26 to 50 of 93 Performance Testing Jobs in London

Automation Tester

Location
Greater London, England, United Kingdom
automation expertise to help us deliver reliable, high-quality services for our customers and colleagues. You'll lead the development of automation frameworks and testing approaches, balancing hands-on technical delivery with technical leadership. Working across multiple applications and teams, you'll drive automation maturity, promote innovation, and help … automation strategy, frameworks and engineering practices to improve the quality, reliability and efficiency of application delivery.Designing, building and enhancing scalable automation solutions, embedding automated testing across the development lifecycle and CI/CD pipelines.Driving continuous improvement by increasing automation coverage, championing AI-enabled testing capabilities, and promoting best ...

Sr Backend Engineer

Location
City Of London, England, United Kingdom
Build and support cloud-native applications in multi-cloud environments Develop robust RESTful APIs and implement asynchronous processing solutions Ensure operational excellence through comprehensive testing strategies (unit, component, integration, end-to-end, and performance testing) and production support Participate in incident management and system reliability initiatives Collaborate … experience developing RESTful APIs, messaging frameworks, and asynchronous processing Strong production support experience, including incident management and CI/CD pipelines/automation Comprehensive testing capability across unit, component, integration, end-to-end, and performance testing Desirable Requirements: Proficiency in Kotlin in addition to Java Experience ...

Performance Engineering Lead - Scale & Production Readiness

Location
Greater London, England, United Kingdom
Scrumconnect Consulting in London, United Kingdom, is seeking a Lead Performance Test Engineer to own end-to-end performance testing and assurance across complex digital services. The role acts as the performance authority, defining strategy, leading delivery, and providing formal recommendations on production readiness. You will … lead performance testing for large-scale systems, drive CI/CD integration, and mentor teams, with emphasis on governance, observability, and risk management in #J-18808-Ljbffr ...

Senior Software Test Engineer (SDET) – London – Permanent

Location
Greater London, England, United Kingdom
Engineer (SDET) to join a growing technology team developing modern software products. This is an engineering-led role focused on building and maintaining automated testing solutions rather than traditional manual QA. You’ll work closely with developers, product teams and DevOps engineers to improve software quality, automation coverage … delivery confidence. Senior Software Test Engineer Responsibilities Include: Designing and developing automated test frameworks using Playwright and TypeScript Automating UI, API and integration testing Integrating testing into CI/CD pipelines Supporting quality across cloud-native and microservices-based applications Collaborating with developers to embed quality throughout ...

Senior Automation Tester

Location
Greater London, England, United Kingdom
Automation TesterLocation: London, UKJob type: Contract- Hybrid 2 days onsiteDay Rate - 250 GBP/Day**Key Skills :**Java Selenium/playwright, Rest Assured, API Testing) , CICD Pipeline ( Gitlab, Jenkins), SQL, Leadership Skills### ### OverviewWe are seeking an experienced professional to join our team in a pivotal role focused … automation testing. The ideal candidate will have a strong background in software testing with an emphasis on automation, ensuring the delivery of high-quality software solutions.### Key Responsibilities* Design and implement automated test scripts to ensure efficient and thorough testing of applications.* Collaborate with cross-functional teams ...

Environments Manager

Location
City Of London, England, United Kingdom
production environments across the software delivery lifecycle. This role ensures that environments are stable, scalable, secure, and fit for purpose, enabling seamless development, testing, and deployment activities. Responsibilities Own and manage the lifecycle of environments (Dev, QA, UAT, Staging, Production). Collaborate with Cloud Engineering and DevOps teams … provision and maintain infrastructure across hybrid or multi-cloud platforms. Oversee environment configuration, visioning, and access control. Coordinate environment readiness for performance testing, release cycles, and quality assurance. Implement monitoring and alerting strategies to ensure environment health and performance. Drive automation of environment provisioning and tear downusing Infrastructure ...

Endpoint Engineer

Location
Greater London, England, United Kingdom
Dell Command Update automations — to improve device stability and end‐user experience. Troubleshoot and remediate audio, video, and conferencing reliability issues. Perform hardware and performance testing/benchmarking to support fleet standardization decisions. Autopilot & Provisioning Modernization Modernize Windows Autopilot and provisioning workflows to reduce legacy dependencies and improve … Profiles Device Filters, Dynamic Groups, and scalable targeting strategies Endpoint Analytics and digital experience monitoring (DEX) Hardware Validation And Lifecycle Management, Including Hardware and performance testing/benchmarking to support fleet standardization decisions Firmware and BIOS update management and deployment (e.g., HP, Dell) Wi‐Fi driver troubleshooting ...

Endpoint Engineer

Hiring Organisation
Fitch Group
Location
Greater London, United Kingdom
Employment Type
Full Time
Dell Command Update automations — to improve device stability and end-user experience. Troubleshoot and remediate audio, video, and conferencing reliability issues. Perform hardware and performance testing/benchmarking to support fleet standardization decisions. Autopilot & Provisioning Modernization Modernize Windows Autopilot and provisioning workflows to reduce legacy dependencies and improve … Profiles Device Filters, Dynamic Groups, and scalable targeting strategies Endpoint Analytics and digital experience monitoring (DEX) Hardware validation and lifecycle management, including: Hardware and performance testing/benchmarking to support fleet standardization decisions Firmware and BIOS update management and deployment (e.g., HP, Dell) Wi-Fi driver troubleshooting ...

