Senior Software Engineer II - ML Platform Architect

Coreweave; Sunnyvale (CA); On-site; USD 182,000 - 242,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with generous employer match

Flexible PTO

Equity awards

Stock Purchase Program (ESPP)

Tuition Reimbursement

Maternity/Paternity leave

Catered lunch and casual work env

Flexible, full-service childcare

Career growth opportunities

Job summary

CoreWeave is seeking a Senior Software Engineer to own the architecture and evolution of core systems in the Weights & Biases platform. You will work across the backend, Python SDK, and frontend to enable customers to move models and data through W&B at scale.

You will partner with product and design, mentor engineers, and help shape infrastructure that serves enterprise ML teams. California-based, on-site role with a strong benefits package.

Qualifications

• Bachelor's degree or foreign equivalent in Computer Science, Computer Engineering, Data Science, Information Systems, or a closely related technical field.
• 8+ years of software engineering experience, including time leading significant technical initiatives or architectural changes.
• Strong proficiency in Go, or in another compiled language 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.

Responsibilities

• Own the architecture and evolution of a core platform area, designing systems that scale to billions of artifacts and high-volume event and job throughput.
• 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.
• Work across the stack as the problem requires, from Go backend services and GraphQL APIs to the Python SDK and the TypeScript frontend.
• Lead migrations and re-architecture of systems carrying live customer traffic, keeping the experience seamless for the customers who depend on them.
• Identify and refactor technical debt, improving maintainability and developer productivity.
• Establish engineering patterns and best practices that hold up as the platform grows.
• Collaborate with product and design to turn complex user requirements into clean technical implementations.
• Work directly with customers to understand their ML workflow challenges, and bring that feedback into the product cycle.
• Mentor engineers and raise the technical bar across the team.

Skills

Go

Python

GraphQL

TypeScript

React

Kubernetes

Containers

APIs

Mentoring

Education

Bachelor’s degree in Computer Science or related field

Tools

GraphQL

Python SDK

Job description

CoreWeave is seeking a Senior Software Engineer to own the architecture and evolution of core systems in the Weights & Biases platform. You will work across the backend, Python SDK, and frontend to enable customers to move models and data through W&B at scale.

You will partner with product and design, mentor engineers, and help shape infrastructure that serves enterprise ML teams. California-based, on-site role with a strong benefits package.