Senior Unity Developer (Infra team)

Papaya is one of the world's fastest-growing mobile game companies, providing entertainment for millions of users across multiple apps.

The company is headquartered in the heart of Tel Aviv. We are looking for a sharp and passionate Unity Developer to join our top-notch Infrastructure Team. Using your technical skills, your mission will be to tell the story behind the numbers, understand how players interact with our games, and leverage our data to propose new ideas that you’ll then see implemented.

Requirements:

5+ years of experience working as a Unity Developer.
Deep knowledge of Unity engine internals, including:
Asset loading & memory management
Rendering pipeline & optimization
Scene management & runtime architecture
Multithreading & async tasks
Asset bundle pipeline
Hands-on experience with profiling tools (Unity Profiler, RenderDoc, Instruments, etc.).
Experience building or maintaining internal frameworks, SDKs, or reusable client-side modules.
Experience developing and deploying on iOS and Android
Experience with API/REST communications

Responsibilities:

Build clean, scalable architecture to support fast iteration and long-term performance.
Collaborate with backend engineers to develop full-stack experiences with server communication.
Ensure high-quality, bug-free gameplay for millions of new players.
Participate in planning, design, and continuous improvement alongside a cross-functional team.
Full ownership and delivering features from a-z.
Work on long retention meta features.
Optimizing the game for the best performance on all supported devices.
Make sure the games maintain excellent performance and a great user experience.
Drive performance optimization efforts—profiling, identifying bottlenecks, and improving CPU/GPU
Develop tools, automation, and internal utilities to improve developer workflows and efficiency.
Architect and maintain core frameworks, including data pipelines, runtime systems, event handling, resource management, and platform abstraction layers.
Have experience with CI/CD process, building Unity for Android and iOS, and Asset bundles.