Boost Performance.
Fix Bugs.
Ship Games.
10+ years of Unity/C# experience, proven by award-winning shipped titles and console ports.
Hands-on support from day one — I do the work personally.
Expert C# Services for Unity, Godot, and Custom Engines
Performance Optimization
Diagnose and remove CPU/GPU bottlenecks for stable framerate, faster loads, and lower memory.
- Profiling and frame-time analysis
- Memory usage reduction and leaks
- Rendering and batching improvements
- Data‑oriented refactors (Burst/Jobs/ECS where useful)
Custom Editor Tooling
Tailored tools that speed up common tasks, prevent mistakes, and make teams happier.
- Unity Editor extensions and inspectors
- Godot Editor plugins and utilities
- Custom CLI tooling that integrates with your game
- Automated fixers, validators, and reports
Automation & Pipelines
Less repetition, fewer regressions. Build, test, and ship with confidence.
- Automated builds & release packaging
- Asset import & processing pipelines
- Compile & iteration time optimization
- Cross-platform build support (Desktop/Mobile/Switch)
Architecture Audit & Improvements
Pragmatic guidance on OOP vs ECS, module boundaries, and maintainable patterns.
- Codebase review and risk assessment
- Refactor plans aligned with milestones
- Design patterns that fit your team
- Mentoring and pair‑refactoring sessions
How Engagements Work
Initial Contact
Quick overview of goals, constraints, and timeline.
Discovery Call
Focused technical review to outline the fastest path to impact.
Proposal & Contract
Clear scope, cadence, and deliverables — no surprises.
Immediate Impact
Hands-on fixes, tools, and optimizations — value from week one.
Why Choose Me?
I'm Konstantin Kopka, a German-born, Japan-based game developer with deep C# experience across engines and platforms.
I like pragmatic solutions: profile first, fix what matters, and ship improvements with minimal disruption. I work directly with your team and tailor the approach to your codebase and deadlines.
Proven Optimization Track Record
From broken builds to stable frame rates — measured gains from profiling‑driven work.
Workflow‑Accelerating Tools
Editor tooling and automation that reduce repetitive work and prevent regressions.
Clear, Calm and Multilingual Collaboration
Transparent plans, thoughtful code reviews, and mentoring when desired. English, German and Japanese available.
Need Senior C# Help On Your Game?
Let's set up a practical plan for improvements that help you ship faster.
Let's Talk About Your Project
Get in Touch
Technical Inquiries
[email protected]I'll personally get back to you as soon as possible, usually within 24 hours.