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Senior Software Engineer - Engineering Workflow and CI - Mozilla

Software Engineer

Posted: July 11, 2026
Posted 3 days ago
Last seen in crawl: July 11, 2026 (4d ago)
Estimated Expiry: August 15, 2026
Role & Management
Role Level:Mid-Level
Job Type
Required Languages
Specialisations

Job Description

Mozilla is hiring a Senior Software Engineer - Engineering Workflow and CI in Remote Canada, working with the Firefox team. The role involves improving development workflows, mentoring team members, collaborating across teams, and analyzing data to optimize processes. Candidates should have strong Python skills, front-end experience, and familiarity with CI/CD systems. Benefits include bonuses, health coverage, retirement contributions, paid leave, and professional development support.

Company Information

Current open roles at Mozilla on JobCrawls
LocationActive listings
Remote Finland46
Remote Germany44
Remote Netherlands43
Remote UK42
Remote France41
Remote Belgium41
Remote Spain40
Remote Sweden38
Remote Poland35
Remote Canada32
Remote US19
Remote - Global15
Remote - Spain6
Remote - Netherlands6
Remote - Poland6
Remote - Belgium6
Remote - Finland6
Remote - Germany6
Remote Denmark6
Remote - France6
Remote - Sweden6
Remote Australia5
Remote - UK5
Remote New Zealand5
Remote - Canada5
Remote - US2
Current role mix at Mozilla on JobCrawls
Role typeActive listings
Software Engineer51
Localization Technical Program Manager2
Product Manager2
Quantitative User Researcher1
Senior Software Engineer1
Head of Global and Strategic Intelligence1
Engineer1
Social Media & Content Strategist1
Machine Learning Engineer1
Product Director1
Security Engineer1
Data Scientist1
Application Engineer1
Fundraising Strategist1
Grassroots Engagement Director1
Current role-level mix at Mozilla on JobCrawls
Role levelActive listings
Mid-Level17
Senior10
Mid-level1

Mozilla appears in 512 indexed job postings in JobCrawls' Finland dataset since October 2023. In that historical index, the strongest location signals for this employer are Remote Finland, Remote Germany, and Remote Netherlands.

Data shown is based on historical job postings from our database.

Job Details

Responsibilities

  • Improve Firefox development workflows to reduce time spent testing and debugging test failures
  • Work with a geographically-distributed development team
  • Mentor other team members and be mentored by more senior team members
  • Collaborate with other teams by providing code review and technical direction
  • Look at data, make dashboards, identify trends in Firefox development workflow

Requirements

  • Proven Python skills, including building services
  • Front-end development experience, including JavaScript proficiency
  • Experience with Python frameworks (e.g., FastAPI, Flask, Django), Cloud Services (e.g., GCP, AWS) and REST
  • Solid understanding of databases and SQL
  • Experience with CI/CD systems (e.g., GitHub Actions, CircleCI) and test harnesses
  • Comfortable working cross-platform, familiar with at least 2 of: Windows, Linux, Mac, Android

Skills & Technologies

PythonJavaScriptFastAPIFlaskDjangoGCPAWSRESTSQLCI/CD

Education Level

None required
4 days agoContent Complete

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