Mozilla

Backend Software Engineer, Ads

Mozilla

full-time

Posted on:

Location Type: Remote

Location: United States

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Tech Stack

GoPythonReactRust

About the role

  • Build and maintain backend services that support advertising functionality across Mozilla products
  • Implement APIs, data flows, and integrations between internal systems and external partners used in Ads workflows
  • Contribute to systems that prioritize correctness, reliability, and scalability in a privacy-conscious environment
  • Work with product managers, engineers, and cross-functional partners to deliver well-scoped features and improvements
  • Participate in code reviews, design discussions, and on-call or operational responsibilities as part of the team
  • Incrementally take on more complex problems as you develop familiarity with Ads systems and domain concepts

Requirements

  • 3+ years of professional software engineering experience
  • Experience building backend systems using languages such as Go, Python, or Rust
  • Familiarity with APIs, service-oriented architectures, and system integrations
  • Exposure to data pipelines, analytics systems, or ad-tech concepts is a plus, but not required
  • Some experience working with modern frontend frameworks (such as React) is a bonus
  • Ability to work effectively in a distributed, asynchronous environment
  • Clear written and verbal communication skills
  • Comfort working on well-defined problems while navigating some ambiguity with support from teammates
  • 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 & Tools
backend developmentAPI developmentdata flowssystem integrationsGoPythonRustservice-oriented architecturedata pipelinesad-tech
Soft Skills
clear communicationcollaborationproblem-solvingadaptabilityrelationship-buildingresponsible participationgritnavigating ambiguityteamworkasynchronous work