Full-Stack Software Engineer - UI/UX - Legacy Modernization + AI
Aktualisiert am 30.12.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 05.01.2026
Verfügbar zu: 60%
davon vor Ort: 10%
Full-Stack
System Architecture
AI Integration
Java
C++
Javascript
Ruby
PHP
Python
Objective-C
Swift
Plattformunabhängigkeit
UI/UX
API Architecture
System Integration
Web Design
SEO
Web Technologies
Qt
Java Swing
Fullstack
German
Muttersprache
English
fluent
Russian
CEFR A1

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2024 - 2025: LLM Integration for Robotics


Customer: Security Robotics GmbH


Tasks:

Integrated multilingual LLM backend for real-time robot interaction, user registration, knowledge access, and interactive entertainment.

2024 - 2025: Web Calendar App


Customer: Security Robotics GmbH


Tasks:

Full-stack, Browser-based scheduling system with authentication, event management, and REST API integration

2024 - 2025: Voice Activity Detection (VAD) / Noise Cancellation


Customer: Security Robotics GmbH


Tasks:

Real-time audio processing and Noise Cancellation in Python / C/C++ / Javascript


Skills:

Python, C/C++, Javascript

2023 - 2025: Real-time Video Surveillance Platform


Customer: CIBORIUS Security & Service Solutions Berlin GmbH


Tasks:

High-throughput Streaming, Signaling; WebRTC/MSE/HLS Video Player

2015 - 2025: UI/UX, Web Development & SEO/GEO/Marketing Projects


Customer: various


Tasks:

Built and delivered custom web solutions for various clients

2003 - 2025: Cross-Platform CRM / BiPRO 420/430/440 Integration / Insurance Software


Customer: Inveda. net GmbH


Tasks:

Built and evolved cross-platform software core (Java/C/C++/PHP/Web) for business integration solutions and implementing full BiPRO-compliant interfaces for insurance applications and tariff comparison

Aus- und Weiterbildung

Aus- und Weiterbildung

1999 - 2002

Apprenticeship: IT Specialist (Application Development)

MeTechnology GmbH - Brokat Technologies - Encorus Technologies, Germany


Key Focus:

  • Apprenticeship pathway across three local companies
  • Trained in software development, system design, and business integration.
  • Early exposure to C/C++, Java, and networked systems.


1994 - 1999

Secondary School Certificate, Germany

Kompetenzen

Kompetenzen

Top-Skills

Full-Stack System Architecture AI Integration Java C++ Javascript Ruby PHP Python Objective-C Swift Plattformunabhängigkeit UI/UX API Architecture System Integration Web Design SEO Web Technologies Qt Java Swing Fullstack

Produkte / Standards / Erfahrungen / Methoden

Technology

  • Javascript/Typescript
  • C/C++
  • Java (Swing,Spring, Spring Boot,Maven)
  • Python
  • PHP
  • Ruby
  • SQL
  • XML
  • JSON
  • iOS
  • Android
  • macOS
  • Windows
  • CI/CD pipelines
  • LLM/AI
  • CV / Audio DSP


Work Experience

2015 - 2025

Place of Work: Remote and On-Site

Role: Full Stack Software Engineer, Freelance

Customer: various


Tasks:

Delivered custom frontend/backend software solutions for various clients


2003 - 2025

Role: Software Engineer, Senior Engineer, Software Architect 

Customer: Inveda. net GmbH, Germany


Tasks:

  • Hands-on Full-Stack engineer developing cross-platform desktop and server applications
  • Insurance & Tariff Comparison Core / BiPRO Integration / Data Synchronisation
  • system-near C/C++ for Desktop integration & low-level modules
  • Architected & maintained system generating HTML/CSS/JS frontends & proprietary desktop markup
  • Mentored junior engineers, conducted code reviews, introduced CI/CD
  • Modernization and integration of legacy systems


2002 - 2003

Role: Software Engineer 

Customer: Encorus Technologies, Leipzig, Germany


Tasks:

  • Developed core modules for mobile payment solutions using C/C++
  • collaborated in cross-functional teams on product releases

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2024 - 2025: LLM Integration for Robotics


Customer: Security Robotics GmbH


Tasks:

Integrated multilingual LLM backend for real-time robot interaction, user registration, knowledge access, and interactive entertainment.

2024 - 2025: Web Calendar App


Customer: Security Robotics GmbH


Tasks:

Full-stack, Browser-based scheduling system with authentication, event management, and REST API integration

2024 - 2025: Voice Activity Detection (VAD) / Noise Cancellation


Customer: Security Robotics GmbH


Tasks:

Real-time audio processing and Noise Cancellation in Python / C/C++ / Javascript


Skills:

Python, C/C++, Javascript

2023 - 2025: Real-time Video Surveillance Platform


Customer: CIBORIUS Security & Service Solutions Berlin GmbH


Tasks:

High-throughput Streaming, Signaling; WebRTC/MSE/HLS Video Player

2015 - 2025: UI/UX, Web Development & SEO/GEO/Marketing Projects


Customer: various


Tasks:

Built and delivered custom web solutions for various clients

2003 - 2025: Cross-Platform CRM / BiPRO 420/430/440 Integration / Insurance Software


Customer: Inveda. net GmbH


Tasks:

Built and evolved cross-platform software core (Java/C/C++/PHP/Web) for business integration solutions and implementing full BiPRO-compliant interfaces for insurance applications and tariff comparison

Aus- und Weiterbildung

Aus- und Weiterbildung

1999 - 2002

Apprenticeship: IT Specialist (Application Development)

MeTechnology GmbH - Brokat Technologies - Encorus Technologies, Germany


Key Focus:

  • Apprenticeship pathway across three local companies
  • Trained in software development, system design, and business integration.
  • Early exposure to C/C++, Java, and networked systems.


1994 - 1999

Secondary School Certificate, Germany

Kompetenzen

Kompetenzen

Top-Skills

Full-Stack System Architecture AI Integration Java C++ Javascript Ruby PHP Python Objective-C Swift Plattformunabhängigkeit UI/UX API Architecture System Integration Web Design SEO Web Technologies Qt Java Swing Fullstack

Produkte / Standards / Erfahrungen / Methoden

Technology

  • Javascript/Typescript
  • C/C++
  • Java (Swing,Spring, Spring Boot,Maven)
  • Python
  • PHP
  • Ruby
  • SQL
  • XML
  • JSON
  • iOS
  • Android
  • macOS
  • Windows
  • CI/CD pipelines
  • LLM/AI
  • CV / Audio DSP


Work Experience

2015 - 2025

Place of Work: Remote and On-Site

Role: Full Stack Software Engineer, Freelance

Customer: various


Tasks:

Delivered custom frontend/backend software solutions for various clients


2003 - 2025

Role: Software Engineer, Senior Engineer, Software Architect 

Customer: Inveda. net GmbH, Germany


Tasks:

  • Hands-on Full-Stack engineer developing cross-platform desktop and server applications
  • Insurance & Tariff Comparison Core / BiPRO Integration / Data Synchronisation
  • system-near C/C++ for Desktop integration & low-level modules
  • Architected & maintained system generating HTML/CSS/JS frontends & proprietary desktop markup
  • Mentored junior engineers, conducted code reviews, introduced CI/CD
  • Modernization and integration of legacy systems


2002 - 2003

Role: Software Engineer 

Customer: Encorus Technologies, Leipzig, Germany


Tasks:

  • Developed core modules for mobile payment solutions using C/C++
  • collaborated in cross-functional teams on product releases

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