Junior Java/Typescript/Game Developer (k)

Junior Java / TypeScript Game Developer
TJHelpers builds strong engineering teams through mentorship, real project experience, and our “Helpers as a Service” model.
We are looking for a Junior Developer to join our team at our Kyiv office near Odeska Square and work on an international gambling / iGaming project.
About the Project
You will develop and maintain HTML5 slot games for a major international entertainment provider, using PixiJS and WebGL. Features include reels, spin mechanics, win animations, Spine animations, and visual effects.
You will work alongside a team lead, a mentor, and fellow developers.

Responsibilities

Develop HTML5 slot game features using TypeScript and Java.
Work with PixiJS/WebGL game mechanics, visual effects, and Spine animations.
Investigate and fix bugs based on Jira tasks.
Optimize rendering performance and memory usage using Chrome DevTools and profiling tools.
Test games on desktop and mobile devices, including iOS.
Use Git and pull requests, and participate in code reviews.
Coordinate task progress, estimates, and priorities with your team lead and mentor.

Requirements

Knowledge of Java and TypeScript.
Understanding of OOP and basic data structures.
Basic knowledge of Canvas/WebGL or a willingness to learn.
Familiarity with Git and pull requests.
English sufficient to read technical documentation and Jira tasks.
Attention to detail and willingness to work with a large, existing codebase.
Interest in Game Development / Graphics Development.

Nice to Have

Experience with PixiJS, Cocos2d, Phaser, or similar frameworks.
Familiarity with Spine or GSAP.
Experience with web or game performance optimization and an understanding of garbage collection.
Familiarity with Jira and Agile workflows.
Personal or academic projects involving Java, TypeScript, or game development.
Technology Stack & Tools
TypeScript, Java, PixiJS, WebGL, Spine / pixi-spine, Chrome DevTools, BrowserStack, Git, Jira, Confluence, Google Docs.

We Offer

An office-based role on an international iGaming project.
Mentorship and structured onboarding.
Real production tasks from your first weeks.
Growth in Game Development / Graphics Development, with increasing responsibility as your skills develop.