Talent.com
JavaScript Engineer (Open Source Team)
JavaScript Engineer (Open Source Team)LangChain • San Francisco, CA, United States
[error_messages.no_longer_accepting]
JavaScript Engineer (Open Source Team)

JavaScript Engineer (Open Source Team)

LangChain • San Francisco, CA, United States
[job_card.30_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
[job_card.job_description]

About LangChain

At LangChain, our mission is to make intelligent agents ubiquitous. We provide the agent engineering platform and open source frameworks developers need to ship reliable agents fast.

Our open source frameworks, LangChain and LangGraph, see over 90+ million downloads per month and help developers build agents with speed and granular control. LangSmith offers observability, evaluation, and deployment for rapid iteration, enabling teams to transform LLM systems into dependable production experiences.

LangChain is trusted by millions of developers worldwide and powers AI teams at companies like Replit, Clay, Cloudflare, Harvey, Rippling, Vanta, Workday, and more.

About the role

We’re looking to add a core maintainer to the LangChain team. This person would be responsible for maintaining and improving the LangChain JavaScript package. In-person in SF preferred.

  • Improving the core abstractions and runtime of the langchain and langgraph packages
  • Improving documentation
  • Answering user questions and resolving issues
  • Use langchain to build example applications

How to be successful in this role

  • 3+ years of software engineering or applied machine learning background
  • Have a Software Engineering background
  • Have strong written and oral communication skills, with the ability to explain technical concepts clearly and concisely to both technical and non-technical stakeholders
  • Can thrive in a fast-moving environment. Views unstructured environments as an opportunity to figure out the most impactful work and define the future success of the company
  • Are ownership-minded. You excel at managing your work efficiently and effectively without the need for close supervision
  • Compensation & Benefits

  • We offer competitive compensation that includes base salary, meaningful equity, and benefits such as health and dental coverage, flexible vacation, a 401(k) plan, and life insurance. Actual compensation will vary based on role, level, and location. For team members in the EU and UK, we provide locally competitive benefits aligned with regional norms and regulations.
  • Annual salary range : $115,000-$155,000 USD, $145,000-$195,000 USD for Senior Engineer candidates
  • #J-18808-Ljbffr

    [job_alerts.create_a_job]

    JavaScript Engineer Open Source Team • San Francisco, CA, United States

    [internal_linking.similar_jobs]
    AI-Driven Web Performance Engineer (React / Next.js)

    AI-Driven Web Performance Engineer (React / Next.js)

    vercel.com • San Francisco, CA, United States
    [job_card.full_time]
    A leading web technology company in San Francisco is seeking a Web Performance Engineer to enhance the performance of web applications using React and Next. Responsibilities include architecting fro...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Full Stack Engineer

    Full Stack Engineer

    Cerebras • San Francisco, CA, United States
    [job_card.full_time]
    We are a team of ex-Google engineers who built the defensive infrastructure that guards the modern web—.Now, we are striking out on our own to solve the next existential threat : .The $5B+ security m...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Full Stack Engineer

    Full Stack Engineer

    Provable Inc. • San Francisco, CA, United States
    [job_card.full_time]
    At Provable, our mission is to redefine trust and privacy in the digital world.By creating tools that simplify the complexities of zero-knowledge technology, we empower developers to build applicat...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior GraphQL Backend Engineer for Open Source Platform

    Senior GraphQL Backend Engineer for Open Source Platform

    airbnb, Inc. • San Francisco, CA, United States
    [job_card.full_time]
    A global hospitality platform is looking for an experienced engineer to join their Viaduct team.This role, which is remote eligible, involves enhancing the Viaduct Modern project that aims to impro...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Frontend Engineer : High-Performance React / Next.js in NYC

    Frontend Engineer : High-Performance React / Next.js in NYC

    Slope • San Francisco, CA, United States
    [job_card.full_time]
    A dynamic AI startup in San Francisco is seeking a Frontend Engineer to develop high-performance React applications.You will create sleek, user-centric interfaces while collaborating closely with d...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Senior Frontend Engineer, Web Platform (Next.js)

    Senior Frontend Engineer, Web Platform (Next.js)

