Freelancer profile translated to English.

Description

I am Sebastian, a trained IT specialist for application development (graduated 2024) with over 7 years of practical professional experience in software development.

My focus is on fast, clean, and reliable solutions – especially where speed is essential. I work remotely from Siegen and am available immediately.

My Core Competencies:

- Unity & C# (Bug Fixing, Character Controller, Features & Mechanics)

- Backend Development with C#/.NET and PHP (Laravel & Symfony)

- Python for Automations and Custom Tools

- 3D Modeling (active since 2018)

- AI-driven Development & Automation (former CTO of an AI startup)

- German ↔ English Translations (native German)

- Proofreading

- Debugging

And more..

I have already worked as a full-time software developer, as a freelancer, and as a co-founder/CTO. This allows me to bring not only technical know-how but also a good understanding of business requirements.

I am particularly strong in modernizing systems, rapid fixes, and developing custom solutions and prototypes. Through the intensive use of modern AI tools, I can implement tasks particularly efficiently and with high quality.

I place great importance on clear communication, adherence to deadlines, and clean, maintainable code.

I am happy to support you with short-term projects as well as long-term developments.

Languages

German
Native or bilingual
English
Fluent
French
Basic
Spanish
Basic

Workplace preferences

Remote only

Primarily works remotely

Vita Machina (R)
Software Developer, Computational Linguist, Designer, AI Tutor, Manager
RESEARCH
January 2018 - Today (8 years and 7 months)
Siegen, Germany
- Conception and development of AI projects of all kinds
- Software development of all kinds
- Development of multi-agent systems for AI-generated natural language systems
- Experiments and research on hardware solutions with integrated AI
- Text-to-Image AI
- Text-to-Video AI
- Image-to-Video AI
- Text-to-Audio/Music AI
- Developing 3D models for various applications.
- Converting 2D sketches into digital 3D surfaces.
- Optimizing 3D models to function within the constraints of specific programs and platforms.
- Optimizing 3D models for use in mobile/web-based applications.
- Creating high-quality 3D models according to specified design criteria. Creating presentation videos for 3D models.
- Conception and development of 3D video games and mods
- Conception, development, and deployment of chatbots for Discord communities (and other platforms)
artificial intelligence 3D modeling Programming Software Development Artificial Intelligence (AI)
os-cillation GmbH
Software Developer
SOFTWARE PUBLISHING
February 2024 - February 2025 (1 year)
Siegen, Germany
- Developing and implementing software solutions.
Fixing software bugs and implementing updates.
- Integrating third-party tools and services into existing systems.
- Designing database structures for efficient data management.
- Performing code reviews to ensure code quality.
- Documenting development processes and software versions.
- Creating scripts for daily maintenance, including indexing and table analysis.
- Creating detailed reports on project specification updates, progress, conflict detection, and team activities. Creating application programming interfaces.
- Modifying existing software systems to improve performance and add new features. Professional and confident demeanor.
- Coordinating, organizing, and implementing tasks.
- Friendly and competent customer interaction.
- Participating in meetings.
- Successful collaboration on projects and tasks.
- Creating automation software for cybersecurity analysis and audits.
Programming Software Development Web Design Web Development Debugging
os-cillation GmbH
IT Specialist Application Development
SOFTWARE PUBLISHING
February 2021 - February 2023 (2 years)
Siegen, Germany
- Testing and debugging programs.
- Creating technical specifications for new programs and systems.
- Managing databases according to company needs.
- Routinely developing and implementing applications.
- Professionally programming software.
- Maintaining, updating, and improving existing systems.
- Documenting software development.
- Independently developing and implementing customer-specific IT solutions.
Web Development Debugging Software Development Web Design Code Review