AI-Powered Full Stack Engineer (Java/React)

blueStone Solutions Group; Austin (TX); Hybrid; USD 83,000 - 124,000; Full time

Job summary

blueStone Solutions Group in Austin, TX is seeking a Full Stack Software Engineer (AI Focus) on a contract-hybrid basis. You will own end-to-end development of scalable Java backends and React frontends, integrating cutting-edge AI frameworks and LLMs into production systems.

Lead architectural decisions, balance latency and cost, and leverage AI tooling like LangChain, LlamaIndex, and Vector Databases to deliver robust dashboards and internal tools.

Qualifications

• Backend experience in Java and microservices architecture.
• Frontend architecture ownership and React UI delivery.
• Hands-on AI/ML stack experience with LangChain, LlamaIndex, HuggingFace.
• Experience with vector databases and AI integration (RAG, agents).
• Strong system design and end-to-end solution expertise.
• Proficient in prompt engineering and AI validation.

Responsibilities

• End-to-End Engineering: architect, build, deploy full-stack solutions.
• Backend Development: scalable APIs, microservices, batch systems.
• Frontend Development: dashboards and internal tools with React.
• AI & LLM Integration: AI-powered features into production environments.
• Model Management: evaluate and integrate AI models; optimize latency and cost.
• Modern Workflows: use AI-assisted tools to improve code quality and velocity.

Skills

Java

Microservices

Backend Architecture

React

System Design

Prompt Engineering

LangChain

LlamaIndex

HuggingFace

Vector Databases

Tools

Cursor

GitHub Copilot

Claude Code

Job description

blueStone Solutions Group in Austin, TX is seeking a Full Stack Software Engineer (AI Focus) on a contract-hybrid basis. You will own end-to-end development of scalable Java backends and React frontends, integrating cutting-edge AI frameworks and LLMs into production systems.

Lead architectural decisions, balance latency and cost, and leverage AI tooling like LangChain, LlamaIndex, and Vector Databases to deliver robust dashboards and internal tools.