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Work

A selection of projects I've delivered — from national-scale infrastructure to AI-powered enterprise systems.

AI Transformation Work Force

PEAX
2025 – Present
Web

Co-leading an AI Engineering Transformation initiative at PEAX — designing a standardized, compliant agent framework with clear guardrails, human-in-the-loop patterns, and measurable impact on code quality and delivery speed.

PDFThor — Client-Side PDF Editor

Own Product
2026 – Present
Web

Fully client-side PDF editor built as an embeddable library — documents never leave the browser. PKI digital signatures (PAdES), AES-256 encryption, and an AI document chat, shipped as framework-agnostic web components.

Corona-Warn-App

2022 – 202338M+ users
iOS

Germany's official COVID-19 contact tracing and digital health certificate app, serving 38 million users at peak adoption. One of the most high-profile public health apps in European history.

Comdirect Banking App

20241M+ users
iOS

The primary mobile banking application for comdirect, one of Germany's leading online banks. Serving over 1 million users with securities trading, account management, and financial planning features.

Comdirect photoTAN

2023 – 20241M+ users
iOS

Security-critical two-factor authentication app for comdirect banking customers, enabling secure transaction authorization via photoTAN technology for over 1 million users.

TK-Safe / Electronic Health Record

2020 – 20212M+ users
iOS

Germany's first electronic health record (ePA) integrated into a health insurance app, enabling 2 million+ users of Die Techniker to manage their medical documents, prescriptions, and health data digitally.

KulturPass Storefront

20231M+ users
Web

Web storefront for Germany's KulturPass initiative, enabling young adults to discover and redeem cultural offerings. Built with SAP Commerce Cloud, serving 1 million+ users.

DAK App

2022800K+ users
iOS

The primary mobile app for DAK-Gesundheit, one of Germany's largest public health insurers, providing 800K+ users with digital health insurance services.

DAK Student Portal

DAK-Gesundheit
202450K+ users
Web

UX/UI design and frontend development for DAK-Gesundheit's digital student enrollment and services portal, serving 50K+ university students.

DEAS Agency App

DEVK
20243K+ agencies users
Web

UX/UI design for DEVK's digital agency management platform, streamlining insurance workflows for 3,000+ agencies across Germany.

Digital Diagnostics Wagons

201910K+ wagons users
Web

Web-based diagnostic platform for DB Cargo's freight wagon fleet, enabling digital condition monitoring and maintenance planning for 10,000+ wagons.

MIA - Mobile Identity & Access

T-Systems
2018 – 20195K+ users
iOSWeb

Cross-platform identity and access management solution for T-Systems, providing secure digital identity services to 5,000+ enterprise users.

Pillenfee

Allianz / metafinanz
2018Testfield users
iOSWeb

Innovative medication management app developed as a health-tech innovation project for Allianz, featuring smart reminders and medication tracking in a testfield environment.

Allianz Health App

Allianz
2016 – 2018600K+ users
iOS

The primary health and wellness app for Allianz private health insurance customers, providing digital health services to 600K+ users across Germany.

Allianz Kranken Makler Software

Allianz
2015 – 2016
Web

Web-based broker management software for Allianz health insurance, streamlining policy management and client advisory workflows for insurance brokers.

Allianz Tariff Change Advisor

T-Systems / Allianz
2014 – 20155K+ users
Web

Web-based advisory tool for Allianz health insurance tariff changes, guiding 5,000+ users through complex insurance plan comparisons and switching processes.

felixschmidt.software — AI-Powered Portfolio

Own Product
2026 – Present
Web

Personal portfolio and marketing website with an integrated AI assistant powered by Retrieval-Augmented Generation (RAG). Visitors can ask natural-language questions about Felix's experience, and the system retrieves relevant projects via vector similarity search before generating grounded, hallucination-free answers using Google Gemini. The entire pipeline is bilingual (EN/DE), streaming, and built on a modern full-stack architecture.

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