Game Development Programmer

Mission Overview:

Keystone Solutions is seeking a Game Development Programmer for a consultancy mission at a client site. You will play a crucial role in the development of XR simulators designed to train and prepare personnel for a wide range of scenarios. Your expertise in Unity and strong programming skills in C# will be instrumental in creating high-quality, realistic, and effective XR training solutions for critical organizations.

Responsibilities:

• Unity development: Develop, implement, and maintain XR simulator systems and mechanics using Unity and C#, ensuring they meet the specific training and simulation requirements of special forces and the police.
• Coding: Write clean, maintainable, and efficient C# code, and implement debugging and optimization techniques to enhance XR simulator performance for training and simulation.
• Collaboration: Collaborate closely with end users, as well as artists, designers, and fellow programmers to create XR simulators that authentically simulate the situations and challenges they face.
• Game Mechanics: Implement core XR training features, interactive XR elements, and XR scenarios that accurately reflect real-world scenarios encountered by special forces and the police.
• Performance optimization: Identify and resolve issues to ensure smooth and efficient XR training operation across different XR platforms.
• Prototyping: Rapidly prototype and iterate on XR training and simulation features and scenarios to refine the training experience.
• Documentation: Maintain clear and up-to-date documentation of XR code, systems, and processes to facilitate knowledge sharing within the team and with our partners.
• Adaptation: Stay current with industry trends and emerging XR technologies and apply new techniques and tools to improve XR training and simulation development.

Profile:

Knowledge and Experience (Required):

• Bachelor’s degree in computer science, Game Development, or a related field OR multiple years of proven experience in the industry. A comprehensive portfolio showcasing your work is required.

Advantages:

• Previous experience with police services, defense, or other security services.
• Experience with 3D scanning and digital reconstruction (LIDAR, photogrammetry).
• Experience in operational training environments.

Competencies:

• Strong proficiency in C# programming and experience with Unity game development in XR (VR, AR, MR).
• Demonstrated experience in the development of games and/or XR simulators for training and simulation, showcased through a portfolio.
• A solid understanding of game design principles and a passion for creating authentic XR training experiences for special forces and the police.
• Knowledge of XR technologies, physics, mathematics, and algorithms as applied to XR simulator development.
• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment.
• Proficiency in Dutch, French, and/or English.
• Strong communication skills and the ability to work well with special forces and police partners and in cross-functional teams.
• Having worked with 3D scans and the optimization of it is a plus.

At Keystone Solutions, we focus on on-site work and the consultant identity, providing dynamic projects that offer a diversity of challenges across various client environments. Our commitment to turbo-charged learning ensures professional development and broad learning experiences, while our values guide every engagement. If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.

Duration: 15/09/2026 - 31/12/2026 4 months • (full time)

Skills required:

• Coding: Write clean, maintainable, and efficient C# code, and implement debugging and optimization t - Level: Junior - Most recent: Any time
• Documentation: Maintain clear and up-to-date documentation of XR code, systems, and processes to fac - Level: Junior - Most recent: Any time
• Game Mechanics: Implement core XR training features, interactive XR elements, and XR scenarios that - Level: Junior - Most recent: Any time
• Performance Optimization: Identify and resolve issues to ensure smooth and efficient XR training ope - Level: Junior - Most recent: Any time
• Prototyping: Rapidly prototype and iterate on XR training and simulation features and scenarios to r - Level: Junior - Most recent: Any time
• Unity Development: Develop, implement, and maintain XR simulator systems and mechanics using Unity a - Level: Junior - Most recent: Any time

Language requirements:

Dutch
Level Active knowledge
English
Level Active knowledge
French
Level Active knowledge