Freelancer profile translated to English.
Back to original languageAbout Martin
10+ years of experience in developing high-performance, data protection-compliant systems with a focus on sustainable, collaborative partnerships.
Areas of Expertise:
- Backend Development
- Automation & Scripting
- Interface Integration
- Web Portals & Data Platforms
- System Architecture and Integration
I combine in-depth technical know-how with a structured work style. I approach complex requirements with patience, clarity, and a solution-oriented mindset.
German
Native or bilingual
English
Conversational
Can work on-site
Chemnitz (up to 50km)
Experience
- GreenscaleBackend Developer and Data Architect - formerly Co-founder, now Sole ProprietorDIGITAL AND ITNovember 2015 - Today (10 years and 7 months)Chemnitz, GermanySpecializing in custom web solutions with a focus on backend development, API design, automation, and data-driven systems – including statistics & data analysis.Projects:
- Applicant portal for surveyors in traffic planning: Mapping the application process, extensive data migration, custom development with PHP/MySQL, JavaScript, and proprietary framework
- Regional job portal for specialists: high-performance, data protection-compliant, accessible, mass mailing function – development with PHP/MySQL, JavaScript, and proprietary framework
- Management tool for events of a welfare association: Mapping processes including confirmation logic – PHP/MySQL, TypeScript
- Integration of digital signatures into Nextcloud: Solution for electronic board resolutions of a municipal association
- Further development, maintenance, and bug fixing for client projects of a supported agency based on Contao, Typo3, Joomla
- TU ChemnitzResearch Assistant in E-LearningRESEARCHMay 2019 - March 2022 (2 years and 10 months)Chemnitz, Germany
- Participation in the BMBF-funded project tech4comp for personalized competence development through scalable mentoring processes, development of prototypes with integration into OPAL (E-Learning Platform)
- Further development of the assessment center used at the professorship, mapping administrative processes for supervised students, technologies: Python Django, JavaScript, and PostgreSQL
- Haus E | alltag &andersFreelance Web Development for a Communications AgencyDIGITAL AND ITApril 2018 - December 2020 (2 years and 8 months)Chemnitz, Germany
- Technical lead in the co-development of a job portal for event jobs with applicant management, based on PHP with REST API; implementation of a mass mailing tool and cleanup of undeliverable recipients
- Consulting on and participation in various websites and implementation of custom extensions based on Contao, Typo3, and Joomla
- Consulting on internal IT infrastructure and web hosting solutions
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Education
- M. Sc. Computer ScienceTU Chemnitz2019Nebenfach: BWL – Masterarbeit "Entwicklung einer RAD-Plattform im Kontext verteilter Systeme"
- B. Sc. Business InformaticsTU Chemnitz2014Bachelorarbeit "Entwicklung eines Konzepts für Adaptives Caching im Kontext verteilter Informationssysteme"