Full-Stack Developer

From idea to finished product

I build modern web apps with clean architecture and an eye for detail — considered from data model to the last interaction.

Considered architecture
Fast and accessible
Design meets engineering

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Tech Stack

The tools I build with

All technologies

TypeScript
JavaScript
Python
React
Next.js
Vue.js
Svelte
Astro
Angular
Tailwind CSS
Node.js
Bun
Deno
PostgreSQL
MySQL
SQLite
MongoDB
Redis
Prisma
Drizzle ORM
Docker
Kubernetes
Vercel
Nginx
GitHub Actions
GitLab CI
Vite
Git

How I work

How I Work

Transparency about my work style to make sure we're a good fit.

Development & Code
- Modern tech stacks (clean code & type safety)
- Greenfield projects (architecture from scratch)
- Refactoring & optimizing existing systems
- Performance and user-experience focus
Way of Working & Processes
- Agile methods (Scrum / Kanban / daily standups)
- Async, documentation-centric communication
- Constructive code reviews & knowledge sharing
- Self-directed work with an eye for detail
Collaboration & Mindset
- Close alignment with product management & design
- Pragmatic, solution-oriented thinking
- Continuous learning and evaluating new technologies
- Open, direct and appreciative feedback

These are preferences, not hard rules. I'm always open to discussing unique situations and finding arrangements that work for both of us.

Join App

Web App
Open Source

A Kanban-style task manager (Join) built with Angular — drag-and-drop board, contacts, task assignment and authentication in a clean single-page app.

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Selfstack

Web App
Open Source
DevOps
Self-Hosting

A free, open-source self-hosted dashboard builder — organise bookmarks, services and homelab tools into customisable boards with drag-and-drop, sharing, orgs and 2FA, all in a single container.

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Quiz App

Web App

An interactive quiz app — play through question rounds, track your score and see instant feedback, built with Vue 3 and Vite.

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Testimonials

What people say

Voices from clients, project partners and colleagues I have worked with.

Frontend und Backend aus einer Hand. Genau das, was wir suchten.

Tobias Renner

Geschäftsführer, Renner Digital

Altes Portal in Rekordzeit abgelöst — sauber und ohne Drama.

Lena Hartmann

Produktleitung, Nordlicht Studio

Ich würde jederzeit wieder mit Lars zusammenarbeiten. Seine breite technische Expertise macht es unfassbar leicht, in einem Projekt massive Fortschritte zu erzielen. Selbst komplexe Aufgaben konnten wir auf einer Wellenlänge oft direkt angehen und effizient lösen.

Franek Kaminski

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