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# Firefox Os Integration Engineer, Crash Reporting

- **Company:** Mozilla Corporation
- **Location:** Madrid, Spain (Remote available)
- **Salary:** €42,000.0 - €62,000.0
- **Contract:** Temporary contract
- **Skills:** C++ (Programming Language), Code Review, Software Debugging, Firefox, Open Source Technology, Information Technology
- **Published:** September 6, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

You will help to maintain and evolve client-side crash and error reporting across supported operating systems, enabling other engineers to maintain a high quality of our products.What You'll DoDevelop, test, and ship fixes and new features for Firefox crash reporting, with a focus on creating a high-quality user and developer experience.Work in the open source Mozilla codebase touching a variety of technologies including C++, rust and JavaScript.Maintain and evolve code that detects and reports crashes.
In doing so you will interact with low-level OS primitives.You will analyze crash data and come up with insights about it.Grow your expertise while collaborating with a distributed team and participating in technical discussions, planning, code reviews, and problem solving.Break down problems into manageable units, seek early feedback, and document your design choices to foster learning and alignment.What You'll BringA degree in Computer Science or a related field or comparable work experience.The desire to understand the nitty-gritty details of stack walking and post-mortem analysis of a process.Proven fluency in Rust and/or C++, for two years in a professional environment.
Knowledge of compiler, debugger or OS development are bonuses.Ideally some engineering work examples of low-level programming.Strong problem-solving and debugging skills.Written and verbal communication skills with a collaborative mindset.Willingness to work effectively in a distributed team environment.Commitment to our values:Welcoming differencesBeing relationship-mindedPracticing responsible participationHaving gritWhat You'll GetGenerous 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).



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