51 to 75 of 75 Performance Testing Jobs in London

Experience distributing model output with eTrading/infrastructure teams 8+ years of Core Java (JDK 11+) 4+ years of Python in enterprise environments High-performance, event-driven messaging systems experience Solid unit + regression testing in CI/CD Strong multi-threading skills Highly Desirable: Knowledge of Interest … Rate Swap products (FRA, IRS, XCCY) Bloomberg API experience (BPIPE, SAPI, DAPI) Java performance testing React and JavaScript skills Ideal Candidate Will Also: Lead technical design (efficiency, scalability, security) Provide guidance on technical decisions in line with standards Mentor teammates on technical implementations Handle multiple projects at once More ❯

systems, and dashboards. Develop, implement, and maintain comprehensive data quality controls in line with the Bank's Data Quality Framework. Automate controls and control testing wherever possible, including dashboard validation processes. Collaborate with cross-functional teams (frontline, business analysts, product managers, risk functions) to identify and resolve quality issues. … for data visualization and reporting purposes. Validate the accuracy of data presented in dashboards by comparing it against source systems and expected results. Conduct performance testing for dashboards to ensure optimal load times and usability. Foster a culture of accountability for data quality across frontline banking teams. Stay … for querying and validating data used in visualizations is beneficial. Experience with coding languages is desirable but not essential (e.g. python) Experience with automated testing tools/frameworks is desirable but not essential. Excellent analytical skills with attention to detail in testing visualizations and operational systems. Ability to More ❯

inter-dependencies within and connected to Finance Systems. Review and prepare technical/functional specifications, communications, and project plans. Manage the 3e Development & Controlled Testing environments, ensuring version control, database updates, and performance reviews. Serve as Group Finance point of contact for performance testing reviews. Build More ❯

for Data Centres Our client, a leader in critical digital infrastructure solutions, is searching for a Senior Lab Manager to spearhead the validation and testing of liquid cooling technologies . This role is pivotal in developing high-performance solutions for data centres and critical environments, helping define the … As the Senior Lab Manager, you’ll oversee the operation of advanced liquid cooling labs, ensuring systems and equipment meet the highest standards of performance and reliability. You'll lead a talented team, collaborate closely with global product development teams, and drive validation initiatives that set industry benchmarks. You … the chance to make a global impact on the future of liquid cooling technology. Key Responsibilities : Lab Leadership : Oversee daily lab operations, ensuring seamless performance of advanced equipment and systems. Project Management : Lead validation projects, including performance testing, reliability analysis, and scalability studies. Collaboration : Partner with global More ❯

for Data Centres Our client, a leader in critical digital infrastructure solutions, is searching for a Senior Lab Manager to spearhead the validation and testing of liquid cooling technologies . This role is pivotal in developing high-performance solutions for data centres and critical environments, helping define the … As the Senior Lab Manager, you’ll oversee the operation of advanced liquid cooling labs, ensuring systems and equipment meet the highest standards of performance and reliability. You'll lead a talented team, collaborate closely with global product development teams, and drive validation initiatives that set industry benchmarks. You … the chance to make a global impact on the future of liquid cooling technology. Key Responsibilities : Lab Leadership : Oversee daily lab operations, ensuring seamless performance of advanced equipment and systems. Project Management : Lead validation projects, including performance testing, reliability analysis, and scalability studies. Collaboration : Partner with global More ❯

to join Superco, a leading Shopify Plus agency. You’ll work on high-growth e-commerce stores, delivering pixel-perfect UI, seamless UX, and performance-optimised front-end builds. This role is ideal for someone who combines strong technical skills with a deep understanding of the Shopify ecosystem and … Shopify themes using Liquid, HTML, CSS/SCSS, and JavaScript • Implement responsive layouts and pixel-accurate designs based on Figma • Optimise site speed and performance across devices and browsers • Create custom sections and components using Shopify 2.0 architecture (2) Integration & Functionality • Integrate apps such as ReCharge, Yotpo, Klaviyo, and … the front-end experience • Collaborate with back-end developers to connect APIs, custom apps, and third-party services • Set up analytics, tracking scripts, and testing environments when required (3) Collaboration & Delivery • Work closely with designers, strategists, and project managers to deliver high-quality builds • Participate in code reviews and More ❯

