26 to 45 of 45 Performance Testing Jobs in London

Infrastructure Tester

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£42000 - £45000/annum
Infrastructure Tester +Permanent opportunity +Hybrid working on site in London 2/3 days a week +£42,000 - £45,000 Skills: +Infrastructure Testing experience +AWS/Azure +API +Manual and automated testing experience We're looking for a hands-on Tester who's as comfortable checking infrastructure … deployments and systems performance as they are validating user journeys in an app. You'll work across a range of environments - from cloud setups and APIs to end-user interfaces - ensuring everything we ship is rock solid, performant, and secure. This isn't a "click-around-and-tick-boxes ...

Senior Software Development Engineer in Test (f/m/d)

Hiring Organisation
Awin
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Your 'customer' is the feature developer, and your 'product' is the test infrastructure they use every day. You are a pragmatic engineer who sees testing as a code problem, not a manual task. You will assess our technical bottlenecks and execute a plan to modernize our foundation. You will … Engineering, delivering the tooling needed to support a highvelocity culture. Key Tasks Be the lead builder of our quality foundation. You are not just testing; you are building the core, compounding assets that will make quality scalable across 50+ engineers. This is about building the "paved road"—the tooling ...

Flexcube QA-Testing Analyst

Hiring Organisation
Zenith Bank (UK) Limited
Location
London Area, United Kingdom
Zenith Bank (UK) Limited (ZBUK) is a subsidiary of Zenith Bank PLC, the most profitable bank in Nigeria with an established trajectory of superlative performance, as well a strong pedigree of innovation, resilience, and market dominance. On an annual basis, Zenith Bank PLC amasses a string of notable awards … highly skilled workforce to achieve its strategic and operational goals. The bank is committed to providing an environment that is conducive for effective performance by availing all staff the necessary learning opportunity. We value the well-being of our staff and we encourage them to strike a balance between ...

Flexcube QA-Testing Analyst

Hiring Organisation
Zenith Bank (UK) Limited
Location
City of London, London, United Kingdom
Zenith Bank (UK) Limited (ZBUK) is a subsidiary of Zenith Bank PLC, the most profitable bank in Nigeria with an established trajectory of superlative performance, as well a strong pedigree of innovation, resilience, and market dominance. On an annual basis, Zenith Bank PLC amasses a string of notable awards … highly skilled workforce to achieve its strategic and operational goals. The bank is committed to providing an environment that is conducive for effective performance by availing all staff the necessary learning opportunity. We value the well-being of our staff and we encourage them to strike a balance between ...

Senior Java Consultant

Hiring Organisation
Stott and May
Location
London Area, United Kingdom
customer experience. You will work with modern engineering practices and cutting-edge technologies—including microservices, event-driven architectures, and cloud platforms—to build high-performance systems in a fast-paced environment. Key Responsibilities Develop, enhance, and maintain backend services using Java, Spring Boot, and Spring Security. Design and implement … using Confluent Kafka. Build, maintain, and optimize CI/CD pipelines using GitHub Actions, Jenkins, and shell scripting. Write and execute unit, integration, and performance tests using Mockito, Gatling, and JMeter. Monitor system performance, troubleshoot issues, and ensure reliability using New Relic and Grafana. Collaborate with cross-functional ...

Senior Java Consultant

Hiring Organisation
Stott and May
Location
City of London, London, United Kingdom
customer experience. You will work with modern engineering practices and cutting-edge technologies—including microservices, event-driven architectures, and cloud platforms—to build high-performance systems in a fast-paced environment. Key Responsibilities Develop, enhance, and maintain backend services using Java, Spring Boot, and Spring Security. Design and implement … using Confluent Kafka. Build, maintain, and optimize CI/CD pipelines using GitHub Actions, Jenkins, and shell scripting. Write and execute unit, integration, and performance tests using Mockito, Gatling, and JMeter. Monitor system performance, troubleshoot issues, and ensure reliability using New Relic and Grafana. Collaborate with cross-functional ...

Senior Java Software Engineer

Hiring Organisation
Signify Technology
Location
London Area, United Kingdom
relational and/or NoSQL databases . Knowledge of Docker, Kubernetes , and cloud-native engineering. Solid understanding of Git, CI/CD pipelines, automated testing , and engineering best practices. Experience with unit, integration, and performance testing . Hands-on use of Jenkins for CI/CD automation. ...

Senior Java Software Engineer

Hiring Organisation
Signify Technology
Location
City of London, London, United Kingdom
relational and/or NoSQL databases . Knowledge of Docker, Kubernetes , and cloud-native engineering. Solid understanding of Git, CI/CD pipelines, automated testing , and engineering best practices. Experience with unit, integration, and performance testing . Hands-on use of Jenkins for CI/CD automation. ...

Software Engineer in Test

Hiring Organisation
Accolite
Location
London Area, United Kingdom
Position Type: Contract JD: 6+ Yrs of experience in an automation testing. Experience of creating and maintaining automation frameworks (Cypress). Good knowledge of performance testing (ideally Jmeter). Good knowledge of BDD and TDD tools (ideally Cucumber). Ability to read and interpret code (Java Script/ ...

Software Engineer in Test

Hiring Organisation
Accolite
Location
City of London, London, United Kingdom
Position Type: Contract JD: 6+ Yrs of experience in an automation testing. Experience of creating and maintaining automation frameworks (Cypress). Good knowledge of performance testing (ideally Jmeter). Good knowledge of BDD and TDD tools (ideally Cucumber). Ability to read and interpret code (Java Script/ ...

