401 to 425 of 548 Performance Testing Jobs in the UK

execute comprehensive test plans for data migrations, database implementations, and ETL processes. Perform data validation and ensure data integrity throughout the migration process. Implement integrated test automation to streamline testing procedures and increase efficiency. Utilize SQL query capabilities to analyze and manipulate data for testing and validation purposes. Conduct database load and performance tests to assess system … scalability and identify potential bottlenecks. Skills and Experience: Proven experience in testing data migrations, database implementations, and Data Lake environments. Familiarity with cloud environments, especially Azure, is highly desirable. Strong knowledge of SQL and experience in writing complex queries for data validation and testing. Proficiency in data validation techniques and the ability to identify and troubleshoot data quality issues. … Experience or familiarity with integrated test automation tools and frameworks. Familiarity with performance testing methodologies and tools for assessing database load and system scalability. Excellent analytical skills and attention to detail, ensuring high-quality testing and accurate results. Strong communication and collaboration skills to work effectively with cross-functional teams. Person Specification: Worked in a consumer-facing More ❯

Software Development Engineer in Test (SDET) Hybrid Working in London - 3 Days on-site per week £90k - £120k + Benefits + Bonus Are you a skilled leader in software testing with a passion for driving quality and innovation? Our client is seeking a Lead Java SDET to oversee testing strategies, mentor a talented team, and deliver scalable, robust … services for their advanced platform. What You'll Do Lead and mentor a small team of SDETs, managing performance and hiring. Drive testing strategies with a focus on shift-left principles and automation best practices. Design and build advanced automation frameworks, tools, and comprehensive test coverage. Collaborate with developers to enhance test planning, execution, and issue resolution. Propose … maintaining shared libraries and documentation. What You Bring 8+ years of test development experience, including 2+ years leading a team. Strong expertise in Java, object-oriented principles, and unit testing frameworks (e.g., JUnit). Experience testing backend systems or APIs, with knowledge of REST, JSON, or Thrift. Bonus: Familiarity with Selenium WebDriver, Jenkins, big data technologies (Hadoop, Kafka More ❯

Software Development Engineer in Test (SDET)Hybrid Working in London - 3 Days on-site per week £90k - £120k + Benefits + Bonus Are you a skilled leader in software testing with a passion for driving quality and innovation? Our client is seeking a Lead Java SDET to oversee testing strategies, mentor a talented team, and deliver scalable, robust … services for their advanced platform. What You'll Do Lead and mentor a small team of SDETs, managing performance and hiring. Drive testing strategies with a focus on shift-left principles and automation best practices. Design and build advanced automation frameworks, tools, and comprehensive test coverage. Collaborate with developers to enhance test planning, execution, and issue resolution. Propose … maintaining shared libraries and documentation. What You Bring 8+ years of test development experience, including 2+ years leading a team. Strong expertise in Java, object-oriented principles, and unit testing frameworks (e.g., JUnit). Experience testing backend systems or APIs, with knowledge of REST, JSON, or Thrift. Bonus: Familiarity with Selenium WebDriver, Jenkins, big data technologies (Hadoop, Kafka More ❯

ENGINEER PERMANENT CRAWLEY West Sussex My client is developing world-class flight simulators that are shaping the future of aviation training. Within these roles you will be delivering high-performance, real-time systems for the aerospace industry. SYSTEM ENGINEER: • Requirements Management: o Elicit, capture, analyse, and validate system requirements from stakeholders including customers, regulatory bodies (e.g., FAA, EASA), and … and third-party components. o Create and manage system models using tools like SysML/UML or Model-Based Systems Engineering (MBSE) frameworks. • System Analysis: o Perform functional and performance analysis of simulation systems, identifying potential design risks and mitigation strategies. o Conduct trade studies to evaluate design options against performance, cost, and schedule constraints. o Use analytical … tools and simulations to verify system behaviors and performance predictions. • Systems Development Lifecycle (SDLC): o Lead or participate in all phases of the SDLC from concept, requirements, design, implementation, integration, verification/validation, and deployment. o Support integration and test teams by defining verification and validation plans and criteria. o Participate in technical reviews and audits (PDR, CDR, TRR More ❯

