LangChain · 2 months ago
Senior Fullstack Engineer, Growth & Monetization
San Francisco, CA
Full-time
Onsite
Senior LevelLangChain is a company dedicated to making intelligent agents ubiquitous through their agent engineering platform and open source frameworks. They are seeking a Senior Fullstack Engineer to build foundational product features and integrations that drive user acquisition and growth, collaborating closely with various teams to enhance the overall user experience.
Agentic AIArtificial Intelligence (AI)DatabaseDeveloper APIsGenerative AI
Responsibilities
Work across our stack (React, TypeScript, Python, Go) to deliver full-stack product features that drive growth and retention
Build flexible experimentation systems and processes capable of targeting diverse growth metrics
Participate in data-driven, rapid growth experiments across the user funnel from onboarding to monetization
Design and ship new onboarding features and improvements that accelerate time to value
Build growth levers including usage-based guardrails, smart upgrade triggers, and contextual CTAs
Collaborate closely with product, design, GTM, and analytics teams to identify, prioritize, and execute high-impact growth opportunities
Qualification
Required
Extensive fullstack software development experience using React, TypeScript, and Go and/or Python
Strong product intuition and a 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 with the ability to thrive in fast-paced, zero-to-one environments
Self-directed with an ownership mindset
Preferred
Experience building for developers or product-led growth platforms
Familiarity with LLMs, GenAI applications, or agentic frameworks
Company
LangChain
LangChain is a platform that provides open-source frameworks and tools for engineering and deploying language model agents.
Founded in 2022
51-200 employees
H1B Sponsorship
LangChain has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
Funding
Current Stage
Growth StageTotal Funding
$160MKey Investors
IVPSequoia CapitalBenchmark
2025-10-20Series B· $125M
2024-02-15Series A· $25M
2023-03-21Seed· $10M
Leadership Team
Harrison Chase
Co-Founder and CEO
Ankush Gola
Co-Founder
Recent News
2025-12-11
2025-12-05
Company data provided by crunchbase