19 of 19 Performance Testing Jobs in Central London

and performance. Position Overview: As a Quality Assurance Engineer at AI71, your primary focus will be on ensuring the quality and reliability of our AI products, specifically through thorough testing of our APIs, UI, and driving the performance testing related activities. You will collaborate with product and engineering teams to develop and execute comprehensive test plans, automate … testing processes, and ensure our products deliver seamless user experiences and meet functional, cross-functional, and quality standards. Key Responsibilities: • Test Planning & Execution: Design and execute test plans for various product features, including APIs, UI, and where applicable data layer validations. Conduct functional, regression and performance testing to ensure that our AI-driven products perform according to … to improve efficiency and ensure comprehensive coverage across test cases. Use automation tools such as Selenium, JUnit, pytest, playwright or custom frameworks for API and UI testing. • API & UI Testing: Focus on validating APIs and UIs for performance, reliability, and correct functionality. Ensure that both the backend (APIs) and the user-facing interfaces meet the product's functional More ❯

cross-functional teams to define test strategies, create test plans, execute test cases, and identify and report software defects. The ideal candidate will have a strong understanding of software testing methodologies, excellent analytical skills, and a passion for delivering high-quality products. Tech Stack AWS Serverless Lambda with Node.js API Gateway (REST/JSON) DynamoDB S3 WAF Back-Office … strategies and plans. Develop, document, and maintain detailed test cases and test scripts based on project requirements and functional specifications. Execute manual and automated tests to verify software functionality, performance, usability, and security. Identify, document, and track software defects using a bug tracking system and work closely with the development team to ensure timely resolution. Participate in the review … of product requirements, design documents, and specifications to provide input on testability and quality aspects. Perform exploratory testing and provide feedback on user experience and potential usability issues. Conduct regression testing to ensure that software changes and updates do not introduce new defects. Collaborate with software developers to reproduce and debug reported issues and provide clear and concise More ❯

office 💰 Salary: £45,000 to £60,000 DOE 🗣 Language: Fluent Mandarin and English required What You’ll Do: Design, build, and maintain test automation frameworks Lead regression, integration, and performance testing Collaborate across DevOps, development, and product teams Integrate tests into CI/CD pipelines Improve testing processes, tools, and documentation Represent QA in stakeholder meetings and … You’ll Need: 2+ years’ experience in software QA, both manual and automated Strong skills in Selenium, Cypress, Playwright, or similar Scripting knowledge (Java, Python, or JavaScript) Familiarity with performance testing (e.g., JMeter, LoadRunner) CI/CD experience with Jenkins, GitLab CI, or Azure DevOps Solid understanding of databases (Oracle/MySQL) and Linux systems Strong communication and … stakeholder management skills Bonus Points For: Experience with security or performance testing Knowledge of BDD tools (e.g., Cucumber) Familiarity with cloud platforms and containerization (AWS, Docker, etc.) API testing experience (Postman, RestAssured) If you're ready to take your QA career to the next level in a tech-forward environment - we’d love to hear from you. More ❯

Software delivery, including CI/CD and relatedDevSecOpspractices, working withcloud-basedplatforms such as Azure or AWS(preferred) - Experience working on AI/Gen AIimplementations and underlyingarchitecture, and models - Application testing,automationand performance testing tools - Working knowledge of Agile Scrum Boston Consulting Group is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard More ❯

Job Summary: We are seeking a detail-oriented and analytical Database Tester to join our QA team. The ideal candidate will be responsible for validating data integrity, accuracy, and performance across various database systems. You will work closely with developers, business analysts, and other QA professionals to ensure high-quality data-driven applications. Key Responsibilities: Design, develop, and execute … test cases , and test scripts for database testing. Identify, document, and track data-related defects and inconsistencies. Collaborate with development teams to understand data models and business logic. Conduct performance testing on database queries and stored procedures. Automate database testing using tools like Selenium , Apache JMeter , or Python scripts. Ensure compliance with data privacy and security standards … . Familiarity with data warehousing concepts. Understanding of database design , normalization , and indexing . Experience with test management tools (e.g., JIRA, TestRail). Knowledge of automation frameworks for database testing is a plus. Good analytical and problem-solving skills. More ❯