ENGINEER – PERMANENT – CRAWLEY West Sussex My client is developing world-class flight simulators that are shaping the future of aviation training. Within these roles you will be delivering high-performance, real-time systems for the aerospace industry. SYSTEM ENGINEER: • Requirements Management: o Elicit, capture, analyse, and validate system requirements from stakeholders including customers, regulatory bodies (e.g., FAA, EASA), and … and third-party components. o Create and manage system models using tools like SysML/UML or Model-Based Systems Engineering (MBSE) frameworks. • System Analysis: o Perform functional and performance analysis of simulation systems, identifying potential design risks and mitigation strategies. o Conduct trade studies to evaluate design options against performance, cost, and schedule constraints. o Use analytical … tools and simulations to verify system behaviors and performance predictions. • Systems Development Lifecycle (SDLC): o Lead or participate in all phases of the SDLC—from concept, requirements, design, implementation, integration, verification/validation, and deployment. o Support integration and test teams by defining verification and validation plans and criteria. o Participate in technical reviews and audits (PDR, CDR, TRR More ❯

degrees, and graduates with some professional work experience About Capacitas Founded in 2002 and based in London, Capacitas is the only consulting firm specialising exclusively in reducing cost and performance risk in business-critical IT systems: We are thought‐leaders and trusted advisors in IT Performance Assurance We have a unique methodology that strikes the balance between service … have extensive experience protecting high revenue, high availability clients We invest in R&D - developing solutions to enable fast, efficient and scalable delivery At Capacitas we know what great performance looks like for our clients and their customers. We enable our client’s IT systems to be available, fast and cost efficient without slowing their rate of business change. … talented colleagues, delivering work for our clients. The range of projects you work on will vary according to current demand and your professional development needs. Typical projects include: Designing performance test plans to address performance risk Demand forecasting/planning Development of capacity and performance models Proactive system monitoring to identify performance risks You will report More ❯

develop solutions to ensure seamless system performance. Maintain and optimise system configurations for improved operational efficiency and system reliability. Verification & Validation: Define and execute test plans to verify system performance, functionality, and safety. Ensure all simulation systems meet regulatory standards and performance metrics required for certification. Develop and conduct test procedures to validate the accuracy and reliability of … are met prior to acceptance. Conduct customer-specific system tests and demonstrations to gain sign-off on system readiness. Provide expert guidance and support to customers during the acceptance testing process, addressing any concerns or adjustments needed. Issue Resolution: Respond to system issues identified during testing or customer feedback and collaborate with internal teams to resolve them promptly. … issue mitigation. Job Requirements Experience in systems V&V, systems test, and systems engineering within the aerospace or defence sectors. Proficiency in system integration, hardware/software interfaces, and performance testing. Familiarity with industry standards and certifications, such as DO-178C or DO-254. Strong analytical and problem-solving skills with the ability to address complex issues swiftly. Excellent More ❯

applications, particularly with .NET 6/8. Experience with app authentication using Azure AD/B2C. Scripting and Automation: Proficient in scripting and automation with Python, Bash, or PowerShell. Performance & Scalability: Experience with performance testing, auto-scaling strategies, and database performance tuning. Security & Best Practices: Knowledge of security best practices in cloud environments. Additional Experience: Experience … with Python, SQL, and NoSQL database performance tuning, as well as progressive deployment techniques, would be highly desirable. The successful Azure DevOps Engineer/SRE will earn up to £80,000 and in addition there are exceptional benefits which come as part of the overall package including: 15% bonus, 9% pension, training budget, weekly team lunches, travel loans and More ❯

fuelled initiatives with a secure and testable framework Design, develop, and maintain high-quality software solutions using modern programming techniques and best practices. Ensure quality through functional, unit and performance testing; work closely with testing by providing thorough reviews of the test plan and communicates when updates to the plan should be made to cover code changes … management requirements to features and actionable items. Required Qualifications: 2 years experience in developing applications using an object-oriented language with a focus on best practices, design patterns and performance optimization. Bachelor's degree in a relevant field, preferably Computer Science or Artificial Intelligence. An equivalent combination of related education, training and experience may be considered in place of More ❯

inclusion, and respect Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts and expanding applied experience Hands-on practical experience in system design, application development, testing, and operational stability Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages Proficient in coding … applications and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) Experience in defining test scenarios and automating unit and integration tests. Skilled in performance testing and code optimization. Proficient with Oracle and Cassandra databases. Experienced in build and deployment processes using Bitbucket, Git, Jules and CLOUD. . Possesses excellent problem-solving skills More ❯

