Senior Software Engineer, Infrastructure/Platform

Job summary

San Francisco, CA · On-site · Full-time Compensation: $250,000–$350,000 + competitive equity ABOUT THE COMPANY A well-funded AI research lab (Series A) that builds the data-generation, evaluation, and agentic infrastructure used to train frontier AI models, with leading foundation-model labs among its customers.

Benefits

Qualifications

• 5+ years building and owning production distributed systems or platform infrastructure
• Strong backend proficiency in Python and/or JavaScript (Node.js/Next.js)
• Cloud infrastructure experience in GCP or AWS
• Message queues and event-driven systems (Kafka, RabbitMQ, Pub/Sub)
• High-throughput data pipelines and asynchronous processing
• System scalability, performance, and reliability ownership
• Shared infrastructure, APIs, and internal platform development
• Observability, monitoring, and fault tolerance design
• Long-term architecture ownership across data pipelines, compute, and storage
• Cross-functional collaboration with engineering and research teams
• Undergraduate degree from the U.
• S., Canada, or the U.

Responsibilities

• What you'll be doing

Degrees

Industry

Company size

Contract length