LangChain

Technology

SeniorFullstackEngineer,Growth&Monetization

$175–240k New York, New York, United States; San Francisco, California, United States; Boston, Massachusetts, United States FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Fullstack Engineer, Growth & Monetization at LangChain. Skills: Fullstack development, Growth systems. Work across our stack. Deliver full-stack product features”

Industry & Context.

Technology

What They're Looking For.

Must Have

Extensive fullstack software development experience, React, TypeScript, and Go and/or Python, Product intuition, Track record of working on monetization, pricing, or activation features, Familiarity with usage metering, subscriptions, and internal tooling for pricing experiments, Comfortable working with REST APIs, Postgres, Redis, and modern backend infra, Startup DNA, Ability to thrive in fast-paced, zero-to-one environments, Self-directed, Ownership mindset

Nice to Have

Experience building for developers, Product-led growth platforms, Familiarity with LLMs, GenAI applications, Agentic frameworks

What You'll Do.

Work across our stack

Deliver full-stack product features

Build flexible experimentation systems

Participate in rapid growth experiments

Design and ship new onboarding features

Collaborate closely with product

and execute high-impact growth opportunities

How You'll Work.

Team & Collaboration

Cross-functional teams; Product, design, GTM, analytics teams

Full Job Description

ABOUT US At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together. LangChain is a place where your contributions can shape how this technology shows up in the real world. Today, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. We have 100M+ monthly open source downloads, 6,000+ active LangSmith customers, and 5 of the Fortune 10 use LangSmith in production (+ 35% of the Fortune 500 overall), including teams at Klarna, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, LinkedIn, Monday.com, Nvidia, and Bridgewater. About the Team The Growth & Monetization team focuses on how developers discover, adopt, and scale with LangChain’s products. We work across the full stack to improve onboarding, activation, and usage while building the systems that power billing, pricing, and monetization. This team partners closely with product, design, and go-to-market teams to understand developer behavior and translate those insights into product improvements that drive adoption and revenue. Our work directly shapes how developers and organizations move from experimentation to production on the LangChain platform. About the role LangChain is hiring a Senior Fullstack Engineer to build the foundational pr

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