Staff Software Engineer, Performance- Weights & Biases

Highlights

• Own complex performance challenges across W&B platform and infrastructure at scale.
• Make performance a shared responsibility via data, automation and collaboration.
• Help shape end-to-end platform to develop, deploy and iterate AI faster.

What they offer

• Tuition Reimbursement
• Ability to Participate in Employee Stock Purchase Program (ESPP)
• Mental Wellness Benefits through Spring Health
• Family-Forming support provided by Carrot
• Paid Parental Leave
• Flexible, full-service childcare support with Kinside
• 401(k) with a generous employer match
• Flexible PTO
• Catered lunch each day in our office and data center locations
• A casual work environment

Ideal candidate

Seasoned systems thinker who loves diagnosing scalability bottlenecks and enabling teams through data and tooling. You care about fast, reliable experiences and making performance everyone's responsibility.

Requirements

• 8+ years of experience as a software engineer, with at least 2 years focused on performance optimization, systems scalability, or observability
• Proficiency in at least one of Go, Python, or TypeScript, with strong systems-level debugging and profiling skills
• Deep understanding of distributed systems concepts (caching, queuing, concurrency, resource contention, etc.) and their performance implications
• Experience designing and implementing load testing, benchmarking, or performance regression frameworks (e.g., Locust, Gatling, k6, custom solutions)
• Familiarity with metrics and tracing systems (Prometheus, Grafana, OpenTelemetry, Datadog, etc.)