Overview.
Over ten years of iOS in product teams, plus web, AI and own products — each project with context, task and result.
Engagements in product teams.
ePA — Electronic Health Record
IBM Deutschland GmbHAuthentication for the electronic health record — regulated by gematik and BSI.
- Sector
- Healthcare
- Role
- Senior software engineer
Kleinanzeigen App
Kleinanzeigen GmbHThe rebranding of eBay Kleinanzeigen to Kleinanzeigen — in live operation.
- Sector
- E-commerce
- Role
- Senior iOS engineer
Geospatial Data Platform
LiveEOSatellite-based geospatial data on the map — offline in the field, too.
- Sector
- Geospatial · Industrial
- Role
- Senior iOS engineer
EDEKA App
EDEKA Digital GmbHRedesign, SwiftUI migration and test automation for the customer platform.
- Sector
- Retail
- Role
- Senior iOS engineer
Junelight Smart Battery
Siemens AGThe companion app to Siemens' home battery — controlling physical hardware.
- Sector
- IoT · Energy
- Role
- Senior iOS engineer
Scan & Go — Self-Checkout
EDEKA Digital GmbHScan, pay, go — self-checkout with the customer's own phone.
- Sector
- Retail · Mobile Payment
- Role
- Senior iOS engineer
- Meine SWM App
- Live Reply GmbH
- 11.2017 – 02.2018
- Swift · RxSwift · Realm · REST
- OCR & hardware apps
- KURZ Digital Solutions GmbH & Co KG
- 04.2017 – 10.2017
- Swift · OpenCV · Tesseract · CoreBluetooth
- Retail & loyalty apps
- LUNAR GmbH – Ein Unternehmen der EDEKA ZENTRALE AG & Co. KG
- 2016 – 2017
- Swift · RxSwift · Realm
- Multi-Scoreboard App
- Client project
- 05.2016 – 06.2016
- Swift · Node.js · Sockets · MongoDB
- Scoreboard app with video overlay
- Client project
- 04.2016 – 05.2016
- Swift · Node.js · Sockets · MongoDB
- Combat Sport Replay System
- Client project
- 02.2016 – 04.2016
- Swift · Node.js · ffmpeg · HLS · MongoDB
- iOS games: Die Kugel · HEX'EM
- Own projects
- 08.2015 – 02.2016
- Swift · Sketch
- VoIP applications: XCall · CallBack.me
- Dillons Bay
- 06.2013 – 04.2014
- Objective-C · Swift
- Own experiments
- Video · BLE · geo · games
- —
- AVFoundation · CoreBluetooth · SpriteKit
Own products and client projects.
CognitEase
Own productA practice assistant for therapists as a Telegram mini app — with LLM documentation.
- Sector
- AI · HealthTech
- Role
- Founder
Kunuz Bot
News agencyNews delivered automatically from source to Telegram mini app.
- Sector
- Media · Telegram
- Role
- Full-stack developer
Automated News Bot Platform
Own product · discontinuedTopic news bots with avatar videos — fully automated through to publication.
- Sector
- AI · Media
- Role
- Sole developer
Votum Bot
Client projectOrdering and paying directly in Telegram — no app-store install.
- Sector
- Telegram · E-commerce
- Role
- Full-stack developer
First conversation: 30 minutes, free of charge, no presentation.
You describe the situation, I tell you whether and how I can help. No slides, no sales pitch.