Mobile Engineer

Hiring Organisation
develop
Location
London Area, United Kingdom
technical direction and architectural decisions for mobile Lead the build of a brand-new greenfield mobile app (iOS & Android) Raise engineering standards around performance, testing, and reliability Work closely with product, backend, and design teams to ship impactful features Mentor engineers and help grow a mobile team around … What They’re Looking For Technical 4+ years’ experience building production-grade mobile applications Strong React Native and TypeScript experience Solid understanding of mobile performance, security, and best practices Experience writing automated tests and maintaining high code quality Comfortable working across the stack and collaborating with backend teams Ways ...

Mobile Engineer

Hiring Organisation
develop
Location
City of London, London, United Kingdom
technical direction and architectural decisions for mobile Lead the build of a brand-new greenfield mobile app (iOS & Android) Raise engineering standards around performance, testing, and reliability Work closely with product, backend, and design teams to ship impactful features Mentor engineers and help grow a mobile team around … What They’re Looking For Technical 4+ years’ experience building production-grade mobile applications Strong React Native and TypeScript experience Solid understanding of mobile performance, security, and best practices Experience writing automated tests and maintaining high code quality Comfortable working across the stack and collaborating with backend teams Ways ...

NetSuite Technical Lead (Consultant)

Hiring Organisation
Oracle
Location
London Area, United Kingdom
trusted advisor, technical solution architect, and technical consultant, the TECHNICAL LEAD role provides technical architect consulting services, including: Holistic technical design reviews Performance and scalability Optimization of integrations and NetSuite customizations Data management consultation and guidance Consultative guidance on ERP leading practices Using deep technical experience, TECHNICAL LEADs analyze … various levels within a customer's and/or partner's organization Strong analytical skills Demonstrated expertise in one or more of the following: performance, integrations, technical architecture or software development Demonstrated experience in end-to-end business process flows Hands on Experience in the following areas are required ...

NetSuite Technical Lead (Consultant)

Hiring Organisation
Oracle
Location
City of London, London, United Kingdom
trusted advisor, technical solution architect, and technical consultant, the TECHNICAL LEAD role provides technical architect consulting services, including: Holistic technical design reviews Performance and scalability Optimization of integrations and NetSuite customizations Data management consultation and guidance Consultative guidance on ERP leading practices Using deep technical experience, TECHNICAL LEADs analyze … various levels within a customer's and/or partner's organization Strong analytical skills Demonstrated expertise in one or more of the following: performance, integrations, technical architecture or software development Demonstrated experience in end-to-end business process flows Hands on Experience in the following areas are required ...

NetSuite Technical Lead (Consultant)

Hiring Organisation
Oracle
Location
South London, UK
Employment Type
Full-time
trusted advisor, technical solution architect, and technical consultant, the TECHNICAL LEAD role provides technical architect consulting services, including: Holistic technical design reviews Performance and scalability Optimization of integrations and NetSuite customizations Data management consultation and guidance Consultative guidance on ERP leading practices Using deep technical experience, TECHNICAL LEADs analyze … various levels within a customer's and/or partner's organization Strong analytical skills Demonstrated expertise in one or more of the following: performance, integrations, technical architecture or software development Demonstrated experience in end-to-end business process flows Hands on Experience in the following areas are required ...

Monitoring Tools Support, Assoc Manager / Specialist

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
compute pioneers to lead the charge on next-generation infrastructure for sovereign AI. To support this endeavour, we’re building a high-performance compute operations team in London. Our work will be sensitive, secure, 24x7 and on the most up-to-date high density compute stacks available. Shift teams … seek candidates who can be cleared to SC, willing to work shifts, have experience of technical operations work and have either the high performance compute skills or a proven track record in adopting new skillsets. Any offer of employment is subject to satisfactory BPSS and SC security clearance which ...

Staff Rust Engineer (freelance contract, remote United Kingdom)

Hiring Organisation
Zero to One Search | Recruitment Agency
Location
London, UK
Employment Type
Full-time
search of a solution-oriented Rust Software Engineer (Backend) with deep, demonstrable expertise and experience in Rust, to work on secure, scalable, and high-performance backend systems. You will be responsible for the continued enhancement and development of a multi-component platform, where your expert skills in designing, architecting … building quality systems will intersect with your hands-on coding, performance testing, and integration experience. Responsibilities: Build and deliver secure, high-quality features and improvements using Rust. Experience in TypeScript and Dart will set you above other applicants for this role Create standards-compliant world-class software systems ...

Information Communication Technology Manager, EMEA

Hiring Organisation
CloudHQ, LLC
Location
London, UK
Employment Type
Full-time
Delivery Lead design and coordination of ICN/OT network systems to ensure timely and compliant infrastructure integration. Manage structured cabling design, installation, and testing for data centers. Oversee LAN, WAN, and wireless network configurations aligned with CloudHQ's technical architecture. Project Management & Compliance Conduct site inspections to verify … fiber and copper) LAN/Wireless networks and backbone infrastructure ICT room and distribution layouts Integration between corporate IT and facility control networks Manage testing, validation, and handover of completed ICT systems. Support tendering and bid activities to ensure alignment with CloudHQ preferred vendors and technologies. Stakeholder & Vendor Management ...

Senior Backend Engineer

Hiring Organisation
Reelables
Location
London Area, United Kingdom
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 … 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 ...

Senior Backend Engineer

Hiring Organisation
Reelables
Location
City of London, London, United Kingdom
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 … 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 ...