23 of 23 Performance Testing Jobs in London

Release Quality Manager

Hiring Organisation
Vitality Corporate Services Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£45,000
time hours per week. We are happy to discuss flexible working! Top 3 skills needed for this role: Expert in release quality governance Proven performance testing leadership Strong stakeholder influence & collaboration experience What this role is all about: As a Release Quality Manager, youll play a pivotal role … that keep quality front and centre across the IT estate. Working closely with agile engineering teams and external partners, youll embed best-in-class testing practices, drive performance testing excellence, and ensure every release meets the high bar we set before it reaches production. Its a role ...

Performance Test Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£475 - £525 per day
Performance Test Engineer - Outside IR35 - 6 month initial contract - London/hybrid - up to £525 per day We're looking for an experienced Performance Test Engineer to lead and deliver end-to-end performance testing for a modern web platform built on a microservices architecture. … responsibilities: Define and implement the performance testing strategy. Design and execute load, stress, endurance, and capacity tests. Develop and maintain test scripts using JMeter or similar tools. Identify and analyse performance bottlenecks across applications and services. Work closely with Development, QA, and DevOps teams to resolve issues ...

Principal Automation Test Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
work and life About the Role As a Principal Software Developer in Tes t, 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. … will: 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. P rovide Expert Insights: Conduct technical QA health ...

Graduate Software Developer Programme

Hiring Organisation
Mortgage Brain
Location
London, United Kingdom
Employment Type
Permanent
your development throughout the programme. You will receive: A dedicated mentor Regular 1:1 check-ins with SME line management Peer support Bi annual performance review and goals aligned to business KPIs Friendly and collaborative working environment Key duties: During the programme, you will work across a variety … Agile delivery processes SDET/Quality Engineering Learn how quality and automation are built into modern software delivery. Potential exposure to: Test automation API testing Performance testing Regression testing Quality assurance processes Automation frameworks About you: We're particularly interested in graduates who: Enjoy solving problems ...

Senior Test Engineer (SC Cleared)

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
delivering high-quality, reliable artificial intelligence and data-driven solutions within a complex, enterprise-scale environment. This is an exciting opportunity to lead testing strategy across cutting-edge AI systems, ensuring robust validation, strong governance, and continuous quality improvement across digital platforms. The Role As a Senior Test Engineer … will operate at a strategic level, shaping testing approaches for AI and data services while remaining hands-on across automation, validation, and delivery pipelines. You will: Lead the design and execution of end-to-end test strategies across AI and digital programmes Ensure quality across AI models, data pipelines ...

Senior Test Engineer (SC Cleared)

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
delivering high-quality, reliable artificial intelligence and data-driven solutions within a complex, enterprise-scale environment. This is an exciting opportunity to lead testing strategy across cutting-edge AI systems, ensuring robust validation, strong governance, and continuous quality improvement across digital platforms. The Role As a Senior Test Engineer … will operate at a strategic level, shaping testing approaches for AI and data services while remaining hands-on across automation, validation, and delivery pipelines. You will: Lead the design and execution of end-to-end test strategies across AI and digital programmes Ensure quality across AI models, data pipelines ...

Infrastructure Tester

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum
Centre, working remotely as part of a collaborative team delivering enterprise-scale solutions across a range of sectors. This is more than a traditional testing role. Alongside manual and automated testing, you'll validate infrastructure, environments, deployments and integrations, working closely with Developers, DevOps Engineers and Project teams … services and application layers. Validate deployments, configuration changes and environment stability across cloud platforms, servers and CI/CD pipelines. Perform integration, regression and performance testing across multiple platforms. Work closely with Development and Operations teams to identify, troubleshoot and resolve issues early in the delivery lifecycle. Automate ...

Tester - Infrastructure, Manual & Automation

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum Bonus, Pension, etc
working - requires travel to London and customer sites + Up to £50,000 per annum plus bonus, pension and training Key Skills: Background in Testing DevOps Infrastructure Hybrid | Competitive Salary + Benefits This is a broad, hands-on role: it is not a pure software testing position … your work will be far more varied. Alongside manual testing, you'll validate infrastructure, environments, deployments and integrations, working closely with developers, DevOps engineers and project teams to plan, execute and continually improve the testing that gives our clients robust, secure systems. Key Responsibilities * Design, execute and maintain ...

