66 of 66 references and project areas
Mobility sector / Client projectJune 2026 to present
01MY ROLEProject lead, software architect and web developer
As project lead, software architect and web developer, I was responsible for further development and technical support of WordPress websites in the mobility sector, including interfaces, monitoring and migration planning.
ProjectMakers / Own productDecember 2025 to present
02MY ROLEProject lead, product owner, software architect and backend developer
As project lead, product owner, software architect and backend developer, I designed and developed InvoiceSync as a multi-tenant SaaS for controlled transfer of Stripe invoices and credit notes to Lexware Office.
ProjectMakers / Own productCurrent platform generation since June 2025
03MY ROLEProject lead, product owner, software architect and lead developer
As project lead, product owner, software architect and lead developer, I am responsible for the concept, development and operation of horizOn, a backend-as-a-service platform for games and digital products.
ProjectMakers / Own productMarch 2025 to present
04MY ROLEProject lead, product owner, software architect and full-stack developer
As project lead, product owner, software architect and full-stack developer, I am responsible for BodySeasons, from product conception through web and mobile development to quality assurance, releases and technical operations.
ProjectMakers / Internal platformJuly 2023 to present
05MY ROLEProject lead, AI/infrastructure architect and developer
As project lead, AI/infrastructure architect and developer, I built and operated an in-house AI platform for local language models, speech recognition, fine-tuning and document-based knowledge retrieval.
ProjectMakers / Experience across projectsJune 2021 to present
06MY ROLEProject lead, software architect and developer
As project lead, software architect and developer, I am responsible for the use of AI assistants and coding agents in client and internal projects, including architecture decisions, code review and acceptance.
ProjectMakers / Internal projectOctober 2026
07MY ROLEProject lead, product designer, software architect and Swift developer
As project lead, product designer, software architect and Swift developer, I designed and developed a macOS app that brings AI subscriptions, API costs, allowances and local token usage together in a single cost overview.
ProjectMakers / Internal projectOctober 2026
08MY ROLEProject lead, software architect and Swift developer
As project lead, software architect and Swift developer, I developed a macOS application that works entirely locally to migrate Outlook PST archives to MBOX and EML.
ProjectMakers / Internal projectOctober 2026
09MY ROLEProject lead, software architect, Swift developer and UI designer
As project lead, software architect, Swift developer and UI designer, I developed a local audio editor that analyses long recordings and exports them as named individual tracks with metadata.
ProjectMakers / Internal projectOctober 2026
10MY ROLEProject lead, software architect, Swift developer and UI designer
As project lead, software architect, Swift developer and UI designer, I developed a macOS application for comparing technical drawing revisions and transferring inspection characteristics in a controlled process.
ProjectMakers / Internal project2026
11MY ROLEProject lead, software architect and Swift developer
As project lead, software architect and Swift developer, I designed and developed a macOS dictation app with local speech recognition and text entry across applications.
Apleona GmbH / Project phaseMarch 2026
12MY ROLEProject lead, Azure architect, developer and DevOps engineer
As project lead, Azure architect, developer and DevOps engineer, I was responsible for implementing an Azure knowledge application and automating the deployment of containerised workloads for Apleona.
Apleona GmbH / Client projectFebruary 2026 to March 2026
13MY ROLEProject lead, software and Azure architect, lead developer and DevOps engineer
Apleona had an existing AI-assisted prototype of Apleona Intelligence for internal use. I took over the organisation and leadership of further implementation at that stage. Together with the client team, the objective was to develop the application further and bring it to successful completion. The focus was on code quality and maintainability, Azure …
MS Zweiradteile / Client projectJanuary 2025 to February 2026
14MY ROLEProject lead, software architect and e-commerce developer
As project lead, software architect and e-commerce developer, I was responsible for shop migrations, interfaces and marketplace automation at MS Zweiradteile, as well as the technical and visual development of its commerce platform.
Filmpark Babelsberg / Project phaseFebruary 2024 to November 2025
15MY ROLEProject lead, app developer and UI designer
As project lead, app developer and UI designer, I was responsible for further development of the Filmpark Babelsberg app, including tracking, personalised photo designs and voucher code management.
