276 to 300 of 308 Permanent Performance Testing Jobs

variety of clients. Build bespoke themes and plugins to support complex design and functionality. Collaborate with designers to translate visual concepts into pixel-perfect, responsive builds. Optimise sites for performance, accessibility, and SEO. Integrate APIs, CRMs, and third-party tools as required. Troubleshoot, debug, and enhance site performance. Stay up to date with the latest trends in WordPress and … dynamic agency setting. Nice to Have Experience with SEO and analytics integrations (GA4, Tag Manager). Understanding of modern front-end workflows (npm, Webpack). Exposure to accessibility and performance testing tools. What's on Offer Competitive salary based on experience. Hybrid or remote working options. Opportunity to work on exciting, high-profile projects. Supportive, creative team culture More ❯

providers such as Zoom and other telephony partners to ensure secure and efficient call operations. Implement and utilise monitoring and logging tools (e.g., Datadog ) for log management, alerting, and performance testing. Ensure SIP (Session Initiation Protocol) and related telephony configurations are secure and functioning correctly. Key Skills & Experience Proven experience in AWS Security Engineering and vulnerability management. Strong background More ❯

experience) London Our Client An established UK communications infrastructure provider is looking for a Design Engineer specialising in IP networking, Ethernet, and Wi-Fi systems. Known for delivering high-performance solutions in complex, large-scale environments, the company works across sectors to design, install, and commission advanced connectivity systems. Their approach combines technical precision, robust engineering practices, and a … focus on long-term reliability, enabling them to deliver projects that meet demanding performance and security standards. The Role The Design Engineer will be responsible for developing detailed technical designs, specifications, schedules, CAD drawings, and documentation for IP networking and wireless communication systems. The role covers the full lifecycle from site survey to commissioning, ensuring network infrastructure meets capacity … availability, and security requirements. Key responsibilities include network modelling, capacity planning, performance optimisation, and overseeing commissioning activities. The successful candidate will work closely with internal teams and external partners to deliver innovative, fit-for-purpose networking solutions for high-profile projects. The ideal candidate will have a strong track record in IP network design and delivery, with experience in More ❯

experience) London Our Client An established UK communications infrastructure provider is looking for a Design Engineer specialising in IP networking, Ethernet, and Wi-Fi systems. Known for delivering high-performance solutions in complex, large-scale environments, the company works across sectors to design, install, and commission advanced connectivity systems. Their approach combines technical precision, robust engineering practices, and a … focus on long-term reliability, enabling them to deliver projects that meet demanding performance and security standards. The Role The Design Engineer will be responsible for developing detailed technical designs, specifications, schedules, CAD drawings, and documentation for IP networking and wireless communication systems. The role covers the full lifecycle from site survey to commissioning, ensuring network infrastructure meets capacity … availability, and security requirements. Key responsibilities include network modelling, capacity planning, performance optimisation, and overseeing commissioning activities. The successful candidate will work closely with internal teams and external partners to deliver innovative, fit-for-purpose networking solutions for high-profile projects. The ideal candidate will have a strong track record in IP network design and delivery, with experience in More ❯

experience) London Our Client An established UK communications infrastructure provider is looking for a Design Engineer specialising in IP networking, Ethernet, and Wi-Fi systems. Known for delivering high-performance solutions in complex, large-scale environments, the company works across sectors to design, install, and commission advanced connectivity systems. Their approach combines technical precision, robust engineering practices, and a … focus on long-term reliability, enabling them to deliver projects that meet demanding performance and security standards. The Role The Design Engineer will be responsible for developing detailed technical designs, specifications, schedules, CAD drawings, and documentation for IP networking and wireless communication systems. The role covers the full lifecycle from site survey to commissioning, ensuring network infrastructure meets capacity … availability, and security requirements. Key responsibilities include network modelling, capacity planning, performance optimisation, and overseeing commissioning activities. The successful candidate will work closely with internal teams and external partners to deliver innovative, fit-for-purpose networking solutions for high-profile projects. The ideal candidate will have a strong track record in IP network design and delivery, with experience in More ❯

This role will involve all aspects of physical network infrastructure including copper (CAT5/6/7), fibre (single mode and multi mode), and containment installation, as well as performance testing (fluke/OTDR), therefore the successful engineer will be competent in each of these areas. The successful engineer will: Be able to diagnose problems and suggest solutions. More ❯

