LangChainSenior Product Engineer - Growth & Monetization
LangChain is hiring a Senior Product Engineer - Growth & Monetization in New York, United States. It pays $165k-$250k a year and Level rates it ; you can apply on LangChain.
Level's read on this job
- Works on AI ●●●○ is how Level rates this role: the daily work is on AI products, without building the model.
- The posting mentions LangGraph, Clay and Langsmith among its tools and skills.
- Level classes it as a senior role.
- LangChain has 103 other open roles on Level.
AI in this role
Build foundational product features and integrations for AI agent development platforms and growth systems.
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 product features and integrations that power user acquisition, rapid experimentation, and self-serve expansion. This is a high-impact 0→1 role on a newly formed team responsible for building growth systems from the ground up. You’ll work closely with product, design, GTM, and analytics to streamline activation, optimize packaging, and deliver a seamless growth story for developers and enterprise customers alike. This role will be in person 5 days/week in New York City.
What you'll do
Lead projects across our stack (React, TypeScript) while working with backend APIs (Python, Go)
Build polished, responsive user interfaces for onboarding, self-serve upgrades, and usage dashboards that delight users
Design and execute rapid, client-side UI experiments (A/B tests, feature flags) targeting key activation and conversion metrics
Partner with Product and Design to translate complex user journeys into simple, intuitive web experiences
Implement clean client-side event tracking and behavioral analytics to understand developer journeys
Build growth levers, including smart upgrade triggers, usage notifications and personalized, contextual experiences
What you'll bring
Strong mastery of modern frontend development (React, TypeScript, CSS/Tailwind)
Solid fullstack fundamentals (working with REST/GraphQL APIs, Python/Go backends, database querying and caching)
Exceptional UX intuition and a sharp eye for visual polish, micro-interactions, and developer-focused user journeys
Experience building or optimizing frontend growth engines (e.g., onboarding wizards, conversion funnels, checkout flows, A/B testing frameworks, usage metering, subscriptions)
Startup DNA with a desire to ship fast, iterate based on user data, self-directed and take end-to-end ownership
Bonus: Experience building tools for developers, PLG SaaS platforms, or design systems
Bonus: Familiarity with LLMs, GenAI applications, or agentic frameworks
Compensation
Salary Range: $165,000-$250,000 USD
Compensation Philosophy:
We offer competitive compensation that includes base salary, variable compensation for relevant roles, meaningful equity, benefits, and perks.
We are hiring for this role across a range of scope, and the compensation band reflects that. Your offer depends on what we learn about your impact, craft, leadership, and communication during the interview process. We will tell you early where you’re tracking and talk comp with you before offer stage. Team members in the EU, UK, and APAC receive locally competitive benefits aligned with regional norms and regulations.
BenefitsBenefits include medical, dental, and vision coverage, flexible vacation, a 401(k) plan, meals on in-office days in the US and more.
How we rate this
Senior Product Engineer - Growth & Monetization at LangChain rates 65 out of 100 for how much of the daily work is AI. That makes it Works on AI (AI Level 3 of 4). The level is about AI in the job, not seniority.
Works on AI. The daily work is on AI products, without building the model.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.
Prepare for this job
Built from this posting and from similar jobs on Level.
Skills and AI tools this role asks for
Questions you could be asked
- How do you decide when an AI agent can act on its own versus asking for approval first?
- Tell me about a project where fullstack development was part of your work. What did you do?
- Tell me about a project where growth engineering was part of your work. What did you do?
- Tell me about a project where python was part of your work. What did you do?
- Tell me about a project where typescript was part of your work. What did you do?
Adapt your resume
- List these exact terms on your resume: AI agents, Fullstack Development, Growth Engineering, Python, and TypeScript. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
- Show where AI is part of your daily process, not a one-off project. This role expects it to be a running habit.
Want an expert to read your CV for this job?
Free. Send your CV and the role you want next. We reply by email within 2 to 4 business days.
Get new software engineering jobs (Works on AI ●●●○ or higher) by email
One email a week with the new software engineering jobs (Works on AI ●●●○ or higher), each rated for how much AI is in the work. No recruiter spam, unsubscribe in one click.
Free. One email a week. Unsubscribe in one click.
Similar roles
Software Engineering roles that work on AI, at other companies.
What kind of AI work fits you?
Answer 12 practical questions in about three minutes. Get a simple profile, the work it points to, and live roles to explore next.
Find my next step