Game Developer

About Spellzee

Spellzee

interactive, browser-based educational games

technically strong game developer

Position Overview

Game Developer

game designer

This role offers creative freedom, ownership, and the opportunity to help shape Spellzee’s upcoming game-based learning ecosystem.

Key Responsibilities

• Design, develop, and deploy

  2D web-based educational games

  using

  HTML5, JavaScript, and Phaser (or similar frameworks)

  .
• Collaborate with the game designer to translate storyboards, art, and game mechanics into interactive playable experiences.
• Implement and optimize

  animations, sounds, physics, and collisions

  for smooth gameplay.
• Ensure games are

  responsive and optimized

  for browsers on desktop, tablet, and mobile.
• Integrate

  APIs and Firebase

  for saving scores, progress, and analytics.
• Maintain clean, modular, and reusable code structures for scalability.
• Debug, test, and continuously improve performance, usability, and user experience.
• Work with designers to integrate and optimize sprites, atlases, and other assets.

Required Technical Skills

Languages & Core Technologies

• Proficiency in

  JavaScript (ES6+), HTML5 Canvas, and CSS3

  .
• Strong command of

  game loops, rendering, and event handling

  .
• Understanding of

  collision detection, physics, and frame optimization

  .

Frameworks & Engines

• Hands-on experience with

  Phaser.js

  (preferred) or

  Godot (HTML export)

  .
• Knowledge of

  Pixi.js

  ,

  Construct 3

  , or similar web-based 2D engines is a plus.

Backend & Data

• Experience integrating with

  Firebase / Supabase / REST APIs

  for game data and analytics.
• Familiarity with

  Node.js / Express

  is an advantage.

Audio & Animation

• Working knowledge of

  Howler.js

  or HTML5 Audio for sound effects.
• Understanding of sprite sheets, frame-based animation, and skeletal animation tools like

  Spine

  or

  DragonBones

  .

Build & Deployment Tools

• Experience using

  Git / GitHub

  for version control.
• Familiarity with

  Webpack / Vite / Parcel

  for game bundling and optimization.
• Comfortable deploying on

  Netlify / Vercel / AWS S3

  .

Optimization & Testing

• Performance profiling using

  Chrome DevTools / Lighthouse

  .
• Asset management (compression, lazy loading, and preloading).
• Responsive layout and performance testing across devices.

Preferred Skills

• Experience embedding games into

  React / Next.js

  environments.
• Familiarity with

  TypeScript

  for structured game development.
• Exposure to

  Google Analytics / Firebase Analytics

  for gameplay insights.
• Understanding of

  UI/UX principles for children’s interfaces

  (large tap zones, vibrant colors, instant feedback).
• Optional: Basic familiarity with

  speech synthesis or recognition APIs

  (for phonics / reading-based games).

Who You Are

• A passionate and self-motivated developer who enjoys building interactive experiences.
• Excited about combining

  technology + education + creativity

  .
• Capable of taking full ownership of projects and delivering independently.
• Eager to work in a

  fast-paced, innovation-driven startup

  where your work has visible impact.

Why Join Spellzee

• Build real products used by hundreds of children every week.
• Work directly with the

  founding team and game designer

  — flat hierarchy, fast execution.
• Freedom to experiment with new technologies and game mechanics.
• Opportunity to build your

  portfolio of published educational games

  .
• Be part of a mission-driven company changing how kids learn