1 to 25 of 33 Permanent Load Testing Jobs in London

functional requirements. Analyse application performance and identify bottlenecks, capacity issues, and areas for optimisation. Develop automated performance test scripts and frameworks. Execute load, stress, endurance, and scalability testing activities. Produce detailed performance test reports and provide recommendations for improvement. Support defect investigation and resolution activities alongside development teams. … test planning, estimation, and assurance activities throughout the delivery lifecycle. Work within Agile delivery teams, participating in ceremonies and continuous improvement initiatives. Ensure testing activities align with HMRC quality standards, security requirements, and programme objectives. Mandatory Skills & Experience Performance Testing Strong experience in Performance Testing within enterprise ...

functional). The ideal candidate brings a test engineering mindset, promotes shift-left practices, drives automation adoption (including Playwright), and enhances quality through continuous testing and robust test governance. Key Responsibilities Define and own the end-to-end test strategy for Duck Creek or Guidewire upgrade programmes, aligned with … release plans, and business objectives. Lead test planning, estimation, and scheduling across distributed teams and workstreams to ensure timely delivery. Implement a risk-based testing approach; maintain a dynamic test risk register and ensure timely mitigation. Design and implement the automation strategy across UI and API layers, including frameworks ...

understand what enhancements are being made to the system as well as working with the developers to understand their implementation of the requirements. Testing and quality is a team effort, but the QA should focus on keeping these standards high in the team.QA Engineer will be part … development team working through new projects and maintenance tasks. They will have a specific focus on performance and load testing, being able to offer advice, strategy and direction to the test team on these issues. They will be hands on with these tasks and also overseeing this type ...

Reliability & Observability Implement tracing, structured logging, metrics, dashboards, and alerting. Optimize services for latency, concurrency, throughput, and cost efficiency. Ensure system reliability through automated testing, load testing, error budgets, and resiliency strategies. Partner with SRE to define SLIs/SLOs and improve platform‐wide reliability. Cross‐Functional ...

limited) As a QA Engineer you will be expected to work at one of our clients and perform high quality functional and non-functional testing on complex systems. You must be familiar with Agile practices and tools and able to work in fast paced CI/CD environment. … provide accurate updates on the progress and outcomes of testing. Responsibilities Perform functional and non-functional (performance, accessibility, security, operational/user acceptance) testing, working within an Agile team. Develop and maintain test automation solutions and scripts, promoting best practices within the development team Develop and maintain performance/ ...

site and across all digital marketing channels. Our tools span AI-powered search, personalized recommendations, smart merchandising, optimized product data syndication, A/B Testing and marketplace/social commerce performance. We help brands grow with sharper visibility, higher conversion, and less friction. Backed by PSG Equity and supported … comfortable investigating issues beyond the UI, including APIs, logs, databases, pipelines, and production telemetry. Automation-minded, with a strong desire to eliminate repetitive manual testing through better tooling and workflows. Curious and proactive, with the ability to determine what needs testing and why rather than relying solely ...

develop their global payments platform. Java Developers Must Have: Strong technical skills in Java, web and relational database technologies In-depth experience with unit testing, integration testing, and load testing Full lifecycle development experience with applications deployed on Linux Spring, Spring MVC, REST web services ...

Experience: 10years****Location: London****Work mode: FTC-Hybrid-3days onsite****Job Description:**Responsible for the implementation, execution, and ongoing support of automated and manual testing, including preparation of test plans and testing of software and completion of testing according to PRS for Music’s testing guidelinesResponsible … coding principles. · Hands on experience with Salesforce, especially regarding data validation across integration environments. · Experience of API automation with RestSharp. · Strong knowledge of automation testing frameworks, specifically recent versions of Selenium Webdriver and Specflow. · Familiarity with Continuous Integration and Continuous Delivery (CI/CD) tools such as Team City ...

