LangChain

1 month ago

Senior Fullstack Engineer, Growth & Monetization

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 4 hours agoStatus: Live

Job Summary

Senior Fullstack Engineer to build foundational growth features and integrations powering user acquisition, onboarding, activation, and monetization. You will own end-to-end product work across React, TypeScript, Python, and Go, collaborate with product/design/analytics, and contribute to growth experiments and pricing strategies. Role is in-person five days/week in New York City, San Francisco, or Boston, shaping growth for developers and enterprise customers.

Location: New York, San Francisco, Boston

Workplace: Onsite

Employment Type: Full time

Job Function: Software Engineering

Seniority: Sr. Manager level

Key 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

Pay and Benefits

Salary: USD 175,000 - 240,000

Perks:MedicalDentalVision401kMeal Allowance

Key Requirements

•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

Skills:OwnershipSelf-directedStartup experienceCollaborationProblem-solving

Languages:English

Tech Stack:ReactTypeScriptPythonGoREST APIsPostgreSQLRedis

Company Brief

LangChain

Provides an open-source framework and commercial platform (LangSmith/LangGraph) for building, testing, monitoring, and deploying LLM-powered applications and agentic AI for developers and enterprises.

Industry: Developer Tools

Company Size: Medium (51 to 250 employees)

Revenue: USD 10M to 25M

Growth: Scaleup

Valuation: Unicorn (USD 1B+)

Funding: Series B

Headquarters: San Francisco, United States

Founded: 2022

Website LinkedIn

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LangChain

1 month ago

Senior Fullstack Engineer, Growth & Monetization

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 4 hours agoStatus: Live

Job Summary

Location: New York, San Francisco, Boston

Workplace: Onsite

Employment Type: Full time

Job Function: Software Engineering

Seniority: Sr. Manager level

Key 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

Pay and Benefits

Salary: USD 175,000 - 240,000

Perks:MedicalDentalVision401kMeal Allowance

Key Requirements

•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

Skills:OwnershipSelf-directedStartup experienceCollaborationProblem-solving

Languages:English

Tech Stack:ReactTypeScriptPythonGoREST APIsPostgreSQLRedis

Company Brief

LangChain

Industry: Developer Tools

Company Size: Medium (51 to 250 employees)

Revenue: USD 10M to 25M

Growth: Scaleup

Valuation: Unicorn (USD 1B+)

Funding: Series B

Headquarters: San Francisco, United States

Founded: 2022

Website LinkedIn