6 of 6 Permanent Performance Optimisation Jobs in York

real-money online games, with a strong focus on game logic. Collaborate with front-end engineers, game designers, and mathematicians to deliver fully integrated, high-performing gameplay features. Optimise performance and scalability to support high user loads. Write clean, testable code and contribute to CI/CD workflows. Stay informed on industry trends and proactively suggest improvements to systems … Proficiency in Python and experience building game logic or high-throughput backend services. Understanding of probability and statistics as applied to game mechanics. Familiarity with secure server development and performance optimisation. Excellent communication skills and ability to work independently in a remote-first environment. Tech Stack & Tools Python (core language) Git for version control Docker and containerisation workflows CI More ❯

closely with product managers, designers, and backend engineers to define and deliver impactful features. Code Quality: Ensure code quality through code reviews, unit testing, and adherence to best practices. Performance Optimization: Identify and address performance bottlenecks to ensure a seamless user experience. Continuous Improvement: Stay updated with the latest industry trends and technologies, advocating for their adoption when More ❯

Develop and maintain custom Magento 2 modules and extensions aligned with business needs Work with APIs, webhooks, and third-party integrations to ensure smooth data flow Optimise Magento backend performance (database queries, caching, load times) Troubleshoot backend issues to ensure platform stability and scalability Maintain high code quality through best practices, peer reviews, and automated testing Mentor junior developers … development, including custom module creation and system architecture Strong skills in PHP, MySQL, and Magento’s ORM Expertise with Magento API frameworks (REST and GraphQL) Experience with server-side performance optimisation (database indexing, Redis, Varnish caching) Familiarity with version control (Git) and CI/CD pipelines Strong debugging and problem-solving capabilities Experience with Elasticsearch integration for Magento More ❯

September - Feb maternity cover) Company Overview: My client is a specialist engineering company that builds white label video streaming applications for global media brands. They focus on delivering high performance, scalable solutions across Roku, web, and mobile platforms. They are now looking for an experienced Roku Developer to join their team and work across multiple branded streaming apps. This … person will take the lead on feature development, performance optimisation, and ensuring alignment with Roku certification standards. Key Responsibilities: Build and deploy Roku applications using BrightScript and SceneGraph Configure and launch white-label apps for 18+ video streaming clients Lead development of major features including templated views, DRM, and EPG Integrate ad tech (Roku Ad Framework) and analytics … Google Analytics) Drive performance enhancements, reducing load time, memory use, and CPU usage Required Skills: Strong experience with BrightScript and SceneGraph Track record of Roku app development and deployment Familiarity with Roku Advertising Framework and video playback (HLS/DASH) Experience building advanced UI components like EPG and parental controls Comfortable with performance profiling and debugging on Roku More ❯

customers are at the core of everything we do. As a Professional Services Network Consultant, you will play an important role in designing and implementing secure, scalable, and high-performance network infrastructures. Due to continued growth, we are looking for a confident CCNP/CCIE level networking consultant to join the team. What You Will Do Producing exceptional quality … Firewall Refresh DC Migration/relocation SD-WAN Configure and optimize NMS tools such as: Cisco Catalyst Center Cisco ISE (Policy Sets and Tacacs) LogicMonitor Solarwinds Lead troubleshooting and performance optimisation efforts where required. What You Will Have This is a Cisco biased role i.e., Catalyst, Nexus, Firepower, ISE, Meraki etc. - but you will have the ability to … we’re committed to enabling your growth personally and professionally. Development Programmes – From Future Managers to Leadership Training, our development programmes help you get where you need to go. Performance Bonus – Our Group-wide bonus scheme enables you to reap the rewards of your success. Financial wellbeing - We understand as well as your mental wellbeing, your financial wellbeing is More ❯

Strong React expertise, component design, and frontend architecture experience Experience building reporting or data-intensive UI components Familiarity with best practices such as TDD, SOLID principles, clean architecture, and performance optimisation Bonus: knowledge of payroll, finance, or reporting systems Comfortable working remotely, collaborating across teams Contract Details Rate: £650 + p/d inside IR35 Duration: 6 months More ❯