This role will involve all aspects of physical network infrastructure including copper (CAT5/6/7), fibre (single mode and multi mode), and containment installation, as well as performance testing (fluke/OTDR), therefore the successful engineer will be competent in each of these areas. The successful engineer will: Be able to diagnose problems and suggest solutions. More ❯

This role will involve all aspects of physical network infrastructure including copper (CAT5/6/7), fibre (single mode and multi mode), and containment installation, as well as performance testing (fluke/OTDR), therefore the successful engineer will be competent in each of these areas. The successful engineer will: Be able to diagnose problems and suggest solutions. More ❯

practices documentation and reusable frameworks to expedite project execution Troubleshoot and resolve complex functional, deployment, or systemic issues with enterprise software applications and custom solutions Support UAT, QA and Performance testing initiatives to meet functional and non- functional requirements More ❯

delivering hardware, software and systems solutions. This Systems Engineer role may focus on one or more of the following areas:Test & Integration Engineering: hardware/software validation, verification, and performance testing Requirements Engineering: documenting, analyzing, and managing system requirements Model-Based Systems Engineering (MBSE): system modeling, simulations, and design analysis Hardware-Systems Engineering: design, integration, and troubleshooting of More ❯

be to install, configure and maintain Linux systems for both production and test & development based environments including security patch management. You will also manage active virtual machines, monitor server performance and identify any vulnerabilities. The ideal candidate will have the following skills and experience: Linux systems administration skills Virtual Machine Hosts Backup and Recovery Performance Testing and More ❯

offer guaranteed training, progression, and is known in the industry to be a great place to work. This company of one of the UK's largest suppliers of building performance testing and services. Due to an increased workload, they are looking to add to their team with the addition of two product engineers to help them facilitate this More ❯

Job Overview We're seeking a detail-oriented QA Engineer to ensure the quality, reliability, and performance of our fintech and financial education platforms. You will design and execute tests, identify issues, and collaborate with development teams to deliver a seamless user experience. Key Responsibilities: Develop and execute manual and automated test plans for web and mobile applications. Identify … document, and track software defects and issues. Collaborate with developers and product teams to resolve bugs and improve system performance. Conduct regression, integration, and performance testing. Maintain testing documentation and provide clear reporting on quality metrics. Recommend process improvements to enhance software quality and efficiency. Stay updated on QA tools, methodologies, and industry best practices. Requirements: Proven experience … as a QA Engineer, Software Tester, or similar role. Experience with automated testing tools (Selenium, Cypress, JUnit, etc.) is preferred. Strong knowledge of QA methodologies, processes, and best practices. Excellent analytical, problem-solving, and attention-to-detail skills. Understanding of software development life cycle (SDLC) and Agile methodologies. Experience in fintech, SaaS, or educational platforms is advantageous. Benefits: Work More ❯

Ready to build the high-performance logic powering next-generation logistics? Join Reelables and architect the core back-end services that process and serve data for millions of smart labels worldwide! This isn't just back-end development – you're building the mission-critical application layer that handles massive IoT data streams, ensures millisecond latency for global supply chains … and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature data from every corner of the globe, building robust, low-latency APIs that power logistics decisions worth millions of … that power both our customer-facing platform and third-party logistics integrations. Ensure the application layer can scale seamlessly and cost-effectively from startup to enterprise-level traffic peaks. Performance & Reliability Build fault-tolerant, self-healing application services with comprehensive unit, integration, and performance testing. Implement advanced security best practices within the application code and API gateways for More ❯

Ready to build the high-performance logic powering next-generation logistics? Join Reelables and architect the core back-end services that process and serve data for millions of smart labels worldwide! This isn't just back-end development – you're building the mission-critical application layer that handles massive IoT data streams, ensures millisecond latency for global supply chains … and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature data from every corner of the globe, building robust, low-latency APIs that power logistics decisions worth millions of … that power both our customer-facing platform and third-party logistics integrations. Ensure the application layer can scale seamlessly and cost-effectively from startup to enterprise-level traffic peaks. Performance & Reliability Build fault-tolerant, self-healing application services with comprehensive unit, integration, and performance testing. Implement advanced security best practices within the application code and API gateways for More ❯

