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Software Engineer, Engine Productivity

Roblox · San Mateo, CA, United States

onsitejunior$153,120–$153,120Posted Nov 3, 2026C++CPythonbuck2unit testingtest infrastructure

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About this role

## About Roblox Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences—created by our global community of developers and creators. At Roblox, we build the tools and platform that empower our community to bring any experience they can imagine to life. Our vision is to reimagine how people come together, from anywhere in the world and on any device. A career at Roblox means shaping the future of human interaction, solving unique technical challenges at scale, and helping create safer, more civil shared experiences for everyone. --- ## Role: Software Engineer — Engine Productivity As a Software Engineer on the Engine Productivity team, you will build and maintain the test infrastructure that keeps Roblox's engine code healthy—covering: - Code-coverage reporting - Cross-platform unit-test harnesses (including PS4/5) - The ReferenceClient - The buck2 test system This work is becoming mission-critical: as AI-assisted development increases the volume of code being generated, fast and trustworthy test signal is what keeps engine quality high. --- ## You Have - 1–3 years of experience building software systems (internships or industry experience) - Strong coding fundamentals in C/C++ (with Python or a similar language for tooling, diagnostics, and data pipelines) - Genuine interest in debugging and program internals (curiosity about what the code does beyond authored source) - Conceptual familiarity with build configurations (maintaining different configs and understanding why they diverge) - Strong data sense (ability to evaluate whether data aggregation is well-constructed and answers the right question) - A track record of driving cross-org / cross-team initiatives to completion --- ## You Will - Own and evolve the code-coverage reporting pipeline, keeping both full and patch-level coverage signal fast and trustworthy - Build additional diagnostics and reporting pipelines that surface the health of engine tests - Keep the unit-test harness healthy across platforms, including PS4/5 - Maintain the ReferenceClient and extend it into new integration-test scenarios - Ship improvements to the buck2 test system - Partner with senior and staff engineers to strengthen C++ unit testing (a growing priority as AI-assisted development produces more code that must be verified quickly and reliably) --- ## Notes - The Company may not be able to employ candidates who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time. - You may redact age, date of birth, and dates of attendance/graduation from your resume if you prefer. --- ## Pay & Work Location (HQ) **San Mateo, CA (HQ):** Starting base pay range: **$153,120 — $196,750 USD** (actual base pay depends on job-related factors). Full-time employees are also eligible for equity compensation and benefits. **Onsite schedule (office roles):** Tuesday, Wednesday, and Thursday onsite; optional presence on Monday and Friday (unless otherwise noted). --- ## Equal Opportunity Roblox provides equal employment opportunities and prohibits discrimination and harassment of any type. Reasonable accommodations are available for candidates with qualifying disabilities or religious beliefs during the recruiting process.

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