Mozilla logo

Senior Software Engineer - Engineering Workflow and CI - Mozilla - Remote - Global

Software Engineer

Posted: May 1, 2026
Posted 30 days ago
Last seen in crawl: May 29, 2026 (1d ago)
Estimated Expiry: June 5, 2026
Remoteness
Role & Management
Role Level:Mid-Level
Job Type
Required Languages

Job Description

Mozilla is hiring a Senior Software Engineer - Engineering Workflow and CI in Remote US, Infrastructure, Firefox, Firefox, Business Department, Firefox, Firefox, Strategy. Improve Firefox development workflows to reduce time spent testing and debugging test failures as well as more integration/automation of workflows. 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. 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. A passion for enhancing developer productivity. Commitment to our values: Welcoming differences, Being relationship-minded, Practicing responsible participation, Having grit. Bonus points for: A deep understanding of version control systems, Experience with containerization and continuous delivery/deployment, particularly with Docker, Experience with CI of large scale projects, Comfortable with data analysis. What you’ll get: 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). About Mozilla: Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online. Commitment to diversity, equity, inclusion, and belonging: Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions. We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation. We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

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 - France6
Remote - Finland6
Remote - Poland6
Remote - Belgium6
Remote - Sweden6
Remote - Netherlands6
Remote Denmark6
Remote - Spain6
Remote - Germany6
Remote Australia5
Remote - Canada5
Remote New Zealand5
Remote - UK5
Remote - US2
Current role mix at Mozilla on JobCrawls
Role typeActive listings
Software Engineer51
Product Manager2
Localization Technical Program Manager2
Social Media & Content Strategist1
Data Scientist1
Engineer1
Quantitative User Researcher1
Senior Software Engineer1
Product Director1
Application Engineer1
Security Engineer1
Machine Learning Engineer1
Head of Global and Strategic Intelligence1
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

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
  • A passion for enhancing developer productivity
1 day agoContent Complete

Help us improve JobCrawls — sign in to sync saved jobs across devices, or send feedback anytime.