Senior Software Engineer, ML Workflows - Weights & Biases

Role description

Role Overview

As a Senior Software Engineer at Weights & Biases, you will own the architecture and evolution of core systems in the Weights & Biases platform. You will partner closely with product managers, designers, and ML platform engineers, and you will talk directly to enterprise ML teams about their workflows.

What You Will Do

You will own systems end to end, from design through production reliability, working across the W&B backend, the Python SDK, and the frontend. You will dive deep into system architecture to find optimization opportunities, solve complex bugs, and make the difficult calls that balance short-term delivery against long-term platform health.

Why It Might Be a Fit

We are looking for bold thinkers and agile builders who are excited to shape the future of AI alongside us. If you’re passionate about solving complex problems at the intersection of software, hardware, and AI, there’s never been a more exciting time to join our team.

Requirements

• Bachelor’s degree or foreign equivalent in Computer Science, Computer Engineering, Data Science, Information Systems, or a closely related technical or quantitative field involving substantial coursework in Engineering.
• 6+ years of software engineering experience, including time leading significant technical initiatives or architectural changes
• Strong proficiency in Go, or in another compiled language (C, C++, C#, Rust, Java) with the ability to ramp on Go quickly
• Working proficiency in Python
• Comfort diving into complex systems you did not write, to diagnose and fix difficult bugs across service boundaries
• A track record of mentoring engineers and raising the technical bar around you
• Strong communication, including the ability to explain complex technical decisions to different audiences
• Real depth in at least one or two of the following areas: Distributed systems and infrastructure, Frontend and full-stack, Data at scale, APIs and developer surfaces, Event-driven systems

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