Senior (Unreal) Programmer

Who We AreAt Cast Iron Games, we're building technically ambitious games with an experienced, no-nonsense team. Based in Tileyard North, we're committed to clarity, quality, and respect in how we work with each other, and in the games we make.We’re now looking for a Senior (Unreal) Programmer to take ownership of major systems and features in our projects. You’ll work closely with design, art, and production to deliver scalable, maintainable code in Unreal 5, while mentoring peers and improving team processes along the way.The RoleAs a Senior Unreal Programmer, you'll be a key contributor on our engineering team, trusted to scope, implement, and maintain complex game or engine-level features. Youʼll collaborate across disciplines, support less experienced developers, and help shape the technical direction of the project through your initiative and experience.You'll write clean, performant C++ code and Blueprints and be expected to deeply understand the systems you work on - from replication and architecture to profiling and debugging.ResponsibilitiesOwn the development of large systems or features within Unreal 5Write clean, maintainable code using both C++ and BlueprintsCollaborate closely with design, art, and production to ensure implementation aligns with projects goalsContribute to planning and task breakdowns with accurate estimatesProactively identify technical risks or design issues, and work with leads to resolve themProvide mentorship and code reviews for junior and mid-level engineersOptimise systems for performance, scalability, and platform constraintsWrite and improve internal documentation, tools, pipelines where neededWhat We’re Looking For Technical ExperienceStrong experience working with Unreal 4 or 5 in a production environmentProficiency in C++, Blueprints, and Unrealʼs component-based architectureExperience owning significant game systems, tools and tech subsystemsUnderstanding of replication, memory/performance profiling, and debugging workflowsAble to balance short-term priorities with long-term code maintainabilityComfortable using Perforce or similar source control, and task/bug tracking tools such as JiraWays of WorkingComfortable working independently, scoping and delivering complex featuresProactive in raising blockers, discussing trade-offs and offering solutionsSupportive of teammates through reviews, pairing and knowledge sharingCommunicates clearly with both technical and non-technical collaboratorsPassionate about quality, clarity and making others more effectiveBonus PointsFamiliarity with AI, animation systems, or physics frameworks in Unreal 5Experience with multiplayer systems and networking in UnrealShipped a title using Unreal 4 or 5 on console such as Xbox, PlayStation, SwitchBuilt tooling or automation to support QA and build processesWhy Cast Iron GamesA people-first studio with a clear focus on craft, clarity, and collaborationA high-trust team where experience is valued and voices are heardA respectful, experienced team with a strong engineering cultureThe opportunity to ship performance-optimised, cross-platform games you're proud ofProjects that offer real variety. Different game engines, new challenges, constant growthCreative surroundings at Tileyard North, with a supportive creative communityCompetitive salary, flexible hours and professional development supportOpportunities to lead with clarity, autonomy, and real impactNo crunch. No egos. Just good code, good people and good gamesWhat to Expect/Key BenefitsStart your day any time between 8:00am and 10:00am35 working hours per week with a 1-hour lunch break (with the opportunity to flex down to 30 minutes or up to 2 hours)25 days annual leave + 8 days bank holiday1 day leave for your birthday and 1 day leave if you're moving houseLength of service increases are 1 day per year of service up to maximum of 8 additional daysUp to 8 days discretionary annual leave during our end of year breakPotential for annual performance bonusFree breakfast options, juice, hot drinks and fruitEmployee referral bonus (up to £2000)Group Life Assurance – 4 x annual salary payable to nominated beneficiaries through an expression of wishes form.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)Critical Illness Cover – lump sum of 1 x annual salary on diagnosis of a critical illnessCycle to Work SchemeEV & Hybrid Car SchemeTech Purchase Scheme – split the cost of Tech or Home electronics through salary deduction, interest freeHealthcare Cash plan – claim back the cost of everyday healthcare, dental, physio, chiropractor, opticians, podiatry etcPrivate Medical Insurance with VitalityReward Gateway with cashback and discounts on 900+ retailersEmployee Assistance Programme including Virtual GP serviceWellbeing Centre based on Mind, Move, Munch and Money