Test Strategy Manager- OUTSIDE IR35

Location
Greater London, England, United Kingdom
expected to continue through multiple delivery phases before go-live and operational handover in 2028. Key Responsibilities Define, challenge and enhance the overall programme testing strategy. Establish a robust testing framework for a large-scale mainframe modernisation environment. Lead testing governance across complex streams involving rewritten code … converted applications and evolving business requirements. Work closely with programme leadership, engineering teams, operations and delivery partners to drive testing quality and risk mitigation. Identify gaps, dependencies and testing challenges across the transformation lifecycle. Provide expert guidance on test planning, execution, automation and quality assurance best practices. Ensure ...

Technical Quality Assurance Engineer

Location
Greater London, England, United Kingdom
quality assurance across complex, high-assurance client and internal project systems. The role supports delivery teams through exploratory, functional, API, integration and system-level testing, using technical investigation, data validation and appropriate automation to identify risk and provide confidence throughout the delivery lifecycle. What … help shape the future, where your voice is important, and where you can be innovative and creative. Your role You will apply strong testing fundamentals and technical curiosity to understand how systems work, identify where quality risks exist and determine the most appropriate testing and assurance techniques. ...

Test Engineer - Cloud & Data Platform (Lakehouse)

Location
Greater London, England, United Kingdom
2026Apply NowJob Title: Test Engineer - Cloud & Data Platform (Lakehouse) Working : Hybrid (2 days from office) Office Location: UK (London)Core Technical Skills Terraform (IaC testing, unit tests, state management) | Advanced | GitLab CI/CD (pipeline testing, matrix jobs, artefacts) | Advanced | AWS data services (S3, IAM, Glue, Lake Formation … Checkov, tfsec) | Intermediate | Data platforms (Snowflake, Databricks, DBT, Apache Iceberg) | Intermediate | Python (test automation, pipeline utilities) | Intermediate | SRE practices (SLIs/SLOs, chaos engineering, performance testing) | Intermediate | Compliance testing (encryption, tagging, data residency) | Intermediate |Required Experience 3–5+ years\*\* in software testing, QA engineering, or platform ...

Microsoft Power Platform Senior Developer

Location
City Of London, England, United Kingdom
Builder, Copilot Studio, and Microsoft Copilot integrations Team Leadership & Mentoring Line manage 2–5 junior and mid‐level Power Platform developers, including objective setting, performance reviews, and career development conversations Provide day‐to‐day technical mentoring and guidance to developers, acting as the first point of escalation for technical … steering groups and technical governance forums as the senior technical voice for Power Platform delivery Quality & Innovation Champion test‐driven development practices including unit testing, automated UI testing (Test Studio), and performance testing for Power Platform solutions Drive continuous improvement in delivery tooling, developer productivity ...

Microsoft Power Platform Senior Developer

Location
Greater London, England, United Kingdom
Builder, Copilot Studio, and Microsoft Copilot integrations Team Leadership & Mentoring Line manage 2–5 junior and mid-level Power Platform developers, including objective setting, performance reviews, and career development conversations Provide day-to-day technical mentoring and guidance to developers, acting as the first point of escalation for technical … steering groups and technical governance forums as the senior technical voice for Power Platform delivery Quality & Innovation Champion test-driven development practices including unit testing, automated UI testing (Test Studio), and performance testing for Power Platform solutions Drive continuous improvement in delivery tooling, developer productivity ...

AI QA Engineer – On-Device Testing

Location
Greater London, England, United Kingdom
Svitla Systems Inc. is looking for an AI QA Engineer – On-Device & Mobile Testing for a full-time position (40 hours per week) in London . Our client is an American mobile computing company. It's a central innovation team with engineers and researchers in London, Europe … London and requires visiting the office approximately three times per week. The AI QA Engineer is a critical role responsible for ensuring the performance, safety, and reliability of our cutting-edge AI/ML models. You will be at the forefront of our development lifecycle, designing and executing comprehensive ...

QE Governance Lead

Location
City Of London, England, United Kingdom
test effectiveness, automation coverage, release confidence, and production quality. Deliver quality reporting and insights to senior stakeholders, programme leadership teams, and governance forums. Govern testing practices across functional, integration, end-to-end, data, AI, and non-functional testing disciplines. Ensure consistent defect management, root cause analysis, quality controls … Machine Learning Solutions Intelligent Workflow and Decisioning Platforms Partner with Programme Leads, Product Managers, Architects, Delivery Managers, and Quality Leadership teams. Govern supplier quality performance, testing obligations, and delivery assurance activities. Drive consistent adoption of Quality Engineering standards, governance frameworks, and best practices across programmes. Drive quality maturity ...

