Skills
Experience Level
Expert
Expert
Expert
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Expert
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Expert
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Expert
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Expert
Expert
Expert
Expert
Language
German
Fluent
English
Fluent
Work Experience
Android Developer at Learning Machine (self-initiated project)
December 31, 2025 - October 26, 2025Conceptualized, built, and evolved the Learning Machine app using Java/Kotlin, Android Studio, Billing API, Text-to-Speech, SQLite, and Google Play deployment.
Android Developer at Self-employed / Learning Machine project
December 31, 2025 - September 23, 2025Conceptualized, built, and evolved the Learning Machine app using Java/Kotlin, Android Studio, Billing API, Text-to-Speech, SQLite, and Google Play deployment.
Teaching / Web Development Instructor at DCI - Digital Career Institute
August 1, 2025 - PresentTeaching modern web development focusing on full-stack technologies such as JavaScript, Node.js, HTML5, CSS3, React, Express, and MongoDB.
Instructor – Web Development at DCI - Digital Career Institute
August 1, 2025 - PresentTeaching modern web development focusing on full-stack technologies such as JavaScript, Node.js, HTML5, CSS3, React, Express, and MongoDB.
Teaching at DCI - Digital Career Institute
August 1, 2025 - PresentTeaching modern web development focusing on full-stack technologies such as JavaScript, Node.js, HTML5, CSS3, React, Express, and MongoDB.
Teaching - Web Development at DCI Digital Career Institute
August 1, 2025 - PresentTeaching modern web development focusing on full-stack technologies (JavaScript, Node.js, HTML5, CSS3, React, Express, MongoDB).
Freelance Web Developer at First Soft Solutions
March 31, 2025 - October 26, 2025Portfolio Website PHP , responsive Design , multi-language.
Portfolio Website - First Soft Solutions at First Soft Solutions
March 31, 2025 - September 23, 2025Portfolio Website PHP, responsive design, multi-language.
Android Developer at First Soft Solutions
March 1, 2025 - July 29, 2025Conceptualized, built, and evolved the “Learning Machine” app using Java/Kotlin, Android Studio, Billing API, Text-to-Speech, SQLite, and Google Play deployment. Added new features, responsive UI, JSON-driven portfolio website, expanded app features including swiping effects and billing integration. Used Agile methodologies (Scrum/Kanban), version control (Git), Docker/Kubernetes, and rigorous testing (Unit, TDD).
Android Developer at Self-employed / Freelance
January 1, 2025 - September 23, 2025Conceptualized and built the Learning Machine Android app using Java/Kotlin, Android Studio, Billing API, Text-to-Speech, SQLite, and Google Play deployment.
Technical Author at Self-employed
December 31, 2024 - October 26, 2025Wrote Principles of Programming: a Java-centric guide to Clean Code, SOLID, and KISS, complete with hands-on examples.
Software Engineer at Bosch
December 31, 2024 - October 26, 2025Internal Angular 16 web app, SOLID and design patterns, responsive UI.
Portfolio Website Development at First Soft Solutions
December 31, 2024 - September 23, 2025Portfolio website in PHP; responsive design; multi-language.
Internal Angular 16 Web App Developer at Bosch
December 31, 2024 - September 23, 2025Internal Angular 16 web app development; applying SOLID principles and design patterns; responsive UI.
First Soft Solutions at First Soft Solutions
December 31, 2024 - September 23, 2025Portfolio website PHP, responsive design, multi-language support.
Bosch at Bosch
December 31, 2024 - September 23, 2025Internal Angular 16 web app development focusing on SOLID and design patterns and responsive UI.
Technical Author at Self-employed
December 31, 2024 - September 23, 2025Wrote Principles of Programming: a Java-centric guide to Clean Code, SOLID, and KISS, with hands-on examples.
Technical Author at Self-employed
December 31, 2024 - September 23, 2025Wrote Principles of Programming: a Java-centric guide to Clean Code, SOLID, and KISS, with hands-on examples.
Internal Angular 16 Web App / SOLID & Design Patterns at Bosch
December 31, 2024 - September 23, 2025Internal Angular 16 web app, SOLID and design patterns, responsive UI.
Technical Author at Self-employed
December 31, 2024 - July 29, 2025Authored "Principles of Programming", a Java-centric guide to Clean Code, SOLID, and KISS with hands-on examples.
Frontend/Backend Developer at DWS/Morgenfund
December 31, 2023 - October 26, 2025Front-end/back-end enhancements, Azure/MSSQL.
Frontend/Backend Enhancements at DWS/Morgenfund
December 31, 2023 - September 23, 2025Frontend/backend enhancements; Azure/MSSQL integration.
