Mainframe Performance QA Engineer BCP Special Pool IRC248855 Job: IRC248855 Location: United Kingdom - London Designation: Lead Test Engineer Experience: 5-10 years Function: Quality Assurance Skills: DB2, IBM IMS, JCL, Performance testing/tuning, z/OS Work Model: Remote, Hybrid The client is a world-leading … years of hands-on experience: Good knowledge of IMS (log (IMS type 07 and Type 56FA) and ABEND analysis, DC Monitor (DFSUTR20), STROBE, Performance Analyzer, IMSASAP/GPAR, ability to read SYSUDUMPs, etc.) Performancetuning techniques: OS (z/OS,) Database (IMS, DB2) with focus on IMS … tuning Strong expertise in performance testing and tuning Strong technical QA experience Excellent skills in defining, documenting, and analyzing test strategy, test plan, test cases, and test results Excellent test case execution and troubleshooting skills Testing proficiency (release-specific testing, regression testing) Testing in a Waterfall environment More ❯
Birmingham, Staffordshire, United Kingdom Hybrid / WFH Options
Recruitment Revolution
including Life Assurance, Private Health Cover, Pension Scheme, and More Your Skills/Background: Design and Build of High Volume Database Architectures TSQL, SQL, PerformanceTuning Who we are: We're Sprint Enterprise Technology - a small, high-impact fintech company, doing big things in the UK wealth management … private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our data-driven solutions. Our product FINIO is the award winning data hub that connects investment platforms, discretionary fund managers with software providers … financial technology solutions. This is a fully remote opportunity within the fintech sector. About you: An expert in the design and build of high performance/high volume database architectures Highly proficient in TSQL including Stored Procedures, Views, Triggers, and UDF's Have in-depth knowledge of SQL Internal More ❯
eFX trading systems Java Developer +Hybrid working in London +6 months + +Inside IR35 +£500 - £600 a day Skills: + Low latency & high performancetuning +FX experience To support financial and technology teams in London responsible for the client's state of the art global electronic FX … experience of tools associated with Enterprise Java application development eg: BitBucket/Git Flow SonarQ TeamCity IntelliJ Jira Devops Containerisation Virtualisation Low latency & high performancetuning If you'd like to discuss this role in more detail, please send your updated CV to (url removed) and I will More ❯
system optimization. This role requires hands-on experience with UCS Fabric Interconnects, service profiles, VMware clusters, and best practices for maintaining high availability and performance during upgrade processes. Role Responsibilities UCS Firmware Upgrades: Plan, coordinate, and execute UCS firmware upgrades across Fabric Interconnects, blades, and rack servers. Ensure minimal … Maintenance: Upgrade VMware ESXi hosts and ensure compatibility with UCS firmware versions. Validate upgrades in staging/UAT environments before deployment to production. Address performance, compatibility, and licensing considerations post-upgrade. Performance Monitoring & Troubleshooting: Monitor system performance pre- and post-upgrade to ensure stability. Investigate and resolve … any upgrade-related failures or performance degradations. Work with cross-functional teams to address any interoperability issues. Capacity Planning & Scalability: Assess current infrastructure to determine upgrade impacts and resource requirements. Plan for future scalability while ensuring UCS and ESXi environments remain optimized. Documentation & Reporting: Maintain detailed records of upgrade More ❯
london, south east england, united kingdom Hybrid / WFH Options
Vallum Associates
system optimization. This role requires hands-on experience with UCS Fabric Interconnects, service profiles, VMware clusters, and best practices for maintaining high availability and performance during upgrade processes. Role Responsibilities UCS Firmware Upgrades: Plan, coordinate, and execute UCS firmware upgrades across Fabric Interconnects, blades, and rack servers. Ensure minimal … Maintenance: Upgrade VMware ESXi hosts and ensure compatibility with UCS firmware versions. Validate upgrades in staging/UAT environments before deployment to production. Address performance, compatibility, and licensing considerations post-upgrade. Performance Monitoring & Troubleshooting: Monitor system performance pre- and post-upgrade to ensure stability. Investigate and resolve … any upgrade-related failures or performance degradations. Work with cross-functional teams to address any interoperability issues. Capacity Planning & Scalability: Assess current infrastructure to determine upgrade impacts and resource requirements. Plan for future scalability while ensuring UCS and ESXi environments remain optimized. Documentation & Reporting: Maintain detailed records of upgrade More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
Vero HR Ltd