to join Superco, a leading Shopify Plus agency. You’ll work on high-growth e-commerce stores, delivering pixel-perfect UI, seamless UX, and performance-optimised front-end builds. This role is ideal for someone who combines strong technical skills with a deep understanding of the Shopify ecosystem and … Shopify themes using Liquid, HTML, CSS/SCSS, and JavaScript • Implement responsive layouts and pixel-accurate designs based on Figma • Optimise site speed and performance across devices and browsers • Create custom sections and components using Shopify 2.0 architecture (2) Integration & Functionality • Integrate apps such as ReCharge, Yotpo, Klaviyo, and … the front-end experience • Collaborate with back-end developers to connect APIs, custom apps, and third-party services • Set up analytics, tracking scripts, and testing environments when required (3) Collaboration & Delivery • Work closely with designers, strategists, and project managers to deliver high-quality builds • Participate in code reviews and More ❯

a leading investment bank. This position offers the opportunity to work directly with traders, quants, and risk teams, contributing to model assessment, optimization, and performance testing for exotic interest rate derivatives. You will work in a dynamic team of 13, where your contributions will directly impact trading decisions … and regulatory compliance. Collaborate with traders and quants to assess and understand the implications of model choices for structured rates products. Run and analyze performance tests on C++ production libraries, leveraging Python notebooks or scripts. Design, implement, and run new performance tests to optimize models for live trading … efficiency and accuracy. Propose, design, and implement alternative model components using Python (and ideally C++). Develop automated tools in Python to streamline model testing, reporting, and documentation. Interact with cross-functional teams (traders, risk managers, validators, audit, product control, market risk) to ensure robust model lifecycle management. Write More ❯

a leading investment bank. This position offers the opportunity to work directly with traders, quants, and risk teams, contributing to model assessment, optimization, and performance testing for exotic interest rate derivatives. You will work in a dynamic team of 13, where your contributions will directly impact trading decisions … and regulatory compliance. Collaborate with traders and quants to assess and understand the implications of model choices for structured rates products. Run and analyze performance tests on C++ production libraries, leveraging Python notebooks or scripts. Design, implement, and run new performance tests to optimize models for live trading … efficiency and accuracy. Propose, design, and implement alternative model components using Python (and ideally C++). Develop automated tools in Python to streamline model testing, reporting, and documentation. Interact with cross-functional teams (traders, risk managers, validators, audit, product control, market risk) to ensure robust model lifecycle management. Write More ❯

completeness, and consistency across systems (e.g., landing, staging, transformation, and reporting layers). Implement automated data quality and validation tests. Perform regression, integration, and performance testing on data workflows. Participate in code reviews, defect triaging, and sprint planning sessions. Monitor data pipeline executions and investigate test failures or … anomalies. Document test results, defects, and quality metrics. Preferred qualifications: Experience with PySpark or notebooks in Databricks. Exposure to Azure DevOps, Unit Testing frameworks, or Great Expectations for data testing. Knowledge of data warehousing or medallion architecture (bronze, silver, gold layers). Experience with data visualization tools (e.g., Power More ❯

completeness, and consistency across systems (e.g., landing, staging, transformation, and reporting layers). Implement automated data quality and validation tests. Perform regression, integration, and performance testing on data workflows. Participate in code reviews, defect triaging, and sprint planning sessions. Monitor data pipeline executions and investigate test failures or … anomalies. Document test results, defects, and quality metrics. Preferred qualifications: Experience with PySpark or notebooks in Databricks. Exposure to Azure DevOps, Unit Testing frameworks, or Great Expectations for data testing. Knowledge of data warehousing or medallion architecture (bronze, silver, gold layers). Experience with data visualization tools (e.g., Power More ❯

Junit to ensure high-quality software delivery. Oversee the development and execution of automated test scripts using Postman and Jmeter to validate API and performance testing. Provide technical guidance and mentorship to the QA team to enhance their skills and ensure best practices are followed. Collaborate with development teams … into the CI/CD pipeline using Jenkins and Maven. Ensure comprehensive test coverage by developing and maintaining test cases for functional regression and performance testing. Utilize Azure for managing test environments and deploying applications for testing. Implement and maintain testing strategies for web applications using Bootstrap and … and troubleshoot issues ensuring timely resolution. Work closely with product owners and stakeholders to understand requirements and define test strategies. Drive continuous improvement in testing processes and methodologies to enhance efficiency and effectiveness. Ensure compliance with industry standards and best practices in software testing and quality assurance. Contribute More ❯