DWS/Morgenfund at DWS/Morgenfund
December 31, 2023 - September 23, 2025Front-end/back-end enhancements, Azure/MSSQL – performance tuning and portal improvements.
Front-end / Back-end Enhancements at DWS/Morgenfund
December 31, 2023 - September 23, 2025Front-end/back-end enhancements, Azure/MSSQL.
Angular Full-Stack Developer at Bosch
January 1, 2023 - January 1, 2024Developed an internal Angular 16 web application; Implemented SOLID principles and design-pattern-based architectures; Built REST APIs and contributed to C# backend modules.
Java / Neo4j GUI Integration at Secodym
December 31, 2022 - October 26, 2025JavaFX GUI, Neo4j graph-database integration , Java/JavaFX.
JavaFX GUI Developer / Neo4j Integration at Secodym
December 31, 2022 - September 23, 2025JavaFX GUI; Neo4j graph-database integration; Java/JavaFX.
Secodym at Secodym
December 31, 2022 - September 23, 2025JavaFX GUI with Neo4j graph-database integration; Java/JavaFX development.
JavaFX GUI / Neo4j Integration at Secodym
December 31, 2022 - September 23, 2025JavaFX GUI, Neo4j graph-database integration, Java/JavaFX.
Java Full-Stack Developer at Secodym
January 1, 2021 - January 1, 2022Developed JavaFX GUI components and integrated Neo4j graph database; Extended web interfaces and REST services.
C# Full-Stack Developer at DWS / Morgenfund
January 1, 2021 - January 1, 2023Enhanced and optimized frontend and backend systems; Improved performance of large-scale SQL datasets; Azure-based services, MSSQL, Natural, C#.
DevOps / WebSphere Specialist at Inverso
December 31, 2020 - October 26, 2025IBM WebSphere DevOps, performance tuning.
IBM WebSphere DevOps / Performance Tuning at Inverso
December 31, 2020 - September 23, 2025DevOps with IBM WebSphere; performance tuning.
Inverso at Inverso
December 31, 2020 - September 23, 2025IBM WebSphere DevOps, performance tuning and modernization tasks.
IBM WebSphere DevOps / Performance Tuning at Inverso
December 31, 2020 - September 23, 2025IBM WebSphere DevOps, performance tuning.
Java Developer / DevOps at Smart InsureTech
December 31, 2018 - October 26, 2025Java/SOAP services, DevOps management.
Java/SOAP Services Developer / DevOps at Smart InsureTech
December 31, 2018 - September 23, 2025Java/SOAP services; DevOps management.
Smart InsureTech at Smart InsureTech
December 31, 2018 - September 23, 2025Java/SOAP services, DevOps management for insurance tech solutions.
Java/SOAP Services / DevOps Management at Smart InsureTech
December 31, 2018 - September 23, 2025Java/SOAP services, DevOps management.
Linux Console Replacement Lead at Flextronics
December 31, 2017 - October 26, 2025Linux-console replacement with AngularJS/Node.js.
Full-stack Developer at Fondsdepotbank
December 31, 2017 - October 26, 2025Full-stack maintenance of financial market portal.
Linux Console Replacement at Flextronics
December 31, 2017 - September 23, 2025Linux-console replacement with AngularJS/Node.js.
Full-Stack Maintenance at Fondsdepotbank
December 31, 2017 - September 23, 2025Full-stack maintenance of financial market portal.
Flextronics at Flextronics
December 31, 2017 - September 23, 2025Linux-console replacement with AngularJS/Node.js; modernization of tooling.
Fondsdepotbank at Fondsdepotbank
December 31, 2017 - September 23, 2025Full-stack maintenance of financial market portal; integrated front-end with back-end services.
Linux-console Replacement with AngularJS/Node.js at Flextronics
December 31, 2017 - September 23, 2025Linux-console replacement with AngularJS/Node.js.
Full-Stack Maintenance of Financial Market Portal at Fondsdepotbank
December 31, 2017 - September 23, 2025Full-stack maintenance of financial market portal.
Java Full-Stack Developer at Smart InsureTech
January 1, 2017 - January 1, 2018Developed new backend services (Java, SOAP, REST); Managed DevOps workflows and optimized performance.
Software Engineer at Continental
December 31, 2016 - October 26, 2025XML-based trigger management, MKS → IMS migration.
XML-based Trigger Management / Migration Specialist at Continental
December 31, 2016 - September 23, 2025XML-based trigger management, MKS → IMS migration.
Continental at Continental (Automotive & Manufacturing)
December 31, 2016 - September 23, 2025XML-based trigger management and MKS to IMS migration activities; contributed to system integration planning.