Experience Experienced SDET (circa 5+ years) with a strong automation background. Proficiency in Python or Java/TypeScript for test automation. Experience with API testing tools such as PyTest, Requests, RestAssured, or Robot Framework. Familiarity with UI automation using Selenium/WebDriver or equivalent. Exposure to consumer‐driven contract … testing (Pact or similar). Working knowledge of CI/CD pipelines, Git, and containerised environments (Docker). Understanding of test design, debugging, and failure analysis. Some exposure to cloud platforms (AWS, Azure, or GCP). Desirable Experience Experience testing AI services, LLMs, or Agentic AI workflows. Hands ...

Software Development Engineer in Test (SDET), QA Automation Engineer or similar role. Strong hands-on experience developing automated tests using Python 3.13+ . Experience testing containerised applications using Docker . Experience building and maintaining automated test frameworks such as PyTest, Playwright, Selenium or Robot Framework . Experience testing APIs, user interfaces, integration points and microservices. Experience integrating automated testing into GitLab CI/CD , Jenkins or similar CI/CD platforms. Experience working alongside security teams to automate security testing within delivery pipelines. Familiarity with Git and requirements/test management tools such as Jira ...

trusted provider of digital commerce systems for leading retailers. Position Summary OneView is looking for a Senior QA Engineer to design and automate the testing for our platform features. Reporting to the Head of Quality Engineering, you will work inside a deliveryteam, shaping quality from the moment a story … default here. You will build and maintain automated coverage at API and interface level within our existing frameworks, and reach for manual testing where it genuinelyearns its place rather than out of habit. When a test fails you are expected to work out why:whether the product broke ...

implementation and procurement strategies, consistent with business needs. You ensure alignment to relevant technical strategies, policies, standards, and practices Strong understanding of quality assurance, testing quadrants and the testing pyramid, and how to apply them Ability to lead senior engineers and technical customers to a desired outcome, without … security, serverless, Kubernetes etc) and automation Experience with implementation of Observability and Reliability using market technologies (e.g.: New Relic) Good experience with Performance Engineering (load testing, derivations, tuning, core web vitals, page speed etc.) Expertise in reliability testing Able to influence people at senior levels and from ...

global technology consultancy. You'll join a talented engineering team, working across modern technology platforms while embracing AI enabled engineering to improve productivity, accelerate testing and enhance software quality. What you'll do: Design and build scalable test automation frameworksDevelop UI and API automation using Selenium, Cypress, Playwright … similarIntegrate automated testing into CI/CD pipelinesCreate test strategies, plans and automated scripts covering functional, integration and regression testingWork closely with engineers to embed a quality-first approachUse AI and automation tools to improve test coverage and deliveryLocation/WFH:There's a hybrid work from home policy ...

methodologies, shift-left practices, and the full software development lifecycle (TDD, BDD, Scrum, Kanban). Proficient in Java, with a focus on automated testing, root cause analysis, and debugging. Comfortable implementing tests across the full test stack: unit, component, integration, system, and E2E. Experience in uncovering complex edge cases … knowledge of application profiling to identify performance and memory bottlenecks. Familiar with defining quality metrics, telemetry, and reporting dashboards. Hands-on exposure to chaos testing to validate system fault tolerance and reliability. Experienced in integrating test runs and static code analysis tools into CI/CD pipelines. Working knowledge ...

interact with clients, demonstrating credibility in technology and overall deliveryProven capability in shaping the end-to-end software delivery lifecycle, driving improvements across development, testing, deployment, and operational phases. Ability to implement infrastructure-as-code, CI/CD, and efficient release management strategies. Enhance system performance using load testing, caching, and optimizing database queries and application logic for better scalability and response times. Expertise in modern engineering standards such as TDD, contract testing, and secure coding, as well as architectural patterns like event-driven architecture and platform migration. You thrive in problem-solving and analytical ...

exposure to building highly scalable systems." " Experience with platform modernization and cloud migration projects" " Expertise in Agile development methodologies like TDD, BDD, Performance/Load testing etc." " DevOps experience - CI/CD, Test Automation, Containerization - tools and processes" " Should be conversant with emerging technologies - chatbots, voice/conversational ...

