Backend API Developer
Smartbroker AG
JavaMicroservicesSpring
Programmer, AI & Behavior – Games
Xsolla
full-time
Posted on:
Location Type: Hybrid
Location: Berlin • 🇩🇪 Germany
Visit company websiteJob Level
Mid-LevelSenior
About the role
- Implement and iterate on gameplay and AI behavior features — including NPC logic, movement, and decision systems — in Unreal Engine 5.
- Integrate AI behaviors with core gameplay systems such as combat, navigation, perception, and interaction.
- Contribute to tool development or debug visualizations to assist in testing and tuning AI behaviors.
- Collaborate closely with designers, animators, and artists to bring gameplay ideas to life and ensure AI behaviors align with design intent.
- Write clean, maintainable C++ and Blueprint code, following established architecture and coding standards.
- Debug and optimize AI and gameplay systems for performance and stability, identifying bottlenecks and proposing practical solutions.
- Communicate effectively with your team — raise risks early, give feedback on design feasibility, and help ensure features ship on time and at high quality.
- Participate in code reviews, playtests, and QA sessions to help maintain consistency and polish across gameplay systems.
Requirements
- 3–5 years of professional game programming experience, with at least one shipped title or major update using Unreal Engine 4 or 5.
- Proficient in C++ and comfortable working in both code and Blueprints for gameplay implementation and iteration.
- Hands-on experience with Unreal’s AI systems — Behavior Trees, Blackboard, AI Controllers, Perception, and Navigation.
- Understanding of common AI architectures: state machines, behavior trees, perception systems, and movement logic.
- Solid understanding of 3D math and linear algebra, especially for movement, spatial reasoning, and targeting.
- Performance-minded developer: able to identify inefficiencies, profile gameplay logic, and optimize where needed.
- Comfortable with source control (Perforce) and collaborative workflows.
- Strong communication skills and ability to work effectively across design, animation, and engineering teams.
- Fluent English communication (written and verbal).
Benefits
- Unlimited Flexible Time Off
- 28 paid holidays each year
- Personalized career roadmap
- In-house training
- Independent study
- Conference attendance
- Higher education opportunities
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
C++BlueprintUnreal Engine 5AI systemsBehavior TreesBlackboardAI ControllersPerceptionNavigation3D math
Soft skills
communicationcollaborationproblem-solvingfeedbackrisk managementteamworkadaptabilityattention to detailcreativitytime management
