Senior Software Engineer (HTML5 Playable Ads)

TL;DR

Senior Software Engineer (Pixi.js, Phaser, WebGL): Building and shipping high-performing HTML5 playable ads across various ad networks and devices with an accent on optimization for strict ad platform constraints and mobile browser performance. Focus on architecting reusable lightweight systems, minimizing file sizes, and ensuring high engagement through polished user experiences.

Location: Remote (any location)

Salary: $60.00 - $70.00 / hr

Company

hirify.global is building a platform for generative entertainment universes where creators, players, and AI collaborate in real time.

What you will do

• Build and ship HTML5 playable ads using Pixi.js, Phaser, Three.js, or custom WebGL solutions.
• Optimize games for strict ad platform constraints, including file size limits, load time, and sandbox restrictions.
• Ensure high performance and responsiveness across mobile browsers (iOS Safari, Android Chrome).
• Architect reusable patterns and lightweight systems for rapid iteration of playable ads.
• Integrate playable ads with ad network SDKs such as Meta, Google, TikTok, and Unity.
• Implement analytics and event tracking to measure engagement and conversion performance.

Requirements

• 5+ years of experience in software engineering, specifically with web-based games or interactive ad units.
• Deep proficiency in JavaScript, TypeScript, and modern web game frameworks (Pixi.js, Phaser, Three.js).
• Strong understanding of mobile browser performance, memory management, and responsive layouts.
• Proven experience working within ad network specifications and optimizing for load time and file size.
• Ability to own the full lifecycle of a playable ad from concept to shipped product.

Nice to have

• Experience collaborating with growth or marketing teams on playable ads.
• Familiarity with A/B testing and performance-driven iteration.
• Experience building internal tooling or pipelines for asset optimization.
• Background in game design or strong intuition for player engagement.

Culture & Benefits

• Collaborative and creative team environment that values curiosity and craftsmanship.
• Focus on experimentation and a "small wins lead to big wins" philosophy.
• Opportunity to shape both the technology and culture of a new kind of game studio.