LangChain · 5 months ago
Fullstack Engineer, Applied AI
United States
Full-time
Remote
Mid, Senior Level
$170K/yr - $195K/yr
3+ years expLangChain is a company on a mission to make intelligent agents ubiquitous, providing developers with the tools to create reliable agents quickly. The role involves designing, building, and deploying production-grade AI workflows and agents, collaborating with various teams to drive automation and measurable business impact.
Artificial Intelligence (AI)Big DataSoftwareAgentic AIDatabaseDeveloper APIsGenerative AI
Responsibilities
Design, implement, and deploy end-to-end AI workflows and agents that solve real problems across multiple business domains
Develop and iterate on agent architectures, evaluation pipelines, and performance frameworks to ensure reliability and measurable outcomes
Translate emerging AI research and tooling into practical, production-ready solutions
Communicate technical decisions, trade-offs, and insights clearly to both technical and non-technical stakeholders
Collaborate cross-functionally embedding with teams like Marketing, GTM, Recruiting, or Product to identify opportunities for agent-driven automation and measurable business impact
Contribute to the LangChain and LangGraph ecosystem, including open source components, documentation, and shared tools
Qualification
Required
Experienced software engineer with a strong track record shipping AI or ML-powered applications (typically 3+ years, including at least 1 year building LLM systems in production)
Hands-on experience implementing evaluation and monitoring systems for agents or workflows
Deep understanding of the components that make up an AI system: prompting, retrieval, orchestration, inference APIs, and model selection across modalities
Strong coding skills in Python or TypeScript (ideally both)
Excellent communicator who can simplify complex technical ideas for diverse audiences
Thrives in a fast-moving, ambiguous startup environment; enjoys identifying the highest-impact problems and driving them to completion
Naturally curious and motivated to learn new tools, frameworks, and approaches in applied AI
Preferred
Expertise with LangChain or LangGraph
Experience building or maintaining open source projects
Background in applied AI research or agentic workflow development
Based in San Francisco (preferred), NYC, or Boston
Benefits
Health and dental coverage
Flexible vacation
A 401(k) plan
Life insurance
Company
LangChain
LangChain is a platform that provides open-source frameworks and tools for engineering and deploying language model agents.
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
Dynamic Business
2026-01-20
2025-12-11
2025-12-05
Company data provided by crunchbase