Ready to build the high-performance logic powering next-generation logistics? Join Reelables and architect the core back-end services that process and serve data for millions of smart labels worldwide! This isn't just back-end development – you're building the mission-critical application layer that handles massive IoT data streams, ensures millisecond latency for global supply chains … and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature data from every corner of the globe, building robust, low-latency APIs that power logistics decisions worth millions of … that power both our customer-facing platform and third-party logistics integrations. Ensure the application layer can scale seamlessly and cost-effectively from startup to enterprise-level traffic peaks. Performance & Reliability Build fault-tolerant, self-healing application services with comprehensive unit, integration, and performance testing. Implement advanced security best practices within the application code and API gateways for More ❯

Ready to build the high-performance logic powering next-generation logistics? Join Reelables and architect the core back-end services that process and serve data for millions of smart labels worldwide! This isn't just back-end development – you're building the mission-critical application layer that handles massive IoT data streams, ensures millisecond latency for global supply chains … and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature data from every corner of the globe, building robust, low-latency APIs that power logistics decisions worth millions of … that power both our customer-facing platform and third-party logistics integrations. Ensure the application layer can scale seamlessly and cost-effectively from startup to enterprise-level traffic peaks. Performance & Reliability Build fault-tolerant, self-healing application services with comprehensive unit, integration, and performance testing. Implement advanced security best practices within the application code and API gateways for More ❯

Ready to build the high-performance logic powering next-generation logistics? Join Reelables and architect the core back-end services that process and serve data for millions of smart labels worldwide! This isn't just back-end development – you're building the mission-critical application layer that handles massive IoT data streams, ensures millisecond latency for global supply chains … and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature data from every corner of the globe, building robust, low-latency APIs that power logistics decisions worth millions of … that power both our customer-facing platform and third-party logistics integrations. Ensure the application layer can scale seamlessly and cost-effectively from startup to enterprise-level traffic peaks. Performance & Reliability Build fault-tolerant, self-healing application services with comprehensive unit, integration, and performance testing. Implement advanced security best practices within the application code and API gateways for More ❯

business strategy, Inspiring people, achieving their full commitment to do the extraordinary. What you'll need Good understanding of design patterns and build activities across the SDLC including unit testing, system testing, integration, security and performance testing. Experience integrating with distributed event-based systems (e.g., Kafka), API gateways, and service meshes. Have experiences in systems engineering or … just let us know. We also offer a wide-ranging benefits package, which includes: A generous pension contribution of up to 15% An annual bonus award, subject to Group performance Share schemes including free shares Benefits you can adapt to your lifestyle, such as discounted shopping 30 days' holiday, with bank holidays on top A range of wellbeing initiatives More ❯

Application Test Manager London (Hybrid)/Dubai Duration: 6 Months rolling Role Overview The Application Test Manager will lead the planning, coordination, and execution of all testing activities for applications migrating to the new low-latency real-time platform. This role provides the assurance that every application rehosted or refactored under the programme is functionally sound, operationally stable, and … performance-ready for production cutover. The position demands a blend of technical depth, delivery discipline, and stakeholder management , working across multiple application domains, engineering teams, and programme workstreams. Key Responsibilities 1. Test Strategy & Governance Develop and own the Master Test Strategy and associated governance framework. Define quality gates, entry/exit criteria , and reporting standards for SIT, UAT, and … execution schedules with programme migration waves and delivery milestones. Standardise test documentation, templates, and defect-management processes across all workstreams. 2. Test Planning & Execution Coordinate end-to-end application testing , including functional, regression, integration, and performance testing. Ensure each migration wave meets defined readiness criteria before production deployment. Lead System Integration Testing (SIT) and support UAT execution More ❯

Application Test Manager London (Hybrid)/Dubai Duration: 6 Months rolling Role Overview The Application Test Manager will lead the planning, coordination, and execution of all testing activities for applications migrating to the new low-latency real-time platform. This role provides the assurance that every application rehosted or refactored under the programme is functionally sound, operationally stable, and … performance-ready for production cutover. The position demands a blend of technical depth, delivery discipline, and stakeholder management , working across multiple application domains, engineering teams, and programme workstreams. Key Responsibilities 1. Test Strategy & Governance Develop and own the Master Test Strategy and associated governance framework. Define quality gates, entry/exit criteria , and reporting standards for SIT, UAT, and … execution schedules with programme migration waves and delivery milestones. Standardise test documentation, templates, and defect-management processes across all workstreams. 2. Test Planning & Execution Coordinate end-to-end application testing , including functional, regression, integration, and performance testing. Ensure each migration wave meets defined readiness criteria before production deployment. Lead System Integration Testing (SIT) and support UAT execution More ❯