GKE, Terraform). Backup and restore planning, account template creation, and integration with systems like AD, Exchange, Linux. Experience with application servers (WebLogic, WebSphere), Java/J2EE, XML, and performance testing. Knowledge of GCP, LDAP-based authentication, data modeling, and design artifacts. Proficiency in Java 8+, Spring Boot, RDBMS (Oracle, Postgres), microservices, Kubernetes, and cloud functions. Understanding of authentication More ❯

industry's IT provider, delivering solutions for airlines, airports, aircraft, and governments. Their technology powers more seamless, safe, and sustainable air travel. They are looking to hire an experienced Performance Tester on a contract basis for an initial 6 months, with a potential to extend further. About the Role Working within the Borders business unit, The ideal candidate will … have experience in performance testing of UI, APIs, and messaging systems, with strong hands-on expertise in LoadRunner Suite, Azure/Jenkins pipelines, and Postman. This role will focus on ensuring the performance, scalability, and reliability of our applications. Key Duties: • Design and execute performance test plans for UI, APIs, and messaging systems • Use LoadRunner Suite … and other tools to simulate load and analyse performance • Use Postman for API validation as part of performance testing flows • Identify bottlenecks and diagnose performance issues in complex systems • Collaborate with developers and architects to optimize application performance • Test and assess Single Page Applications (SPAs) developed in Angular • Generate detailed test reports with analysis and More ❯

solution (Automation Anywhere) to support a new Quotation System and urgently requires an experienced Automation QA Contractor . ? Location: Hybrid ? Contract: 3 months initially ? Start: ASAP End-to-end testing for RPA implementations (ideally Automation Anywhere, but UIPath/Blue Prism also considered) Define and execute test strategies across: System Testing Performance Testing UAT Help set … up automated testing where none currently exists Automation tools: Selenium, Cucumber, BDD, TDD Performance tools: JMeter or equivalent Experience in QA for RPA projects essential ? Ideal Candidate: Hands-on, self-starter – the team currently lacks a QA setup Comfortable working in fast-moving environments A true “Swiss Army knife” QA – adaptable, thorough, and proactive #J-18808-Ljbffr More ❯

Workflows, Flow Designer flows, and Integration Hub spokes. Support integrations using REST, SOAP, MID Server, Kafka, etc. Translate architecture/designs into scalable, performant code aligned with ServiceNow standards. Performance Optimization Profile and debug scripts, workflows, and queries to identify bottlenecks. Optimize GlideRecord, ACL performance, background jobs, and indexing. Collaborate with architects on performance improvement strategies. Code … Quality & Technical Debt Identify and resolve technical debt in custom modules. Participate in code reviews; refactor and write clean, modular code following best practices. Testing & Validation Conduct unit and regression testing; assist with performance testing. Use Instance Scan, Script Tracer, Debug Logs, etc. to troubleshoot and resolve issues. Agile Collaboration & Demo Readiness Actively participate in Agile/… Owners, and Developers to ensure business alignment. Prepare instances for demos/UATs: data setup, role mapping, and environment cleanup. Lead technical demos and ensure environments are stable and performance-tested. Release Support Define/manage release readiness criteria from a technical standpoint. Support bi-weekly feature releases, ensuring smooth and reliable delivery. Randstad Technologies is acting as an More ❯

