LangChain · 2 months ago
Fullstack Software Engineer, Applied AI
San Francisco, CA
Full-time
Onsite
Mid Level
$170K/yr - $195K/yr
3+ years expLangChain is a company focused on making intelligent agents ubiquitous through their agent engineering platform and open source frameworks. They are seeking Applied AI Engineers to design, build, and deploy production-grade AI agents and workflows that will transform their operations and drive measurable business impact across various functions.
Agentic AIArtificial Intelligence (AI)DatabaseDeveloper 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
Full-stack experience across frontend, backend, and deployment
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
2025-12-11
2025-12-05
Company data provided by crunchbase