Senior Unreal Engine & C++ Developer (Lumion)

SENIOR UNREAL ENGINE & C++ DEVELOPER (LUMION)

🕹 Game
🧠 Senior
💰 Negotiable
⏰ Full-time
🌎 Remote (Poland) / 👔 Office (Warszawa, Poland 🇵🇱)

🦄 Description
Lumion is building cutting-edge 3D software trusted by leading architects around the world. We operate at the intersection of high-performance code and visual excellence, delivering real-time rendering experiences used in a premium industry.

You will join a compact, high-performing team of 5 developers with direct access to the Product Owner. There are no silos or handoffs — your expertise directly influences both the visual and technical quality of the product. The team combines visual finesse with deep performance optimization at the engine level.

This position is available only for candidates located in Poland.

🚀 Responsibilities
• Design, implement, and optimize real-time rendering features in Unreal Engine 5
• Optimize GPU, CPU, and RAM performance across diverse hardware setups
• Generate geometry in real time
• Collaborate closely with product and design teams to translate visual concepts into technical solutions
• Take ownership of features from concept to deployment
• Participate in code reviews and maintain high code quality standards
• Proactively solve cross-module and architectural challenges

📚 Required Skills
• Strong experience with Unreal Engine 5 and its toolset
• Solid C++ skills, including modern standards (17/20)
• Deep understanding of Blueprint integration and native-to-script architecture
• Experience with Gameplay Framework, Reflection System, and Subsystems
• Knowledge of memory allocation strategies and Garbage Collection
• Multithreading experience (Async, Task Graph)
• Understanding of real-time graphics principles: lighting, materials, post-processing
• Experience with UMG and Slate (C++) for UI development
• Ability to configure .Build.cs / .Target.cs and manage modular plugin architectures
• Profiling skills across Memory, CPU, and GPU using Unreal Insights
• Core networking knowledge: replication, RPCs, state synchronization
• Basic shader proficiency with Material Editor
• Advanced debugging skills (IDE debuggers, memory dumps, ensure/check macros)
• Fluent English for daily communication

👍 Nice to Have
• Experience in Archviz, architecture tools, or CAD software such as SketchUp, Revit, Archicad, or Rhino
• Familiarity with MacOS development

🍪 What we offer
• Fully remote work within Poland
• B2B cooperation model
• No micromanagement — autonomy, responsibility, and real impact
• Direct collaboration with the Product Owner
• Opportunity to work on a highly visible product in a premium industry

🌐 Vacancy link

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