XML-based Trigger Management / MKS → IMS Migration at Continental
December 31, 2016 - September 23, 2025XML-based trigger management, MKS → IMS migration.
Full-Stack Developer at Flextronics
January 1, 2016 - January 1, 2017Replaced a Linux console application with a modern AngularJS/Node.js web solution; Developed REST APIs and microservices.
Software Engineer / Production Systems at Audi
December 31, 2015 - October 26, 2025Production system planning, performance analysis.
Production System Planning / Performance Analysis at Audi
December 31, 2015 - September 23, 2025Production system planning and performance analysis.
Audi at Audi
December 31, 2015 - September 23, 2025Production system planning and performance analysis; optimization of manufacturing workflows.
Production System Planning / Performance Analysis at Audi
December 31, 2015 - September 23, 2025Production system planning, performance analysis.
Software / HMI Interfaces at BDT
December 31, 2013 - October 26, 2025Touchscreen HMI, PHP/C++ interfaces , Jira/Confluence.
Touchscreen HMI / Interfaces at BDT
December 31, 2013 - September 23, 2025Touchscreen HMI, PHP/C++ interfaces; Jira/Confluence.
BDT at BDT
December 31, 2013 - September 23, 2025Touchscreen HMI, PHP/C++ interfaces; project coordination via Jira/Confluence.
Touchscreen HMI / PHP & C++ Interfaces at BDT
December 31, 2013 - September 23, 2025Touchscreen HMI, PHP/C++ interfaces, Jira/Confluence.
Freelance Full-Stack & Web Developer at Self-employed / Freelance
January 1, 2009 - PresentDelivered end-to-end web solutions across industries. Core responsibilities include API-first design, microservices, containerization, DevOps pipelines, and responsive front-ends.
Freelance Full-Stack & Web Developer at Self-employed / Freelance
January 1, 2009 - PresentDelivered end-to-end web solutions across industries, focusing on API-first design, microservices, containerization, DevOps pipelines, and responsive front-ends.
Freelance Full-Stack & Web Developer at Freelance / Self-employed
January 1, 2009 - PresentDelivered end-to-end web solutions across industries with API-first design, microservices, containerization, DevOps pipelines, and responsive front-ends.
Freelance Full-Stack & Web Developer at Self-employed / Freelance
January 1, 2009 - PresentDelivered end-to-end web solutions across industries with API-first design, microservices, containerization, DevOps pipelines and responsive front-ends.
Freelance Full-Stack & Web Developer at Self-employed
January 1, 2009 - PresentDelivered end-to-end web solutions across industries with core responsibilities including API-first design, microservices, containerization, DevOps pipelines, and responsive front-ends. Worked with companies in automotive and manufacturing (Continental, Audi, Bosch), finance and insurance (DWS/Morgenfund, Inverso, Smart InsureTech, Fondsdepotbank), and technology and services (Flextronics, Secodym, BDT, First Soft Solutions).
Education
Master of Science at Technical University at Freiberg
June 1, 2004 - November 15, 2005Master of Science at Technical University at Freiberg
January 1, 2002 - May 1, 2005Master of Science in Network Computing at Technical University at Freiberg
January 11, 2030 - May 1, 2005Certificate in English Language Proficiency at Language Academy in Fort Lauderdale
January 11, 2030 - May 1, 2007Master of Science in Network Computing at Technical University at Freiberg
January 11, 2030 - May 1, 2005Certificate in English Language Proficiency at Language Academy in Fort Lauderdale
January 11, 2030 - May 1, 2007Master of Science in Network Computing at Technical University at Freiberg
January 11, 2030 - May 1, 2005Certificate in English Language Proficiency at Language Academy in Fort Lauderdale
January 11, 2030 - May 1, 2007Master of Science in Network Computing at Technical University at Freiberg
January 11, 2030 - May 1, 2005Certificate in English Language Proficiency at Language Academy in Fort Lauderdale
January 11, 2030 - May 1, 2007M.Sc. Network Computing at TU Freiberg
January 11, 2030 - January 1, 2005English Language Certificate at Fort Lauderdale
January 11, 2030 - January 1, 2007Qualifications
Certificate in English Language Proficiency
January 11, 2030 - May 1, 2007Principles of Programming: a Java-centric Guide to Clean Code, SOLID, and KISS
January 1, 2024 - September 23, 2025Certificate in English Language Proficiency
January 11, 2030 - May 1, 2007Industry Experience
Manufacturing, Financial Services, Software & Internet, Education, Professional Services, Media & Entertainment
Skills
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