Workflows, Flow Designer flows, and Integration Hub spokes. Support integrations using REST, SOAP, MID Server, Kafka, etc. Translate architecture/designs into scalable, performant code aligned with ServiceNow standards. Performance Optimization Profile and debug scripts, workflows, and queries to identify bottlenecks. Optimize GlideRecord, ACL performance, background jobs, and indexing. Collaborate with architects on performance improvement strategies. Code … Quality & Technical Debt Identify and resolve technical debt in custom modules. Participate in code reviews; refactor and write clean, modular code following best practices. Testing & Validation Conduct unit and regression testing; assist with performance testing. Use Instance Scan, Script Tracer, Debug Logs, etc. to troubleshoot and resolve issues. Agile Collaboration & Demo Readiness Actively participate in Agile/… Owners, and Developers to ensure business alignment. Prepare instances for demos/UATs: data setup, role mapping, and environment cleanup. Lead technical demos and ensure environments are stable and performance-tested. Release Support Define/manage release readiness criteria from a technical standpoint. Support bi-weekly feature releases, ensuring smooth and reliable delivery. Randstad Technologies is acting as an More ❯

s 1 million members by leading quality assurance efforts across mobile apps and digital platforms. You will work closely with internal teams and external suppliers to uphold and improve testing standards, focusing on maintaining and evolving their mobile app test automation framework built on Appium . Key requirements: We are looking for someone with hands-on expertise in both … automation and functional exploratory testing, with strong test planning skills and a quality-first mindset. The candidate should have solid experience with key QA tools for Mobile Apps, including: Appium Playwright Postman (API platform) Confluence for test and project documentation Continuous Integration tools Bonus points for experience with: An object-oriented programming language such as C# or Java Lighthouse … for performance testing (scripting and CI integration) Sonar for security analysis (scripting and CI integration) Lucidchart or Miro for visual test documentation Jira/Confluence or similar tools for managing user stories and sprint tasks #J-18808-Ljbffr More ❯

successful candidate will join our Systems Test Team, as a Senior Test Engineer, within the Engineering Department in New Malden. With the nature of our work being hands on testing of our products, the role is predominantly office based. The role will involve working closely with the wider Engineering Team to understand project requirements, defining and agreeing testing scope, and supporting all software and hardware testing functions. The role offers great opportunity to be part of the development of our Navigation solutions that form the Integrated Bridge System (IBS) solutions that we offer. As your product knowledge increases, the role of the Senior Systems Test Engineer also becomes that to support our Lead Test Engineer and … Manager in the planning and coordination of our teams' testing activities, driving efficiency and quality improvements, and supporting our team in all aspects of their work. About You Key Responsibilities Taking ownership of testing for more complex and higher-risk components of the system Product knowledge - deepening expertise in the product's architecture and functionality. Ability to independently More ❯

million members, by leading quality assurance efforts across the mobile app and digital platforms. You'll work closely with internal teams and external suppliers to uphold and improve testing standards, with a strong focus on maintaining and evolving their mobile app test automation framework built on Appium . Key requirements: We’re looking for someone who can clearly demonstrate … hands-on expertise across both automation and functional exploratory testing, with strong test planning skills and a quality-first mindset. You should have solid experience using key QA tools to a high standard on Mobile Apps, including: Appium Playwright Postman (API Platform) Confluence for test and project documentation Continuous Integration tools Bonus Points for experience with: An object-oriented … programming language such as C# or Java Lighthouse for performance testing (scripting and CI integration) Sonar for security analysis (scripting and CI integration) Lucidchart or Miro for visual test documentation Jira/Confluence or similar tools for managing user stories and sprint tasks #J-18808-Ljbffr More ❯

About the job you're considering Join our team as a Senior Non-Functional Testing (NFT) Consultant , for one of our financial service organisations. In this role, you won't just be executing tests - you'll be leading test assurance and governance across a complex, multi-vendor environment. You'll work closely with senior stakeholders (CTO, COO, Head of … IT) and suppliers, ensuring that non-functional requirements are met with precision and foresight. This is a strategic leadership role where your expertise in Operational Acceptance Testing (OAT), performance testing, and stakeholder engagement will be critical. You'll shape test strategies, influence supplier delivery, and ensure operational readiness across cloud, data, and infrastructure programmes. Hybrid working: The … management Collaborate closely with SIAM to understand the Ops requirement and coordinate with suppliers to ensure the solution covers SIAM requirements Create NFT test strategy, providing assurance on NFT testing approach including performance, pen testing, operational acceptance, etc. You can bring your whole self to work. At Capgemini building an inclusive future is part of everyday life More ❯

through pair programming. Defining quality standards and expectations. Required skills and experience: Strong understanding of object-oriented programming. Knowledge of the REACT ecosystem is a plus. Experience with React Testing Library and Cypress. Experience with RTL and performance testing is advantageous. Understanding of BDD and collaboration with product managers and developers. Ability to develop and implement test … strategies and automation frameworks. Participation in architectural discussions and non-functional testing requirements. Experience with CI tools like GitLab, Jenkins, Bamboo. Testing web services, APIs, web applications, and data. Knowledge of GIT version control and branching strategies. Familiarity with monitoring and logging tools. Experience with Agile methodologies. #J-18808-Ljbffr More ❯