Undisclosed client project / Client projectJanuary 2025 to June 2025
16MY ROLEProject lead, software architect and iOS developer
As project lead, software architect and iOS developer, I took responsibility for further technical development of a production iOS app, focusing on performance, new features and beta releases.
Wipak / Client projectJune 2019 to May 2025
17MY ROLEProject lead, software architect, full-stack developer and trainer
As project lead, software architect, full-stack developer and trainer, I was responsible for developing a sales application for packaging comparisons for Wipak and later maintaining and stabilising the WCONTRIBUTE web app.
Undisclosed client project / Client projectNovember 2024 to December 2024
18MY ROLEProject lead, software architect and backend developer
As project lead, software architect and backend developer, I designed and implemented central attachment and file management for a mobile customer platform in the automotive sector.
Undisclosed client project / Project phaseOctober 2023 to April 2024
19MY ROLEProject lead, software architect, developer and trainer
As project lead, software architect, developer and trainer, I extended existing quality assurance software with cross-platform 3D analysis and geometry-based defect documentation.
Undisclosed client project / Client projectAugust 2023 to November 2023
20MY ROLEProject lead, software architect, developer and trainer
As project lead, software architect, developer and trainer, I took responsibility for implementing prioritised extensions to project management software and transferring knowledge to the internal development team.
Undisclosed client project / Project phaseJanuary 2023 to August 2023
21MY ROLEProject lead, software architect, developer, UI designer and trainer
As project lead, software architect, developer, UI designer and trainer, I led development of new quality assurance software for non-destructive testing and was responsible for the application, server and data storage.
Museum für Sepulkralkultur / Client projectMay 2021 to May 2023
22MY ROLEProject lead, software architect, Unity/backend developer and designer
As project lead, software architect, Unity/backend developer and designer, I designed and developed a WebGL platform for curatable 3D exhibitions for the Museum für Sepulkralkultur.
Insiqht GmbH / Client projectDecember 2022 to January 2023
23MY ROLEProject lead, software architect, Unity developer and trainer
As project lead, software architect, Unity developer and trainer, I took responsibility for analysing and optimising an existing application at Insiqht and subsequently training the development team.
Filmpark Babelsberg / Project phaseJune 2022 to January 2023
24MY ROLEProject lead, software architect, app developer, designer and trainer
As project lead, software architect, app developer, designer and trainer, I led implementation of the mobile AR, navigation and attractions app for Filmpark Babelsberg, from architecture through app and backend development to testing and deployment.
Filmpark Babelsberg / Project phaseFebruary 2021 to May 2022
25MY ROLEProject lead, software architect and app/backend developer
As project lead, software architect and app/backend developer, I connected navigation, audio guides and day planning in the Filmpark Babelsberg app to central editorial content management.
Undisclosed client project / Client projectMay 2021 to December 2021
26MY ROLEProject lead, software architect, developer and designer
As project lead, software architect, developer and designer, I designed and developed a configurable product presentation app that the client could adapt for different end customers.
Undisclosed client / Client projectNovember 2020 to September 2021
27MY ROLEProject lead, developer and trainer
As project lead, developer and trainer, I temporarily took over leadership of an internal development team's project work and combined implementation of two app designs with practical training.
Undisclosed client project / Client projectJanuary 2021 to February 2021
28MY ROLEProject lead, software architect, web developer and designer
As project lead, software architect, web developer and designer, I developed a configurable website builder for virtual trade fairs and showrooms with content management and live communication.
MS Zweiradteile / Client projectNovember 2020 to January 2021
29MY ROLEProject lead, software architect, developer and designer
As project lead, software architect, developer and designer, I implemented the move to WooCommerce and automated product data synchronisation and marketplace integrations for MS Zweiradteile.
SFM-Bikes / Client projectApril 2020 to November 2020
30MY ROLEProject lead, solution architect, developer and trainer
As project lead, solution architect, developer and trainer, I led the consolidation of two ERP systems and a separate warehouse management system into an integrated JTL-Wawi solution for SFM-Bikes.
GROB-WERKE GmbH & Co. KG / PEPE berlin / Client projectDecember 2019 to September 2020
31MY ROLEProject lead, game developer and designer
As project lead, game developer and designer, I created browser games for interactive product communication for GROB-WERKE, as well as three game concepts addressing environmental and energy topics for PEPE berlin.
messtex UG / Client projectFebruary 2020 to March 2020
32MY ROLEProject lead, software architect and web/backend developer
As project lead, software architect and web/backend developer, I implemented a platform for messtex through which end customers could digitally submit water and gas meter readings for validation.