be the guardian of quality for the Ultralytics HUB platform and our suite of AI models. You will be responsible for ensuring our products meet the highest standards of performance, reliability, and user experience. Key responsibilities include: Designing, developing, and executing comprehensive test plans and test cases for our SaaS platform and machine learning models. Building and maintaining robust … scalable test automation frameworks using Python and PyTest . Performing end-to-end testing of the Ultralytics HUB, from front-end UI validation with Selenium to backend API testing of our FastAPI services. Validating data integrity and performance of our MongoDB databases. Integrating automated tests into our CI/CD pipelines using GitHub Actions to ensure continuous … quality. Conducting performance testing and load testing to identify bottlenecks and ensure scalability in our GCP environment. Performing manual testing for new features and complex user scenarios that are not easily automated. Collaborating closely with developers and ML engineers to identify, document, and resolve defects using bug tracking systems. Testing models across different deployment formats More ❯

SDET to join their team. 🔧 Key Responsibilities: Lead and manage a small team of SDETs, including recruitment and onboarding Mentor junior and senior SDETs to grow their technical and testing capabilities Drive test automation strategies and team planning for complex software systems Collaborate cross-functionally to document and maintain scalable automation frameworks Advocate Agile best practices throughout the development … lifecycle Provide training sessions on automation tools, frameworks, and testing methodologies 💻 Technical Requirements: Strong coding skills in Java Hands-on experience with: Selenium WebDriver for UI automation JMeter for performance testing RESTful APIs testing Agile/Scrum methodologies ✅ What You Bring: Proven experience leading/managing small technical teams Strong background in automation testing and More ❯

CRM Sales, Service processes, CPQ, FSL, Document Generation (Conga/Nintex), and Community Cloud implementations. Apply Salesforce architectural best practices, security models, and design standards. Design and develop high-performance, scalable solutions using APEX, SOQL, SOSL, Lightning Components, and Visualforce. Work on integrations with other enterprise systems including ERP (12.2.6), Fusion, SAP, banks, and payment gateways via MuleSoft. Implement … DevOps and CI/CD best practices using Azure, Copado, OwnBackup. Participate in regression, performance testing, and debugging to ensure production stability. Provide end-user support, training, and troubleshooting for Salesforce applications. Collaborate in an Agile development environment, managing multiple tasks with aggressive timelines. Requirements: Bachelor's Degree in IT, Computer Science, Engineering, or a related field. Salesforce More ❯

and Documentation Develop and configure ServiceNow applications, including Custom Apps, Modules, UI Policies, Business Rules, and Client Scripts. Implement and maintain Workflows, Flow Designer flows, and Integration Hub spokes. Performance Optimization Conduct profiling and debugging of scripts, workflows, and queries to identify performance bottlenecks. Optimize GlideRecord usage, ACL performance, indexing, and background jobs. Technical Debt & Code Quality … Scrum methodologies and participation in ceremonies. Collaborate closely with BAs, Product Owners, and Developers to ensure business alignment. Lead and support feature demos, ensuring environments are technically ready and performance tested. Testing & Validation Conduct unit testing, regression testing, and support performance testing. Log and resolve bugs or inconsistencies raised during internal QA or performance … like Instance Scan, Script Tracer, Debug Logs to troubleshoot issues. Desirables: Experience with CI/CD pipelines for ServiceNow. Hands-on with ATF (Automated Test Framework) for regression and performance validation. Experience handling demo or UAT environments , including data masking or synthetic data creation. Ability to present technical concepts to non-technical stakeholders clearly and confidently Please reach out More ❯

likely to be once per week on average. 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. … of projects you work on will vary according to current demand and your professional development path. Typical projects include: Looking for ways to reduce client money spent on IT performance Cost Ops and Fin Ops Automating through use of DevOps capability Conducting systems risk management assessments Performance audits Designing performance test plans to address performance risk More ❯

Performance Tester Summary Location: Reading (UK) Candidates must be open to frequent visits to client site in Reading, UK Day Rate: Negotiable (IR35 Determination TBC) Duration: 6 Months Availability: ASAP About the Client My client is the air transport 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 • Run performance testing pipelines using Azure DevOps or 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 ❯

