Available to hire
Hi! I’m Maciej Jasielewicz, a Unity-based game and software developer with a track record of delivering mobile and cross-platform experiences from concept to release. I enjoy architecting robust gameplay systems, implementing AI, and collaborating with designers to create engaging player experiences.
In my free time, I work on a project devoted to the mobile market, contribute to open source, and participate in hackathons to sharpen coding and teamwork skills.
Skills
Language
Polish
Fluent
English
Fluent
French
Intermediate
German
Intermediate
Work Experience
NET Backend Developer at Remote
June 20, 2025 - September 11, 2025Maintained the back end of an e-commerce platform in .NET, covering product, order, and payment systems. Implemented REST APIs, Dockerized services, and SQL Server data access. Stack: C#, .NET Core, SQL Server, EF, REST APIs, Docker, Git.
Unity Tutor at Unity University Tutoring (Remote)
August 1, 2025 - PresentRemote tutoring guiding students through game development fundamentals, C# scripting, and performance optimization of Unity projects.
BePlayer University Developer at BePlayer University
June 20, 2023 - September 11, 2025Designed and developed core mechanics for WW2: Bunker Simulator and various mobile games. Implemented enemy AI, shooting systems, and player stats, ensuring responsive and immersive gameplay; collaborated with designers.
Ancient Forge University Developer at Ancient Forge
May 20, 2022 - September 11, 2025Remote developer: developed core gameplay systems for cross-platform release while collaborating with designers. Implemented responsive UI for gamepad and keyboard/mouse; applied design patterns (Observer, Factory, State Machine) to ensure modular code.
Unity Developer at Hotel Galactic
September 20, 2024 - September 11, 2025Developed and maintained core gameplay systems for cross-platform release, collaborated with designers, implemented responsive UI with gamepad and keyboard/mouse input, and optimized performance for low-end Android devices. Worked with Addressables, Shader Graph, Odin, I2 LOC, and DOTween.
Unity Developer at BePlayer
June 20, 2022 - September 11, 2025Designed core mechanics for WW2: Bunker Simulator and various mobile games. Implemented AI, shooting systems, and player stats, ensuring responsive and immersive gameplay, while collaborating with designers.
Backend Developer at Remote – E-commerce Platform
June 20, 2025 - September 11, 2025Maintained the backend of an e-commerce platform; covered product, order, and payments systems. Tech stack included C#, .NET Core, SQL Server, EF, REST APIs, Docker, and Git.
Unity Developer at BePlayer
May 20, 2022 - October 7, 2025Designed and developed core mechanics for WW2: Bunker Simulator and various mobile games. Implemented enemy AI, shooting systems, and player stats, ensuring responsive and immersive gameplay while collaborating with designers.
Back End Developer
June 20, 2025 - October 7, 2025Maintained the back end of an e-commerce platform in .NET, covering product, order and payments systems.
Educational Mobile App Developer at One University
August 20, 2025 - PresentRemote developed an educational mobile app for language learning using Unity. Implemented RESTful API integration for back-end communication. Implemented user interface components, learning modules, and progress tracking. Optimized performance for low-end Android devices.
Back End Developer at Remote
June 20, 2025 - October 7, 2025Maintained the back end of an e-commerce platform in .NET, covering product, order, and payment systems. Tech stack: C#, .NET Core, SQL Server, Entity Framework, REST APIs, Docker, and Git. Built scalable services and collaborated with cross-functional teams to deliver reliable backend functionality.
Unity Developer at BePlayer
May 20, 2022 - October 7, 2025Designed and developed core mechanics for WW2: Bunker Simulator and various mobile games. Implemented enemy AI, shooting systems, and player stats, ensuring responsive and immersive gameplay. Collaborated with designers to polish gameplay.
Unity Developer at Ancient Forge
June 20, 2023 - October 7, 2025Remotely developed core gameplay systems for cross-platform release while collaborating with designers. Implemented responsive UI with full support for gamepad and keyboard/mouse input. Applied Observer, Factory, and State Machine patterns to ensure modular, maintainable code.
Unity Tutor at Kodland
August 20, 2025 - PresentRemotely guiding students through game development fundamentals, scripting in C#, and optimization for performance.
Unity Developer at Ancient Forge
June 20, 2022 - October 24, 2025Developed core gameplay systems for cross-platform release; collaborated with designers; implemented responsive UI for gamepad/keyboard/mouse input. Tech stack included C#, Unity, Android SDK, Xcode, Odin, Swagger, DOTween.
Unity Developer at BePlayer
May 20, 2022 - October 24, 2025Designed and developed core mechanics for WW2: Bunker Simulator and various mobile games. Implemented AI, shooting systems, and player stats; ensured responsive, immersive gameplay while collaborating with designers.
Unity Developer at OneUnity
June 20, 2023 - October 24, 2025Developed an educational mobile app for language learning using Unity. Implemented RESTful API integration, UI learning modules, and progress tracking; optimized performance for low-end Android devices. Stack: C#, Unity, Android SDK, Xcode, CI with Unity Cloud Build, Addressables, Odin, Swagger, DOTween.
Back-End Developer at Net Backend
June 20, 2025 - October 24, 2025Maintained the backend of an e-commerce platform on .NET; covered product, order, and payments systems. Stack: C#, .NET Core, SQL Server, EF, REST APIs, Docker, Git.
Unity Tutor at Kodland
August 20, 2025 - PresentGuiding students through game development fundamentals, scripting in C#, and optimizing projects for performance.
Education
Bachelor of Engineering at Wroclaw University of Science and Technology
October 1, 2017 - February 1, 2021Master of Science in Electrical Engineering at Wroclaw University of Science and Technology
October 20, 2017 - February 20, 2021Bachelor of Engineering in Electronics and Computer Engineering at Wroclaw University of Science and Technology
January 11, 2030 - September 11, 2025Bachelor of Engineering at Wroclaw University of Science and Technology
October 1, 2017 - February 1, 2021Bachelor of Engineering at Wroclaw University of Science and Technology
October 20, 2017 - February 20, 2021Master of Science at Wroclaw University of Science and Technology
January 11, 2030 - October 7, 2025Master of Science at Wroclaw University of Science and Technology
August 20, 2025 - October 24, 2025Bachelor of Engineering at Wroclaw University of Science and Technology
October 1, 2017 - February 1, 2021Qualifications
Industry Experience
Gaming, Software & Internet, Education, Media & Entertainment, Professional Services
Skills
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