21 of 21 Performance Testing Jobs in London

Performance Test Engineering Consultant Join Ten10s Expert Consultancy Team Location: Hybrid (London office + client site travel as required) Employment Type: Fixed Term Contract Start Date: February 2026 The Opportunity Are you an experienced SDET with Performance Test experience looking to take the next step in your career within a dynamic and growing consultancy? At Ten10 , we are … looking for a talented SDETs with Performance Test Engineering experience to join our highly skilled consultancy team. This is an exciting opportunity to work on diverse and challenging client projects, ensuring the delivery of high-performing applications and systems. About Ten10 Ten10 is the UKs leading independent Quality Engineering & Software Testing consultancy. We work with a range of … Our consultants are at the heart of what we do, and we invest in their development to ensure they remain at the forefront of industry trends. Role Responsibilities Deliver performance testing solutions to a range of clients, ensuring systems are scalable, reliable, and performant. Design, implement, and execute performance test strategies , including load, stress, scalability, and endurance More ❯

challenges and mentoring others, this could be your perfect next step. Why Join Ten10? Were proud to be one of the UKs leading independent consultancies for Quality Engineering, Software Testing, RPA, and DevOps . Our mission is simple: help our clients achieve their goals by implementing innovative, high-quality engineering practices. Heres what makes us stand out: Challenging Projects … aspirations. Flexibility: Our hybrid working model gives you the balance you need. The Role As a Principal Technical Consultant , youll bring your extensive knowledge of software engineering, automation, and performance testing to create bespoke solutions for our clients. Youll also take a leadership role, guiding your team to success and leading by example. What Youll Be Doing Design … and Develop: Build and support automation or performance test frameworks using the most appropriate solutions. Whether open source or commercial, or a combination . Collaborate with Clients: Work closely with clients to understand their requirements and create tailored QA strategies. Provide Expert Insights: Conduct technical QA health checks to assess and improve client approaches to automation or performance More ❯

Data Test Automation Technical lead Location: London, UK 6 Months Contract or FTC 2 days onsite work per week • Overall Exp years, Relevant exp years. • Excellent experience in testing of data • Experience in creating data testing frameworks from scratch • Provide guidance to the team for testing of data demonstrating real experience in technology and processes • Technology experience … o JMeter – for API testing (Load and Performance testing experience not needed) o Groovy o Pyspark – Should be able to write scripts for data processing o Data Lakes o Kafka Streamsets o AWS cloud Requirements • Overall Exp years, Relevant exp years. • Excellent experience in testing of data • Experience in creating data testing frameworks from scratch … Provide guidance to the team for testing of data demonstrating real experience in technology and processes • Technology experience o JMeter – for API testing (Load and Performance testing experience not needed) o Groovy o Pyspark – Should be able to write scripts for data processing o Data Lakes o Kafka Streamsets o AWS cloud More ❯

pension, death in service benefit, private medical cover, reduced gym membership and free eye tests. Discretionary annual bonus schemes are offered to all staff based on individual and business performance and contribution to the business. There is also the opportunity to join the company Share Plan scheme. Cytec Solutions is a technology company, with a pedigree for developing, implementing … directly to the CPO. The Software Tester role, is a newly created position for the company and will offer the right candidate significant influence and autonomy to shape the testing approach to our business. We are looking for an experienced Software Tester who is excited to take full ownership of our testing practice. This role is ideal for … someone ready to step up beyond execution, eager to set the testing strategy, implement automation frameworks, and champion quality across our development lifecycle. Develop, maintain and execute test plans, test cases and regression suites for web and API based applications. Define and evolve the overall testing strategy across manual and automated workflows. Implement and manage a new automation More ❯

UI test automation expertise with Playwright in TypeScript Proven ability to build, maintain, and enhance automation frameworks Proficiency with Visual Studio and Azure DevOps pipelines Strong understanding of software testing principles, QA methodologies, and SDLC Capability to balance automation and manual testing approaches based on project requirements Experience managing multiple concurrent projects effectively Cross-browser testing of … web applications Version control using Git Excellent communication skills with the ability to articulate technical concepts clearly Highly Desirable: API testing and integration testing background SQL for database queries and data validation Knowledge of BDD tools such as Specflow or Cucumber Experience with test reporting and metrics Familiarity with load/performance testing Exposure to cloud … environments (Azure, AWS) Agile methodology experience (Scrum/Kanban) Understanding of various testing types across the testing pyramid Qualifications ISTQB Foundation in Software Testing (or equivalent certification) Relevant IT degree or equivalent practical experience Key Responsibilities you'll develop and maintain automation frameworks, integrate tests into CI/CD pipelines, design and execute manual test cases where More ❯

