Manuel Heller

Full-Stack DeveloperBasel region, Switzerland

Full-stack developer with five years of production experience in PHP and Vue, a background as a certified IT systems engineer (EFZ), and a trained eye for web design honed through photography and graphic design. Deeply invested in AI-assisted workflows (custom agents, hooks, skills, multi-step prompting) and convinced that continuous learning is not optional in the current tech climate. Team player with a quick grasp and the patience to turn a problem over until the solution is clean.

Experience

since 11/2021zvoove Switzerland AG

Full-Stack Developer

Development on zvoove Core, an enterprise SaaS in the staffing sector: grown PHP codebase, modern Vue frontend, BFF API in between
API and interface tooling (PHP, OpenAPI, Yii)
E2E test coverage with Cypress
Code reviews and architecture discussions in a ~14-person dev team
GitLab workflows, internal release management, Docker/Traefik dev environment

2020–2021Primarschule Grellingen · Altersheim Rosengarten

Civilian service

Teaching assistance in daily school life; activation program and care in a nursing home

2016–2020Novartis Pharma AG · GIBM Muttenz

Apprenticeship, IT systems engineer EFZ

Server and network administration, device management, IT service management per ITIL
Independently built an integrated display and info system with Scala Digital Designer
Degree: Swiss Federal Certificate of Competence

Own projects

joggediballa.ch

React 19 · tRPC · Drizzle · MySQL

All-in-one club platform: dynamic permission system, member and sponsor management (68+ sponsors), live Twitch overlay. Vibecoded, self-hosted.

manuelheller.dev

Next.js 16 · R3F · WebGL

This site: GPU fluid simulation as the hero, Risograph aesthetic, four languages, statically exported to my own server.

Shot-Counter

Vue 3 · Express · SQLite · Electron

Party scoreboard as a desktop app: QR join over LAN, realtime via server-sent events, atomic counter.

full-project-rework

Claude Code skill

Autonomous multi-agent codebase overhaul with analyzers, reviewers and implementers. Public on GitHub.

Core technologies

AI workflow · core competence: Claude Code · Cursor · custom agents, hooks, skills · MCP · multi-step prompting
Daily driver: PHP · Yii · Vue · MariaDB/MySQL · OpenAPI/Swagger · Cypress · HTML/CSS/JS
Ops & tooling: Docker · Git/GitLab · nginx · Linux servers · Bash · PowerShell
Vibecoded: TypeScript · React · Next.js · tRPC · Drizzle · Electron · GSAP · Three.js/R3F · WebGL shaders
Creative: Lightroom · Photoshop · DaVinci Resolve · photo and video production at a semi-professional level

Languages

German: native
English: fluent, incl. technical
French: school level

Engagement

since 2022

Vice president · Verein Jogge di Balla

Co-founder of the 9-person event club: web platform, social media lead (~100k views / 30 days), club photographer and videographer.

Strengths

Outgoing, extroverted, team player
Quick grasp, eager to learn
Perfectionist with a tendency to productively overdo it
Creative eye from photography and graphic design

Education

2016–2020: IT systems engineer EFZ · Novartis Pharma AG · GIBM Muttenz
2014–2016: Secondary school, level E · Sekundarschule Zwingen
2012–2014: Gymnasium, years 1–2 · Gymnasium Laufen