Fullstack Engineer

Cloud Hybrid Technologies LLC; Sunnyvale, Northern (CA, KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Cloud Hybrid Technologies LLC in Sunnyvale, CA is seeking a highly skilled Full-Stack Engineer to build production-grade web applications and AI-powered agents using LangChain and LangGraph. You will design and implement AI-driven workflows with React on the frontend and Python on the backend, delivering scalable APIs and robust services.

The role requires hands-on experience with LangChain, LangGraph, LLM integration, and RAG-based solutions.

Qualifications

• Strong experience with React (hooks, components, state) and Python (FastAPI/Flask/Django).
• Solid understanding of full-stack architecture and REST APIs.
• Hands-on experience with LangChain for LLM apps.
• Hands-on experience with LangGraph for AI agents orchestration.
• Knowledge of RAG architectures, embeddings, and vector databases.
• Proficiency with Git and collaborative workflows.

Responsibilities

• Design, develop, and maintain full-stack web applications with React (frontend) and Python (backend).
• Build scalable, secure APIs and backend services.
• Implement AI agents and intelligent workflows using LangChain and LangGraph.
• Integrate LLMs into applications, including tool-calling, memory, and 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, reviews, and best engineering practices.

Skills

React

Python

Full-stack

LangChain

LangGraph

REST APIs

RAG architectures

Embeddings

Vector databases

Git

Job description

We are looking for a highly skilledFull-Stack Engineerwho can build and maintainproduction-grade web applicationswhile also designing and implementingAI-powered agentsusingLangChain and LangGraph.

Responsibilities

• Design, develop, and maintainfull-stack web applicationsusingReact (frontend)andPython (backend)
• Build scalable, secure, and production-readyAPIs and backend services
• ImplementAI agents and intelligent workflowsusingLangChain and LangGraph
• IntegrateLLMsinto applications, including tool-calling, memory, and multi-step reasoning
• Design and implementRAG-based solutionsusing embeddings and vector databases
• Orchestrate agent state, control flow, and execution using LangGraph
• Ensure code quality throughtesting, code reviews, and best engineering practices
  

Required Skills

• Strong experience inReact(modern hooks, component design, state management) andPython(FastAPI / Flask / Django)
• Solid understanding offull-stack architecture, REST APIs, and backend development
• Hands‑on experience withLangChainfor LLM application development
• Hands‑on experience withLangGraphfor building and orchestrating AI agents
• Knowledge ofRAG architectures, embeddings, and vector databases
• Proficiency withGit, version control, and collaborative development workflows

Cloud Hybrid is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. Cloud Hybrid will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will Cloud Hybrid require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract