What are the responsibilities and job description for the Fullstack Engineer position at Recruitment.ai?
Job Details
Role: Fullstack Engineer
Location: Sunnyvale, CA - Onsite
Job Summary
We are looking for a highly skilled Full-Stack Engineer who can build and maintain production-grade web applications while also designing and implementing AI-powered agents using LangChain and LangGraph.
Responsibilities
- Design, develop, and maintain full-stack web applications using React (frontend) and Python (backend)
- Build scalable, secure, and production-ready APIs and backend services
- Implement AI agents and intelligent workflows using LangChain and LangGraph
- Integrate LLMs into applications, including tool-calling, memory, and multi-step reasoning
- Design and implement RAG-based solutions using embeddings and vector databases
- Orchestrate agent state, control flow, and execution using LangGraph
- Ensure code quality through testing, code reviews, and best engineering practices
Required Skills
- Strong experience in React (modern hooks, component design, state management) and Python (FastAPI / Flask / Django)
- Solid understanding of full-stack architecture, REST APIs, and backend development
- Hands-on experience with LangChain for LLM application development
- Hands-on experience with LangGraph for building and orchestrating AI agents
- Experience integrating LLM APIs (OpenAI, Anthropic, etc.)
- Knowledge of RAG architectures, embeddings, and vector databases
- Proficiency with Git, version control, and collaborative development workflows
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