automated and manual testing frameworks to ensure robust software quality. Lead the design and execution of comprehensive test strategies, including functional, regression, integration, and performance testing. Collaborate with software developers and product managers to identify potential quality risks and define test requirements. Perform in-depth debugging and root cause … pipeline integration, code quality reviews, and version control management. Develop and maintain test documentation, including test plans, test cases, and defect reports. Monitor software performance metrics and contribute to performancetuning and optimisations. Mentor and support junior QA engineers, ensuring quality and continuous improvement within the engineering … skills, with the ability to articulate technical issues and collaborate across teams. Desirable: Experience in the robotics, automation, or embedded systems industry. Knowledge of performance testing tools such as JMeter, Gatling, or similar. Familiarity with security testing principles and tools. Experience working in a start-up or scale-up More ❯
Reading, Oxfordshire, United Kingdom Hybrid / WFH Options
Computer Futures / SThree Group
Technical Architect Job Title: AWS Technical Architect - Cloud-Based Systems Location: Remote First - Twice a month in London Salary: Up to £100,000 + Performance Related Bonuses Security Clearance: Must have or be eligible for UK Security Clearance About the Role: Join our team as a AWS Technical Architect … with industry regulations and security policies. CI/CD & Automation: Champion CI/CD pipelines and infrastructure as code for reliable cloud service delivery. Performance & Cost Optimisation: Drive performancetuning and cost optimisation strategies. Risk Management: Identify and mitigate technical risks. Documentation & Best Practices: Maintain architectural standards More ❯
Technical Architect Job Title: AWS Technical Architect - Cloud-Based Systems Location: Remote First - Twice a month in London Salary: Up to £100,000 + Performance Related Bonuses Security Clearance: Must have or be eligible for UK Security Clearance About the Role: Join our team as a AWS Technical Architect … with industry regulations and security policies. CI/CD & Automation: Champion CI/CD pipelines and infrastructure as code for reliable cloud service delivery. Performance & Cost Optimisation: Drive performancetuning and cost optimisation strategies. Risk Management: Identify and mitigate technical risks. Documentation & Best Practices: Maintain architectural standards More ❯
Mainframe Architect Salary: Upwards from £120,000 per annum + performance-related bonus Location : London-based (hybrid), with flexibility for occasional travel to client sites. The Role We are seeking an experienced Mainframe Architect to lead the design, implementation, and modernisation of mission-critical mainframe solutions for high-profile … clients. This role is pivotal in bridging business requirements with cutting-edge technology, ensuring seamless integration, scalability, and performance across complex enterprise environments. As a Mainframe Architect , you will be responsible for crafting tailored mainframe database architectures, working closely with stakeholders to define solutions that align with both client … needs and industry best practices. You will oversee the technical execution of projects from inception to delivery, ensuring efficiency, security, and performance optimization. This is a strategic leadership role that requires both deep technical expertise and the ability to communicate complex solutions to technical and non-technical stakeholders alike. More ❯
seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact … with Senior Stakeholders such as PMs, Quants and Traders As a Software Engineer you will have the following responsibilities: Design, develop, and maintain high-performance trading applications. Performancetuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Hunter Bond
seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact … with Senior Stakeholders such as PMs, Quants and Traders As a Software Engineer you will have the following responsibilities: Design, develop, and maintain high-performance trading applications. Performancetuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
CACI Limited
cloud services. • Work closely with DevOps, engineering teams, product management, and stakeholders to ensure that architectural strategies align with both technical and business objectives. • Performance & Cost Optimisation: Drive performancetuning, cost optimisation, and cloud resource management strategies to maximise efficiency and minimise cloud spend. • Risk Management: Identify More ❯
Taunton, Somerset, United Kingdom Hybrid / WFH Options
CA Tech Talent
agile environment. Key Responsibilities: Lead the design, development, and delivery of high-quality web applications. Work across the full stack with a focus on performance, scalability, and user experience. Collaborate with product owners, designers, and stakeholders to translate business requirements into technical solutions. Contribute to architectural decisions and code …/CI-CD: Docker, Kubernetes, Git, Azure DevOps or similar pipelines. Cloud: Experience with Azure or AWS highly desirable. Strong understanding of system design, performancetuning, and security best practices. About You: Proven experience in full stack development, ideally in a senior or lead role. A strong grasp More ❯
Loughton, Essex, South East, United Kingdom Hybrid / WFH Options
Profile 29
