Products & projects
Three products of our own, long-standing client relationships and projects since 2016 across web, mobile, desktop, 3D and infrastructure.
Explore all 25 project examplesWe own product strategy, user experience, development, infrastructure, support and improvement. Every view below comes directly from the live products. BodySeasons uses test data only.
Health Tech · Web & Mobile
Clear, research-based cycle health guidance without performance pressure.
BodySeasons translates complex research into practical guidance for training, nutrition and wellbeing. Privacy and different cycle profiles are core to the product.
Game Backend · Live Ops
Managed backend and live ops for studios that want predictable growth.
horizOn combines global infrastructure, an accessible dashboard and SDKs for Unity, Godot and Unreal. Pricing stays transparent and predictable.
FinTech · Automation
Move Stripe invoices into Lexware Office with control and accuracy.
InvoiceSync reduces manual accounting through rule-based tax assignment, reviewable drafts and traceable transfers.
The project portfolio
25 project examples across five areas: client solutions, our own products and internal tools. The archive adds individual projects and development phases. Client projects use neutral names.
25 of 25 project examples
Own product
Health & FemTech
A cycle and symptom tracking platform with a web app, native iOS and Android delivery, middleware, a coach workspace and its own content tools. Product responsibility spans UX, backend integration, billing, testing and ongoing releases.
Client project
Culture & leisure
A visitor platform connecting mobile apps, editorial content and databases. Custom connectors make attractions, information and digital experiences manageable from a shared administration system.
Own product
Communication & AI
A local web application for structured writing and dialogue workflows with LLM integration. It keeps the working context manageable and streamlines recurring writing and role-based processes.
Own developments
Desktop & productivity
Two lightweight desktop tools simplify everyday work with window snapping and speech-to-text. Native interaction, local processing and low resource use guide the implementation.
Client project
Enterprise
An enterprise knowledge platform with collaborative workspaces and document-based assistance. Architecture and code reviews cover agent orchestration, role-based access, document pipelines and a hardened Azure architecture.
Own product
Gaming infrastructure
A multi-tenant backend platform with a dashboard, self-hosting and SDKs for Unity, Godot and Unreal Engine. APIs, real-time communication, monitoring, documentation and operations form a complete backend product.
Internal platform
AI & developer productivity
A work console for coordinating software development with AI agents. An agent runtime, sandbox and runners support controlled, repeatable development, review and documentation workflows.
Own product
Finance & automation
Transfers finalized Stripe invoices and credit notes into Lexware Office. Encrypted configuration, automated tests and controlled error handling support traceable accounting workflows, with unclear cases held for manual review.
Internal platform
Cloud & operations
A hosting and operations platform for our own and supported systems. Automation, secure access, monitoring and documented runbooks support reliable ongoing operations.
Client project
Mobility & retail
Digital customer and service workflows combining a support portal, status diagnostics, location information and system monitoring. Work includes interfaces, consent management, multilingual content and ongoing maintenance.
Client project
Retail & e-commerce
Product imports and synchronization between Shopware, WooCommerce and other commerce systems. Legacy shop migration, marketplace connections, performance and SEO work reduce manual maintenance in an established commerce environment.
Client project
Packaging industry
A visual sales application for packaging comparisons and CO₂ evaluations. Responsibility covers concept, prototyping, full-stack delivery, server setup and training, followed by monitoring and stabilization of authentication flows.
Client project
Industry & data
A database connector for collecting and processing operational information. A web interface, validation rules and structured handovers support dependable data flows.
Client projects
Retail & ERP
Tools for exports, database migrations, ERP conversion and product imports automate recurring data transfers across established retail systems.
Own developments
Media production
Tools for demo recording, screen capture, automated rough cuts and video output. They make product demos and tutorials repeatable and reduce manual production work.
Own developments
Content production
Workflows for images, scripts, blogs, text-to-speech and multilingual dubbing connect creative production with controlled review and publishing processes.
Own development
Brand & communication
Public websites and microsites present services, brands and creative formats. Shared technical approaches support consistent content and efficient delivery.
Own project
Society & campaigns
A campaign website translates a social issue into a clear, accessible digital presence. Design, implementation and deployment form one focused project.
Own project
Music & storytelling
A creative family project spanning music, characters and video content. Its concept, identity and production material form a reusable content collection.
Own product
Games
An established idle game and guild manager with extensive gameplay and progression systems. Architecture, rendering and development tools are being modernized for the next product generation.
Own product
Games & platforms
A shared game core and several distinct variants reuse architecture, systems and development processes. This supports faster prototyping and consistent ongoing development.
Own developments
Games & learning
Game and learning concepts demonstrate gameplay, shaders, web integration and platform-specific prototypes, ranging from action and construction to learning and cozy mechanics.
Own product
Games & simulation
A browser city builder with its own world, economy and simulation systems. A reusable physics component supports floating objects and environmental interactions.
Client project
Culture & museums
A digital exhibition space where visitors could arrange collection objects and share their exhibitions. A custom server module connects the 3D application to an existing web platform.
Internal tool family
Game development
Tools for packages, scenes, resources, backups and versioning in the Unity editor. A shared toolchain streamlines recurring work across multiple game projects.