Application Test Manager London (Hybrid)/Dubai Duration: 6 Months rolling Role Overview The Application Test Manager will lead the planning, coordination, and execution of all testing activities for applications migrating to the new low-latency real-time platform. This role provides the assurance that every application rehosted or refactored under the programme is functionally sound, operationally stable, and … performance-ready for production cutover. The position demands a blend of technical depth, delivery discipline, and stakeholder management , working across multiple application domains, engineering teams, and programme workstreams. Key Responsibilities 1. Test Strategy & Governance Develop and own the Master Test Strategy and associated governance framework. Define quality gates, entry/exit criteria , and reporting standards for SIT, UAT, and … execution schedules with programme migration waves and delivery milestones. Standardise test documentation, templates, and defect-management processes across all workstreams. 2. Test Planning & Execution Coordinate end-to-end application testing , including functional, regression, integration, and performance testing. Ensure each migration wave meets defined readiness criteria before production deployment. Lead System Integration Testing (SIT) and support UAT execution More ❯

Application Test Manager London (Hybrid)/Dubai Duration: 6 Months rolling Role Overview The Application Test Manager will lead the planning, coordination, and execution of all testing activities for applications migrating to the new low-latency real-time platform. This role provides the assurance that every application rehosted or refactored under the programme is functionally sound, operationally stable, and … performance-ready for production cutover. The position demands a blend of technical depth, delivery discipline, and stakeholder management , working across multiple application domains, engineering teams, and programme workstreams. Key Responsibilities 1. Test Strategy & Governance Develop and own the Master Test Strategy and associated governance framework. Define quality gates, entry/exit criteria , and reporting standards for SIT, UAT, and … execution schedules with programme migration waves and delivery milestones. Standardise test documentation, templates, and defect-management processes across all workstreams. 2. Test Planning & Execution Coordinate end-to-end application testing , including functional, regression, integration, and performance testing. Ensure each migration wave meets defined readiness criteria before production deployment. Lead System Integration Testing (SIT) and support UAT execution More ❯

Application Test Manager London (Hybrid)/Dubai Duration: 6 Months rolling Role Overview The Application Test Manager will lead the planning, coordination, and execution of all testing activities for applications migrating to the new low-latency real-time platform. This role provides the assurance that every application rehosted or refactored under the programme is functionally sound, operationally stable, and … performance-ready for production cutover. The position demands a blend of technical depth, delivery discipline, and stakeholder management , working across multiple application domains, engineering teams, and programme workstreams. Key Responsibilities 1. Test Strategy & Governance Develop and own the Master Test Strategy and associated governance framework. Define quality gates, entry/exit criteria , and reporting standards for SIT, UAT, and … execution schedules with programme migration waves and delivery milestones. Standardise test documentation, templates, and defect-management processes across all workstreams. 2. Test Planning & Execution Coordinate end-to-end application testing , including functional, regression, integration, and performance testing. Ensure each migration wave meets defined readiness criteria before production deployment. Lead System Integration Testing (SIT) and support UAT execution More ❯

Application Test Manager London (Hybrid)/Dubai Duration: 6 Months rolling Role Overview The Application Test Manager will lead the planning, coordination, and execution of all testing activities for applications migrating to the new low-latency real-time platform. This role provides the assurance that every application rehosted or refactored under the programme is functionally sound, operationally stable, and … performance-ready for production cutover. The position demands a blend of technical depth, delivery discipline, and stakeholder management , working across multiple application domains, engineering teams, and programme workstreams. Key Responsibilities 1. Test Strategy & Governance Develop and own the Master Test Strategy and associated governance framework. Define quality gates, entry/exit criteria , and reporting standards for SIT, UAT, and … execution schedules with programme migration waves and delivery milestones. Standardise test documentation, templates, and defect-management processes across all workstreams. 2. Test Planning & Execution Coordinate end-to-end application testing , including functional, regression, integration, and performance testing. Ensure each migration wave meets defined readiness criteria before production deployment. Lead System Integration Testing (SIT) and support UAT execution More ❯