26 to 50 of 86 Performance Testing Jobs in London

standards. You’ll build the systems, frameworks, and culture that allow the rest of engineering to own quality themselves; improving and extending our testing platform by creating the infrastructure that allows engineers to write and execute tests, and enable every engineering team to ship with more confidence. Key Responsibilities … Design and implement automation pipelines that support comprehensive testing across multiple environments with varying feature flags and realistic customer data profiles Create intelligent testing agents that simulate real user behavior to validate different configuration combinations Develop and maintain GitHub workflows and actions to automate testing, deployment ...

Senior SDET with strong experience in Golang and Kubernetes to join our core product team. In this role, you'll design and build high-performance, cloud-native back-end systems and scalable APIs to support AI workloads, including LLMs and GPU-based services. You’ll collaborate closely with cross … backend, and machine learning engineers—to design, develop, and maintain scalable test automation frameworks and quality engineering solutions. You’ll help ensure the reliability, performance, and quality of systems that power model training, inference, and orchestration in production environments, while mentoring junior engineers, championing quality best practices, and driving ...

Programme Director. Key responsibilities Programme-level QA ownership Own the programme-level QA strategy, incorporating and coordinating the Atlas and Titan ecosystem testing strategies. Define and maintain the E2E scenario model in partnership with the Product Validation team, ensuring every UAT acceptance criterion maps to tested coverage. Publish … view to delivery leadership and business stakeholders. Own the escalation path for cross-team defects, coverage disputes, and quality risks. Cross-ecosystem and integration testing Define and oversee testing of end-to-end business scenarios spanning both Atlas and Titan. Own QA coverage for cross-cutting systems such ...

Vlocity DataRaptors. Ensure seamless data flow across integrated systems, maintaining data accuracy and performance. Collaborate with IT teams to troubleshoot and resolve integration challenges. Performance Optimization: Optimize Salesforce Core and Vlocity solutions for performance, scalability, and maintainability. Conduct code reviews, performance testing, and debugging to ensure … Document technical designs, workflows, and solution architectures for both Vlocity and Salesforce Core implementations. Provide technical guidance and mentorship to peer developers as needed. Testing and Deployment: Conduct unit, integration, and performance testing for all developed solutions. Support deployments across multiple environments using CI/CD pipelines ...

DNA. Invest in us and we'll invest in you!. Job Description We are seeking a highly skilled and experienced Automation and Performance Test Engineer to lead strategic testing initiatives across complex systems. This role demands a blend of technical expertise, leadership capability, and problem-solving acumen … drive quality across our engineering processes. You will be responsible for designing, building, and maintaining robust automation and performance testing frameworks using open-source tools, while also mentoring and guiding other engineers. Key Responsibilities: - Strategic Leadership: Plan and lead large-scale, complex testing activities, managing risks ...

Role: We are looking for a Test Engineer to join our engineering team and play a key role in ensuring the quality, reliability, and performance of our software products. The successful candidate will have a strong background in software testing, combined with hands-on experience in test automation. … closely with developers, product owners, and other engineers throughout the software development lifecycle, helping to define test strategies, identify defects, and continuously improve our testing practices. Candidates should have development or automation experience using either .NET/C# or Java. Requirements Key Responsibilities: Design, develop, and execute manual ...

Clearance Key Responsibilities - Work closely with business analysts to understand and interpret client requirements.- Define, prepare and execute appropriate test scenarios. - Support and enhance testing across the Customs Declaration Service application. - Contribute to performance testing activity within a complex systems integration environment. - Use Cucumber and Java … part of the test engineering approach. - Manage and document testing activity using JIRA and Confluence. - Collaborate effectively with the wider delivery team across bespoke, COTS and AWS-hosted components. Essential Skills and Experience - Minimum five years of UK residency and eligible for SC Clearance - Performance testing experience. ...