/Radix. Cross-Functional Collaboration: Work closely with backend engineers, UX designers, and product managers to deliver features from concept to deployment. Tooling & Dev Experience: Improve front-end tooling, testing strategies (unit, integration, E2E, visual regression), and developer workflows. Advocate for Best Practices: Champion accessibility, performance, testing, and continuous refactoring. Lead by Example: Be hands-on—writing … introducing front-end best practices in collaboration with the team. Our Front-End Stack: Frameworks & Libraries: React, Shadcn UI, Radix UI Styling: Tailwind CSS Tooling: Vite, Yarn, GitHub Actions Testing: Vitest, Playwright What We're Looking For: 7+ years of front-end development experience, including significant experience with React and modern TypeScript. Proven experience in designing and maintaining component … libraries and scalable front-end architectures. Deep understanding of state management patterns and performance optimization techniques. Experience integrating with design systems and implementing accessible, responsive UIs. Experience defining and implementing testing strategies (unit, integration, E2E, visual regression), setting best practices, and using tools like Playwright, Cypress, or React Testing Library. Strong communication skills and ability to lead More ❯

highest priority is always ensuring that customer queries are answered correctly. The successful applicant will be responsible for helping us to maintain the highest standards of quality through rigorous testing and automation strategies. This role will be based remotely in Great Britain Candidate Profile Minimum 4 years of experience in QA automation or software development with a focus on … database query engines is a plus Passion for quality and an understanding of the latest test automation technologies and frameworks Position Expectations Design, develop, and maintain automated tests and testing frameworks for the MongoDB query engine Collaborate closely with development teams to understand new features and functionalities, ensuring testability and automating tests to cover both happy-path and edge … the database query system. Work with developers to ensure issues are resolved Enhance and extend the automation framework to improve test coverage, execution time, and tooling for diagnostics and performance testing Review and approve testing plans drawn up in the design phase of Query team projects. At the end of the project, certify that it has met More ❯

in a senior or lead engineering role. Familiarity with PHP, cloud platforms (AWS/GCP/Azure), Docker/Kubernetes is a bonus. A strong focus on clean code, performance, testing, CI/CD, and agile principles. High level of autonomy and accountability – able to manage your own work and lead by example. What’s on offer: A More ❯

backend systems like AD, Exchange, HR systems, Linux. Development of user journeys, workflows, forms, and IDM components. Working knowledge of application servers (WebLogic, WebSphere), Java/J2EE, XML, and performance testing. GCP experience is mandatory, including GKE, Cloud Functions, GCS, Pub/Sub, Dataflow, and Terraform. Understanding of authentication protocols, OAuth, MTLS, and certificates. Qualifications: 10-12 years of More ❯

Performance Test Manager You'll take a hands-on role in building and leading our Performance Testing capabilities. From designing environments and test strategies to mentoring teams and shaping long-term vision, your work will have a lasting impact on how we deliver high-quality, scalable software solutions. Key Responsibilities Lead the design and implementation of enterprise … wide performance testing strategies. Architect and maintain realistic, scalable test environments. Collaborate with Engineering, QA, and DevOps to define and execute test plans. Analyze results and provide actionable insights to stakeholders. Drive adoption of tools and practices to continuously evolve our testing function. Identify and mitigate risks in system architecture and application performance. Model production traffic and … SLAs to ensure future readiness. Develop custom tools to simulate load and monitor performance. Advocate for a shift-left testing mindset across development teams. What You'll Bring 10+ years in performance testing enterprise applications. 8+ years in quality engineering leadership. 4+ years in a people management role. Hands-on experience with tools like JMeter, BlazeMeter, K6 More ❯