Fractional Senior Game Designer (AI)

Location: United Kingdom (Remote)

Company

hirify.global is an independent games studio developing and operating mobile games and other titles across the full lifecycle, from concept and prototyping through live operations.

What you will do

• Own feature and systems design for live free-to-play mobile games, from concepts and detailed documentation through implementation, tuning, and post-launch balancing.
• Design onboarding, retention flows, monetisation, economies, seasonal content, events, and other live-ops features for Lemmings and partner titles.
• Use analytics, KPIs, player behaviour, A/B testing, and playtesting to validate ideas and guide design decisions.
• Develop GDDs, proposals, competitive analyses, and scoped concepts for new projects and pitches.
• Prototype and pressure-test gameplay ideas, collaborating with artists, engineers, producers, Product, Analytics, and Production.
• Advance AI-assisted design workflows for ideation, structured specifications, economy tuning, prototyping, documentation, and iteration.

Requirements

• At least five years of game design experience, primarily within a mobile games company.
• Track record of shipping and operating live mobile titles, with senior-level work across mechanics, economy, and player experience.
• Strong command of core loops, meta-games, game balance, economies, monetisation, UI/UX, pacing, and game flow.
• Practical experience integrating AI tools into a game design workflow and using data to guide balancing decisions.
• Proficiency with Figma, Unity, Git, Jira, Confluence, and Claude.
• Clear written and verbal communication in English is required.

Nice to have

• Degree in Games Design, Interactive Media, or a related field, or equivalent professional experience.
• Passion and broad knowledge of casual, mobile, and classic arcade games.

Culture & Benefits

• Contract-based, self-directed engagement delivered as an independent supplier of design services.
• Autonomous work within a small, collaborative studio.
• Opportunity to contribute across multiple live and upcoming projects with shifting priorities.
• Cross-disciplinary collaboration with design, art, engineering, production, Product, and Analytics.