Principal Apps Integration CI/CD & Automation Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Apps. As a Principal CI/CD & Automation Engineer, you will lead the design and implementation of CI/CD pipelines and automated testing strategies for streaming and web applications. You will play a critical role in building a new function within the team, driving best practices, and enabling … Lead the design, implementation and continuous improvement of CI/CD pipelines across web applications. Define and deliver end‐to‐end automated testing strategies covering UI, API, integration and performance testing. Develop scalable automation frameworks and advanced Python‐based automation solutions. Embed testing within CI/ ...

Principal Apps Integration CI/CD & Automation Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Apps. As a Principal CI/CD & Automation Engineer, you will lead the design and implementation of CI/CD pipelines and automated testing strategies for streaming and web applications. You will play a critical role in building a new function within the team, driving best practices, and enabling … Lead the design, implementation and continuous improvement of CI/CD pipelines across web applications. Define and deliver end-to-end automated testing strategies covering UI, API, integration and performance testing. Develop scalable automation frameworks and advanced Python-based automation solutions. Embed testing within CI/ ...

Principal Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with platform teams to optimise cost, scale, and reliability of inference endpoints. Monitoring, Drift Detection & Observability Define observability standards for feature drift, concept drift, performance degradation, and data integrity. Lead the creation of dashboards, benchmarks, and automated alerting across the ML ecosystem. Ensure telemetry pipelines adhere to privacy, data … minimisation, and compliance policies. Drive adoption of proactive failover, shadow-mode testing, and continuous validation patterns. Security, Compliance & ML Governance Set and enforce ML-specific security standards including data minimisation, encryption, and PII handling. Oversee creation of Model Cards, lineage artefacts, and compliance documentation. Ensure ML systems meet governance ...

Remote Software QA Tester

Hiring Organisation
Cooper Lomaz Recruitment
Location
London, UK
Employment Type
Full-time
based applications. Creation of test plans in Azure DevOps for customer UAT. Creation and maintenance of test data. Perform various types of testing, including functional, regression, ad hoc, and automated testing. Design, write, and maintain automated test scripts using tools like Playwright, Selenium or similar. Identify, document, and prioritize … bugs and technical issues. Collaborate with developers and stakeholders to troubleshoot and resolve issues. Conduct post-release and post-implementation testing to ensure system stability. Track and report quality metrics, such as defect densities and open defect counts. Participate in product design reviews to provide input on functional requirements ...

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
grow. As a Senior Software Developer in Test , youll: 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. Play … 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 ...

Principal Quality Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
engineering domain. You will work closely with Engineering Squad Leads, fellow Principal QEs, and Tooling Specialists to ensure consistency, scalability, and excellence in testing approaches. You will guide teams in the adoption of best practices, support cross-domain alignment, and actively contribute to our Quality Chapter’s strategic initiatives. … practices from the Quality Chapter, ensuring they keep pace with our Cloud, DevOps, Tooling, and Simulation strategies. Bring together Leads and Engineers to align testing approaches and support planning across domains. Collaborate with other Principal QEs to share lessons and maintain consistency in ways of working. Introduce appropriate testing ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
robust, scalable automation solutions across multiple projects and clients Mentor and coach a team of SDETs, fostering growth, upskilling, and driving best practices in testing and automation Own the QA strategy on projects - setting the vision for test architecture, tooling, quality metrics, and delivery excellence Engage directly with clients … trusted advisor, understanding business needs and aligning our testing approach accordingly Contribute to pre-sales and project scoping, helping shape engagements from inception through delivery What Were Looking For We understand leadership takes many forms. If you're driven to inspire others, lead innovation, and take ownership of delivery ...

VP/AVP - C++ Algo Trading Engineer/ Strategist - Cash Equities

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum
direct impact on the business. What you'll do: * Develop and optimise trading algorithms for Cash Equities execution* Build and enhance low-latency, high-performance trading systems* Work closely with developers, quants and business stakeholders* Analyse trading system issues and identify opportunities for algorithmic improvement* Contribute to core trading … framework development, testing, scalability and reliability What you'll bring: * Strong C++ engineering experience* Experience in electronic trading, algo execution, market data or order execution systems* Strong understanding of low-latency/high-throughput systems* TCP/IP, UDP or multicast networking experience* Smart Order Routing, Best Execution ...

