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On-site Frontend Developer + REST APIs Jobs in Cambridge Ma

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Real-time data from 1 active listings in the last 30 days.

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$208K

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LangChain

Senior Frontend Engineer, AI Observability & Evals Platform

Onsite

Posted: Sep 4, 2026

Cambridge, MA

$175,000 - $240,000/yearFull Time

Software & SaaS

React

TypeScript

JavaScript

Babel

Vite

Webpack

+4 more

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