Wakefield, GB·Full-time·Posted 6 Jul 2026

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Who We AreAt Cast Iron Games, we build technically ambitious games in a calm, focused environment, where every team member has a voice. Based in Tileyard North, we collaborate with high quality partners on high-quality projects, guided by clarity, consistency, and mutual respect.We're a young and growing studio delivering AAA games. Our experienced team has contributed to some of the industry's biggest AAA and independent titles, and we're building a supportive, balanced environment where great work happens without crunch.The RoleAs a Senior Engine Programmer, you'll focus on extending, optimising, and maintaining Unreal Engine systems that support game development across the project. You'll work on engine-level features, tooling, performance improvements, and platform-specific solutions that enable the wider team to build high-quality experiences efficiently.You'll be trusted to solve complex technical challenges, influence technical direction, and help establish best practices across the engineering team.Responsibilities<ul><li>Design, implement, and maintain engine-level systems within Unreal Engine</li><li>Extend and customise Unreal systems where project requirements demand it</li><li>Improve performance, memory usage, loading times, and scalability</li><li>Develop tools, workflows, and automation that improve team efficiency</li><li>Investigate and resolve low-level technical issues across platforms</li><li>Work closely with gameplay, design, art, and production teams</li><li>Contribute to technical planning, architecture discussions, and estimation</li><li>Mentor junior and mid-level engineers through reviews and knowledge sharing</li><li>Help maintain engineering standards and documentation</li></ul>What We're Looking ForTechnical Experience<ul><li>Strong experience working with Unreal Engine 4 or 5 in production</li><li>Excellent C++ programming skills</li><li>Deep understanding of Unreal's engine architecture and core systems</li><li>Experience working with performance optimisation, memory management, and profiling</li><li>Experience extending engine functionality and developing technical tools</li><li>Familiarity with build systems, asset pipelines, and automation workflows</li><li>Experience supporting console or PC development</li><li>Comfortable using Perforce and Jira</li></ul>Ways of Working<ul><li>Comfortable owning complex technical systems independently</li><li>Able to communicate clearly with technical and non-technical stakeholders</li><li>Proactive in identifying risks, blockers, and long-term technical concerns</li><li>Supportive of teammates through mentoring and knowledge sharing</li><li>Passionate about maintainable, production-ready code</li></ul>Bonus Points<ul><li>Experience with build pipelines, CI/CD, and automation tooling</li><li>Experience shipping Unreal titles on console</li><li>Familiarity with networking, streaming, or platform systems</li><li>Experience supporting multi-project or co-development environments</li></ul>Why Cast Iron Games<ul><li>A people-first studio with a clear focus on craft, clarity, and collaboration</li><li>A high-trust team where experience is valued and voices are heard</li><li>A respectful, experienced team with a strong engineering culture</li><li>The opportunity to ship performance-optimised, cross-platform games you're proud of</li><li>Projects that offer real variety. Different game engines, new challenges, constant growth</li><li>Creative surroundings at Tileyard North, with a supportive creative community</li><li>Competitive salary, flexible hours and professional development support</li><li>Opportunities to lead with clarity, autonomy, and real impact</li><li>No crunch. No egos. Just good code, good people and good games</li></ul>What to Expect / Key Benefits<ul><li>Start your day any time between 8:00am and 10:00am</li><li>35 working hours per week with a 1-hour lunch break (with the opportunity to flex down to 30 minutes or up to 2 hours)</li><li>25 days annual leave + 8 days bank holiday</li><li>1 day leave for your birthday and 1 day leave if you're moving house</li><li>Length of service increases are 1 day per year of service up to maximum of 8 additional days</li><li>Up to 8 days discretionary annual leave during our end of year break</li><li>Potential for annual performance bonus</li><li>Free breakfast options, juice, hot drinks and fruit</li><li>Employee referral bonus (up to £2000!)</li><li>Group Life Assurance – 4 x annual salary payable to nominated beneficiaries through an expression of wishes form.</li><li>Income Protection – covers you up for up to 50% of monthly salary for 2 years (after a 26 week deferred period, i.e. when SSP runs out)</li><li>Critical Illness Cover – lump sum of 1 x annual salary on diagnosis of a critical illness</li><li>Cycle to Work Scheme</li><li>EV & Hybrid Car Scheme</li><li>Tech Purchase Scheme – split the cost of Tech or Home electronics through salary deduction, interest free</li><li>Healthcare Cash plan – claim back the cost of everyday healthcare, dental, physio, chiropractor, opticians, podiatry etc</li><li>Private Medical Insurance with Vitality</li><li>Reward Gateway with cashback and discounts on 900+ retailers</li><li>Employee Assistance Programme including Virtual GP service</li><li>Wellbeing Centre based on Mind, Move, Munch and Money</li></ul>

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