technical vision of this business and work on their product from an early stage. What you'll work on: Backend APIs (Python/FastAPI): Build and maintain secure, high-performance services that drive AI features and data access at scale. RAG & vector search: Design and improve retrieval pipelines (embeddings, chunking, hybrid search, ranking, feedback loops), owning schema design, latency … platform on AWS (ECS), separating ingestion, retrieval, reasoning, and delivery. Quality & reliability: Ensure reliability through testing, CI/CD, observability (metrics/tracing for LLM and retrieval paths), and performance optimisation. Collaboration: Partner with product and leadership teams, mentor peers, and play a role in shaping technical direction. Innovation: Explore and recommend new technologies, frameworks, and methods for both More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Avanti
and messaging mechanisms for large-scale control systems. Work closely with embedded engineers to ensure seamless integration between hardware and software layers. Contribute to architectural design, technical direction, and performance optimisation. Help shape a brand-new platform built around reliability, scalability, and open communication standards. About You You’ll be a developer who enjoys working close to the hardware More ❯
quality through code reviews, automated testing, and adherence to development best practices. Manage deployments and environments using tools like Git, Docker, or CI/CD pipelines. Troubleshoot bugs and performance issues across the stack. Qualifications 3+ years of experience working with Drupal 8/9/10 in full-stack development roles. Strong proficiency in PHP, MySQL, and JavaScript. … Understanding of RESTful services and API integrations. Version control using Git (GitHub/GitLab/Bitbucket). Experience working in Agile environments. Knowledge of web security best practices and performance optimization. More ❯
availability systems. Raise engineering quality: Champion best practices for testing, observability, and security. Review critical PRs and guide technical decisions across the team. Operate and improve production systems: Monitor performance, reliability, and cost efficiency. Lead incident response and drive continuous improvement. Mentor and grow others: Support engineers through pairing, feedback, and documentation to strengthen technical capability across the team. … experience designing and delivering production systems using Python on AWS . Strong understanding of distributed systems, API design, and event-driven architectures. Deep knowledge of system observability, logging, and performance optimisation. Familiarity with modern security and data-privacy best practices. Excellent communicator who can document and articulate technical trade-offs clearly. Behaviours & Attributes Ownership: Takes full responsibility for systems More ❯
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Wembley, Middlesex, United Kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Orpington, Kent, United Kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Romford, Essex, United Kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Kingston Upon Thames, Surrey, United Kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Hayes, south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Walthamstow, east anglia, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
barnet, vale of glamorgan, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
walthamstow, south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Ruislip, south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Orpington, south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Hillingdon, south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
Pinner, south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
london (kenley), south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
london (morden), south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
london (chislehurst), south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
london (putney), south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
london (teddington), south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯
london (beckenham), south east england, united kingdom Hybrid / WFH Options
Sky
optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of … to non-technical and technical audiences. Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation. Mediate potential conflicts and foster solutions-oriented discussions with stakeholders. Establish and maintain efficient and scalable performance testing … automation framework. Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution. Conduct discovery process to specify scope, extent and type of Performance testing required. Able to define and troubleshoot Test environments to identify issues across System integration or component NFT. What you'll bring Experience in performanceMore ❯