Frontend Game Client Engineer - Slots & UI

Push Gaming; Warszawa; On-site; PLN 120,000 - 180,000; Full time

Job summary

Push Gaming is seeking a mid-level Game Client Developer to implement and maintain the front-end of slot titles on the studio's shared framework. You will work across new titles and reskins, ensuring performance and stability.

With 2+ years in client-side game development, you will handle features end-to-end, collaborating with designers, artists, and QA to deliver polished experiences on desktop and mobile.

Qualifications

• 2+ years of professional experience in client-side game development.
• Strong proficiency in JavaScript/TypeScript; experience with a game engine/framework (PixiJS, Phaser, Unity).
• Object-oriented programming and design patterns; debugging, performance optimisation, and Git.
• Good grasp of game architecture, UI implementation, and asset integration; comfortable building on a shared codebase.
• Strong problem-solving skills and attention to detail; effective collaboration on cross-functional teams.
• Experience with slot or iGaming development is desirable; familiarity with atlas/spritesheet pipelines is a plus.

Responsibilities

• Develop, maintain, and optimise front-end game features, UI elements, and visual effects on the shared framework and game template.
• Implement game logic within the engine/framework; the client renders an outcome determined by the server.
• Build clones and reskins as thin overlays over their family base without changing the base contract.
• Debug, test, and resolve client-side issues across devices and platforms; coordinate with QA, artists, designers.
• Participate in peer review; contribute to reusable components and tooling; raise needs via framework intake routes.
• Maintain rendering literacy: draw calls, sprite batching, texture atlases.
• Follow coding standards, version control practices, and the team's development workflow; deliver against roadmap.

Skills

JavaScript/TypeScript

Git

Problem-solving

Tools

PixiJS

Phaser

Unity

Job description

Push Gaming is seeking a mid-level Game Client Developer to implement and maintain the front-end of slot titles on the studio's shared framework. You will work across new titles and reskins, ensuring performance and stability.

With 2+ years in client-side game development, you will handle features end-to-end, collaborating with designers, artists, and QA to deliver polished experiences on desktop and mobile.