LangChain · 10 hours ago
AI Engineer
San Francisco Bay Area
Full-time
Hybrid
Senior Level
$160K/yr - $180K/yr
5+ years expLangChain is a company focused on making intelligent agents ubiquitous, providing tools for developers to create production-ready AI agents. The AI Engineer role involves designing, building, and optimizing AI agent systems while engaging with enterprise customers to ensure successful implementation and deployment.
Artificial Intelligence (AI)Big DataSoftwareAgentic AIDatabaseDeveloper APIsGenerative AI
Responsibilities
Agent Engineering & Development: Design multi-agent systems with Subagents/Handoffs/Router patterns, implement agent logic using langchain/langgraph, design comprehensive evaluation frameworks, optimize prompts with A/B testing, implement state management (short-term and long-term memory), and design RAG patterns with vector store integration
Deployment & Operations: Guide customers on agent deployment and configuration management, integrate agents into CI/CD pipelines, collaborate with Solution Architects on infrastructure requirements, and set up observability using LangSmith
Customer Engagement & Assessment: Lead agent engineering maturity assessments, work directly with enterprise customers to understand requirements and present recommendations, and partner with Solution Architects, Engagement Managers, and Product/Engineering teams
Qualification
Required
5+ years of experience in software development with 2+ years focused on AI/ML applications or agents
2+ years of experience building production AI/ML applications or agents
Strong experience with LLM frameworks (langchain/langgraph, or similar) for building agent-based applications
Strong experience with state management (short-term and long-term memory)
Experience designing and implementing evaluation frameworks for AI applications (LLM-as-judge, deterministic evaluators)
Strong prompt engineering skills with experience in optimization, externalization, and A/B testing
Experience with vector stores, RAG patterns, and knowledge organization
Experience with MCP/tool integration, API design, and error handling patterns
Strong Python and/or TypeScript development skills with production-grade code quality
Understanding of cloud platforms (GCP, AWS, or Azure) and common services
Knowledge of containerization and container orchestration concepts
Understanding of CI/CD concepts and experience integrating applications into CI/CD pipelines
Understanding of networking, security (authentication, authorization), and observability concepts
Ability to collaborate with infrastructure teams on deployment requirements
Customer-facing experience with enterprise customers
Experience conducting technical assessments or code reviews
Strong communication skills with ability to explain technical concepts to diverse audiences
Strong problem-solving skills with ability to analyze complex requirements and design elegant agent solutions
Consultative approach with ability to understand customer needs, provide recommendations, and guide implementation
Preferred
Customer-facing experience is preferred
Location: SF or NY Preferred. US Remote Ok
Benefits
Medical, dental, and vision 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