$ Hi, I'm Jonas

Full-Stack Developer . MERN Stack . Kassel

From Social Work to Full-Stack Development. After more than a decade in social services and family support, I'm now building digital solutions that break down barriers and improve accessibility. My mission: creating user-centered applications that truly make a difference.

reach out $ ls projects/

github/jonas-fink linkedin/in/jonas-fink jonasfink.dev@gmail.com

02 FEATURED PROJECTS

$ ls -la ~/projects

drwxr-xr-x · 2026Client Management System for Social WorkDashboards for specialists and coordinators in the field of social work: reports, documentation, workload, vacation/ sick leave, working hours, and appointment management. Shared and RBAC protected file storage per client, notification and invitation system for appointments.React · TypeScript · Tailwind v4 · Node.js · Express.js · AWS S3 · MongoDB drwxr-xr-x · 2026KSoKo – Social CompassA low-barrier social compass for Kassel: municipal events, community activities and counselling services on one map and in filterable lists, savable into a personal library that doubles as a calendar. Three independent data pipelines (daily scraper, Nominatim geocoding backfill, CSV partner import) feed one unified read API, plus a guest-usable chatbot with structural guardrails against hallucinated recommendations.React · TypeScript · Node.js · Express.js · MongoDB · Gemini API · AWS S3 · Docker

cd projects/ →

03 CAREER HISTORY

$ git log career

a3f9c21 (09/2026 - today)

Full-Stack Developer @ helpely ↗

Building the platform of a startup that matches people seeking help with the right social institution — and gives institutions a holistic place to showcase their offers and free places.

7be04d8 (09/2026 - today)

Member @ KI Hub Kassel ↗

Workshops, meetups and consulting on AI topics — from AI system integration to AI-assisted and agentic coding.

01c5e77 (2026)

Bootcamp completed

Certification for Full-Stack App & Web Development (MERN-Stack) - built own projects, from client management systens to health tracking apps and deployed them.

e42b9f0 (2014 - today)

Social Work & Education

Over 10 years of experience in family support: casework, coordination, and a keen eye for identifying where processes and systems stand in peoples way instead of helping them.

mail — jonas@kassel

Let's build something.

$ mail jonas