Martin S. - TallyUp

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Merchweiler, Germany

Experience

Jan 2024 - Dec 2024

1 year

TallyUp

Gerd Thom GmbH

UI optimization of the Android-based POS software "TallyUp".
After analyzing the existing interface and collecting user feedback, I developed new designs and features and implemented them with Angular and Ionic.
Skills used: TypeScript, Angular, Ionic, chart.js, UI design, consulting.

Jan 2024 - Dec 2024

1 year

AI Image-Service

Keine Angabe / NDA

Developed an AI-powered image generation service that can be integrated into the client's website via a WordPress plugin.
This tool uses a short questionnaire to generate personalized images that can be shared on social media platforms.
Skills used: software architecture, OpenAI API, WordPress plugin, Node.js, Docker, Redis, Socket.io.

Jan 2024 - Dec 2024

1 year

Order Export

Keine Angabe / NDA

Developed a Shopware 6 plugin that exports qualified orders based on customer-defined criteria and converts them into a predefined format.
Skills used: PHP, Symfony, Shopware 6, Shopware plugin development.

Jan 2023 - Dec 2023

1 year

Claims Platform

MachDigital GmbH

Supported the frontend and UX team at MachDigital GmbH (a joint venture of HDI Deutschland AG and Neodigital Versicherung AG) in redesigning the digital claims platform.
Skills used: Angular, TypeScript, consulting, UI design, usability testing.

Jan 2022 - Dec 2022

1 year

KIM – Compact Property Valuation

Kröll & Haack GmbH

Worked closely with the development team at Kröll & Haack GmbH to build a frontend for a new use case of the K.IM software.
Skills used: TypeScript, Angular, Bootstrap, consulting.

Aug 2021 - Present

4 years 2 months

Merchweiler, Germany

Managing Director & Freelancer

Aptex UG

Managing director of Aptex UG — #wirmachensoftware
Full-time freelance developer specializing in frontend architecture, fullstack MVP development for startups and SMEs, as well as WordPress and Shopware.

Aug 2021 - Apr 2023

1 year 9 months

Frontend Architect

Neodigital Versicherung AG

Worked on introducing UX-driven processes
Provided technical leadership for the frontend team
Conducted regular code reviews
Defined and promoted best practices
Supported the continuous development of the team's skills
Managed communication between project management and development
Frontend development with Angular, HTML, SCSS, Formly
Defined a new modular frontend architecture (Domain Driven Design, Nx)
Helped build a design system based on PrimeNG and Storybook
Created mockups and prototypes, and developed UI and UX concepts in Figma
Conducted usability tests and internal UX workshops

Dec 2017 - Jul 2021

3 years 8 months

Eppelborn, Germany

Frontend Developer

Krämer IT Solutions GmbH / Server-Eye

Designed, planned, and implemented web interfaces for new features
Restructured and modernized existing web interfaces
Maintained, updated, and fixed bugs in web applications
Analyzed user interactions using Matomo
Reviewed and evaluated different frontend architectures for future modernization
Built a prototype of a new frontend architecture (framework-agnostic micro-frontend with webpack module federation)
Onboarded new team members
Created a custom design system to define the UI standard for the applications

Sep 2014 - Nov 2017

3 years 3 months

Völklingen, Germany

Fullstack Web Developer

Marketing Kommunikation Thom UG

Implemented custom shop solutions with WooCommerce based on client needs
Developed complex e-commerce systems using Magento 1, Gambio, or Shopware 5
Sole developer responsible for complete project implementations
Trained clients on CMS/shop solutions and applications

Sep 2012 - May 2021

8 years 9 months

Part-time Freelance Developer

Self-employed

IT consulting
Web development
Software development (frontend, backend, fullstack)
E-commerce solutions
Logo & print design
Marketing

Summary

As an experienced freelance fullstack developer, I specialize in frontend architecture with Angular, as well as WordPress, Shopware 6, and Laravel. My expertise includes building scalable web applications, optimizing page speed, and efficiently delivering fullstack MVPs.

With over a decade of experience, I have successfully completed numerous complex projects. I place strong emphasis on clean, maintainable code and current best practices.

Always motivated to expand my skills, I continuously seek new challenges.