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LangChain

Senior Fullstack Engineer, Enterprise Readiness & Identity

LangChain, New York, New York, us, 10261

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Overview

LangChain

is hiring a Fullstack Engineer focused on Enterprise Readiness & Identity to build features that make our platform secure, compliant, and scalable for enterprise customers. This is a high-impact role on a newly formed team at the intersection of authentication, authorization, security, compliance, and admin tooling. You’ll collaborate closely with product, infra, GTM, and our largest enterprise users to shape the foundation of our enterprise offerings. As a Fullstack Engineer on this team, you’ll lead development of scalable flows for enterprise authentication and access control and contribute to the systems and tooling that make LangChain enterprise-ready by default. This role will be in person 5 days/week in New York City, San Francisco, or Boston.

What you will do

Build key enterprise features across our stack (TypeScript, Python, Go)

Develop and evolve our billing infrastructure. Build the core system that powers invoicing and usage-based charges and enables flexible pricing model changes.

Design and implement robust authentication and user provisioning flows (SAML, SCIM, OAuth2)

Build role-based access control (RBAC) and permissions systems for enterprise teams

Develop admin dashboards and org-level settings for audit logging, usage limits, and billing

Implement granular metering and usage tracking to support LangChain’s largest customers

Collaborate with internal teams on SOC2, GDPR, and other enterprise compliance needs

Optimize enterprise onboarding and tenant provisioning for scale and ease of use

Collaborate cross-functionally with product engineering, design, infra, security, GTM, and product

Write clean, scalable, and well-documented code

Work with enterprise customers to understand and translate their needs into secure, scalable platform capabilities

How to be successful in the role

Extensive fullstack software development experience using React, TypeScript, and Go and/or Python

Deep knowledge of authentication and identity (OAuth2, SAML, JWTs, etc.)

Experience building access control systems (RBAC, ABAC, etc.)

Familiarity with APIs, Postgres, Redis, and modern backend infra

Comfortable navigating security, compliance, and enterprise-scale architecture

Startup DNA with the ability to thrive in fast-paced unstructured environments

Self directed with an ownership mindset

Experience building for enterprise customers and/or compliance-heavy environments

Background in security, observability, or developer platforms would be a bonus

Familiarity with LLMs, GenAI applications, or agentic frameworks would be a bonus

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Engineering and Information Technology

Industries: Technology, Information and Internet

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