Fullstack Engineer

Robotic Technologies Automation; Sunnyvale (CA); On-site; USD 130,000 - 180,000; Full time

Job summary

ROBOTIC PROCESS AUTOMATION LLC is seeking a highly skilled Full-Stack Engineer to build production-grade web applications and design AI-powered agents using LangChain and LangGraph. You will work on both frontend and backend, delivering robust APIs and secure services.

Join a fast-paced team deploying cutting-edge AI workflows, integrating LLMs, and advancing RAG-based solutions with embeddings and vector databases. You will collaborate across disciplines to maintain high quality and performance.

Qualifications

• Experience building production-grade full-stack web applications with React and Python.
• Hands-on experience with LangChain and LangGraph for AI agents.
• Knowledge of REST APIs, RAG architectures, embeddings and vector databases.
• Proficiency with Git and collaborative development workflows.

Responsibilities

• Design, develop, and maintain full-stack web applications using React and Python.
• Build scalable APIs and backend services for production.
• Implement AI agents and intelligent workflows using LangChain and LangGraph.
• Integrate LLMs with tool-calling, memory, and multi-step reasoning.
• Ensure code quality through testing, reviews, and best practices.

Skills

React

Python

REST APIs

LangChain

LangGraph

LLMs

Git

Full-stack architecture

Tools

Git

FastAPI/Flask/Django

LangChain

LangGraph

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

ROBOTIC PROCESS AUTOMATION LLC 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. ROBOTIC PROCESS AUTOMATION LLC 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 ROBOTIC PROCESS AUTOMATION LLC 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