Full Stack Game Developer

Company Description Hot Side Games is an iGaming studio focused on developing HTML5 casino games and proprietary gaming experiences for operators across Latin America. The company is built around Hot Side, a unique game mechanic designed to introduce an additional layer of player interaction and strategic choice into casino gameplay, creating differentiated experiences that can be adapted across multiple themes and game concepts. Leveraging the Playtagon SDK, Hot Side Games combines product innovation, game design, mathematics, and technology to deliver engaging, scalable, and commercially driven games. With a strong focus on innovation and execution, the studio brings together expertise across multiple disciplines to create distinctive gaming products that help operators stand out in an increasingly competitive market.

What you'll do Build new HTML5 casino-style games using the Playtagon SDK Implement game UI / animations / sound on the frontend Wire up game flows to the SDK's backend hooks (session lifecycle, bet handling, results, history) Integrate with RGS (Remote Gaming Server) APIs Test, debug, and optimize across desktop and mobile browsers Work closely with game designers (math models, visual specs) and the Playtagon team Own a game end-to-end: from spec → playable build → handoff to QA / certification → deployment to operators

Must-have 3+ years

building HTML5 games or interactive web apps in a production environment Strong

TypeScript / JavaScript

(modern ES, async patterns, modules) Experience with at least one game/canvas engine:

Pixi.js

,

Phaser

,

Three.js

, or PlayCanvas Solid Node.js skills for backend integration Comfort with REST APIs, WebSockets, real-time event flows Git workflow, code review discipline, ability to ship in a small team Conversational English — written and verbal (most internal docs and partner comms are in English)

Nice-to-have Prior

iGaming / casino games experience

(slots, instant-win, table games) Familiarity with regulatory frameworks (RNG certification, RTP, jurisdictional rules) Math model implementation (paylines, probability tables, paytable construction) Mobile-first / responsive game design experience Experience with another game SDK AI tools as part of daily workflow (Cursor, Claude, Copilot) — we lean into AI productivity

What we offer Full-time, fully remote (work from anywhere in Brazil) Competitive USD-denominated salary, paid monthly Long-term contract, not project-based Small, senior team, zero bureaucracy Real ownership: you'll see your games go live with real operators, real players, real revenue Continuous learning budget (courses, conferences, tooling)

How to apply Send your CV + portfolio (links to games you built, GitHub, demos) to:

In your message, please tell us: Have you worked with iGaming or game-engine SDKs before? If yes — which ones Your expected USD salary range and notice period

We respond to every application within 5 business days.