Hybrid Game Designer, Junior - Mid Level

at Rocket Science

• Job title: Game Designer, Junior - Mid Level
• Job type: Full Time
• Experience level: Junior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Unity, Unreal Engine
• Location requirements: Hybrid, Cardiff, United Kingdom

About the role

• Game Designer developing gameplay features at a hybrid studio. Collaborating with teams to create AAA-quality player experiences in Cardiff.

Responsibilities

• Own small-to-mid gameplay features or components from prototype to polish, iterating based on playtests, data, and feedback.
• Work closely with internal teams and external clients to design, implement, and maintain features to a high level of quality.
• Spot and solve design issues early—from quest logic and progression systems to balance and usability.
• Use visual scripting, blueprint logic, or text-based scripting (C++/C#) to prototype, implement, iterate, or fix features.
• Write clear, structured documentation for systems, mechanics, tools, and balancing processes. Use engine and client tools to tune gameplay features, identify requirements, and maintain high-quality delivery.
• Collaborate cross-disciplinarily to ensure smooth integration of features into the live build.
• Identify risks and propose smart solutions to keep deadlines and milestones on track.

Requirements

• 3–5 years of professional game design experience.
• At least one shipped commercial title (AAA or indie).
• Solid understanding of core design fundamentals, including player psychology, progression systems, and gameplay loops.
• Experience with Unreal Engine, Unity, or similar engines.
• Comfortable owning features end-to-end, from prototype to polish.
• Hands-on problem solver who identifies design gaps and proactively implements solutions.
• Strong written and verbal communication; able to clearly explain design decisions and document systems.
• Passion for games and a keen sense of what makes players engaged and motivated.
• Thrives in collaborative environments but can also work autonomously to deliver value.

Benefits

• Private Pension via Salary Sacrifice
• Optional Private Medical, Dental, and Vision Coverage
• Annual Leave, plus Bank Holidays and Winter Break Office Closure
• Hybrid Working Arrangement: Our office in Cardiff is located right in City Centre, just a couple minutes away from the Cardiff Central Train Station! As a member of our team, you’ll have the flexibility to work at home and collaborate with your fellow team mates in person.
• Annual Research Credit: We always encourage personal growth, so we provide all of our team members with an annual credit to further enhance your skills!
• Professional Development: We offer biannual reviews, as well as opportunities to collaborate across disciplines, internal tech talks, and the chance to learn from specialists with backgrounds from across the games and software development industries.
• Work-Life Balance: We really believe that home life comes first and we promote a flexible working environment. And as an added bonus: We don’t crunch!
• Family Friendly: We understand the importance of family, which is why we offer 6 weeks full of Maternity, Paternity, and Adoption Leave to support you during this exciting time!
• Office Perks: In addition to everything above, we also provide:
• Weekly Team Lunches
• Snacks, Including the Good (Yorkshire) Tea
• Fully Equipped Team Lounge, Including our Favourite Consoles and Games
• And, most importantly, a supportive and creative working environment made up of talented and friendly people, as well as the opportunity to work on some pretty cool games and projects – if we do say so ourselves!