Game Engine Programmer

Salary: £26,000 - 66,000 per year

Requirements

• Demonstrable game engine development experience in modern C++, working alongside GLSL and Python.
• Experience profiling CPU, GPU and memory at both a high and low level, monitoring performance in live products and turning findings into real fixes.
• Experience on AAA threaded renderers powered by OpenGL and Vulkan, with GLSL as the primary shading language.
• Comfortable maintaining build systems for C++ codebases; CMake experience is an advantage.
• Experience with test-driven development.
• Java programming experience is a bonus.
• Permanent right to work in the UK, with no need for current or future visa sponsorship.

Responsibilities

• Enhance and maintain our engine technology and code libraries spanning networking, audio, input, file system, maths libraries, threaded job systems and tools interoperability.
• Research, innovate and develop new game engine technology, delivering it production-ready and keeping our tech ahead of the competition.
• Contribute code that is scalable, robust, highly available and performant, meeting our department standards, principles and best practices.
• Deliver projects of moderate scope, complexity and critical business impact as part of a team balancing product, production and engineering priorities.
• Stay proactive in making our game technology faster and more effective, spotting improvements to systems and processes and evaluating off-the-shelf and in-house solutions.
• Shape your own specialism over time, whether that is graphics, networking, audio or animation, with mentorship and support from our team.

Technologies

• Support
• Java
• OpenGL
• Python
• GameDev
• Mobile

More

We are Jagex, the RuneScape company, based in Cambridge, UK, with flexible working options including predominantly remote work and onsite attendance as required. We create deep, community-powered games and are expanding RuneScape into a broader ecosystem of forever games and connected experiences. Our team includes passionate creators, storytellers, engineers and dreamers, and we foster an inclusive workplace built on trust, autonomy and collaboration. We offer a generous perks and benefits package including private healthcare with dental plan, discretionary annual performance bonus, minimum 6% pension contributions, life insurance, enhanced family leave from day one, flexible working hours, and 25 days annual leave plus bank holidays with the option to buy or sell holidays.

last updated 36 week of 2026