Frontend Game Developer (Phaser.JS)

About Jackpot Technologies

Jackpot Technologies is a fast-growing company in the online gaming sector. We operate jackpot.studio, our B2B games division that builds in-house games and licenses them to casino operators globally. Our portfolio includes classics like Dice, Blackjack, and Plinko, and originals like Top Dollar, Dr Pump, and Cases. We are a small, agile team that moves quickly and takes real pride in our work. Every game that ships carries our name, which means craft and follow-through are paramount.

The role

Casino games live or die on feel, and in the browser, feel is everything. You will build real games in Phaser.js, from the core loop and the reels to the win sequences, the particle FX, and the exact moment a payout lands. These are web games we license to operators worldwide, so they have to load fast, run buttery smooth on every device, hold a rock-solid 60fps, and feel as good as anything in the app stores, without ever leaving the browser. You will care as much about timing, easing, and draw calls, as you do about clean code. A win should feel like a win.

What you will do

• Build casino games end to end in Phaser.js and TypeScript: game loop, rendering, state, math integration, and UI.
• Bring mechanics to life with precise timing and feel, from slot reels and multiplier curves to card, dice, and wheel games.
• Build the juice: win animations, particle FX, screen transitions, and big-win celebrations, using Phaser’s animation and particle systems alongside custom shaders where needed.
• Integrate game math, RNG, and real-time outcomes from our backend, with deterministic, verifiable results.
• Hit 60fps on a wide range of devices, from low-end Android browsers to desktop. Profile render performance, eliminate draw call and texture bottlenecks, and optimize asset loading and bundle size.
• Implement responsive layouts across portrait and landscape, phone, tablet, and desktop, with multi-language and multi-currency support.
• Drive custom rendering with WebGL shaders or Pixi-level techniques when the standard Phaser toolkit is not enough.
• Partner with artists, animators, designers, and backend so each game ships as one polished piece.
• Build reusable systems and a shared game framework so the next title ships faster.

What you will bring

• 3+ years building production web games or interactive web apps, with strong Phaser.js and TypeScript depth and titles you have shipped live.
• A strong grasp of game loops, frame timing, and rendering performance in the browser.
• Hands-on experience with Phaser’s scene, sprite, tween, and particle systems, plus comfort dropping into raw WebGL or shaders when needed.
• Animation chops: Phaser tweens and timelines, spine or skeletal animation a plus, sound-synced FX a plus.
• Solid architecture and state management that scales across many titles, built for fast reuse rather than one-off builds.
• Performance profiling in Chrome DevTools, and a clear sense of how to keep load times and memory footprint low on constrained devices.
• Real-time integration: websockets, deterministic outcomes, and graceful reconnection.
• A real respect for timing. You can explain why your 18-frame easing feels better than the 12-frame version.
• Fluent with modern AI coding tools (Copilot, Claude, Cursor) in your daily workflow. You use them to move faster without sacrificing quality or control.
• A fast, reliable production cadence. You plan your work, hit your dates, and do not leave messes for the next person.

Bonus points

• Built slot or casino games before, and understand RTP, volatility, and certification constraints.
• Game math, RNG, or remote game server (RGS) integration experience.
• Deep WebGL, GLSL shader, or custom renderer work.
• Experience with Pixi.js or another HTML5 canvas engine alongside Phaser.
• Sound-led animation instincts. You animate to audio and it shows.
• Built a shared game framework or design system that sped up a whole team.

Tools you will work with

Daily: Phaser.js, TypeScript, WebGL, Figma, Git

Often: Pixi.js, GLSL, REST and websockets, Chrome DevTools

Bonus: Spine, Howler.js, build tooling (Vite, Webpack)

How we work

We care equally about quality and velocity. The best people on our team use modern tools as a multiplier, not a shortcut. AI has changed how great engineering teams operate, and we expect everyone we hire to be on the front edge of that change.

• Fluent with AI too…