Game Engine Programmer

Jagex

Game Engine Programmer enhancing RuneTek, Jagex’s cross-platform engine powering the RuneScape franchise. Developing performant rendering and core engine systems with C++, GLSL, OpenGL, and Vulkan.

Posted 8/5/2026full-timeCambridge • 🇬🇧 United KingdomMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in game engine development with a strong focus on modern C++, GLSL, and performance profiling. Capable of delivering scalable and robust solutions while collaborating effectively with production and game development teams.

Highest-signal resume keywords

Game Engine DevelopmentModern C++ ProgrammingPerformance ProfilingOpenGL and VulkanTest-Driven Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C++GLSLPythonPerformance MonitoringThreaded RenderersCMakeJava

Tools & Technologies

Build SystemsGame Development Tools

Industry Keywords

AAA Game DevelopmentGame TechnologyProduction-Ready Solutions

Tech Stack

Tools & technologies

JavaPython

About the role

Key responsibilities & impact

Enhance and maintain engine technology and code libraries across networking, audio, input, file systems, maths libraries, threaded job systems, and tools interoperability.
Research, innovate, and develop new game engine technology, delivering production-ready solutions.
Contribute scalable, robust, highly available, and performant code.
Deliver projects of moderate scope, complexity, and critical business impact while balancing product, production, and engineering priorities.
Improve game technology speed and effectiveness by identifying system and process improvements and evaluating off-the-shelf and in-house solutions.
Develop a specialism over time in graphics, networking, audio, or animation with team mentorship and support.
Work with production and game development teams to realise Jagex’s vision for its games.

Requirements

What you’ll need

Demonstrable game engine development experience in modern C++, working alongside GLSL and Python.
Experience profiling CPU, GPU, and memory at high and low levels.
Experience monitoring performance in live products and implementing fixes.
Experience with AAA threaded renderers powered by OpenGL and Vulkan.
GLSL as the primary shading language.
Comfortable maintaining build systems for C++ codebases.
Experience with test-driven development.
CMake experience is an advantage.
Java programming experience is a bonus.
Permanent right to work in the UK without employer visa sponsorship.

Benefits

Comp & perks

Private Healthcare, including Dental Plan.
Discretionary annual performance bonus.
Minimum 6% Pension contributions.
Life Insurance.
Enhanced family leave policies from day 1.
Flexible working hours.
25 days annual leave + Bank holidays.
Option to buy/sell holidays.