Senior Software Engineer, Metrics Platform - Weights & Biases

About The Role

As a Software Engineer, you'll lead efforts to scale our metrics and storage systems to meet the needs of our most advanced customers. Day to day, you'll set technical direction, balancing near-term deliverables with long-term architectural improvements. You'll partner with product, revenue, and engineering teams across W&B to evolve our platform and ensure it continues to meet customer demands. You'll also help mentor engineers and drive best practices across the organization.

What You'll Do

The Metrics Platform team builds and scales the infrastructure behind Weights & Biases' flagship Models product, which powers experiment tracking and analytics for over 2,500 of the world's leading AI and ML teams. The team focuses on data ingestion, storage, and querying at a petabyte scale, optimizing for performance, reliability, and cost-effectiveness.

Who You Are

• 4+ years of experience in software engineering, with a focus on backend performance 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, Clickhouse, Bigtable, Pub/Sub, or Kafka
• Hands-on experience with Kubernetes, Terraform, and at least one major cloud provider (GCP, AWS, or Azure)

Preferred Experience

• Mentoring junior engineers and collaborating with other business functions
• Background in large-scale metrics, logging, or analytics systems
• Familiarity with designing cost-optimized storage and query infrastructure

Qualities We're Looking For

• 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

Pay

The base salary range for this role is $139,000 to $204,000. The starting salary will be determined based on job-related knowledge, skills, experience, and market location. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility).

Benefits

• Medical, dental, and vision insurance - 100% paid for by CoreWeave
• Company-paid Life Insurance
• Voluntary supplemental life insurance
• Short and long-term disability insurance
• Flexible Spending Account
• Health Savings Account
• 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
• A work culture focused on innovative disruption