Further project experience
Earlier assignments and deeper views of project families above. Start dates describe the documented project phase; they do not imply an ongoing engagement. Search also covers this archive independently of the area filter.
Automotive · Started 01/2025
Optimized a production iOS app with object pooling, faster scroll views and expanded notifications. Investigated client ID and SSL issues, delivered TestFlight builds and advised on architecture.
iOS · C# · Performance Engineering · TestFlight · UX · technisches Consulting
Automotive · Started 11/2024
Designed and implemented a central attachment manager covering metadata, uploads, downloads, previews, renaming, deletion and caching. Prepared permissions, file size handling and API documentation for UI integration.
C#/.NET · WebSocket · API-Design · Berechtigungen · Caching · Dokumentation
Started 02/2024
Extended a published visitor app with usage analytics, a snapshot factory with real-time previews and a voucher-code feature with its own administration interface.
Unity · C#/.NET · Mobile · Data Analysis · WordPress · WebSocket
Started 02/2021
Built a mobile information and navigation app with attractions, audio guides and personal schedules. A WordPress plugin manages content delivered through a custom server and database layer.
Unity · C# · WordPress · PHP · MariaDB · WebSocket · Ubuntu
Started 05/2021
A white-label application for product collections, store locations and offers, with administrable content and visual configuration for different customers.
Unity · C# · MongoDB · WebGL/WASM · WebSocket · UX · Produktkonzeption
B2B · Started 01/2020
Camera-based recognition of checkbox questionnaires with validation, manual correction and automatic score calculation.
iOS · C#/.NET · OpenCV · Unity · Computer Vision · Validierungslogik
Started 06/2022
Led and developed a mobile visitor app with AR, audio guides, events and administrable content. Scope included architecture, servers, databases, networking, encryption, testing, deployment and developer onboarding.
Unity · AR · C#/.NET · MongoDB · PHP · Security · Projektleitung
Industry · Started 10/2023
Added 3D defect comparisons, geometry-linked documentation, defect heatmaps and CAD import to quality management software across desktop, mobile and web.
C#/.NET · 3D · CAD · WebSocket · Cross-Platform · Schulung
Museum · Started 05/2021
A freely navigable WebGL platform where visitors could build exhibitions from digitized collections, arrange objects in a virtual space and share the results.
Unity · WebGL/WASM · C# · MongoDB · WebSocket · 3D-UX
Started 12/2022
Improved scene transitions, image processing and large lists through modular loading, image compression, adjusted data structures and object pooling, followed by training for the development team.
Unity · C# · Profiling · Object Pooling · Performance · Wissenstransfer
Internal research & development
Developed a live mesh cutter for multi-million-polygon geometry with surface closure, alongside CAD-to-mesh import, polygon reduction and editor tools for resources and builds.
Unity · C# · Mesh Processing · CAD · Performance · Editor Tooling
Started 09/2020
Designed and delivered a virtual trade-fair game and browser games explaining products, environmental issues and energy topics across devices.
HTML5 · JavaScript · WebAssembly · Game Design · UX · Projektleitung
Industry · Started 01/2023
Replaced a legacy application with new server and MongoDB architecture, roles, themes, panels, data imports and a cross-platform interface for desktop, mobile and web.
C# · Unity · MongoDB · API · UX · Projektleitung · Schulung
Started 08/2023
Implemented prioritized features for filtering, login, automatic updates, activity tracking and project creation, supported by code reviews, pair programming and team training.
C#/.NET · WebSocket · Softwarearchitektur · Code Review · Pair Programming
Retail · Started 04/2020
Migrated a VB6/VBA legacy system into an integrated solution covering a webshop, dealer portal, Zendesk, 3CX, warehousing, shipping, inventory, warranties, DATEV and automated backups.
JTL-Wawi · C# · REST · MySQL · PHP · WordPress · Legacy-Migration
Commerce · Started 11/2020
A webshop with automatic wholesaler product synchronization and connections to eBay, Rakuten and Hood. Dedicated .NET services replaced legacy synchronization jobs.
WooCommerce · WordPress · C#/.NET · XML · MariaDB · SQLite · Linux
Utilities · Started 02/2020
An interactive web application for water and gas meter readings with plausibility checks. Custom WordPress plugins manage users, meters and database operations.
WordPress · PHP · MongoDB · MySQL · JavaScript · Ubuntu · Datenvalidierung
Commerce · Started 04/2019
Rebuilt a legacy shop with automated CSV imports from manufacturers, eBay integration, custom Magento extensions, server operations, monitoring and backups.
Magento 2 · JavaScript · CSV · Linux/UNIX · Responsive Webdesign · Monitoring
B2B · Started 01/2021
A configurable website builder for virtual trade fairs, combining product stories, staff availability, chat and an administration interface usable without technical expertise.
WordPress · PHP · JavaScript · MariaDB · Ubuntu · Realtime-Kommunikation
Roots and open source
Game development taught us real-time systems, interaction and high technical complexity. Today, that experience mainly goes into horizOn, interactive applications, public SDKs and selected developer tools.
Open source on GitHubPublic horizOn integrations and reusable developer building blocks.
Open-source tools for secure preferences and robust editor workflows.
Products through which we learned product delivery, live operations and user feedback.
Let us use a first conversation to see whether we are a strong professional and personal fit.
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