Senior Software Engineer I

Highlights

• Build UNION data platform letting anyone query the lakehouse in plain language.
• Ship apps guiding which data centers get hardware as capacity scales fast.
• Own products end-to-end with operations teams shaping unwritten processes.

What they offer

• 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

Ideal candidate

A product-minded builder with 4+ years owning full-stack services in production who thrives sitting with operators to define ambiguous problems and cares about reliable AI-powered internal tools.

Requirements

• 4+ years of professional software engineering experience
• Strong Python and TypeScript, with real experience in React, Next.js, or a comparable modern framework
• Experience designing and running HTTP APIs that other services depend on, including timeouts, retries, and keeping writes correct when a call fails partway through
• Strong SQL and relational data modeling, including schemas you had to change after they were already live
• Experience shipping LLM-backed features to production, including how you measured whether their output was correct
• Hands-on experience with containers and deployment tooling such as Docker, Helm, and Kubernetes, and with operating your own services
• Experience wiring applications up to data platforms and analytical databases such as Spark, Kafka, StarRocks, or Snowflake
• CI/CD, automated testing, observability, and on-call for the software you own
• Experience working directly with non-engineers on problems nobody had specified yet, and shipping software they adopted