2 hours ago
Remote, BelgiumSenior
Responsibilities
- Deliver features and architectural improvements for automated moderation pipelines, Reviewer tools, DevHub, submission flows, and trust-and-safety systems.
- Build and maintain production applications and asynchronous processing systems using Python/Django, MySQL, React, and TypeScript.
- Create internal developer platforms and tools that enable safe, consistent software development, deployment, observability, and operations.
- Improve CI/CD pipelines using declarative, pipeline-as-code approaches and support integration testing and staged or progressive delivery.
- Establish engineering standards for code review, production readiness, runbooks, incident response, on-call practices, testing, recoverability, and safe deployment.
- Develop observability systems covering metrics, logging, tracing, service-level objectives, and actionable alerting.
- Debug complex production issues across frontend, backend, asynchronous jobs, data stores, and infrastructure, turning findings into lasting improvements.
- Write technical documentation including design notes, Architecture Decision Records, runbooks, and incident reports.
- Collaborate with engineers, reviewers, developer support, product managers, designers, QA, stakeholders, and open-source contributors.
- Mentor peers, share knowledge, participate in team processes, and contribute through pull requests, code reviews, and technical discussions.
Requirements
- Strong hands-on experience building and maintaining production applications with Python/Django.
- Experience operating and improving production software systems where reliability and safe delivery matter.
- Strong experience with CI/CD systems and declarative infrastructure and pipeline practices.
- Experience designing or improving automated testing and deployment workflows, including integration testing and staged or progressive delivery.
- Strong understanding of observability, including metrics, logging, tracing, service-level objectives, and actionable alerting.
- Experience building or maintaining internal tools or platforms used by engineering teams.
- Experience improving engineering practices such as code review standards, operational readiness, runbooks, incident response, on-call expectations, and definitions of done.
- Ability to understand unfamiliar codebases and trace application behavior across frontend, backend, asynchronous jobs, data stores, and infrastructure.
- Experience debugging complex production issues and applying the findings to system improvements.
- Strong technical writing, collaboration, communication, and knowledge-sharing skills in a distributed team environment.
- Bonus: experience with Google Cloud, Kubernetes, infrastructure-as-code, policy-as-code, SLOs, error budgets, chaos engineering, disaster recovery testing, production readiness reviews, trust and safety, automated moderation, abuse prevention, or open-source contributions.
- Commitment to Mozilla's values of welcoming differences, being relationship-minded, practicing responsible participation, and having grit.
Benefits
- Performance-based bonus plans for eligible employees.
- Medical, dental, and vision coverage.
- Retirement contributions with immediate vesting.
- Quarterly company-wide wellness days, country-specific holidays, and a birthday day off.
- One-time home office stipend and annual professional development budget.
- Quarterly well-being stipend and paid parental leave.
- Employee referral bonus program and additional benefits such as life/AD&D, disability, and EAP coverage, varying by country.
- Remote role in Belgium, as indicated by the remote Belgium hiring range.
Tech Stack
Categories
About Mozilla
Mozilla builds open-source internet software, best known for the Firefox web browser, plus privacy tools like a VPN, password manager, and identity services. Its products are largely free and monetized through search partnerships and paid subscriptions, serving consumers, developers, and enterprises building for the web. Founded in 2005 and headquartered in San Francisco, Mozilla Corporation is wholly owned by the non-profit Mozilla Foundation.