Senior Software Engineer I, Applications Engineering

Job overview

The Senior Software Engineer I, Applications Engineering role is an onsite, full-time position in Bellevue, WA. The base salary range is $153,000–$204,000 per year. The engineer supports CoreWeave’s Applications Engineering team within Data Infrastructure, building software used to plan and operate the company’s infrastructure business. The role builds and operates full-stack applications and features for the UNION data platform, owning product areas from user discovery through production operation. The work includes AI-facing interfaces and agents, backend services, data models, and evaluation of AI output, in collaboration with engineering, finance, supply chain, and data center operations.

What you'll do

• Build full-stack applications and UNION features
• own software from interface through data model and production operation
• develop TypeScript and Python services
• work with React, Next.js, Kubernetes, and Postgres
• build AI-facing interfaces and agents and evaluate their output
• collaborate with internal users to define and deliver software
• operate services and support production reliability.

What we're looking for

Skills & competencies

senior software engineer i

applications engineering

bellevue wa

coreweave

$153k–$204k per year

full-stack development

python

typescript

react

next.js

kubernetes

ai applications

data infrastructure

Work arrangement

• Weekend coverage required

Benefits & perks

• Medical, dental, and vision insurance fully paid by the company
• company-paid life insurance
• supplemental life and disability insurance
• FSA and HSA
• tuition reimbursement
• employee stock purchase program
• mental wellness and family-forming support
• paid parental leave
• childcare support
• 401(k) match
• flexible PTO
• catered lunch.

Why this role

The role combines internal product ownership with AI-facing application development and software supporting infrastructure planning and operations.

About the employer

CoreWeave is hiring for this role. Industry: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Sector: 51.