their duty as a responsible lender. Job They are seeking a skilled SQL Database Specialist to design, implement, maintain, and optimize SQL databases for performance, security, and reliability. Their ideal candidate will possess expertise in query development, database maintenance, security measures, and cloud database management, and will contribute to … Query Development and Optimization: Create and enhance complex SQL queries, stored procedures, and functions for efficient data manipulation. Database Maintenance: Perform backups, indexing, and performancetuning to ensure optimal database functionality. Performance Monitoring: Utilize tools such as Redgate SQL Monitor to identify and resolve bottlenecks. Troubleshooting: Analyse … Bash). Familiarity with cloud-based database solutions like SQL Azure. Expertise in database security and disaster recovery planning. Proven ability to optimize database performance and scalability. Other Stuff Please only apply if you are able to work from their Debden offices Monday-Friday. Hybrid or remote working is More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Recruitment Revolution
leading investment platforms and back-office systems in the UK. Your Skills/Background: Design and Build of High Volume Database Architectures, TSQL, SQL, Performance Tuning. Who we are: We're Sprint Enterprise Technology - a small, high-impact fintech company, doing big things in the UK wealth management industry … private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our data-driven solutions. The Senior Microsoft SQL Developer role: We are seeking an experienced Senior Microsoft SQL Developer to work closely alongside … financial technology solutions. This is a fully remote opportunity within the fintech sector. About you: An expert in the design and build of high performance/high volume database architectures Highly proficient in TSQL including Stored Procedures, Views, Triggers, and UDF's Have in-depth knowledge of SQL Internal More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Recruitment Revolution
leading investment platforms and back-office systems in the UK. Your Skills/Background: Design and Build of High Volume Database Architectures, TSQL, SQL, Performance Tuning. Who we are: Were Sprint Enterprise Technology a small, high-impact fintech company, doing big things in the UK wealth management industry, and … private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our data-driven solutions. Our product FINIO is the award winning data hub that connects investment platforms, discretionary fund managers with software providers … financial technology solutions. This is a fully remote opportunity within the fintech sector. About you: An expert in the design and build of high performance/high volume database architectures Highly proficient in TSQL including Stored Procedures, Views, Triggers, and UDF's Have in-depth knowledge of SQL Internal More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
Recruitment Revolution
leading investment platforms and back-office systems in the UK. Your Skills/Background: Design and Build of High Volume Database Architectures, TSQL, SQL, Performance Tuning. Who we are: Were Sprint Enterprise Technology a small, high-impact fintech company, doing big things in the UK wealth management industry, and … private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our data-driven solutions. Our product FINIO is the award winning data hub that connects investment platforms, discretionary fund managers with software providers … financial technology solutions. This is a fully remote opportunity within the fintech sector. About you: An expert in the design and build of high performance/high volume database architectures Highly proficient in TSQL including Stored Procedures, Views, Triggers, and UDF's Have in-depth knowledge of SQL Internal More ❯
leading investment platforms and back-office systems in the UK. Your Skills/Background: Design and Build of High Volume Database Architectures, TSQL, SQL, Performance Tuning. Who we are: We re Sprint Enterprise Technology a small, high-impact fintech company, doing big things in the UK wealth management industry … private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our data-driven solutions. Our product FINIO is the award winning data hub that connects investment platforms, discretionary fund managers with software providers … financial technology solutions. This is a fully remote opportunity within the fintech sector. About you: • An expert in the design and build of high performance/high volume database architectures • Highly proficient in TSQL including Stored Procedures, Views, Triggers, and UDF's • Have in-depth knowledge of SQL Internal More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Recruitment Revolution
leading investment platforms and back-office systems in the UK. Your Skills/Background: Design and Build of High Volume Database Architectures, TSQL, SQL, Performance Tuning. Who we are: We're Sprint Enterprise Technology – a small, high-impact fintech company, doing big things in the UK wealth management industry … private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our data-driven solutions. Our product FINIO is the award winning data hub that connects investment platforms, discretionary fund managers with software providers … financial technology solutions. This is a fully remote opportunity within the fintech sector. About you: • An expert in the design and build of high performance/high volume database architectures • Highly proficient in TSQL including Stored Procedures, Views, Triggers, and UDF's • Have in-depth knowledge of SQL Internal More ❯