client delivers safe, efficient, and reliable navigation solutions for the commercial and defence maritime industry. They are seeking an enthusiastic and motivated Systems Test Engineer to support Commercial Platforms Testing within the New Malden office. This role focuses on Integration, Verification, and Validation activities for Radar and ECDIS product lines, particularly for a project developing Integrated Navigation System capabilities. … and troubleshoot lab equipment and setup issues. Collaborate with other engineering functions to resolve problems. Support identification, execution, and formal recording of Type Approval test activities. Assist with witness testing activities conducted by notified bodies and external test houses. Ensure all responsibilities comply with company standards of conduct and contractual processes. Carry out any other reasonable management requests. Ideal … procedures against internal and external requirements. Strong communicator, able to collaborate even when requirements are incomplete. Skilled in executing tests and problem-solving issues as they arise. Experienced in testing complex engineered systems comprising hardware and software. Hands-on tester comfortable setting up hardware and software test environments. Results-oriented, understanding delivery to schedule and budget. Demonstrates proactive initiative More ❯

client delivers safe, efficient, and reliable navigation solutions for the commercial and defence maritime industry. They are seeking an enthusiastic and motivated Systems Test Engineer to support Commercial Platforms Testing within the New Malden office. This role focuses on Integration, Verification, and Validation activities for Radar and ECDIS product lines, particularly for a project developing Integrated Navigation System capabilities. … and troubleshoot lab equipment and setup issues. Collaborate with other engineering functions to resolve problems. Support identification, execution, and formal recording of Type Approval test activities. Assist with witness testing activities conducted by notified bodies and external test houses. Ensure all responsibilities comply with company standards of conduct and contractual processes. Carry out any other reasonable management requests. Ideal … procedures against internal and external requirements. Strong communicator, able to collaborate even when requirements are incomplete. Skilled in executing tests and problem-solving issues as they arise. Experienced in testing complex engineered systems comprising hardware and software. Hands-on tester comfortable setting up hardware and software test environments. Results-oriented, understanding delivery to schedule and budget. Demonstrates proactive initiative More ❯

for a Lead Software Developer in Test (Lead SDET) to play a pivotal role in that transformation. If you're a seasoned technologist with a deep understanding of software testing and automationand the leadership skills to mentor teams and guide clients through complex challengesthis is your opportunity to lead from the front. ?? Important: All applicants must be eligible for … SC clearance. Why Ten10? Were one of the UKs leading independent consultancies in Quality Engineering, Software Testing, DevOps, and RPAtrusted by major clients across finance, government, and enterprise. What sets us apart is our people, our passion for innovation, and our drive to deliver meaningful results. Heres why youll love being part of our team: Strategic Impact: Youll shape … testing strategies and automation approaches across complex, high-profile client engagements. Career Progression: Grow your leadership skills with tailored development opportunities and support for certifications. Culture of Excellence: Work with talented peers who thrive on solving real-world problems with modern technologies. Work-Life Balance: Enjoy hybrid working and a flexible approach that supports your lifestyle. About the Role More ❯

Software Innovation London - 3 days a week in office | Initial 12m contract | Day rate inside IR35 Join a global technology leader at the forefront of software innovation, where quality, performance and reliability drive everything they do. This is an exciting opportunity for a QA Engineer with a passion for automation, testing excellence and continuous improvement to help shape … world-class digital products. You'll work closely with development and product teams to design and execute robust testing strategies, automate quality processes and ensure the smooth delivery of complex software systems to global customers. What You'll Be Doing: Championing a culture of quality, performance and teamwork across projects Collaborating with business analysts and developers to identify … and resolve potential issues early Designing detailed test plans, user scenarios and validation procedures Managing and configuring test environments and tools Executing manual and automated testing (JavaScript/TypeScript) Troubleshooting and validating new software releases, including end-user documentation Leading automation best practices and mentoring others on quality standards What You'll Bring: Experience in QA and software testing More ❯

Tester +Permanent opportunity +Hybrid working on site in London 2/3 days a week +£42,000 - £45,000 Skills: +Software 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 … 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" testing role. We need someone with strong technical grounding, curiosity, and the confidence to dive into environments beyond just the front end. Key Responsibilities Execute and maintain test plans for … backend services, and application layers. Validate deployments, configuration changes, and environment stability across cloud and on-prem environments (AWS, Azure, GCP, CI/CD). Perform integration, regression, and performance testing across multiple platforms. Collaborate with DevOps, Developers, and Product teams to identify and resolve issues early in the lifecycle. Contribute to continuous improvement of QA practices, tools More ❯

