Senior Frontend HTML5 Game Developer – Oxford

Gloss Creative Recruitment; Oxford; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading gaming studio near Oxford seeks a Senior Frontend HTML5 Game Developer to create high-performance mobile slot games. The ideal candidate has extensive experience in HTML5 and TypeScript, and expertise in JS gaming libraries like PixiJS. Offering a hybrid work model and a salary around £50,000+, this role emphasizes collaboration and innovation in game development.

Benefits

Salary circa £50,000+ DOE

Hybrid working

Career progression

Collaborative team culture

Training and development support

Qualifications

• 5+ years' experience in HTML5 game environments.
• Strong knowledge of JS gaming libraries.
• Solid animation expertise with WebGL or Canvas.

Responsibilities

• Implement clean, maintainable code for gaming.
• Collaborate with teams to deliver visually rich games.
• Mentor junior developers in best practices.

Skills

HTML5 and TypeScript

PixiJS or Phaser

WebGL or Canvas 2D

Git or SVN

Tools

JavaScript build tools like Gulp

SASS/SCSS

CSS frameworks like Tailwind

Job description

Job Description

We’re working with a pioneering digital gaming studio that creates world-class mobile slot games for a global audience. Their creative hub is a collaborative and high-energy space driven by innovation, visual storytelling, and quality execution. They're now looking for a Senior Frontend HTML5 Game Developer to help bring their game ideas to life with cutting-edge code and exceptional performance across platforms.

The Role

This is a senior-level position suited to a highly experienced frontend developer based near Oxford, who thrives in building responsive, high-performance games using HTML5 and JavaScript frameworks. You'll be implementing clean, maintainable code within a robust framework, optimising user experience across desktop and mobile devices.

Working alongside the creative and development teams, you’ll play a key role in delivering engaging, visually rich slot games. You’ll also contribute to technical discussions, lead on best practices, and support more junior developers as a mentor.

Previous experience in the casino or games industry is a bonus, but not essential.

What We’re Looking For

Mandatory Skills:

• 5+ years’ experience working with HTML5 and TypeScript in both mobile and desktop environments
• Strong knowledge of PixiJS, Phaser or similar JS gaming/animation libraries
• Solid animation expertise using WebGL or Canvas 2D APIs
• Experience with version control tools such as Git or SVN

Nice-to-Have Skills:

• Understanding of CSS, SASS/SCSS and CSS frameworks (e.g. Tailwind, Bootstrap)
• Experience with JavaScript build tools like Gulp, Vite or Rollup
• Familiarity with responsive design and mobile-first development
• Previous exposure to logging/analysis tools like Elasticsearch, Sentry or Rollbar
• Background in maths, physics, statistics or 3D development
• Strong architectural understanding of cross-platform constraints and capabilities
• Great communicator, confident working in distributed, cross-functional teams

Personal Qualities

We’re looking for someone who’s technically astute, calm under pressure, and naturally collaborative. You’ll be excited by emerging tech, passionate about building great games, and confident making strategic contributions to engineering discussions.

In Return

• Salary circa £50,000+ DOE
• Hybrid working with access to a modern Oxford-based studio
• Real career progression in a growing games business
• A relaxed, collaborative team culture with regular socials
• Full training and personal development support

We’re interviewing in the coming weeks – if you’re an experienced Frontend Game Developer with a background in HTML5 game environments, we’d love to hear from you. Apply now or get in touch for a confidential chat.

Keywords:

HTML5 Game Developer, Frontend Developer, TypeScript, PixiJS, Phaser, JavaScript Games, Casino Game Development, WebGL, Canvas 2D, Mobile Game Developer, Desktop Game Developer, Animation Frameworks, Game Engine, GIT, SVN, SASS, SCSS, Tailwind CSS, Bootstrap, Responsive Design, Vite, Rollup, Gulp, Confluence, Jira, Cross-Platform Development, Mobile-First, 2D Game Development, 3D Game Development, Web Game Developer, JavaScript Build Tools, Sentry, Rollbar, Elasticsearch, Software Engineer, Senior Developer, Tech Lead, Game Programmer.

Location: Oxford, UK; commutable from Reading, Swindon, Newbury, Banbury, Aylesbury, Bicester, Didcot, Abingdon, High Wycombe, Milton Keynes, Slough.

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