Staff Software Engineer – Firefox Enterprise

Mozilla

. Improve the ease of use and security of Firefox in large deployments by developing better administration and monitoring tools.

Posted 11/3/2026full-timeRemote • GermanyLead💰 €81,000 - €108,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in software development with a strong foundation in Rust and JavaScript, alongside a proven ability to lead technical initiatives and collaborate effectively within distributed teams. Emphasizes a commitment to best practices in service development and a proactive approach to problem-solving and prioritization.

Highest-signal resume keywords

Rust ProficiencyJavaScript ProficiencyDatabase Systems UnderstandingTechnical LeadershipDistributed Team Collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentService DevelopmentModularityAbstractionData StructuresAlgorithmsFront-End DevelopmentKubernetesOIDCOAuth2

Soft Skills

Excellent CommunicationCuriosityPragmatismRelationship-MindedGrit

Industry Keywords

Open Source ContributionRemote Services IntegrationAdministration ToolsMonitoring ToolsProduct Roadmap

Tech Stack

Tools & technologies

JavaScriptKubernetesOpen SourceRustSQL

About the role

Key responsibilities & impact

Improve the ease of use and security of Firefox in large deployments by developing better administration and monitoring tools.
Improve Firefox functionality by better integration with remote services.
Assess what work supports the team and product roadmap and make insightful recommendations in regards to priorities.
Work with a geographically-distributed development team.
Provide technical leadership, build cross-team relationships, and help the team deliver on its objectives.

Requirements

What you’ll need

8+ years of professional experience in software development.
Experience developing robust services according to modern best practices.
Strong software engineering fundamentals: modularity, abstraction, data structures, and algorithms.
Proficiency in Rust and JavaScript.
Proven understanding of database systems (SQL and/or non-relational databases).
You are an excellent communicator and have participated effectively on a distributed team.
You’re pragmatic about how to move things forward in specific timeframes including trade-offs and safeguards when implementing new functionality.
Curiosity and interest in learning new things.
Commitment to our values: Welcoming differences; Being relationship-minded; Practicing responsible participation; Having grit.
Bonus Points: Front-end development experience; Experience with kubernetes; Experience with OIDC/OAuth2; Previously successfully contributed to an open source project.

Benefits

Comp & perks

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)