No Sponsor

• Development of Django-based websites using Python, Postgresql, etc. • Work with large data sets, including scripting imports, exports, data cleaning, analysis, etc. • Build frontend data visualization components that enable users to explore and interpret complex healthcare pricing data • Write effective, scalable code. • Test and debug programs • Improve functionality of existing systems • Implement security and data protection solutions • Assess and prioritize feature requests • Coordinate with other team members to understand user requirements and provide technical solutions

United States