Senior Software Developer in Test - Senior Consultant

Location
Greater London, England, United Kingdom
grow. As a Senior Software Developer in Test , you’ll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Lead and mentor small teams of automation testers, providing guidance and technical direction. Take ownership of QA strategies, influencing testing best practices. … environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similar Proven expertise in automation testing, with hands‐on experience using tools like Playwright, Selenium, Cypress, or RestAssured Strong knowledge of integration testing and automation frameworks Experience leading small ...

Software Developer in Test - C3

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
innovate and grow. As a Software Developer in Test , youll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Input in QA strategies, influencing testing best practices. Play a client-facing role, ensuring our solutions align with their business needs. What … Experience in Agile environments (e.g., SCRUM, Kanban) A technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar Expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Knowledge of integration testing and automation frameworks Hands-on experience with ...

Staff Controls Software Engineer

Location
Greater London, England, United Kingdom
reliably in real-time environments. What You’ll Do Design and maintain modular, real-time control architectures supporting locomotion, manipulation, and teleoperation. Implement high-performance control loops and middleware interfaces for deterministic, safe operation. Industrialize algorithms, ensuring production readiness, maintainability, and performance. Establish clear software boundaries and interfaces between … control, and hardware layers. Translate research prototypes into scalable, maintainable, and testable control software. Apply modern software development practices (CI/CD, code reviews, testing frameworks, documentation). Define reliability, latency, and safety metrics and enforce them throughout the control stack. Lead the integration of real-time control software ...

Software Developer in Test

Location
Greater London, England, United Kingdom
grow. As a Software Developer in Test, you’ll: Work with our clients to design, build, and implement cutting‐edge automation frameworks and testing solutions Input in QA strategies, influencing testing best practices Play a client-facing role, ensuring our solutions align with their business needs We know … still love to hear from you! Excellent communication and stakeholder management skills Experience in Agile environments (e.g., SCRUM, Kanban) Expertise in automation testing, with hands‐on experience using tools like Playwright, Selenium, Cypress, or RestAssured Hands‐on experience with CI/CD pipelines and tools (e.g., Jenkins, CircleCI, GitLab ...

Lead, Software & Platform Engineering

Location
Greater London, England, United Kingdom
Lead the design, development, and deployment of AI-enhanced software solutions and oversee the integration of AI capabilities into products and workflows. Prototyping and testing: Develop and implement testing procedures, create product prototypes, and conduct performance testing to ensure requirements are met. Problem-solving: Lead ...

Quality Assurance Engineer

Location
Greater London, England, United Kingdom
London, United Kingdom Focusing on testing the video playback experience across a wide array of devices like Smart TVs, game consoles, and set-top boxes. This role involves automating testing processes, improving deployment pipelines, and driving quality assurance in collaboration with global teams. Key Responsibilities: Drive automation … testing and improve automation pipelines for Video playback across various devices, including Smart TVs, Set-top boxes, and game consoles. Collaborate with teams to automate test cases for video technology features such as Ultra HD, Dolby Atmos, and low-latency live streaming. Contribute to performance testing, ensuring ...

Engineering Tech Lead - Platform Capability

Location
Greater London, England, United Kingdom
authentication, SSO, roles and permissions, built on Keycloak Tenant isolation and multi-tenant data architecture Platform services and integrations that other squads depend on Performance, scalability, resilience, security and observability across the platform You’ll work mainly in Node.js and TypeScript on AWS, with PostgreSQL behind … close to the code Treat non-functional requirements as part of the design from the start, not something to deal with before go-live: performance budgets, availability, security, auditability, operability and cost Design and build back-end services and APIs that are scalable, maintainable and secure in a multi ...

Performance Test Engineer

Hiring Organisation
MThree
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 61,000 Annual
Performance Test Engineer Permanent Hybrid Performance Testing Scripting skills London or Leeds Hybrid working model 50% onsite required Currently SC cleared or SC eligible At Peregrine, we're always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast ...

Wireless System Engineer – Algorithm Design

Location
Greater London, England, United Kingdom
algorithms, link-level simulation and theoretical analysis, and Research and development on wireless standard technologies. Participate in 5G end-to-end system integration, interoperability testing, verifications, performance testing and tuning on 5G/6G base stations and user terminals, network deployment and field trials. Requirements Ph.D. … scripting skills in MATLAB, Python, C/C++ is preferred. Proven track record with innovative problem solving and hands-on experience in design, development, testing, and standardization will be an advantage. Fluent communication for effective collaboration. A team player with good analytical and communication skills. Why Join Us Play ...

Pega Lead Developer - CLM/KYC

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day Inside IR35 via Umbrella
refine user stories. System Configuration: Configure business rules, harnesses, portals, Service Level Agreements (SLAs), and agent configurations in accordance with best practices. Quality & Testing: Execute performance testing, ensure solution scalability, create and execute test cases, and participate in design reviews to continuously enhance quality. Troubleshooting & Maintenance: Diagnose … resolve code defects, application issues, and performance bottlenecks in a timely manner. Governance & Mentorship: Uphold architectural and security guidelines, author technical documentation, and guide junior developers while sharing domain knowledge. Delivery: Work autonomously with minimal guidance to meet project targets and deliver assigned deliverables on schedule. Randstad Technologies ...