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, but our team is made up of experienced developers who’ve worked across AAA and independent titles. Together, we’re building a supportive, balanced environment where great work happens without crunch.
The Role
As a Senior Programmer, you’ll work across a variety of systems inside proprietary engines, building new features, improving performance, and unblocking others.You’ll be expected to own the implementation of significant features, contribute to technical planning, and act as a source of knowledge and mentorship for less experienced developers.
The engines you’ll work with vary depending on the project, but what stays consistent is your role as a calm, trusted engineer who can dig deep, communicate clearly, and help deliver technically solid, production-ready code.
Responsibilities
- Design, implement, and maintain features and systems in proprietary or third-party game engines
- Work closely with production, design, and other disciplines to deliver reliable, efficient code
- Debug and optimise existing systems, performance, memory, threading, IO, etc.
- Understand and navigate unfamiliar codebases confidently and safely
- Provide mentorship and support to junior and mid-level engineers
- Participate in sprint planning and estimation, and help break down complex tasks
- Identify risks and blockers early, and offer practical, collaborative solutions
- Maintain a high level of code quality and help enforce team-wide standards
- Contribute to tools and workflow improvements when needed
What We’re Looking For
Technical Experience
- Strong proficiency with C++ in large, real-time codebases
- Comfortable working in proprietary game enginesAbility to quickly understand and work within complex or legacy systems
- Experienced working with performance-critical systems ( multithreading, memory, IO, memory,)
- Familiar with platform-specific considerations (consoles or PC)
- Comfortable using Perforce or similar source control, and task/bug tracking tools such as Jira
Ways of Working
- Able to take full ownership of feature delivery, from planning to testing
- Supports others through documentation, pairing, and technical discussion
- Communicates clearly across disciplines — design, production, QA, etc.
- Comfortable raising risks and suggesting practical, team-focused solutions
- Passionate about writing clear, maintainable, production-ready code
Bonus Points
- Experience shipping a title built in a bespoke or custom engine
- Familiarity with console submission processes and platform compliance
- Knowledge of graphics programming concepts (materials, shaders, rendering pipelines)
- Worked with with graphics APIs (e.g. DirectX12, Vulkan)
- Knowledge of online services integration, input handling, or save systems
- Background in technical tooling, automation, or performance tracking
- Exposure to team-based development with external partners or clients
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 youʼre proud of
- Projects that offer real variety. Different game engines, 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 youʼre 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
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