Java Fullstack Developer

Java Fullstack - Sunnyvale

Pls share local SCV profiles on this req.

Experience 6+ years (strong background tier1 companies/apple experience is preferred)

Location: Sunnyvale, CA

W2 contracting/Fulltime only (75/hr or Gross150K/annum including 10% QPLC)

JC: Fulltime 192714/Contracting 193061

Key Responsibilities

• Design and develop enterprise-grade applications using Java, Spring Boot, Microservices, and React.

• Build RESTful APIs and integrate backend services with AI/ML platforms.
• Develop AI-powered solutions using Large Language Models (LLMs).
• Implement Retrieval-Augmented Generation (RAG) architectures using vector databases.
• Create AI Agents and workflow orchestration using LangChain, LangGraph, Spring AI, or similar frameworks.
• Integrate OpenAI, Claude, Gemini, or other foundation model services.
• Collaborate with business stakeholders to convert AI use cases into production-ready solutions.
• Build and maintain CI/CD pipelines and cloud-native deployments.
• Ensure application scalability, security, performance, and observability.
• Follow Agile and DevSecOps best practices.

Mandatory Technical Skills

Backend Development

• Java 8/11/17+

• Spring Boot
• Spring MVC
• Spring Security
• Spring Data JPA
• Hibernate
• Microservices Architecture
• REST API Development

Frontend Development

• React JS

• JavaScript (ES6+)
• TypeScript
• HTML5
• CSS3
• Bootstrap / Material UI

Generative AI

• Prompt Engineering

• Large Language Models (GPT, Gemini, Claude, Llama)
• Retrieval-Augmented Generation (RAG)
• LangChain / LangGraph
• Spring AI
• Vector Databases (Pinecone, ChromaDB, Weaviate, FAISS)
• AI Agents and Agentic Workflows
• Model Evaluation and Guardrails

Database

• PostgreSQL / MySQL

• MongoDB
• Redis

Cloud & DevOps

• AWS / Azure / GCP

• Docker
• Kubernetes
• GitHub Actions / Jenkins
• Terraform (Good to Have)