Projects & Case Studies._

A selection of product work, internal tools, platform systems, and AI projects. The goal is to show real constraints, decisions, and outcomes.

Web, mobile, internal tools
Systems, delivery, security
Client Work + Own Products

Featured Work

Work That Shows How I Think

These projects show how I work when the product matters and the engineering has to hold.

Featured Case Study2026

Gemini Embedding 2 MCP Server

Creator

A local MCP server for multimodal retrieval, built to give AI tools private search over code, documents, images, audio, and video without shipping data to a hosted vector store.

PythonChromaDBGeminiMCPMultimodal Retrieval

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Featured Case Study2026

AuthGate AI Proxy

Creator

A local AI gateway I built to unify provider auth, streaming, and protocol translation behind one developer-friendly endpoint.

TypeScriptBunFastifyOAuthSSE Streaming

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Featured Case Study2026

Twin Leopards Society

Lead Engineer

Built a fast, edge-delivered event platform for a Berlin collective, focused on strong visual identity, low-ops publishing, and dependable performance.

Next.jsEdge CDNGitHub ActionsRate LimitingTechnical SEO

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Featured Case Study2021

SAP Signavio

Senior Software Engineer

Worked on frontend architecture, design-system quality, CI/CD reliability, performance, and security hardening for a large enterprise process intelligence platform.

TypeScriptReactFrontend ArchitectureDesign SystemsCI/CD

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Featured Case Study2019

Smava GmbH

Senior Full-Stack Engineer

Worked on a financial comparison platform, focused on partner API orchestration, conversion-critical frontend flows, and reliable delivery in a regulated product domain.

Node.jsReactDockerAWSPartner Integrations

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More Work

More Product And Engineering Work

Earlier projects and client work that still show the range of systems, products, and teams I have worked across.

Stats-Coronavirus

Creator & Lead Engineer2020

Built a COVID-19 tracking dashboard and API focused on cache-first delivery, low operational complexity, and resilience under intense global traffic spikes.

JavaScriptReactRedisData IngestionCaching

Legal One GmbH

Senior Full-Stack Engineer2018

Worked on the modernization of a Legal Tech platform, focused on service boundaries, document workflows, auditability, and more reliable delivery.

Node.jsReactDockerAWSAudit Logging

Focus ONLINE

Full-Stack Engineer2017

Worked on a high-traffic voucher portal, focused on SEO-safe rendering, selective React interactivity, and caching strategies built for sudden traffic spikes.

JavaScriptReactSymfonyDockerCaching

Sparwelt GmbH

Full-Stack Engineer2016

Worked on a high-traffic voucher portal, focused on frontend delivery, progressive enhancement, mobile performance, and search-friendly rendering.

SymfonyJavaScriptVue.jsCSS3Progressive Enhancement

Customer Alliance GmbH

Full-Stack Engineer2015

Worked on a B2B SaaS platform for hotel review management, focused on aggregation pipelines, dashboard performance, and resilient third-party integrations.

SymfonyPHPJavaScriptBootstrapQueueing