Senior HTML5 Game Developer
About the role
You will complete our Game Development crew of 14 lovely and skilled people and report to the Team Lead Frontend Games. Your passion for online casino games combined with your technical knowledge allows us to bring the best slots to the market.
Responsibilities
Game Development & ImplementationTranslate game design documents (GDD) into HTML5 game presentations.
Break down GDD features into a Work Breakdown Structure (WBS) and create JIRA tickets.
Ensure tasks are manageable within a maximum of one workweek and align with team estimates.
Implement game features and functionality using TypeScript (latest standard).
Follow best practices, ensuring well-typed and well-documented code.
Use JavaScript (ECMAScript) only when necessary, documented with JSDoc.
Version Control & Code ManagementWork with Git (GitLab as the central repository).
Commit code at least once per working day to feature branches.
Follow semantic commit conventions, including (JIRA or similair) ticket ID.
Submit merge requests (MR) when work is completed and defect-free.
Address feedback from MR reviewers and escalate disputes to the Architect or Engineering Manager if needed.
Ensure code adheres to Secure Development Principles.
Visual & Audio Effects ImplementationIntegrate static art, animations (Spine), image sequences, and particles.
Use libraries like PIXI.js for optimal rendering performance.
Collaborate with Tech Art to optimize assets for efficient implementation Code Quality & Optimization
Code Quality & OptimizationEnsure clean, well-documented, and tested code.
Use browser developer tools to track FPS, memory, CPU/GPU usage, and draw calls.
Prioritize and fix bugs with utmost urgenc
Maintain unit and integration test coverage, ensuring communicated line coverage is not reduced.
Remove dead code and optimize project assets.
Game Code Building & DeliveryUtilize Webpack for efficient bundling, minification, and optimizat
Optimize images, text, and assets for a production-ready build.
Understand and enhance GitLab CI for efficient deployment
Ensure games are optimized for HTTP/HTTP2/HTTP3, WebSockets, and other network communications to enhance player experience.
Collaboration & Development ProcessWork closely with Game Producers, Art Directors, and QA to ensure smooth development.
Conduct game demos for Product Owners.
Address QA-reported defects with highest urgency.
Follow structured development milestones:Alpha – Game functions as per specification (even if assets are incomplete
Beta – Full asset implementation; game ready for QA testing
Requirements
At least 3 years of Game Development experience and 5 years overall development
Fluent in Typescript and Javascript (ES6) and HTML5/CSS3
Highly experienced with PixiJS, Phaser, or equivalent
Complete fluency in English, written and spoken
Strong communication and teamwork skills
Experienced with Git, JIRA (or equivalent Issue / Project tracking software), and GSuite
Attention to detail, problem-solving, and multitasking skills
Experience with Spine animations, including optimization
Nice to have
Experience with WebGL or other graphics programming API.
Casino slot player.
Creativity.
Background in statically typed languages.
Good to know
This full-time position is on an indefinite freelance basis for contractors within the Central European Timezone +/-2.
Why Work for Booming Games
Founder led. Impact driven. Employee centric.
At Booming Games, we're reshaping the iGaming world with our remote-first approach. Our rhythm? Thrilling slot games with captivating features and stunning designs released every two weeks - no exceptions! Here, it's all about co-ownership and real growth. Dive into a diverse team where your input powers every game we craft!
Our perks
We’re a 100% remote-first company, offering a best-in-class remote experience
Competitive package
Dog friendly offices in Berlin and Malta
Family friendly policies
Career growth opportunities
Zestful working environment
Knowledge sharing opportunities
Dynamic culture surrounded by industry experts
Company social events for team bonding
Contact
Recruiting Team
About us
BOOMING GAMES has evolved from a shared vision into a leading slot provider, delivering exhilarating mobile and web-based games. Our drive for innovation shapes an extraordinary gaming experience featuring top-notch gameplay, stunning graphics, and a steadfast commitment to fair and responsible gaming. Join us on this thrilling adventure, where each game we create is not just a product but a captivating journey blending cutting-edge technology with boundless excitement.
