Senior Software Engineer, Weights & Biases

• 4+ years of experience in software engineering, with a focus on data platforms and/or distributed systems
• Strong software engineering fundamentals and proficiency in at least one modern programming language (Python, Go, TypeScript, etc.)
• Experience designing and scaling customer-facing APIs in production, ideally leveraging systems such as MySQL, Postgres, Clickhouse, Bigtable, Pub/Sub, or Kafka
• Hands-on experience with Kubernetes, Terraform, and at least one major cloud provider (GCP, AWS, or Azure)
• You love building scalable systems that handle massive amounts of data efficiently
• You’re curious about how ML teams use metrics and analytics to accelerate research
• You’re an expert in distributed systems and API design

Desirable

• The Metrics and Storage team at Weights & Biases builds the infrastructure that powers our flagship Models product, supporting experiment tracking and analytics for more than 2,500 leading AI and ML teams worldwide
• We focus on scaling ingestion, storage, and query systems to handle petabytes of data while ensuring performance, reliability, and cost-effectiveness for our customers
• As a Senior Engineer on the Metrics and Storage team, you’ll lead efforts to scale our systems to meet the demands of our most advanced customers
• You’ll own critical technical decisions around data ingestion and querying, balancing short-term deliverables with long-term architectural evolution
• This role partners closely with product, revenue, and engineering teams across W&B to shape the future of our platform, ensuring that customers can rely on our infrastructure for training insights and large-scale analytics
• You’ll also mentor engineers and contribute to the overall growth and strength of the team