    Scribd • San Francisco, CA, United States
    [job_card.full_time]
    A digital content platform is seeking a Senior Software Engineer for its Web Platform team in San Francisco.This role focuses on driving modern web architecture, improving frontend systems, and col...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Solutions Engineer

    Solutions Engineer

    Stytch Inc. • San Francisco, CA, United States
    [job_card.full_time]
    Stytch is the platform for user authentication and anti-fraud tooling.We make it simple for developers to build complex authentication flows in minutes. We’re looking for an experienced Solutions En...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Forward Deployed Engineer

    Forward Deployed Engineer

    Mem0 • San Francisco, CA, United States
    [job_card.full_time]
    Be the technical owner of each customer integration.You’ll embed with customers to understand their product, map requirements, and make Mem0 work. You’ll design and build integrations, troubleshoot ...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Frontend Software Engineer - React, typescript and JavaScript

    Frontend Software Engineer - React, typescript and JavaScript

    Talent Search PRO • San Francisco, CA, United States
    [job_card.full_time]
    Scope / Responsibilities of Role : .UI Development : Building and maintaining responsive, performant frontend applications that support complex enterprise workflows. Cross-Functional Collaboration : Trans...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Full Stack TypeScript Engineer

    Full Stack TypeScript Engineer

    Promote Project • San Francisco, CA, United States
    [job_card.full_time]
    Full Stack TypeScript Engineer.Glama develops and maintains the core infrastructure of the Model Context Protocol (MCP) ecosystem, empowering developers and organizations to build, deploy, and scal...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Full Stack Software Engineer

    Full Stack Software Engineer

    Pantera Capital • San Francisco, CA, United States
    [job_card.full_time]
    Perplexity is seeking an experienced Full Stack Engineer to help revolutionize the way people search and interact online. In this role, you'll translate cutting-edge AI advances into tangible produc...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Full Stack Engineer

    Senior Full Stack Engineer

    Velocity Tech • San Francisco, CA, United States
    [job_card.full_time]
    Full Stack Engineer (AI, Real-Time Systems, Product-Led Growth).We’re an AI-first startup replacing traditional ad agencies with autonomous systems that optimize spend in real time.LLMs for natural...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    API Integrations Engineer & Developer Advocate

    API Integrations Engineer & Developer Advocate

    gamma.app • San Francisco, CA, United States
    [job_card.full_time]
    A tech company in San Francisco is seeking an experienced API Integration Engineer to build and maintain integrations with platforms like Zapier and Make. The successful candidate will collaborate w...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    JavaScript Engineer

    JavaScript Engineer

    Labelbox • San Francisco, CA, United States
    [job_card.full_time]
    JavaScript Developer - $90 / hr Remote - Alignerr.At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting‑edge AI models. Role Responsibilities (Training...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Solutions Engineer

    Solutions Engineer

    Stytch • San Francisco, CA, United States
    [job_card.full_time]
    Stytch is the platform for user authentication and anti-fraud tooling.We make it simple for developers to build complex authentication flows in minutes. Lead technical customer conversations to iden...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Fullstack Engineer

    Fullstack Engineer

    Krea.ai, Inc. • San Francisco, CA, United States
    [job_card.full_time]
    At Krea, we are building next-generation AI creative tools.We are dedicated to making AI intuitive and controllable for creatives. Our mission is to build tools that empower human creativity, not re...[show_more]
    [last_updated.last_updated_30] • [promoted]
    Senior Full-Stack Engineer : React / Next.js Platform Lead

    Senior Full-Stack Engineer : React / Next.js Platform Lead

    Medium • San Francisco, CA, United States
    [job_card.full_time]
    A technology and real estate company in San Francisco is seeking an experienced Full Stack Engineer to join their Product Engineering team. The ideal candidate will have strong skills in JavaScript,...[show_more]
    [last_updated.last_updated_variable_days] • [promoted]
    Platform Engineer

    Platform Engineer

    E2B • San Francisco, CA, United States
    [job_card.full_time]
    Series A startup with 7-figure revenue.Our customers are companies like.Perplexity, Hugging Face, Manus, or Groq.We're building the next hyperscaler for AI agents. You will be building the next clou...[show_more]
    [last_updated.last_updated_30] • [promoted]