SDET 6 Month contract £425 - £475 per day Outside IR35 London/Hybrid - 2x days a week in London Design and develop automated testing frameworks and strategies with Selenium and Playwright using Javascript/Typescript. Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber Performance testing using JMeter Write clear and concise test cases and … scenarios using JSON data structures to validate application features. Conduct thorough testing of user interfaces, ensuring compliance with HTML and CSS standards. Collaborate with developers and product teams to define testing requirements and assist with continuous integration and delivery (CI/CD) practices. Utilise Fetch API to automate interactions with web services and validate data flows. Perform exploratory … testing and contribute to the overall improvement in quality assurance processes. Identify and document defects and work closely with engineering teams to drive resolution. Mentor junior team members and provide expertise in test automation best practices. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and More ❯

tolerant data pipelines that process millions of operations daily. Collaborate with front-end developers to integrate user-facing elements with server-side logic. Develop and maintain APIs, ensuring high performance and responsiveness. Contribute to database design and implementation (PostgreSQL). Improve the system's throughput and incorporate performance testing into our CI pipelines. Scale services horizontally. Contribute … make fault-tolerant applications. Experience with containerization technologies (Kubernetes, Docker). Strong familiarity with database systems, particularly PostgreSQL. Comfortable using AWS and cloud computing platforms. Solid understanding of the testing pyramid, specifically unit, integration, and E2E tests. Readiness and desire to participate in code reviews. Familiar with AI tools like Claude Code. What's on Offer? Work within a More ❯

Zscaler, Netskope, Prisma Access, Cloudflare One, etc. Translate security architecture principles (Zero Trust, SASE) into actionable user stories, epics, and sprint plans. Collaborate with engineering teams on PoC setup, performance testing, latency/PoP validation, and policy enforcement. Define and measure KPIs, SLAs, and success metrics (e.g., threat coverage, latency impact, policy adherence). Ensure integration of SSE More ❯

SIB score analysis, and return on Tangible Common Equity (TCE) attribution. You will be instrumental in developing cutting-edge tools and strategies to analyse and optimize key risk and performance metrics across developed and emerging markets (covering close to 80 countries), leveraging your expertise in mathematical optimization, advanced programming, and full-stack development. Team/Role Overview: As a … Quantitative Analyst within Markets Treasury & Financing, you will be at the heart of developing and implementing innovative solutions to support and enhance the business's performance and risk management. This role involves a deep dive into capital charges, balance sheet utilization, and liquidity management. You will work within a dynamic environment, collaborating closely with Fixed Income Market Traders, Sales … RWA), G-SIB score, and return on Tangible Common Equity (TCE) for the Fixed Income Finance business. Develop tools and strategies to analyse and optimize these critical risk and performance metrics. Apply mathematical optimization methodologies to strategize balance sheet utilization, enhance liquidity, and reduce capital charges. Build an auto-pricing platform in Java for government security Repurchase Agreement (Repo More ❯

using Control-M and improve margin run performance. Implement trade compression and portfolio margining solutions. Collaborate with cross-functional teams to refine business requirements and deliver scalable solutions. Conduct performance testing and capacity analysis. Participate in agile ceremonies and act as Scrum Lead when required. Required Skills & Experience: 5+ years of Murex development experience, ideally within FX or More ❯

dedicated UX/UI designer, engaging in rapid daily iteration to translate high-fidelity, interactive prototypes into pixel-perfect, production-ready code. ? Real-Time Data Streaming: Engineer the high-performance live transcript view, which displays the AI-screened conversation as the phone is ringing . This involves consuming real-time streaming text data from our backend AI orchestration layer … via WebSockets. ? Mastering Perceived Performance: Implement the critical mid-call intervention feature, allowing a user to seamlessly accept a call from the AI agent. You will become an expert in designing for our < 1000ms V2V (voice-to-voice) latency budget, ensuring the entire UX flow feels fast and responsive. ? API & Backend Integration: Partner with our backend (Application & AI Orchestration … models required to power the Welcome Manager's features, from live transcription to post-call entity-extracted summaries. ? MWC Demo Ownership: Be directly responsible for the polish, stability, and performance of the Welcome Manager application for its critical debut at MWC 2026. ? Cross-Functional Partnership: Collaborate closely with the other Senior Android Engineer (who owns the native CallScreeningService and More ❯

