Senior Mobile Game Prototyping Engineer (Remote)

YallaPlay; United States; Remote; USD 90,000 - 130,000; Full time

Benefits offered by this job

Remote-first

Generous paid time off

UAE visa sponsorship

Learning resources

Job summary

YallaPlay is seeking an experienced game developer to lead ideas from concept to a complete playable prototype. You’ll define core mechanics, player flows, and a polished mobile UI/UX, while building frontend, game logic, bots, and lightweight backend for multiplayer experiences.

Proficiency in TypeScript/JavaScript, Phaser or PixiJS, and Unity is preferred. You’ll work remotely with a flexible schedule, and opportunities to grow through AI-assisted development tools and rapid prototyping.

Qualifications

• 5+ years of professional game development experience or an exceptional portfolio.
• Portfolio of at least 5 completed playable games, prototypes, or commercial titles.
• Strong programming fundamentals across frontend and backend systems.
• Experience using AI coding agents such as Claude Code, Cursor, or Copilot.
• Ability to work independently from incomplete briefs and make design decisions.
• Strong judgment regarding scope and iteration.

Responsibilities

• Take game ideas from concept to complete playable prototype, owning the process from A to Z.
• Define and iterate on core game mechanics, rules, player flows, and overall gameplay experience.
• Design and implement functional UI/UX for mobile platforms.
• Build frontend, game logic, bots, lightweight backend, and multiplayer functionality.
• Use AI coding agents and AI-assisted development tools to increase development speed.
• Scope ideas down to their smallest testable version to validate hypotheses quickly.
• Run playtests, analyze results, and recommend whether to iterate, progress, or stop.
• Package game rules and technical learnings for handoff to the production team.

Skills

5+ years experience

5+ playable games portfolio

Strong programming fundamentals

AI coding agents experience

Independent work ability

Strong iterative judgment

Tools

TypeScript/JavaScript

Phaser

PixiJS

Unity

Job description

YallaPlay is seeking an experienced game developer to lead ideas from concept to a complete playable prototype. You’ll define core mechanics, player flows, and a polished mobile UI/UX, while building frontend, game logic, bots, and lightweight backend for multiplayer experiences.

Proficiency in TypeScript/JavaScript, Phaser or PixiJS, and Unity is preferred. You’ll work remotely with a flexible schedule, and opportunities to grow through AI-assisted development tools and rapid prototyping.