Available for new projects — Q3 2026
cdlr:~$ .

Fullstack web developer, building with Rails, Python & Vue — and AI tools at every step.

Expertise

Three principles, one toolkit.

01

AI-first workflow

Daily use of Claude Code and modern AI tooling — from architecture sketches to test generation. Ship more, with the same care.

02

Founder mindset

Co-founded Botcrypto (12.5k users). Decisions weighed in product trade-offs, not just code.

03

End-to-end ownership

Backend, frontend, infra, on-call. From the first migration to the 3 a.m. incident.

— Toolkit

Code

Ruby on Rails · Python (Asyncio, Django REST, FastAPI) · Vue.js / Nuxt · PostgreSQL · Redis

Infra

Docker · Kamal · Kubernetes · Cloudflare · Prometheus / Grafana · OpenTelemetry

Portfolio

A blend of professional experiences and personal projects.

Job Personal project Training
2025 · 2026

ImmoDuo.fr

Side project · Real estate search

Architected and deployed an AI-powered PropTech SaaS (Solo Project).

OpenAI Ruby on Rails Kamal Cloudflare
2026 Tr

TrocOS

Open source · Time banking platform

Self-hosted time banking platform for entrepreneurial communities. Members exchange skills using time as currency — every hour worth the same.

Ruby on Rails Hotwire PostgreSQL
2026 Cz

Condensr & SummarZ

Open source · AI book summarization

Condensr — Python library & CLI producing structured chapter-by-chapter book summaries. SummarZ — self-hosted web app on top of it with real-time streaming and PDF export.

MistralAI FastAPI React
2026 Pi

Pingouin

Open source · Uptime monitoring

Lightweight, self-hosted alternative to status.io: per-minute HTTP checks, daily recap emails, and public status pages.

Flask React 19 PostgreSQL
2025 Pa

Papcsig.fr

Side project · Showcase website

Showcase website built for friends — self-hosted and deployed with Kamal.

Ruby on Rails Kamal
Ongoing

More open source

Side projects · Libraries & tools

auto-git-flow, changelogfromtags, aio-task, aio-kraken-ws, /status, python-template, and a long tail of smaller projects on GitLab and GitHub.

Python Asyncio CLI
2017 Digora

Digora

Engineering project · IoT / LoRaWAN

9-month team project at Télécom Physique Strasbourg: a fleet of LoRa-connected sensors and a management app, relayed via Multitech hardware to Digora's datacenter.

LoRaWAN IoT Embedded
Job 2017 Teacherin

Teacherin.hu

Freelance · Marketplace

My first freelancing project — a Rails platform to find a private language teacher in Hungary.

Ruby on Rails SQL Scalingo
2017 · Budapest Bendy team

Bendy

Internship · Wordpress plugin

"The place to be tonight" app — built a Wordpress plugin (PHP & frontend) to manage merchants and users.

PHP WordPress
2016 · Budapest Café des Arts et Innovation

Café des Arts et Innovation

First internship · Rails site

First professional experience abroad. Built the Rails website for this French coffee shop in Budapest — menu & orders.

Ruby on Rails Redis SQL Scalingo
2018 Télécom Physique Strasbourg

Engineering Degree

Télécom Physique Strasbourg

Réseaux & Télécoms — Infrastructures Numériques et Objets Communicants. Specialisation in IT networks and IoT.

Networks IoT Software Engineering
2018 Université de Strasbourg

Master Degree

Université de Strasbourg

Master RISE — Réseau Informatique & Systèmes Embarqués. Specialisation in computer science, networking and embedded systems.

Networking Embedded Systems IT