Engineer with strong expertise in designing and optimising large-scale data engineering solutions within the Databricks Data Intelligence Platform. This role is ideal for someone passionate about building high-performance data pipelines and ensuring robust data governance across modern cloud environments.Key Responsibilities Design, build, and maintain scalable data pipelines using Databricks Notebooks, Jobs, and Workflows for both batch and … streaming data. Optimise Spark and Delta Lake performance through efficient cluster configuration, adaptive query execution, and caching strategies. Conduct performance testing and cluster tuning to ensure cost-efficient, high-performing workloads. Implement data quality, lineage tracking, and access control policies aligned with Databricks Unity Catalogue and governance best practices. Develop PySpark applications for ETL, data transformation, and … such as Azure Data Lake Storage, Key Vault, and Azure Functions. What We're Looking For Proven experience with Databricks, PySpark, and Delta Lake. Strong understanding of workflow orchestration, performance optimisation, and data governance. Hands-on experience with Azure cloud services. Ability to work in a fast-paced environment and deliver high-quality solutions. SC Cleared candidates If you More ❯

Engineer with strong expertise in designing and optimising large-scale data engineering solutions within the Databricks Data Intelligence Platform. This role is ideal for someone passionate about building high-performance data pipelines and ensuring robust data governance across modern cloud environments. Key Responsibilities Design, build, and maintain scalable data pipelines using Databricks Notebooks, Jobs, and Workflows for both batch … and streaming data. Optimise Spark and Delta Lake performance through efficient cluster configuration, adaptive query execution, and caching strategies. Conduct performance testing and cluster tuning to ensure cost-efficient, high-performing workloads. Implement data quality, lineage tracking, and access control policies aligned with Databricks Unity Catalogue and governance best practices. Develop PySpark applications for ETL, data transformation … such as Azure Data Lake Storage, Key Vault, and Azure Functions. What We're Looking For Proven experience with Databricks, PySpark, and Delta Lake. Strong understanding of workflow orchestration, performance optimisation, and data governance. Hands-on experience with Azure cloud services. Ability to work in a fast-paced environment and deliver high-quality solutions. SC Cleared candidates If you More ❯

a Senior Systems Engineer to join the SMCS team, where you’ll play a key role in developing next-generation systems and ensuring they meet the highest standards of performance, reliability, and safety. What You’ll Do: As part of the Systems Team, you will: Maintain and manage the requirements database, linking contractual and acceptance details. Lead testing … functionality, ensuring alignment with specifications and quality standards. Support technical analyses, interface management, and reporting to drive system improvements. Contribute to a wide range of systems engineering activities including performance testing, human factors, safety, and information assurance. Mentor and technically lead other engineers, helping them grow and succeed in their roles. About You: To thrive in this role … based on business requirements. Exposure to regulatory and statutory requirements for software products. Hands-on experience across multiple systems engineering disciplines such as Requirements Analysis, System Design, Human Factors, Performance Analysis, System Acceptance Management, Safety, and Security. Ability to work effectively in a large, complex multi-project environment, delivering to tight deadlines under pressure. If you would like to More ❯

Systems Engineer – 12 Month Contract – New Malden – SC Cleared About Your Role: - Maintain the Requirements database with associated contractual and acceptance details. - Take a lead role in the testing and acceptance process for both hardware & software releases. - Lead activities to support the Systems team with: o Elaboration and agreement of system requirements understanding the change in system capability against … with suggested recommendations to support the design of improvements. o Review/agreement of External Interface documents and management of interface baseline. o Leading other engineering activities such as performance testing, human factors, safety analysis, information assurance About You: As an experienced Systems Engineer, your skills and experience may include; o Experience of working with Software Systems o More ❯

drive our limitless ambitions. About the role Reporting to the Engineering Director, this role will take responsibility for ensuring quality across our engineering deliverables, with a strong focus on testing processes, automation, and best practice adoption. The QA Manager will work closely with business systems and transformation teams to ensure a consistent and collaborative approach to quality assurance. This … a process aligned to our risk appetite and use of automation across development teams. • Lead and mentor the QA team, fostering a collaborative and supportive environment. • Develop and maintain testing frameworks including automated regression, UAT, and performance testing. • Collaborate closely with Product Managers, Digital Product Designers, Delivery Managers, Engineers and business stakeholders to embed quality early in the … will work with Engineering, QA and the rest of the CGTO team. About you • Proven experience leading QA teams within a fast-paced technology environment. • Strong knowledge of software testing methodologies and automation frameworks. • Experience managing stakeholders and collaborating across cross-functional teams. • Ability to coach and mentor QA professionals, enabling growth and development. • Excellent problem-solving, analytical, and More ❯