Senior Backend Engineer, AI Observability & Evals

present of AI; New York (NY); On-site; USD 150,000 - 210,000; Full time

Job summary

LangChain seeks a Senior Backend Software Engineer for its AI Observability & Evals Platform in NYC. You’ll build and operate backend services and APIs powering tracing, monitoring, and evaluating AI apps at scale.

The role rewards strong API design, reliability practices, and cross‑team collaboration to keep production signals accurate and available. You’ll gain hands‑on experience with observability data models, agent signals, and evaluation workflows while working with product and frontend

Qualifications

• Several years of backend work on complex, high‑volume systems.
• Solid API and data service design.
• Hands-on tuning of databases and cloud infrastructure.
• Testing, monitoring, and root‑cause fixes are emphasized.
• Clear cross‑team communication and collaboration.

Responsibilities

• Build and run backend services and APIs behind an observability & evals platform.
• Prioritize reliability with testing, monitoring, and RCA driven fixes.
• Partner with product and full‑stack teams to scale the platform.

Skills

Backend development

API design

Distributed systems

Cross-team collaboration

Tools

Python

Go

Cloud infrastructure

Database tuning

Job description

LangChain seeks a Senior Backend Software Engineer for its AI Observability & Evals Platform in NYC. You’ll build and operate backend services and APIs powering tracing, monitoring, and evaluating AI apps at scale.

The role rewards strong API design, reliability practices, and cross‑team collaboration to keep production signals accurate and available. You’ll gain hands‑on experience with observability data models, agent signals, and evaluation workflows while working with product and frontend