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Latest Backend Engineering jobs at LangChain

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LangChain

SmithDB

LangChainSan Francisco, CA

Designs, optimizes, and scales a distributed database storage layer for AI observability using Rust. Engineers performant ingestion/query code, integrates with cloud storage, deploys on Kubernetes, and profiles for cost/speed. Requires 5+ years systems/database experience, Rust proficiency.

175k – 240k/yr
On-site5+ YOEBackend Engineering
LangChain

Senior Backend Engineer, LangSmith Deployments

LangChainSan Francisco, CA +1

Senior Backend Engineer builds scalable infrastructure for AI agent deployments, focusing on distributed queues, state persistence, fault-tolerant orchestration, and monitoring. Requires 4+ years experience with Go/Python, Kubernetes, and distributed systems.

175k – 225k/yr
On-site4+ YOEBackend Engineering
LangChain

Senior Backend Engineer, Enterprise Readiness & Identity

LangChainNew York, NY +2

Builds secure backend services for enterprise authentication, authorization, billing, and tenant management using Python/Go. Requires 5+ years experience with identity standards (OAuth2, SAML, SCIM), access control (RBAC/ABAC), and SaaS infrastructure.

175k – 225k/yr
On-site5+ YOEBackend Engineering
LangChain

Senior Backend Software Engineer, Observability & Evals Platform (LangSmith)

LangChainCambridge, MA +2

Senior Backend Engineer builds and optimizes services for LangSmith's observability and evaluation platform, handling high-volume AI app monitoring. Requires 5+ years experience, Python/Go proficiency, database expertise, and performance optimization skills.

175k – 225k/yr
On-site5+ YOEBackend Engineering
LangChain

Python OSS Engineer

LangChainCambridge, MA +2

Maintains and improves the core Python LangChain and LangGraph packages, enhances documentation, resolves community issues, and builds example AI applications. Requires 5+ years in software engineering or applied ML, strong communication, and ownership mindset.

160k – 225k/yr
On-site5+ YOEBackend Engineering