Backend Engineer jobs in United States
cer-icon
Apply on Employer Site
company-logo

Channel3 · 1 day ago

Backend Engineer

Channel3 is building a database of every product on the internet, leveraging AI to structure messy product data. The Backend Engineer will write code to understand products, build a world-class search system, and engineer for reliability and cost efficiency.

Artificial Intelligence (AI)DatabaseE-CommerceInternetShopping
badNo H1Bnote

Responsibilities

Write code to understand 1B products. We stitch together the latest language, embedding, image, and segmentation models to build a true understanding of each and every product
Build world-class search. Developers should be able to find “outdoor grills from Weber, less than $1000, with 4 burners,” “running sneakers under 300g, size 12,” or “this couch [image] but in green” — in under 2 seconds
Engineer for reliability and cost. Create evals to measure drift, and guardrails to prevent regressions and hallucinations. Be clever and scrappy to reduce database cost and token usage everywhere we can

Qualification

Required

US citizen/visa only
Any experience (new grads ok)

Benefits

We provide dinner Monday-Thursday, plus any snacks you want (we’re across the street from a Trader Joe’s).

Company

Channel3

twittertwittertwitter
company-logo
Channel3 provides a universal, API-driven product catalog that enables developers to search, deduplicate, and monetize product data.

Funding

Current Stage
Early Stage
Total Funding
$6.5M
Key Investors
MatrixY Combinator
2025-12-10Seed· $6M
2025-09-09Pre Seed· $0.5M
Company data provided by crunchbase