Workday Test Lead

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800/day
traditional, strategic leadership position. You will not be executing manual scripts; instead, you will have complete ownership of the end-to-end testing lifecycle. Stepping in during the critical Design Phase, your primary focus will be defining the overarching test strategy, structuring detailed master test plans, and managing program … countries. Key Responsibilities Architect and deliver robust test strategies and detailed planning frameworks tailored for a global footprint. Take end-to-end accountability for testing quality gates, including Configuration Unit Testing, System Integration Testing (SIT), E2E, User Acceptance Testing (UAT), and Performance Testing. Bridge ...

Senior Rates Developer - Java

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
eCommerce channels Integration of new quantitative models and external market data feeds This is a hands‐on engineering role within a fast‐paced, high‐performance trading technology environment. Key Responsibilities Work directly with eRisk quants and Rates/FX traders to gather requirements and refine technical solutions. Contribute … Produce detailed technical designs aligned to solution architecture. Implement high‐quality Java server‐side components, applying industry‐standard development patterns. Build simulation and back‐testing environments; investigate regression issues where required. Conduct automated unit, integration, and performance testing prior to UAT. Deploy components into development, test ...

Salesforce Developer

Hiring Organisation
The Hyde Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£54,800 - £66,000 per annum
environment that champions employee wellbeing, continuous learning, and long-term development. As a Salesforce Developer at Hyde, you will be responsible for developing, integrating, testing and maintaining new and existing features across Hyde’s Salesforce and Contact Centre platform. You will work closely with business representatives, IT colleagues … Contact Centre platform. Collaborate with cross-functional teams to shape technical design, requirements, limitations and implementation plans. Carry out unit, integration and performance testing, investigating and resolving issues identified during testing. Support day-to-day Salesforce operations, including user access, security, custom objects, fields, workflows, validation rules, page ...

Security Systems Engineer

Hiring Organisation
NTT Global Data Centers EMEA UK ltd
Location
Dagenham, Essex, South East, United Kingdom
Employment Type
Permanent
sustaining and new installations Owns and manages all aspects of the security equipment at the facilities to ensure appropriate and efficient functionality by regular testing and monitoring and rolling preventative maintenance of systems to maximize uptimes and minimize customer impacts Maintains comprehensive documentation for pre- and post- installation … security equipment Reviews and updates security systems layout as modifications occur Consults on enhancements and upgrades of systems supporting business needs by benchmarking systems performance and applying Best Known Methods (BKM) approach Participates in NTT Security task forces, suggests system changes and improvements, and manages inventory of all equipment ...

Release Quality Manager

Hiring Organisation
Vitality Corporate Services Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 Annual
time hours per week. We are happy to discuss flexible working! Top 3 skills needed for this role: Expert in release quality governance Proven performance testing leadership Strong stakeholder influence & collaboration experience What this role is all about: As a click apply for full job details ...

Principal, Lead Engineer AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
introducing new capabilities. Software Design and Development Leads the design and delivery of AI/ML solutions within their scope, ensuring high standards of performance, scalability and maintainability. Designs and oversees implementation of end‐to‐end ML workflows, including data pipelines, feature engineering, model development and deployment, working closely … standards. Oversees the end‐to‐end AI/ML lifecycle within their scope, from prototyping through to deployment and optimisation. Ensures that solutions consider performance, interpretability and appropriate use of AI, in line with organisational standards and expectations. Promotes the adoption of modern AI techniques, including machine learning, natural ...

Senior Software Engineer, Consensus

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Software Engineer, Consensus - Anza Who We Are Anza is a Solana R&D lab pushing the boundaries of blockchain performance and scalability. Anza was founded by experienced executives and core engineers solving the toughest problems in Web3. Crypto ecosystems rely on robust protocols, and we believe those are best … among validators. Ensure Security and Integrity: Identify and mitigate potential security vulnerabilities within the consensus mechanisms, ensuring robust protection against emerging threats. Scalability and Performance: Work on improving the scalability of the consensus system to handle increasing transaction volumes and validator participation without compromising on performance. Testing ...