Lead HTML5 Game Developer

Location: Ukraine, Europe; remote work with flexible working hours

Company

hirify.global creates innovative HTML5 gaming experiences, including slot games.

What you will do

• Lead the front-end development team and conduct code reviews.
• Write clean, efficient, testable, scalable JavaScript and HTML5 game code.
• Collaborate with developers and product owners to identify and prioritize improvements.
• Participate in the full game development cycle and maintain smooth cooperation between development and product teams.
• Use AI tools as part of everyday development work.

Requirements

• 5+ years of JavaScript game development experience and a proven track record of creating HTML5 games.
• Strong knowledge of HTML5, Canvas API, DOM manipulation, and advanced JavaScript ES6+ features.
• Experience with Phaser, Pixi, Three.js, Spine animation integration, and slot games.
• Expertise in object-oriented programming, performance optimization, memory management, and threading.
• Experience leading and mentoring front-end development teams, with strong analytical, collaboration, and communication skills.
• English at Upper-Intermediate (B2) level required.

Nice to have

• Experience optimizing HTML5 games for mobile browser performance.
• Understanding of CI/CD.

Culture & Benefits

• Flexible working hours and remote-work freedom.
• 20 paid vacation days and 5 paid sick-leave days per year.
• Unlimited unpaid days off for personal matters.
• Paid benefits, personal development plans, skills training, and mentorship programs.
• English speaking club, internal and external education experts, and structured processes through Confluence.
• Transparent communication, performance reviews, feedback-focused stress management, and team-building activities.