Open to opportunities

Thomas Varga

@thomasvarga

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Senior Full-Stack engineer building enterprise microservices and AI pipelines with Python, Go, and cloud-native stacks.

Hungary

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What I'm looking for

I’m looking for a fast-moving team where I can build full-stack microservices and event-driven systems, ship AI-enabled features with LangChain/RAG, and work end-to-end in AWS with Docker, Kubernetes, and CI/CD.

I’m a Senior FullStack Developer with 10+ years building full-stack systems across Python, PHP, Node.js, C#, Java, and Go for enterprise SaaS platforms. I specialise in microservices and event-driven architecture, and I deliver AI-driven features using LangChain and RAG pipelines.

I’ve built production systems processing high volumes of data across distributed engineering teams, with strong hands-on experience in AWS, Docker, Kubernetes, and CI/CD in fast-moving Agile environments. In recent roles, I integrated OpenAI API and LangChain into backend workflows, developed React/TypeScript UIs for AI outputs, and engineered reusable front-end components with Tailwind CSS and MUI.

I also care about engineering quality and team impact: I lead code reviews, drive technical discussions, and mentor mid-level engineers. Whether it’s designing REST/GraphQL APIs, implementing RBAC authentication/authorization, or collaborating with product managers and designers to refine AI workflows sprint by sprint, I focus on shipping reliable systems that scale.

Experience

Work history, roles, and key accomplishments

Senior FullStack Developer

DevTechStudio LLC

May 2023 - Apr 2026 (2 years 11 months)

Built Python and Go backend microservices and REST APIs supporting internal workflows and AI pipelines. Integrated OpenAI with LangChain, delivered React/TypeScript UI, and deployed Dockerized services on AWS/Azure while mentoring a 6-person team.

Python Go Microservices REST APIs OpenAI API React TypeScript AWS Docker CI CD

FullStack Developer

Monterail

Apr 2019 - Apr 2023 (4 years)

Developed Node.js and Java microservices and REST APIs for an enterprise platform, partnering with an 8-engineer team on Python data processing and AI pipeline integration. Implemented authentication and RBAC, optimized PostgreSQL/MongoDB performance, and automated deployments with GitHub Actions and Docker.

Node Java REST APIs Microservices Python React Angular PostgreSQL CI CD

Web Developer

SEON

Aug 2016 - Mar 2019 (2 years 7 months)

Built backend functionality with ASP.NET Core, PHP, and Node.js, creating REST APIs and data processing workflows. Supported Angular/React UI development, maintained and optimized MySQL databases, and contributed to authentication and security improvements with a 12-person team.