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 ❯

Senior Commissioning Engineer – UAE Are you a hands-on professional with a passion for precision and performance? Join us in delivering high-quality MEP systems for landmark projects in the UAE. This role is based on-site in the UAE and will require relocation. ALEC will be holding interviews in the UK week commencing 30th June. Who We Are … ALEC Data Centre Solutions delivers the infrastructure behind the digital world. We construct and upgrade mission-critical environments for top-tier clients - always prioritising performance, speed, and precision. Why Join Us? With ALEC Data Centre Solutions, you’ll help power the future of digital infrastructure. ALEC Data Centre Solutions combines speed, security, and scalability with technical precision - and you … Your Role As a Senior Commissioning Engineer, you will: Prepare commissioning strategies, plans, and test scripts aligned with project specifications and codes. Conduct inspections, pre-functional checks, and functional performance tests for mechanical, electrical, BMS, and specialist systems. Troubleshoot and resolve technical issues in collaboration with design and OEM teams. Coordinate equipment delivery, installation, and start-up to meet More ❯

Immediate Duration: Until end of August 2025 (with strong extension likelihood) Key Responsibilities: Develop and configure ServiceNow apps, modules, and integrations (REST, SOAP, MID, Kafka). Optimise code for performance and maintainability. Support Flow Designer, Integration Hub, and demo/UAT readiness. Participate in Agile ceremonies and feature releases. Conduct unit, regression, and performance testing. Desirable: Experience with … CI/CD pipelines, ATF, and performance monitoring tools. Ability to present technical concepts to stakeholders. For more information or to apply, please contact Harry Barron-Reid at harry@paritasrecruitment.com or text via WhatsApp on +44 More ❯

Immediate Duration: Until end of August 2025 (with strong extension likelihood) Key Responsibilities: Develop and configure ServiceNow apps, modules, and integrations (REST, SOAP, MID, Kafka). Optimise code for performance and maintainability. Support Flow Designer, Integration Hub, and demo/UAT readiness. Participate in Agile ceremonies and feature releases. Conduct unit, regression, and performance testing. Experience with CI …/CD pipelines, ATF, and performance monitoring tools. Ability to present technical concepts to stakeholders. For more information or to apply, please contact Harry Barron-Reid at [emailprotected] or text via WhatsApp on +44 7702 946 250 #J-18808-Ljbffr More ❯

lead the delivery of BMS projects from initial design and presales support to implementation, commissioning, and ongoing support. This senior-level role carries full responsibility for technical quality, financial performance, project governance, and stakeholder management. Coordinating internal teams and external partners and ensuring all works are completed safely, on time, on budget, to the highest technical standards are something … and comprehensive bills of materials and all other project governance and technical oversight, ensuring adherence to technical standards, commissioning processes, and project milestones. Implementation of commissioning plans and BMS performance testing, including Factory Acceptance Testing (FAT), room readiness, and acceptance criteria. You will be the escalation point for technical queries and operational issues. Respond to technical queries More ❯

The Person Background in software or mathematics and a interest in AI/LLM Willingness to be trained by industry experts Based in London Reference: BBBH20125 Keywords: IT, Software Testing, Hybrid, Audit, Data, Ai, LLM, London, Essex, Crawley, Performance Testing If you're interested in this role, click 'apply now' to forward an up-to-date copy More ❯

provide services to over 160 operators globally, with plans in 2025 to expand across new innovative products and markets. They are seeking exceptional candidates who are passionate about high performance software development. This is an exciting period of growth for the business, providing a unique opportunity for candidates to work directly with the founders and a small technically focussed … team to build knowledge and skills in multiple areas. Responsibilities Turning mathematical models into high performance software Monitoring performance through our external metrics and local performance testing Researching and communicating new ideas to other developers and quants. Modify existing models to meet new customer requirements such as new market types or performance requirements Essential skills … subject. Proficient in a low level programming language such as C, C++ or Rust programming language. Strong mathematical background Comfortable working in a Linux environment. Desirable Skills History of performance testing and benchmarking using tools such as perf and valgrind Comfortable exploring compiler assembly output Knowledge of statistical modelling and probability theory Interested in sports Familiarity with sport More ❯