Clearance Key Responsibilities - Work closely with business analysts to understand and interpret client requirements.- Define, prepare and execute appropriate test scenarios. - Support and enhance testing across the Customs Declaration Service application. - Contribute to performance testing activity within a complex systems integration environment. - Use Cucumber and Java … part of the test engineering approach. - Manage and document testing activity using JIRA and Confluence. - Collaborate effectively with the wider delivery team across bespoke, COTS and AWS-hosted components. Essential Skills and Experience - Minimum five years of UK residency and eligible for SC Clearance - Performance testing experience. ...

data integrity requirements. This role owns technical outcomes for complex components and services, influences architecture and platform evolution, and provides deep expertise across development, testing, and production support. While not a line‐management role, it carries strong expectations for technical leadership, mentoring, and collaboration across engineering, architecture, and product … maintain C++ and Java services supporting FX matching and trading workflows. Own technical delivery for key platform components, ensuring alignment with LSEG architectural principles, performance standards, and operational controlsBuild and evolve low‐latency, high‐availability systems handling high message volumes and time‐critical processing. Ensure systems meet non‐functional ...

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 … strategy and governance across a diverse technology landscape Partner with Programme Leads, Product Managers, Architects, Delivery Managers, and Quality Leadership teams Govern supplier quality performance, testing obligations, and delivery assurance activities Drive adoption of Quality Engineering standards, governance frameworks, and best practices Drive quality maturity, standardisation, and governance ...

will ensure the reliability, quality, and security of our real-time voice and video communication systems. You will lead the design of automated testing frameworks, author rigorous technical test cases, and produce comprehensive test reports that drive our deployment decisions. The ideal candidate bridges the gap between deep network … captures. Collaborate on Fixes: Partner closely with DevOps and Network Engineers to isolate, reproduce, and resolve complex infrastructure bugs. Essential SIP/VoIP call performance testing with SIPp, Spectra, WinSIP, StarTrinity Automation using Python & Robot Framework API Test Automation & performance testing with Locust, Blazemeter/Taurus ...

Quality Test Engineer IIIAre you passionate about ensuring high-quality software through robust testing and automation strategies? Do you enjoy identifying defects early and improving systems to deliver seamless, reliable user experiences? About the team: The Search and AI Platform is Elsevier's agentic data platform, which powers products … Quality Engineer to join the Search and AI Platform team. This is a hands-on, automation-first role focused on API and service-level testing, with quality embedded throughout the development lifecycle rather than validated at the end. You will work closely with software engineers, quality engineers and technical ...

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 … 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 ...

concepts of messaging patterns (point-to-point, pub/sub etc, event-driven)Experienced with the full development life-cycle: implementation, review, full automated testing, release and familiarity with the processes and tools this typically includes (CI/CD pipelines etc)Profound understanding of the FIX protocol … Kubernetes highly advantageousSomebody who naturally and continuously strives to improve a product and its 'eco-system' (which includes CI/CD pipelines, automated [performance] testing, [performance] monitoring) and can do so by 'keeping things simple'What we offer you: Private pension plan - 10% of base salary contribution ...

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/ ...

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 ...

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 ...

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 ...

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 ...

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 ...

starter with an entrepreneurial attitude, willing to teach and mentor others, and desire to work in a fast-paced team environment* Experience with automation testing approaches and performance testing* Experience with fixed-income front-office trading systems* Bachelor's degree (BSc/BA) or above in Computer ...

Talend Build and maintain Oracle SQL and DDL artefacts Contribute to CI/CD pipeline enhancements (GitLab) Investigate and resolve defects across development and testing phases Conduct component testing, including test data creation Support QA, performance testing, and production releases Perform peer reviews of development … hands-on experience with Talend (essential) Experience with Oracle databases (preferably RDS) Solid SQL and data modelling capability Experience working within structured SDLC and testing frameworks Familiarity with CI/CD tools (e.g. GitLab) Experience in enterprise or public sector environments desirable SC Eligible ...

Talend Build and maintain Oracle SQL and DDL artefacts Contribute to CI/CD pipeline enhancements (GitLab) Investigate and resolve defects across development and testing phases Conduct component testing, including test data creation Support QA, performance testing, and production releases Perform peer reviews of development … hands-on experience with Talend (essential) Experience with Oracle databases (preferably RDS) Solid SQL and data modelling capability Experience working within structured SDLC and testing frameworks Familiarity with CI/CD tools (e.g. GitLab) Experience in enterprise or public sector environments desirable SC Eligible ...

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 ...

using GitLab for CI/CD pipelines and Cucumber for BDD test automation. AWS Certified Solutions Architect (Associate or Professional).Knowledge of CQRS patterns, performance testing strategies, and application observability. Curiosity to explore emerging cloud technologies, responsible AI, and automation to continually improve engineering practices. Experience delivering customer ...