Senior Principal Gameplay Engineer
UK Remote or West Midlands-based / Full-Time Contractor
Please note: We welcome applicants who prefer to work from home; however, we cannot offer visa sponsorship for this opportunity at this time.
Role:
As a Senior Principal Gameplay Engineer, you will be a highly hands-on technical expert responsible for designing, developing, and improving complex gameplay and player-facing systems. You will personally solve difficult technical problems across gameplay, networking, UI/UX, tools, security, and core technology, while helping establish strong engineering practices and supporting the wider team with technical guidance.
Responsibilities:
- Hands-On Gameplay and Systems Development:
- Design, implement, and maintain complex gameplay systems that are responsive, scalable, secure, and maintainable.
- Build and improve player-facing functionality, including gameplay interactions, UI/UX systems, Blueprint-driven features, and supporting technical frameworks.
- Multiplayer, Security, and Core Technology:
- Develop and optimise multiplayer systems, including replication and synchronisation, to support reliable online player experiences.
- Contribute to anti-cheat and security-focused technical solutions, identifying risks and implementing robust mitigations where required.
- Technical Quality and Architecture:
- Apply test-driven development, strong systems design, and maintainable architecture to complex technical work.
- Investigate, debug, and resolve critical issues, balancing feature quality, performance, scalability, and long-term maintainability.
- Technical Leadership and Team Contribution:
- Lead by example through direct implementation, prototyping, code reviews, and practical technical problem solving.
- Provide technical guidance to engineers and collaborate with design, art, QA, and production to communicate risks, dependencies, and delivery options clearly.
Essential:
- Strong hands-on experience developing complex gameplay and player-facing systems in a game-development environment.
- Expertise in multiplayer replication, networked gameplay, Blueprint systems, and gameplay architecture.
- Experience developing UI/UX systems, tools, technical frameworks, and secure online features.
- Strong understanding of test-driven development, systems design, debugging, performance optimisation, and maintainable software architecture.
- Familiarity with relevant game-engine, custom-engine, and core-technology integration.
- Excellent technical problem-solving, communication, mentoring, and cross-discipline collaboration skills.
What We Offer:
Based just outside Birmingham, Flix is made up of welcoming, passionate, active gamers that support one another in all aspects of development. We offer you to:
- Join a friendly, nurturing work environment with the opportunity to build games as part of an extremely talented, ambitious studio.
- Work on market-leading AAA titles and IP with globally reputable studio and publisher partners.
- Be part of a sustainably growing game developer studio as we consciously expand our team and projects on a case-by-case basis.
- Learn within an independent studio across a wide range of projects and opportunities both internal and external.
Application:
Please send through your portfolio and cover letter. If your examples are from previous works with another studio, please make sure samples are cleared for release by copyright owners. Links to an online portfolio are preferable, otherwise we accept showreels via Dropbox or other secure sharing platforms.
Send your application to – careers@flixinteractive.com
If you love making games and you would like to contribute to a team and project where your drive and skills will be welcomed and encouraged, then we would love to hear from you.
GDPR COMPLIANCE – When applying for this job you’re authorising Flix Interactive to store your application information and distribute it to the appropriate email inboxes of senior team members in order to review your role eligibility.
Your application will be stored on a private cloud based online system for processing. If you would like us to update, delete or refine your application please email info@flixinteractive.com. Your request will be appended within 30 days of receiving your email.
Please note – In compliance with GDPR law your data will be used for recruitment purposes only. We are unable to accept candidates requiring visa sponsorship for this opportunity at this time.
