Who We Are
At 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 Role
As a Senior Graphics Programmer, you'll specialise in rendering and visual technology within Unreal Engine 5. You'll work closely with artists, technical artists, and engineers to create high-quality visual experiences while ensuring performance remains scalable across supported platforms.
You'll take ownership of graphics features and rendering systems, helping shape technical solutions that balance visual ambition with production realities.
Responsibilities
Design, implement, and maintain rendering features within Unreal Engine 5
Work closely with art and technical art teams to support visual targets
Develop and optimise shaders, materials, lighting, and rendering systems
Profile and improve GPU and CPU rendering performance
Investigate rendering issues across multiple platforms
Contribute to graphics-related technical planning and architecture decisions
Support junior and mid-level engineers through mentoring and code reviews
Improve workflows and tools that support content creation and visual iteration
What We're Looking For
Technical Experience
Strong experience working with Unreal Engine 4 or 5 in production
Strong C++ and Blueprint experience
Deep understanding of Unreal's rendering architecture
Experience with shaders, materials, lighting systems, and post-processing
Familiarity with Unreal profiling and debugging tools
Understanding of modern rendering techniques and graphics pipelines
Experience optimising GPU and CPU rendering performance
Comfortable using Perforce and Jira
Ways of Working
Comfortable owning graphics features from planning through implementation
Able to collaborate effectively with artists, technical artists, and designers
Proactive in identifying technical risks and proposing solutions
Supportive of teammates through reviews and knowledge sharing
Passionate about visual quality and performance
Bonus Points
Experience modifying or extending Unreal's rendering systems
Experience with Nanite, Lumen, Virtual Shadow Maps, or other UE5 rendering technologies
Experience shipping Unreal titles on console
Familiarity with DirectX 12, Vulkan, or platform-specific graphics APIs
Experience building graphics debugging or visualisation tools
Why Cast Iron Games
A people-first studio with a clear focus on craft, clarity, and collaboration
A high-trust team where experience is valued and voices are heard
A respectful, experienced team with a strong engineering culture
The opportunity to ship performance-optimised, cross-platform games you're proud of
Different projects. New challenges. Constant growth
Creative surroundings at Tileyard North, with a supportive creative community
Competitive salary, flexible hours and professional development support
Opportunities to lead with clarity, autonomy, and real impact
No crunch. No egos. Just good code, good people and good games
What to Expect / Key Benefits
Start your day any time between 8:00am and 10:00am
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)
25 days annual leave + 8 days bank holiday
1 day leave for your birthday and 1 day leave if you're moving house
Length of service increases are 1 day per year of service up to maximum of 8 additional days
Up to 8 days discretionary annual leave during our end of year break
Potential for annual performance bonus
Free breakfast options, juice, hot drinks and fruit
Employee 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 illness
Cycle to Work Scheme
EV & Hybrid Car Scheme
Tech Purchase Scheme – split the cost of Tech or Home electronics through salary deduction, interest free
Healthcare Cash plan – claim back the cost of everyday healthcare, dental, physio, chiropractor, opticians, podiatry etc
Private Medical Insurance with Vitality
Reward Gateway with cashback and discounts on 900+ retailers
Employee Assistance Programme including Virtual GP service
Wellbeing Centre based on Mind, Move, Munch and Money
