Senior Software Engineer, Metrics Platform - Weights & Biases

About the role

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.

Responsibilities

• Lead efforts to scale our metrics and storage systems to meet the needs of our most advanced customers.
• Set technical direction, balancing near-term deliverables with long-term architectural improvements.
• Partner with product, revenue, and engineering teams across W&B to evolve our platform and ensure it continues to meet customer demands.
• Help mentor engineers and drive best practices across the organization.

Requirements

• 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).

Qualifications

• 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.

Skills

• 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.

Benefits

• The base salary range for this role is $139,000 to $204,000.
• We offer a variety of benefits to support your needs, including medical, dental, and vision insurance, company-paid 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, and a work culture focused on innovative disruption.

Pay

The starting salary will be determined based on job-related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation.

Schedule

In addition to a competitive salary, we offer a variety of benefits to support your needs, including:

• 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
• Able 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