Undisclosed client project / Client projectJanuary 2020 to March 2020
33MY ROLEProject lead, software architect and iOS developer
As project lead, software architect and iOS developer, I developed a camera-based iOS application for automatically capturing and evaluating checkbox questionnaires.
MS Zweiradteile / Client projectApril 2019 to June 2019
34MY ROLEProject lead, software architect and e-commerce developer
As project lead, software architect and e-commerce developer, I built a Magento 2 shop with automatic manufacturer data import and eBay synchronisation for MS Zweiradteile.
ProjectMakers / Internal tool familyDevelopment phase July 2018 to April 2019
35MY ROLEProject lead, software architect and Unity editor developer
As project lead, software architect and Unity editor developer, I developed a family of tools for packages, scenes, assets, backups and build versioning that can be used across projects.
ProjectMakers / Research & developmentPeriod not documented
36MY ROLEProject lead, software architect and Unity developer
As project lead, software architect and Unity developer, I developed algorithms for real-time processing of large 3D geometries, together with the associated import and editor tools.
Undisclosed client projects / Client projectsPeriod not documented
37MY ROLEProject lead, AI developer and integrator
As project lead, AI developer and integrator, I configured several agents in Microsoft Copilot Studio for client companies and integrated them into their workflows through Microsoft Teams.
ProjectMakers / Own productPeriod not documented
38MY ROLEProject lead, product owner, software architect and full-stack developer
As project lead, product owner, software architect and full-stack developer, I developed a local web application that combines structured writing and dialogue workflows with an LLM integration.
ProjectMakers / Internal projectPeriod not documented
39MY ROLEProject lead, product owner, software architect and macOS developer
As project lead, product owner, software architect and macOS developer, I developed MacZones for gesture-controlled window arrangement in user-defined screen zones.
ProjectMakers / Internal platformPeriod not documented
40MY ROLEProject lead, software architect and developer
As project lead, software architect and developer, I designed and developed a local work console for organising and controlling parallel software development with AI agents.
ProjectMakers / Internal platformPeriod not documented
41MY ROLEProject lead, infrastructure architect and operational automation developer
As project lead, infrastructure architect and operational automation developer, I built a hosting and operations platform for internal and supported systems and was responsible for monitoring, access management and recurring operational workflows.
Undisclosed client project / Client projectsPeriod not documented
42MY ROLEProject lead, software architect and integration developer
As project lead, software architect and integration developer, I developed reusable tools for migrating data between shops, marketplaces and ERP systems and validated the transferred data.
ProjectMakers / In-house developmentsPeriod not documented
43MY ROLEProject lead, software developer and media production lead
As project lead, software developer and media production lead, I developed a reproducible pipeline for product demos and tutorials, from recording through automated rough editing to video output.
ProjectMakers / In-house developmentsPeriod not documented
44MY ROLEProject lead, workflow architect and AI developer
As project lead, workflow architect and AI developer, I designed and implemented automated production workflows for images, text, speech synthesis and multilingual dubbing.
ProjectMakers / In-house developmentPeriod not documented
45MY ROLEProject lead, web developer and web designer
As project lead, web developer and web designer, I was responsible for the concept, design and implementation of the ProjectMakers website and supplementary microsites for services and brand communication.
ProjectMakers / Internal projectPeriod not documented
46MY ROLEProject lead, web developer and concept lead
As project lead, web developer and concept lead, I implemented a campaign website about children's rights, from content structure and design through technical delivery.
ProjectMakers / Internal projectPeriod not documented
47MY ROLEProject lead, creative lead and production workflow developer
As project lead, creative lead and production workflow developer, I built an original music, character and video universe, including the brand concept and an AI-assisted content pipeline.
ProjectMakers / Own productPeriod not documented
48MY ROLEProject lead, game architect and Unity developer
As project lead, game architect and Unity developer, I am responsible for further development of an idle and guild management game with gameplay, economy and progression systems.
