Middle Frontend Developer / Pixi.js

New
O
OptiplayIGaming
Ukraine. Germany. Slovakia. Cyprus. Poland, start your day anytime between 08:00–12:00 CETFull-TimeMiddle
Salary not disclosed
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Job Details

Languages
Fluency in English
Experience
3+ years of frontend development experience, including at least 1 year building HTML5 slot games
Required Skills
JavascriptTypeScript

Requirements

  • Have 3+ years of frontend development experience.
  • Have at least 1 year of experience building HTML5 slot games.
  • Have shipped multiple titles end-to-end and learned from production cycles.
  • Bring strong expertise with Pixi.js and modern JavaScript/TypeScript.
  • Have a solid understanding of object-oriented programming and asynchronous programming.
  • Understand rendering performance optimization.
  • Have strong knowledge of Spine animations and asset management pipelines.
  • Have experience with or proficiency in Codex and WordCode.
  • Be fluent in English.
  • Nice to have: experience with Howler.js, Web Audio API, or similar game audio tools.
  • Nice to have: experience with build automation, CI/CD pipelines, or process optimization tools.
  • Nice to have: familiarity with iGaming specifics, including RNG logic, platform workflow, and integrations.

Responsibilities

  • Build and ship slot games end-to-end, from initial prototype to production release.
  • Shape frontend architecture and development standards across projects.
  • Make technical decisions, review code, and share expertise with the team.
  • Collaborate with Producers, Artists, and Backend Engineers on integration and performance.
  • Design and implement new features, UI components, and in-game effects.
  • Improve the core framework, build tools, and asset pipelines.
  • Profile performance and debug across desktop, mobile, and WebGL.
  • Document work and share knowledge with the team.
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