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Salary: USD 295,250 - 345,040 / annual
Roblox is seeking a Principal Software Engineer to join the Observability team, which owns the complete telemetry, distributed tracing, and logging stack—including instrumentation libraries, data processing pipelines, storage systems, and visualization UI. The team provides critical monitoring and observability for Roblox's platform, which serves tens of millions of daily users creating and exploring 3D immersive experiences.
In this role, you will work with business partners to define vision and roadmap, then lead end-to-end project execution. A key focus area is developing novel solutions to monitor AI/ML systems across their full lifecycle and ecosystem. You will take full ownership of existing observability infrastructure, ensuring it remains scalable, reliable, and user-friendly while adding new features and capabilities. You'll architect the next generation of Roblox's observability platform, which ingests petabytes of log and tracing data daily.
This is a high-impact individual contributor role at the principal level. You will report to the Engineering Manager for Observability and are expected to mentor junior engineers, helping them develop their technical skills and grow as software engineers. The role is hybrid, based at Roblox's San Mateo headquarters, requiring in-office presence Tuesday through Thursday.
REQUIREMENTS:
- 8+ years of professional experience building, maintaining, and evolving large-scale distributed systems
- Demonstrated understanding of components required to build modern, large-scale infrastructure
- Proven ownership of end-to-end availability and performance of critical services, with ability to reduce operational overhead
- Strong learning mindset and ability to adopt new technologies as the landscape evolves; open-source contributions are a plus
- Passion for mentoring junior engineers with ability to earn their respect and help them grow
- BS in Computer Science or related field (Master's degree or higher is a plus)