Apply To This Job
You will complete our Game Development crew of 14 lovely and skilled people and report to the Team Lead Frontend Games. Your passion for online casino games combined with your technical knowledge allows us to bring the best slots to the market.
Responsibilities
Game Development & ImplementationTranslate game design documents (GDD) into HTML5 game presentations.
Break down GDD features into a Work Breakdown Structure (WBS) and create JIRA tickets.
Ensure tasks are manageable within a maximum of one workweek and align with team estimates.
Implement game features and functionality using TypeScript (latest standard).
Follow best practices, ensuring well-typed and well-documented code.
Use JavaScript (ECMAScript) only when necessary, documented with JSDoc.
Version Control & Code ManagementWork with Git (GitLab as the central repository).
Commit code at least once per working day to feature branches.
Follow semantic commit conventions, including (JIRA or similair) ticket ID.
Submit merge requests (MR) when work is completed and defect-free.
Address feedback from MR reviewers and escalate disputes to the Architect or Engineering Manager if needed.
Ensure code adheres to Secure Development Principles.
Visual & Audio Effects ImplementationIntegrate static art, animations (Spine), image sequences, and particles.
Use libraries like PIXI.js for optimal rendering performance.
Collaborate with Tech Art to optimize assets for efficient implementation Code Quality & Optimization
Code Quality & OptimizationEnsure clean, well-documented, and tested code.
Use browser developer tools to track FPS, memory, CPU/GPU usage, and draw calls.
Prioritize and fix bugs with utmost urgenc
Maintain unit and integration test coverage, ensuring communicated line coverage is not reduced.
Remove dead code and optimize project assets.
Game Code Building & DeliveryUtilize Webpack for efficient bundling, minification, and optimizat
Optimize images, text, and assets for a production-ready build.
Understand and enhance GitLab CI for efficient deployment
Ensure games are optimized for HTTP/HTTP2/HTTP3, WebSockets, and other network communications to enhance player experience.
Collaboration & Development ProcessWork closely with Game Producers, Art Directors, and QA to ensure smooth development.
Conduct game demos for Product Owners.
Address QA-reported defects with highest urgency.
Follow structured development milestones:Alpha – Game functions as per specification (even if assets are incomplete
Beta – Full asset implementation; game ready for QA testing
Requirements
At least 3 years of Game Development experience and 5 years overall development
Fluent in Typescript and Javascript (ES6) and HTML5/CSS3
Highly experienced with PixiJS, Phaser, or equivalent
Complete fluency in English, written and spoken
Strong communication and teamwork skills
Experienced with Git, JIRA (or equivalent Issue / Project tracking software), and GSuite
Attention to detail, problem-solving, and multitasking skills
Experience with Spine animations, including optimization
Nice to have
Experience with WebGL or other graphics programming API.
Casino slot player.
Creativity.
Background in statically typed languages.
Good to know
This full-time position is on an indefinite freelance basis for contractors within the Central European Timezone +/-2.
Why Work for Booming Games
Founder led. Impact driven. Employee centric.
At Booming Games, we're reshaping the iGaming world with our remote-first approach. Our rhythm? Thrilling slot games with captivating features and stunning designs released every two weeks - no exceptions! Here, it's all about co-ownership and real growth. Dive into a diverse team where your input powers every game we craft!
Our perks
We’re a 100% remote-first company, offering a best-in-class remote experience
Competitive package
Dog friendly offices in Berlin and Malta
Family friendly policies
Career growth opportunities
Zestful working environment
Knowledge sharing opportunities
Dynamic culture surrounded by industry experts
Company social events for team bonding
Contact
Recruiting Team
About us
BOOMING GAMES has evolved from a shared vision into a leading slot provider, delivering exhilarating mobile and web-based games. Our drive for innovation shapes an extraordinary gaming experience featuring top-notch gameplay, stunning graphics, and a steadfast commitment to fair and responsible gaming. Join us on this thrilling adventure, where each game we create is not just a product but a captivating journey blending cutting-edge technology with boundless excitement.
Apply To This Job