Hieu Nguyen

Hieu Nguyen is a Technical Lead and Full-Stack Engineer based in Arlington, TX, with over seven years of experience in enterprise software development. He specializes in modernizing legacy platforms, refactoring monoliths into modular microservices, and optimizing cloud infrastructure. His prior project work at Verizon involved migrations from Java 8 to Java 17 and Spring Boot 3 across more than 30 microservices.

Some reviewers say his work involves creating multi-agent AI orchestration systems using frameworks such as LangGraph and RAG. He has also been involved in DevOps automation and infrastructure cost optimization projects. These technical contributions are part of his role as a systems architect and modernization specialist.

The website states that he achieved a 50% reduction in EC2 infrastructure savings by optimizing pods and logs. Additionally, his work at Verizon included securing 90+ vulnerabilities through rigorous testing and microservice design patterns. These achievements highlight his focus on both cost efficiency and security in enterprise environments.

Hieu Nguyen's technical skills include Java (versions 8, 11, and 17), Python, TypeScript, JavaScript, SQL, and Go. He also utilizes DevOps and cloud tools like AWS, Terraform, Kubernetes, and Docker. His framework expertise extends to Spring Boot, Hibernate, and Angular or React for frontend development.

His approach combines rigorous testing methods like BDD/TDD via Cucumber and Selenium with custom mediator orchestration patterns. He also integrates advanced multi-agent AI frameworks to build resilient systems. This combination allows him to address complex enterprise architecture challenges effectively.

He co-designed a multi-agent AI orchestration system with a supervisor agent directing specialized nodes for intent extraction and tool calling. This system replaced manual Verizon service qualifications and helped secure a $500K project win. The project utilized Python, LangGraph, and React technologies.

The website mentions a published library of tech research containing 44 explainers on AI tools, local models, and product opportunities. Each explainer breaks down the problem, solution, benefit, and application. The latest story featured OpenMausBot, a team of AI agents in a chat app.

A personal project he architected involves a 12-stage investment pipeline using LangGraph and LLM sentiment evaluation. It combines deterministic Kelly Criterion formulas for trade sizing and implements real-time WebSocket communication. The system provides sub-second updates for quantitative AI portfolio management.

He created an interactive co-authoring workspace called Story Realm App that allows collaboration with local Ollama models or remote OpenAI-compatible APIs. The app features live serve capabilities and integrates FastAPI, EventSource, Ollama, and JavaScript. This tool supports real-time collaborative writing environments.

Some users on Reddit note that he is a content creator who releases bundles for tabletop games, including Crystal Desert and Shadow Mist. These bundles include environments, adversaries, and battle maps designed for specific thematic arcs. His artistic contributions are recognized under the alias kelogsloops.

To get in touch, visitors can visit his website at hieu-nguyen.com or use the phone number 4693219976. The website also provides links to view his work and contact him directly. These channels allow potential clients to initiate discussions about modernization or AI projects.

The official website of Hieu Nguyen is hieu-nguyen.com.

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