Web Development That Drives Your Business
Shopware & Symfony expert with over 14 years of experience in professional web development
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About Me
I'm Thomas Wunner – I solve the problems others get stuck on.
As a certified IT specialist for application development with an instructor qualification, I've been building professional web applications for over 14 years – from legacy migrations at Onlineprinters to complex Shopware landscapes at HEPTACOM to custom Symfony architectures. What sets me apart: two of my clients – Einstein Newton and GedankenSchmiede – hired me full-time after successful projects from my small business. Not because I was cheap, but because the results spoke for themselves. Today I work in the small business again, so more companies can benefit from this experience. When I'm not coding, I volunteer as a lifeguard with the Wasserwacht, perform as a DJ, or explore the countryside on my motorbike.
Services
Three packages, tailored to your needs
Maintenance & Support
Reliable care for your existing shop or web application.
- Monthly updates & security patches
- Monitoring & performance checks
- Bug fixing & troubleshooting
- Email support with fast response times
Development
Custom development for your Shopware shop or Symfony application.
- Plugin & module development
- Feature implementation to your specifications
- Shopware customization & theme development
- API integrations & interfaces
- Code reviews & quality assurance
Complete Solution
Full project management from concept to go-live and beyond.
- Technical consulting & architecture
- Complete project development
- Deployment & server configuration
- Training & documentation
- Long-term support & continuous development
Experience & Track Record
The positions that made me the developer I am today
GedankenSchmiede GmbH
03/2024 – 08/2025Responsible for the architecture and development of a comprehensive B2B dealer portal built on Symfony with Doctrine ORM, REST APIs and complex business logic. The consistently high quality of work convinced the client to transition the engagement from freelance to a permanent position.
HEPTACOM GmbH
06/2023 – 02/2024Senior developer for demanding e-commerce projects across multiple clients: conception, new development and targeted extension of their Shopware online shops according to detailed specifications. Successful integration of new systems and functionalities into complex, established shop landscapes.
deejay.de e.K.
07/2022 – 12/2022Development and enhancement of the e-commerce platform for a specialist DJ retailer for vinyl records and equipment, alongside responsibility for the company's in-house server farm across multiple locations. Development of an internal warehouse management tool with extensive interface extensions.
Einstein Newton GmbH
06/2021 – 06/2022Development of the fashion online shop on Shopware 5, co-building a new brand on Shopware 6, plugin migration, ERP integration and SEO optimisation. The compelling results led Einstein Newton to convert the freelance collaboration into a permanent position.
Onlineprinters GmbH
01/2016 – 12/2016Maintenance and development of the internal web-based production system built on Symfony 1.4 with AngularJS, covering the full workflow from order import through print preparation to shipping. Active contribution to the preparation and implementation of the migration to Symfony 2.
Technologies
My core stack for reliable and performant solutions
PHP
Symfony
Shopware
MySQL
Docker
JavaScript
TypeScript
Vue.js
Svelte
Bootstrap
REST APIs
Linux
Composer
Your Project. My Experience. The Right Result.
Over 50 successfully delivered projects. More than 15 satisfied clients. And two companies that hired me full-time based on my freelance work. Whether it's a Shopware shop, Symfony application or complex migration – let's discuss your plans. I respond personally within 24 hours.
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