Hi, I'm Bence Z. Désvári

Full-Stack AI Engineer

TypeScript/JS across the stack · Python AI backends · LLM pipelines & RAG systems

ABOUT

FULL-STACK AI ENGINEER

Full-Stack AI Engineer with 4+ years of production experience. I build TypeScript/JavaScript-driven web applications and Python AI backends — including RAG pipelines, LLM integrations, and autonomous agents using LangChain and LangGraph. Java and Mendix experience available where needed; current focus is the TypeScript + Python AI stack.

YEARS EXPERIENCE

AI / LLM PROJECTS

PRODUCTION APPS SHIPPED

PUBLIC PROJECTS

EXPERIENCE

2025 – Present

StylersGroup

Enterprise CRM development on Mendix platform. Built AI-enhanced sales automation workflows using the Perplexity TypeScript SDK, integrated Apollo.io and Calendly APIs.

Java 21 REST API integration Mendix Intermediate Low-code Perplexity SDK Apollo.io Calendly

2024

Full-Stack Developer (short project)

Admin platform development with Angular + Java Spring Boot

GCP deploy Bootstrap team (2 people) Backend + Frontend ~50/50

2021 – 2024

ABT Treuhand

Development of enterprise financial/accounting web applications. Delivered a Nuxt.js + Firebase marketing site and handled NAV XML integrations for Hungarian tax authority compliance.

Java Spring Boot Angular 13-17 NAV API GCP Azure DevOps Nuxt.js Firebase

3-month engagement, within 2021-2024

Contractor – Senior Frontend / Full-Stack

Legacy PHP → Angular 17 + Java Spring Boot modernization

Multinational team HU UK IN stakeholders

SKILLS

FRONTEND

TypeScript JavaScript React Next.js Angular Nuxt.js Astro Tailwind CSS shadcn/ui HTML5 CSS3

BACKEND

Python FastAPI Pydantic v2 SQLAlchemy Node.js Hono Cloudflare Workers Java Spring Boot REST APIs

AI & LLM ENGINEERING

LangChain LangGraph RAG Pipelines OpenAI API Qdrant ChromaDB MLflow SHAP Arize AI LangSmith Autonomous Agents Prompt Engineering

DATABASES & CLOUD

PostgreSQL Firebase Supabase MongoDB Docker GitHub Actions Vercel AWS (basics)

LOW-CODE & TOOLS

Mendix (Intermediate Certified) n8n Git Figma

CERTIFICATIONS

Mendix Intermediate Developer Certification

Credential ID: 87511

NVIDIA Developer Program – Member

NVIDIA

Google Developer Program – Member

Google Developers

Verify

AI Agents Mastery – From Architecture to Optimization

Arize AI · 2026

Credential ID: certmmrr698d

Gemini Enterprise Agent Ready

Google Developers

Verify

Google Cloud Innovator Badge

Google Cloud

SQL for Data Science

University of California, Davis

Credential ID: TT6YFXBFLGKK

Python for Beginners

Microsoft

Credential ID: 7BFB99B82D3C2398

LATEST UPDATES

Machine Learning

Fraud Detection ML System

Production-grade fraud detection pipeline with model monitoring and explainability.

2026. 03. 23. VIEW PROJECT →

Blog

Meet Mastra: Finally, a Professional TypeScript Framework for AI Agents!

If you’re looking for a mature, type-safe, and stable tool for your AI projects, read on. I’ll show you why it’s worth switching and how you can get your own agent up and running on your local machine in minutes.

2026. 03. 11. READ MORE →

Mobile App

Building a Car Maintenance Tracker MVP with React Native & Expo

One‑Man MVP for Car‑Maintenance Management – Built in a Weekend

2026. 02. 21. VIEW PROJECT →

EXPLORE ALL

BLOG → PROJECTS →

GET IN TOUCH

Let's connect and discuss your next project

Email

bzddev@pm.me

For project inquiries, collaborations, or just to say hi

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Professional Network

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GitHub

Code Repository

Browse my open source projects and contributions

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Typically responds within 24 hours