ProjectMakers / Own productPeriod not documented
49MY ROLEProject lead, framework architect, Unity developer and game designer
As project lead, framework architect, Unity developer and game designer, I developed a modular Unity framework with a shared game core and reusable systems for multiple game variants.
ProjectMakers / In-house developmentsPeriod not documented
50MY ROLEProject lead, game architect and Unity developer
As project lead, game architect and Unity developer, I created several game and learning prototypes to explore different mechanics, rendering techniques and platform integrations.
ProjectMakers / Own productPeriod not documented
51MY ROLEProject lead, game architect and developer
As project lead, game architect and developer, I developed a browser-based city builder with custom economy and simulation logic and a reusable physics component.
ProjectMakers / Internal platformPeriod not documented
52MY ROLEProject lead, monitoring architect and dashboard developer
As project lead, monitoring architect and dashboard developer, I designed and implemented a central infrastructure dashboard for monitoring servers and services.
ProjectMakers / SubprojectPeriod not documented
53MY ROLEProject lead, performance engineer and test developer
As project lead, performance engineer and test developer, I planned and implemented load tests for horizOn and evaluated backend and interface behaviour under load.
ProjectMakers / SubprojectPeriod not documented
54MY ROLEProject lead, developer and security testing lead
As project lead, developer and security testing lead, I carried out security and penetration tests alongside horizOn development and developed custom Python tools for this work.
Internal AWS project / Internal projectPeriod not documented
55MY ROLEProject lead and cloud developer
As project lead and cloud developer, I planned and implemented my own AWS scenarios to explore instances and their behaviour under load.
Cloud Engineering / Client projectPeriod not documented
56MY ROLEProject lead, cloud architect and platform engineer
As project lead, cloud architect and platform engineer, I built an AWS EKS environment with automated provisioning, workload permissions and network and storage integrations.
Cloud Engineering / Client projectPeriod not documented
57MY ROLEProject lead, cloud developer and DevOps engineer
As project lead, cloud developer and DevOps engineer, I implemented automated deployment of a web application on AWS ECS Fargate, including image builds, permissions and release workflows.
Cloud Engineering / Client projectPeriod not documented
58MY ROLEProject lead, cloud architect and infrastructure engineer
As project lead, cloud architect and infrastructure engineer, I built a multi-tier AWS environment with private database connectivity, controlled administration paths and central monitoring.
Automotive and supplier sector / Client projectPeriod not documented
59MY ROLEProject lead, software architect and developer
As project lead, software architect and developer, I implemented features of a multi-tenant customer platform in the automotive and supplier sector, including roles and granular access rights.
ProjectMakers / Internal projectPeriod not documented
60MY ROLEProject lead and solution architect
As project lead and solution architect, I analysed an existing application and integration landscape and developed a target architecture for a business domain.
ProjectMakers / Internal projectPeriod not documented
61MY ROLEProject lead, software architect and backend developer
As project lead, software architect and backend developer, I designed and implemented asynchronous integrations using RabbitMQ and .NET, plus additional task processing with Amazon SQS, AWS Lambda and Kotlin.
ProjectMakers / Internal projectPeriod not documented
62MY ROLEProject lead, software architect and backend developer
As project lead, software architect and backend developer, I was responsible for backend extensions using Java/Spring Boot and NestJS and for integrating external identity verification into a web platform.
ProjectMakers / Internal projectPeriod not documented
63MY ROLEProject lead, AI/software architect and backend developer
As project lead, AI/software architect and backend developer, I implemented an AI-assisted business process with controlled tool calls and migrated a document-based knowledge base to a new operating environment.
ProjectMakers / Internal projectPeriod not documented
64MY ROLEProject lead, data/software architect and developer
As project lead, data/software architect and developer, I implemented a Python data pipeline for operational events and time-series data, together with a procedure for offline deployment of a container application.
ProjectMakers / Internal projectPeriod not documented
65MY ROLEProject lead, test architect and frontend developer
As project lead, test architect and frontend developer, I developed an automated test system for a connected device and a design-to-code workflow for browser-based device interfaces.
ProjectMakers / Internal projectsPeriod not documented
66MY ROLEProject lead, Python developer and trainer
As project lead, Python developer and trainer, I created learning courses, games, a web server, penetration testing tools and custom AI agents, and use Python for testing, automation and model training.