# Senior Fullstack Engineer, Product at Blackbird.xyz

- Company: Blackbird.xyz
- What the company does: Be a regular everywhere. Get the app that lets you earn status, perks, and points at world-class restaurants. Backed by a16z and USV.
- Company website: https://www.blackbird.xyz
- Type: Startups
- Level: Senior
- Location: New York
- Work setup: On-site
- Pay: $180K to $220K base salary per year (USD)
- Posted: 2026-02-12
- Apply by: 2026-10-08
- Apply: https://jobs.ashbyhq.com/blackbird-labs-inc/7714b6bf-5633-43bc-8818-a9af6c5dfe10
- Page: https://www.1752.vc/careers/jobs/blackbird-xyz-senior-fullstack-engineer-product/

## About the role

Think about how people dine: where they go, how often they come back, whose taste they trust, which rooms they have a relationship with. We're building Blackbird to answer those questions the way a well-connected friend would. We need a product-minded fullstack engineer to own it.

## What they're looking for

- 5+ years shipping production software, owning features end to end
- Able to debug across the stack: a streaming client, application code, SQL, and the boundaries between services
- Real depth with LLM application development: tool calling, context management, retrieval, streaming
- Strong React and TypeScript, fluency in Python, and willingness to work in Kotlin/Spring when the answer lives on the platform side
- Solid Postgres and data modeling instincts, including a feel for what makes retrieval good or bad
- Taste in evaluation: you know the difference between fixing a failing eval and gaming one

Tags: Engineering