Hi, I'm Bence Z. Désvári

Full-Stack AI Engineer

ABOUT

WHO I AM

FULL-STACK AI ENGINEER

Full-Stack AI Engineer with 5+ years of production experience, currently working as an AI Engineer at Oktatron. 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.

5+
YEARS EXPERIENCE
7+
AI / LLM PROJECTS
3
APPS SHIPPED
4+
PUBLIC PROJECTS

EXPERIENCE

2026 – Present

Full-Stack AI Engineering at Oktatron

Building the future AI solution in a startup — details are classified for now. :)

TypeScript Python AI Agents LLM Engineering
2025 – 2026

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

AMD AI Developer & Program Member
Mendix Intermediate Developer
ID: 87511
NVIDIA Developer Program
NVIDIA
Google Developer Program
Google Developers
AI Agents Mastery
Arize AI · 2026
Gemini Enterprise Agent Ready
Google Developers
Google Cloud Innovator
Google Cloud
SQL for Data Science
UC Davis
Python for Beginners
Microsoft

LATEST UPDATES

01
Blog

From Low-Code to AI Engineering

A practical write-up on moving from low-code development into full-on AI engineering — covering system prompts, behavior rules, context engineering, codebase intelligence, and the stack that makes coding agents faster, cheaper, and more predictable.

2026. 06. 10. READ MORE →
02
VectorlessDB RAG

The Experiment: What Is 'Vectorless RAG'?

No vector database. No embedding model. No infrastructure beyond a single serverless function. I built this on Cloudflare Workers with React Router 7 and TypeScript. The app lets you upload PDFs, ask natural language questions, and get structured answers back — all running at the edge for pennies per month.

2026. 03. 31. VIEW PROJECT →
03
Full-Stack AI Project

AI Project Manager — Production-Ready Agentic System

A fully agentic AI system that autonomously plans, researches, and executes project tasks. Built with LangGraph, NVIDIA NIM, and real-world integrations: Notion, Jira, and Slack.

2026. 03. 29. VIEW PROJECT →

GET IN TOUCH

Let's connect and discuss your next project

Email

bzddev@pm.me

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GitHub

Code Repository

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