Junit to ensure high-quality software delivery. Oversee the development and execution of automated test scripts using Postman and Jmeter to validate API and performance testing. Provide technical guidance and mentorship to the QA team to enhance their skills and ensure best practices are followed. Collaborate with development teams … into the CI/CD pipeline using Jenkins and Maven. Ensure comprehensive test coverage by developing and maintaining test cases for functional regression and performance testing. Utilize Azure for managing test environments and deploying applications for testing. Implement and maintain testing strategies for web applications using Bootstrap and … and troubleshoot issues ensuring timely resolution. Work closely with product owners and stakeholders to understand requirements and define test strategies. Drive continuous improvement in testing processes and methodologies to enhance efficiency and effectiveness. Ensure compliance with industry standards and best practices in software testing and quality assurance. Contribute More ❯

of the DevOps & Agile culture and principles. Experience in working with IT consumers, understanding requirements and opportunities, and translating them into solutions and taste-testing minimum viable products (A/B testing, etc.). Continuous Integration and Deployment: Familiarity with CI/CD practices and tools for automating … software build, test, and deployment processes. Performance Optimization: Knowledge of techniques and tools for optimizing software performance, including profiling, code review, and performance testing. Team Leadership and Management: Experience in leading and managing technical teams, including task assignment, mentoring, performance evaluation, and fostering a collaborative work … and future maintenance. Data Analytics and Business Intelligence: Familiarity with data analytics tools, data visualization techniques and business intelligence concepts. Experience of modern key testing techniques and tools. Logical and algorithmic thinking. Strong problem-solving skills. Good communication skills. 7+ years of experience in IS/IT, with Agile More ❯

search for an IT Support Specialist. In this role, you will be responsible for providing first line technical support, running reports, conducting disaster recovery testing, and managing IT assets. Responsibilities: Provide first line technical support, responding to support queries in a timely manner. Maintain a high level of customer … and seek closure, escalating more complex calls to third party IT support. Manage and maintain a comprehensive list of all support calls. Perform regular performance testing on the network. Monitor and address blocked emails in the spam filter. Check scheduled reports and troubleshoot any failures. Update analysis using More ❯

search for an IT Support Specialist. In this role, you will be responsible for providing first line technical support, running reports, conducting disaster recovery testing, and managing IT assets. Responsibilities: Provide first line technical support, responding to support queries in a timely manner. Maintain a high level of customer … and seek closure, escalating more complex calls to third party IT support. Manage and maintain a comprehensive list of all support calls. Perform regular performance testing on the network. Monitor and address blocked emails in the spam filter. Check scheduled reports and troubleshoot any failures. Update analysis using More ❯

new and revise existing document generation processes; Follow the specific standards of each of our customers to ensure quality control; Assist in quality and performance testing. Required Skills: Bachelor's degree (BA/BS) in a related field such as information systems, mathematics, or computer science or equivalent work More ❯

the lookout for a highly motivated BMS Commissioning Engineer to join our growing team of building automation specialists. Youll be responsible for the commissioning, testing, and handover of BMS installations across a variety of commercial and industrial projects in London. ? Key Responsibilities: Commissioning and programming of Tridium Niagara , Distech … and Trend systems Fault finding and performance testing Integration with third-party systems Project documentation and handover reports Working closely with project managers, control panel manufacturers, and end clients ?? Requirements: Proven experience in BMS commissioning with a strong focus on Tridium, Distech, and Trend Electrically qualified (NVQ Level … principles and control strategies Excellent communication and organisational skills Valid UK driving licence preferred ?? What We Offer: Competitive salary (£45,000 - £60,000)and performance-based bonus Company vehicle or Car allowance of £6,800 Continuous professional development Opportunity to work on high-profile projects across London Supportive and More ❯

the lookout for a highly motivated BMS Commissioning Engineer to join our growing team of building automation specialists. Youll be responsible for the commissioning, testing, and handover of BMS installations across a variety of commercial and industrial projects in London. ? Key Responsibilities: Commissioning and programming of Tridium Niagara , Distech … and Trend systems Fault finding and performance testing Integration with third-party systems Project documentation and handover reports Working closely with project managers, control panel manufacturers, and end clients ?? Requirements: Proven experience in BMS commissioning with a strong focus on Tridium, Distech, and Trend Electrically qualified (NVQ Level … principles and control strategies Excellent communication and organisational skills Valid UK driving licence preferred ?? What We Offer: Competitive salary (£45,000 - £60,000)and performance-based bonus Company vehicle or Car allowance of £6,800 Continuous professional development Opportunity to work on high-profile projects across London Supportive and More ❯

