database solutions that support our enterprise applications and analytics systems. You will play a critical role in defining data strategy, ensuring scalability, security, and performance of SQL-based systems, and collaborating with cross-functional teams to support business goals. Key Responsibilities: Design, architect, and implement high-performance SQL … Server/Oracle/PostgreSQL solutions. Define data architecture standards and best practices for the organization. Develop complex queries, stored procedures, triggers, and performancetuning strategies. Lead the migration of legacy systems to modern data platforms (e.g., cloud-based SQL solutions). Collaborate with DevOps, application developers, BI … in SQL development, data architecture, or database administration. Expert knowledge of relational database systems like Microsoft SQL Server, Oracle, or PostgreSQL. Strong experience with performancetuning, indexing, and query optimization. Experience designing large-scale, distributed data systems in hybrid or cloud environments (e.g., Azure SQL, AWS RDS). More ❯
Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm is leveraging cutting-edge GPU technology to optimize machine learning algorithms and computational models, powering the next wave of … AI and data-driven applications. Their mission is to drive performance optimization in ML and AI workloads, transforming industries such as autonomous vehicles, healthcare, and immersive gaming experiences. This is a fantastic opportunity for someone passionate about low-level systems programming and ML optimization to be part of a … the future of technology. The Role: We are seeking a Low-Level C++ Engineer to join their team and work directly on optimizing GPU performance for machine learning (ML) workloads. As part of the ML optimization team, you will be responsible for developing and fine-tuning GPU-level More ❯
legal systems. This is a key role within the technology team, working with both on-premises SQL Server and Azure SQL databases to optimise performance, security, and reliability. Location = onsite in Guildford 3 days per week - Hybrid Day Rate = £300-400 per day Responsibilities Database Development – Design and implement … efficient database structures for new and existing applications. SQL Optimisation – Develop and maintain T-SQL queries, stored procedures, functions, and triggers for performance improvements. Database Administration – Monitor, troubleshoot, and optimise databases for reliability and scalability. PerformanceTuning – Implement indexing, query optimisation, and resource management. Security & Compliance – Manage … DBA . Expertise in SQL Server & Azure SQL , including database design and optimisation. Strong T-SQL skills (queries, stored procedures, functions). Experience with performancetuning, backup strategies, and high availability . Knowledge of data security best practices and compliance requirements. Familiarity with Azure Data Services (Data Factory More ❯
legal systems. This is a key role within the technology team, working with both on-premises SQL Server and Azure SQL databases to optimise performance, security, and reliability. Location = onsite in Guildford 3 days per week - Hybrid Day Rate = £300-400 per day Responsibilities Database Development – Design and implement … efficient database structures for new and existing applications. SQL Optimisation – Develop and maintain T-SQL queries, stored procedures, functions, and triggers for performance improvements. Database Administration – Monitor, troubleshoot, and optimise databases for reliability and scalability. PerformanceTuning – Implement indexing, query optimisation, and resource management. Security & Compliance – Manage … DBA . Expertise in SQL Server & Azure SQL , including database design and optimisation. Strong T-SQL skills (queries, stored procedures, functions). Experience with performancetuning, backup strategies, and high availability . Knowledge of data security best practices and compliance requirements. Familiarity with Azure Data Services (Data Factory More ❯
maintaining data integrity and security. You will work closely with cross-functional teams to implement best practices in database modernisation, conversion and migration management, performancetuning, and capacity planning during migration processes. Key Responsibilities: Lead the planning and execution of Oracle database modernisation/conversion/migration, ensuring … in Oracle Exadata. Strong knowledge of Oracle Database architecture, features and tools. Experience with data migration methodologies and tools. Ability to design and implement performancetuning strategies for database optimization. Expertise in SQL and PL/SQL programming. Experience with backup/recovery strategies and disaster recovery planning. More ❯
committed to achieving net zero by 2040. Key Responsibilities Collaborate with the DBA team to optimize database queries and improve ETL job performance. Perform performancetuning of ETL processes to meet project requirements and deadlines. Troubleshoot and resolve issues related to ETL processes, data integration, and system performance. … Informatica PowerCenter (ETL tool) including designing and developing mappings, workflows, and sessions. Solid understanding of data modeling concepts and data warehousing. Practical experience on performancetuning techniques for ETL jobs. Excellent problem-solving skills and ability to work independently or in a team. Strong communication and documentation skills. More ❯
to work first hand with multiple stakeholders across different tech stack like Cloud, AI etc. Key responsibilities: Design & develop in JAVA on GCP Platform. Performancetuning and optimization. Exploring new capabilities and components & doing PoC for assessment. Debugging & troubleshooting. Your Profile Essential skills/knowledge/experience: Experience … programming Java + Camunda. Sound knowledge on JAVA, GCP and Camunda. Hands on experience on working on GCP Platform. Strong experiencing on designing, developing & performancetuning of applications. Strong debugging and troubleshooting capabilities. Desirable skills/knowledge/experience: Knowledge on development & deployment on GCP platform. Knowledge on More ❯
