# Senior Software Engineer (Data Platform) at Third Chair

- Company: Third Chair (YC P25)
- What the company does: AI-Native IP Enforcement. Backed by Y Combinator.
- Company website: https://usethirdchair.com
- Type: Startups (AI role)
- Level: Senior
- Location: Remote
- Work setup: Remote
- Pay: $40K to $100K base salary per year (USD)
- Posted: 2026-11-05
- Apply by: 2026-12-20
- Apply: https://www.ycombinator.com/companies/third-chair/jobs/dFGsK43-senior-software-engineer-data-platform?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/third-chair-senior-software-engineer-data-platform/

## About the role

Third Chair monitors social and ad platforms for unlicensed commercial use of music on behalf of record labels and publishers. Our backend scans, ingests and processes tens of millions of posts every month and turns them into cases our customers act on. You'll work across the backend, with a particular focus on how data comes into the system. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Design, build and own production backend services and APIs end-to-end
- Improve our data ingestion layer: crawlers, third-party data providers, and the pipelines that load into our databases
- Make data collection reliable and cost-efficient, including proxy strategy, rate limits, retries, and evaluating and selecting vendors
- Work on high-throughput systems: queues, consumers, large datasets and observability
- Ship product features with the team from API to production

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/third-chair-senior-software-engineer-data-platform/