the lookout for a highly motivated BMS Commissioning Engineer to join our growing team of building automation specialists. Youll be responsible for the commissioning, testing, and handover of BMS installations across a variety of commercial and industrial projects in London. ? Key Responsibilities: Commissioning and programming of Tridium Niagara , Distech … and Trend systems Fault finding and performance testing Integration with third-party systems Project documentation and handover reports Working closely with project managers, control panel manufacturers, and end clients ?? Requirements: Proven experience in BMS commissioning with a strong focus on Tridium, Distech, and Trend Electrically qualified (NVQ Level … principles and control strategies Excellent communication and organisational skills Valid UK driving licence preferred ?? What We Offer: Competitive salary (£45,000 - £60,000)and performance-based bonus Company vehicle or Car allowance of £6,800 Continuous professional development Opportunity to work on high-profile projects across London Supportive and More ❯

within the Customer Success Team plays a crucial role in ensuring the quality and reliability of Aforza's solutions. You will be responsible for testing software, identifying issues, and collaborating with the development team to deliver exceptional products to our customers. Your meticulous attention to detail and passion for … success and satisfaction. Responsibilities Develop and execute test plans, test cases, and test scripts based on functional and technical specifications. Perform various types of testing, including functional, integration, regression, and performance testing. Identify, document, and track software defects using a bug tracking system. Analyze test results and provide … Information Technology, or a related field. Proven experience as a QA Analyst or Software Tester, preferably in a SaaS environment. Strong understanding of software testing principles, methodologies, and best practices. Experience with bug tracking systems (e.g., Jira) and test management tools. Familiarity with agile development methodologies. Excellent analytical, problem More ❯

Role: Senior Software Engineer – Trading Systems 🌍 Location: London - hybrid (meet once a month) 💰 Salary: £150,000 to £200,000 + Guaranteed and Performance Bonus' 🛠 Key Skills: Rust, Trading Systems/Exchanges, Crypto/Blockchain An innovative fintech start-up, backed by significant private investment, is looking for an exceptional … routing, execution optimisation, and multi-venue trade reconciliation. Experience with crypto markets , particularly derivatives such as perpetual swaps, futures, and other digital assets. High-performance system design , focused on ultra-low-latency execution and high-throughput architectures. Excellent problem-solving ability , capable of designing scalable, high-quality technical solutions. … Advocate for automated testing , with real-world experience in unit, integration, regression, and performance testing. Offer: Salary between £150,000–£200,000 + guaranteed and performance bonus'. Hybrid working with access to a Central London office (1–4 days per month) - the core team are London More ❯

Role: Senior Software Engineer – Trading Systems 🌍 Location: London - hybrid (meet once a month) 💰 Salary: £150,000 to £200,000 + Guaranteed and Performance Bonus' 🛠 Key Skills: Rust, Trading Systems/Exchanges, Crypto/Blockchain An innovative fintech start-up, backed by significant private investment, is looking for an exceptional … routing, execution optimisation, and multi-venue trade reconciliation. Experience with crypto markets , particularly derivatives such as perpetual swaps, futures, and other digital assets. High-performance system design , focused on ultra-low-latency execution and high-throughput architectures. Excellent problem-solving ability , capable of designing scalable, high-quality technical solutions. … Advocate for automated testing , with real-world experience in unit, integration, regression, and performance testing. Offer: Salary between £150,000–£200,000 + guaranteed and performance bonus'. Hybrid working with access to a Central London office (1–4 days per month) - the core team are London More ❯

and design utilising a variety of programming languages and tools. • Designing and development of software tests to prove several qualities including functionality, robustness, performance. • Testing and integration of software and target hardware. • Supporting of lifecycle and product maturity activities such as design reviews. Benefits: As well as a competitive … as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject More ❯

and design utilising a variety of programming languages and tools. • Designing and development of software tests to prove several qualities including functionality, robustness, performance. • Testing and integration of software and target hardware. • Supporting of lifecycle and product maturity activities such as design reviews. Benefits: As well as a competitive … as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject More ❯