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I'm Nassibi Khalil, a Senior Unity Developer with 7+ years of experience building high-performance mobile games. I specialize in C#, Unity architecture, gameplay systems, and UI/UX implementation, and I enjoy turning ideas into scalable, polished experiences. I collaborate with cross-functional teams—designers, artists, and engineers—to ship features that are stable, performant, and delightful for players. I value clean code, performance optimization, and Agile workflows, and I'm always looking for ways to improve live operations, analytics, and player engagement.…I'm Nassibi Khalil, a Senior Unity Developer with 7+ years of experience building high-performance mobile games. I specialize in C#, Unity architecture, gameplay systems, and UI/UX implementation, and I enjoy turning ideas into scalable, polished experiences. I collaborate with cross-functional teams—designers, artists, and engineers—to ship features that are stable, performant, and delightful for players. I value clean code, performance optimization, and Agile workflows, and I'm always looking for ways to improve live operations, analytics, and player engagement.

Nassibi Khalil

Game Developer, Programmer, Game Designer

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I'm Nassibi Khalil, a Senior Unity Developer with 7+ years of experience building high-performance mobile games. I specialize in C#, Unity architecture, gameplay systems, and UI/UX implementation, and I enjoy turning ideas into scalable, polished experiences. I collaborate with cross-functional teams—designers, artists, and engineers—to ship features that are stable, performant, and delightful for players. I value clean code, performance optimization, and Agile workflows, and I'm always looking for ways to improve live operations, analytics, and player engagement.…I'm Nassibi Khalil, a Senior Unity Developer with 7+ years of experience building high-performance mobile games. I specialize in C#, Unity architecture, gameplay systems, and UI/UX implementation, and I enjoy turning ideas into scalable, polished experiences. I collaborate with cross-functional teams—designers, artists, and engineers—to ship features that are stable, performant, and delightful for players. I value clean code, performance optimization, and Agile workflows, and I'm always looking for ways to improve live operations, analytics, and player engagement.

Available to hire

I’m Nassibi Khalil, a Senior Unity Developer with 7+ years of experience building high-performance mobile games. I specialize in C#, Unity architecture, gameplay systems, and UI/UX implementation, and I enjoy turning ideas into scalable, polished experiences. I collaborate with cross-functional teams—designers, artists, and engineers—to ship features that are stable, performant, and delightful for players. I value clean code, performance optimization, and Agile workflows, and I’m always looking for ways to improve live operations, analytics, and player engagement.

Skills

Unity 3D

Android

Animation

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

French

Fluent

Romanian, Moldavian, Moldovan

Fluent

Work Experience

Senior Unity Developer at Last Hit Studio

January 1, 2024 - Present

Delivered gameplay, UI, and performance-focused Unity features across multiple releases. Built Firebase-based systems for progression, monetization, and live operations to support content updates and data-driven tuning. Integrated ads, in-app purchases, analytics, and social SDKs to strengthen monetization and player insight capabilities. Led live operations work, A/B testing, remote configuration, and crash diagnostics to speed up iteration and issue resolution. Collaborated with product, design, backend, and QA teams to ship production-ready features with fewer integration issues.

Senior Unity Developer at Ezecus Studio

April 1, 2021 - December 1, 2023

Developed and maintained Unity 3D games for iOS and Android, leveraging ECS architecture to improve runtime performance and scalability. Optimized memory and CPU usage through profiling, SIMD techniques, and cache optimization, reducing frame drops and improving performance on low-end devices (~20–30%). Implemented and refactored gameplay systems, UI, and visual effects in collaboration with designers, artists, and engineers, ensuring high-quality player experience. Utilized Unity Profiler and debugging tools to identify bottlenecks, reducing crashes and improving overall game stability (~25% fewer runtime issues). Contributed to technical design decisions, code reviews, and system architecture improvements, enhancing code quality and maintainability.

Unity Developer at Idealump

September 1, 2018 - February 1, 2021

Developed and shipped features across multiple Unity mobile games, contributing to gameplay systems, UI, and core functionality within Agile teams. Rapidly prototyped hypercasual game concepts, enabling faster validation and iteration across multiple projects. Improved game stability and performance through bug fixing, profiling, and optimization efforts, reducing runtime issues by an estimated ~15–20%. Collaborated with artists, designers, and developers to integrate optimized assets and deliver polished features on schedule.