work. What we are looking for: Required skills and experience: Minimum of 5 years of experience developing enterprise-grade software with understanding of testing and quality assurance processes. Minimum of 5 years of demonstrated experience in current programming language and tools based on position requirements (Kotlin, Spring Boot … . Preferred skills and experience: General experience with performance and load testing applications Hands-on experience with AI-driven coding assistants like GitHub Copilot, Cursor, and others to enhance development productivity. Experience building enterprise-level software. Comfortable working in an agile team and adapting as priorities shift during ...

exposure to building highly scalable systems. Experience with platform modernization and cloud migration projects Expertise in Agile development methodologies like TDD, BDD, Performance/Load testing etc. DevOps experience – CI/CD, Test Automation, Containerization – tools and processesShould be conversant with emerging technologies - chatbots, voice/conversational interfaces ...

isolation, auth, data protection and auditability, because our clients' data is about as sensitive as it gets. You know how the system behaves under load and at month-end when everyone runs reports at once, you set the SLOs, and you make sure we can see whether … decide what goes where, and push hard for the simplest solution the existing architecture can carry. You set the coding standards, API design, testing, quality gates, and security and dependency hygiene. That now covers how we work with coding agents: the rules they follow, the skills and MCP integrations ...

responsive user interfaces utilizing Angular for complex SPAs, or HTMX and Alpine.js for modern, high-performance reactive workflows.Develop and maintain comprehensive end-to-end testing suites using PyTest and Playwright to ensure cross-browser reliability. Implement and execute load testing strategies using Locust.io to validate system scalability.Optimize ...

members; help elevate issues appropriately and develop their investigative and prototyping skills. Establish and maintain RAD engineering standards: Champion best practices for MVP development, testing, deployment automation, and documentation; ensure RAD-produced code meets security and reliability standards despite the emphasis on speed. Apply deep technical analysis: Use computer … environments, isolating issues, and creating frameworks that help others validate fixes and prevent regressions. Strong understanding of modern development best practices: Continuous integration, automated testing, code review discipline, and version control workflows. Kanban and CI/CD: Comfortable with Kanban workflow, continuous integration, Jira, and rapid iteration cycles. ...

members; help escalate issues appropriately and develop their investigative and prototyping skills. Establish and maintain RAD engineering standards: Champion best practices for MVP development, testing, deployment automation, and documentation; ensure RAD-produced code meets security and reliability standards despite the emphasis on speed. Apply deep technical analysis: Use computer … environments, isolating issues, and creating frameworks that help others validate fixes and prevent regressions. Strong understanding of modern development best practices: Continuous integration, automated testing, code review discipline, and version control workflows. Kanban and CI/CD: Comfortable with Kanban workflow, continuous integration, Jira, and rapid iteration cycles. ...

with clients, demonstrating credibility in technology and overall delivery Proven capability in shaping the end‐to‐end software delivery lifecycle, driving improvements across development, testing, deployment, and operational phases. Ability to implement infrastructure‐as‐code, CI/CD, and efficient release management strategies. Enhance system performance using load testing, caching, and optimizing database queries and application logic for better scalability and response times. Expertise in modern engineering standards such as TDD, contract testing, and secure coding, as well as architectural patterns like event‐driven architecture and platform migration. You thrive in problem‐solving and analytical ...

call readiness, incident response, and production debugging. Security-first backend engineering experience, including authn/authz patterns and audit/event design. Strong testing discipline (unit/integration/contract testing) and ability to build reliable systems under real-world constraints. Clear communication and cross-team collaboration skills … management, and environment provisioning patterns. Experience with distributed systems reliability patterns (idempotency, retries, transactional workflows, consistency trade-offs). Experience with performance engineering (profiling, load testing, latency budgets) and cost-aware backend optimization. Experience in defence tech/C2/C4ISR/tactical systems, constrained deployments, or regulated ...

control. What you'll be doing from day one Owning our infrastructure as code in Terraform, plus alerting, observability (Prometheus, Grafana) and reliability, including load testing and disaster recovery exercises. Making CI/CD faster (GitHub Actions, ArgoCD) and taking obstacles out of engineers’ way, from build times ...