Freelancer profile translated to English.
Back to original languageAbout Martin
As a Senior Full-Stack Developer with over 10 years of experience, I bring comprehensive expertise in state-of-the-art web development - from React and Node.js to advanced cryptography and AI integration. My passion for software development is evident in over 50 personal projects, ranging from browser games and audio processing to IoT applications.
As an IT security expert and certified BSI IT Grundschutz Practitioner, I combine development competence with in-depth security knowledge. My expertise includes AES/RSA encryption, 2FA systems, ethical hacking, and production-ready DevOps infrastructures with Nginx and Docker.
German
Native or bilingual
English
Fluent
Can work on-site
Berlin (up to 50km)
Experience
- celox.ioSelf-employed Developer & IT ConsultantSOFTWARE PUBLISHINGJanuary 2014 - Today (12 years and 5 months)Berlin, GermanyAs a Senior Full-Stack Developer with over 10 years of experience, I bring comprehensive expertise in state-of-the-art web development - from React and Node.js to advanced cryptography and AI integration. My passion for software development is evident in over 50 personal projects, ranging from browser games and audio processing to IoT applications.As an IT security expert and certified data protection officer and BSI IT Grundschutz Practitioner, I combine development competence with in-depth security knowledge. My expertise includes AES/RSA encryption, 2FA systems, ethical hacking, and production-ready DevOps infrastructures with Nginx and Docker.I am particularly strong in real-time applications, multiplayer gaming systems, audio/video processing, and smart home integrations. My 15+ mastered technologies enable me to realize complex, security-critical projects from conception to productive deployment.
- INTERTEKApplication Developer & Data Protection OfficerAUTOMOBILEApril 2017 - May 2024 (7 years and 1 month)64 Darmstadt, GermanyAs an application developer in the field of Transportation Technologies, I was responsible for the development and maintenance of complex software solutions for the automotive and oil industries.Key Responsibilities:Full-Stack Development: Further development of applications and database connections via REST APIs, management of the complete server infrastructure including web interface (Laravel Framework) and MySQL databaseMobile App Development: Development and maintenance of several Android apps for the automotive sector, including digital logbook, workshop management tool, and database management applications with Java and JavaFXData Analysis & Reporting: Extensive evaluation of measurement data using scripts, conception of analytical data models, and automated status reportsIT Infrastructure: Solely responsible for the server infrastructure and successful migration from Griesheim to Darmstadt in collaboration with the local IT teamData Protection: Central point of contact for all data protection matters and interface to the external data protection service providerHardware Integration: Programming and configuration of vehicle loggers (PEAK, IPEtronik)Technology Stack: Java, Android, JavaFX, Laravel, MySQL, REST APIs, Git
Recommendations
Be the first to recommend Martin
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- BSI IT Grundschutz Practitioner(CloudCommand2025BSI IT-Grundschutz Praktiker
- Data Protection Officer according to GDPR(VOREST AG2019Datenschutzbeauftragter nach DSGVO