Freelancer profile translated to English.
Back to original languageAbout Julian
Since 2019, I have been developing scalable client-server architectures based on Unity (C#), including my own Reliable UDP network library, matchmaking systems, and high-performance backend infrastructure with MongoDB and Ubuntu deployment.
As a co-founder of Serigami Games, I combine deep technical expertise with product thinking: I think not only in features but in sustainable systems, maintainability, and scalability. In addition to technical architecture, I bring experience in game design, visual concepts, team leadership, and funding and pitching processes.
I work in a structured manner according to agile methods (SCRUM), take responsibility for architectural decisions, and support teams in building stable, future-proof systems.
Focus Areas:
- Multiplayer & Client-Server Architectures
- Custom Networking (Reliable UDP)
- Matchmaking & Backend Systems
- Unity System Architecture (Scriptable Objects, Addressables)
- Deployment & Server Infrastructure (Ubuntu)
- Technical Conception
German
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- diva-e Digital Value Excellence GmbHInternship as Backend DeveloperSOFTWARE PUBLISHINGMarch 2019 - September 2019 (6 months)Karlsruhe, GermanyBackend Developer - Development of a CMS system for BOSCHAs part of my internship as a Backend Developer, I was involved in the development of a Content Management System (CMS) for Robert Bosch GmbH. The project was organized in an agile team of 9 people and implemented in 4-week SCRUM sprints.My responsibilities included backend development with Kotlin. Additionally, I independently conceptualized and implemented automated web tests with Cypress (Javascript) to ensure the long-term quality and stability of the application. In addition to the technical implementation, participation in sprint planning, reviews, and retrospectives, as well as close coordination within the interdisciplinary team, were part of my responsibilities.Technologies:Kotlin, Javascript, Automated Web Tests with Cypress, SCRUM
- Serigami Games GbR (Später GmbH)Lead Developer · System Architect · Game Designer · Co-FounderVIDEO GAMES AND ANIMATIONSeptember 2019 - Today (6 years and 11 months)Full-Stack Unity Developer (Client, Server & DevOps)Architecture of complex multiplayer systems & Serious GamesStartup & Team Lead ExperienceTechnologies:Unity, C#, .NET, MongoDB, Ubuntu Server, Reliable UDP, SCRUMTechnical Architecture & Backend
- Conception and implementation of a high-performance Reliable UDP network library in C# as the basis for the client-server architecture
- Architecture design and implementation of the complete server & client structure
- Development and integration of a MongoDB interface
- Implementation of a server- and client-side localization system
- Conception of scalable backend systems for multiplayer logic and persistence
- Moderation and documentation of central architectural decisions
- Development of a custom matchmaking and lobby system
DevOps & Deployment- Development of a deployment system for Ubuntu servers directly from Unity
- Structuring of build and release processes
- Server configuration and backend rollout
- Version management and technical maintenance strategy
Unity Architecture & Engineering- Building a modular Scriptable Object-based architecture
- Use of Addressables for efficient asset management
- Structured system architecture for maintainability and scalability
- Performance optimization and refactoring of complex systems
Game Design & Visual Concept- Conception and implementation of the game design for a novel game mechanic
- Development of the overall visual concept
- Creation of animations within Unity
- Close integration of gameplay mechanics and backend logic
- Iterative further development through structured user feedback integration
Team & Leadership- Work according to SCRUM in 2-week sprints
- Coordination & management of an interdisciplinary 4-person team
- Planning & moderation of technical architectural decisions
- Onboarding and technical guidance of Game Artists
- Interface between technology, design, and business
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Education
- Master of Science - MS, Computer ScienceHochschule Worms2023Mobile Computing Abschlussnote: 1.4
- Bachelor of Science - BSHochschule Worms2020Angewandte Informatik Abschlussnote: 1.8