London, Covent Garden, United Kingdom Hybrid / WFH Options
RecruitmentRevolution.com
leading investment platforms and back-office systems in the UK. Your Skills/Background: Design and Build of High Volume Database Architectures, TSQL, SQL, Performance Tuning. Who we are: We’re Sprint Enterprise Technology – a small, high-impact fintech company, doing big things in the UK wealth management industry … private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our data-driven solutions. Our product FINIO is the award winning data hub that connects investment platforms, discretionary fund managers with software providers … financial technology solutions. This is a fully remote opportunity within the fintech sector. About you: • An expert in the design and build of high performance/high volume database architectures • Highly proficient in TSQL including Stored Procedures, Views, Triggers, and UDF's • Have in-depth knowledge of SQL Internal More ❯
bracknell, south east england, United Kingdom Hybrid / WFH Options
NEC Software Solutions
development of large applications using an Oracle database and toolset Solid PL/SQL skills, with experience of writing design specifications, problem solving and performancetuning Appreciation of application and data security Must be eligible for UK Security Clearance Desirable: Experience of Oracle Apex, javascript, HTML and CSS More ❯
will be familiar with Terraform, DevOps practices, and the use of RMAN for Oracle database backups. This position involves database design, deployment, optimisation, automation, performancetuning, and incident resolution. Collaboration with developers, architects, and DevOps teams is essential to ensure that data infrastructure meets business needs and industry … databases. Integrate database management into CI/CD pipelines using tools like GitLab CI or GitHub Actions. Use CloudWatch or other tools to monitor performance, database health, and availability. Collaborate with DevOps, Security, and Engineering teams to align database strategies with overall platform architecture. Troubleshoot complex incidents and optimise … PostgreSQL. Experience with Aurora PostgreSQL or Oracle Goldengate. Proficiency in SQL, PL/SQL, and understanding of PostgreSQL functions and extensions. Skills in SQL performance optimisation including indexing strategies, execution plan analysis, and understanding database internals. Exposure to automation tools like Terraform, CloudFormation, Ansible, or scripting in Python/ More ❯
They foster a culture of innovation, collaboration, and excellence, offering engineers the opportunity to work with the latest technologies in a fast-paced, high-performance environment. Role Overview: We are seeking a highly motivated Junior Linux Engineer with a strong foundation in DevOps, automation, and Python scripting . The … Responsibilities: Support, manage, and optimize Linux-based trading infrastructure. Develop and maintain automation tools and scripts using Python and other relevant technologies. Monitor system performance, troubleshoot issues, and ensure high availability of trading systems. Collaborate with software developers, network engineers, and traders to enhance system performance and reliability. … manner. Requirements: 1-6 years of experience as a Linux Engineer, DevOps Engineer, or similar role. Strong understanding of Linux systems administration, including troubleshooting, performancetuning, and security. Proficiency in Python for scripting, automation, and system integration. Experience with DevOps tools such as Ansible, Terraform, Docker, or Kubernetes. More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Hunter Bond
They foster a culture of innovation, collaboration, and excellence, offering engineers the opportunity to work with the latest technologies in a fast-paced, high-performance environment. Role Overview: We are seeking a highly motivated Junior Linux Engineer with a strong foundation in DevOps, automation, and Python scripting . The … Responsibilities: Support, manage, and optimize Linux-based trading infrastructure. Develop and maintain automation tools and scripts using Python and other relevant technologies. Monitor system performance, troubleshoot issues, and ensure high availability of trading systems. Collaborate with software developers, network engineers, and traders to enhance system performance and reliability. … manner. Requirements: 1-6 years of experience as a Linux Engineer, DevOps Engineer, or similar role. Strong understanding of Linux systems administration, including troubleshooting, performancetuning, and security. Proficiency in Python for scripting, automation, and system integration. Experience with DevOps tools such as Ansible, Terraform, Docker, or Kubernetes. More ❯
Engineer to develop immersive, interactive tools built on modern web technologies. This role is part of a multidisciplinary Agile team focused on delivering high-performance, secure systems for operational use in complex environments. You'll have the opportunity to shape feature development and continuously improve delivery standards. Skills/… Cesium Familiar with Agile ways of working, including team ceremonies and sprint planning Skilled in creating responsive, mobile-friendly layouts to ensure cross-device performance Experience with performancetuning across applications and databases to optimise system speed Hands-on experience implementing application security fixes based on pen More ❯