Server with minimal service disruption Integrate supplementary modules such as Workload Change Manager Workload Archiving and Workflow Insights into existing environments to maximize system performance System Health Monitoring Proactively manage the health of the Control M environment by continuously monitoring core components and identifying issues before they become service … impacting Utilize observability tools e.g. AppDynamics Splunk Thousand Eyes to analyze system performance and optimize operations Testing Deployment Develop and execute comprehensive functional and non functional test cases for major changes such as version upgrades or the deployment of new Control M Agent Plug Ins Employ scripting e.g. Python … conducting gap analyses facilitating knowledge sharing sessions and developing tailored training plans Troubleshoot and resolve production issues swiftly to maintain high system availability and performance Qualifications: Technical Expertise Demonstrable experience in upgrading and maintaining core Control M components In depth knowledge of Control M modules including Workload Change Manager 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 ❯
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 ❯
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 ❯
low-latency trading infrastructure? Our client, a global quantitative trading firm, is searching for a Core C++ Developer to push the boundaries of high-performance computing. This role offers the chance to optimise execution speed, enhance system scalability, and collaborate with top-tier engineers to develop trading systems at … the cutting edge of technology... Key Responsibilities Design and optimise high-performance, low-latency trading infrastructure in modern C++ (C++17/20) Develop and fine-tune order execution and risk management systems, ensuring robustness and efficiency Optimise CPU performance, memory management, and multi-threaded applications for peak efficiency … Implement and refine networking performance, including TCP/UDP tuning and kernel bypass techniques (AF_XDP, DPDK) Benchmark, profile, and debug real-time systems, reducing latency and maximising throughput Collaborate with quantitative researchers, traders, and infrastructure engineers to improve execution speed Ensure fault tolerance and system resilience, maintaining More ❯
initiatives System Design and Implementation: Involvement in the design and architecture of IT systems and solutions. Lead the implementation of new technologies and upgrades. Performance Optimization: Analyses system performance and recommends improvements or upgrades. Conducts in-depth performancetuning and optimization of systems. Documentation and Knowledge 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 ❯
join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like … software brokers across environments (on-prem and cloud). Provide production support for messaging-related incidents, including root cause analysis and resolution. Monitor system performance and health using Prometheus and Grafana ; proactively identify and address anomalies. Configure and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable … messaging. Collaborate with development and application support teams to troubleshoot message flow issues and integration problems. Perform capacity planning , scaling, and tuning of Solace infrastructure to meet current and future demand. Automate routine maintenance tasks and support continuous improvement of operational processes. Implement and maintain monitoring alerts, dashboards, and 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 ❯
SQL, and Python skills with comprehensive understanding of software development life cycles Proficiency with columnar and/or time series data design patterns and performancetuning techniques Experience with Infrastructure as Code and Scripting languages Knowledge of Information Security principles for compliant data handling Excellent communication skills to More ❯
engagement activities is highly desirable. Preferred Skills Camunda Certified Developer or Architect. Experience migrating from legacy BPM platforms to Camunda. Knowledge of process monitoring, performancetuning, and optimization techniques Exposure to front-end frameworks (e.g., Angular, React) for building user tasks/UI. VASS is an Equal Opportunity More ❯
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 ❯
Bracknell, 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 ❯
South East London, London, United Kingdom Hybrid / WFH Options
TYRENS UK
or similar Experienced with Azure DevOps Solid understanding of system integration principles and practices Desirable skills: Proficient in Microsoft SQL Server database administration and performancetuning Skilled in optimising SQL queries and ensuring database efficiency Familiarity with financial terminology and standard finance practices Hands-on experience with SQL 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 ❯
Bash) for automation. Experience with CI/CD pipeline management and DevOps practices. Strong understanding of disaster recovery and business continuity planning. Experience with performancetuning and capacity planning. Understanding of chaos engineering principles and practices. Skills in cost optimization for cloud infrastructure. Specific Tools and Techniques: Experience … Azure Monitor, and Google Cloud Operations Suite. Experience with packet capture tools like Wireshark for troubleshooting network issues. Experience in using traceroute utilities and performance analysis tools like perf for identifying and resolving bottlenecks. Familiarity with tools such as ipconfig/ifconfig for viewing network configurations, flushing DNS, and … diagnosing network issues. Experience with SNMP-based tools for network device monitoring and performance management. Experience in using NetFlow for network traffic analysis. Experience with tools like iostat, vmstat, and dstat for monitoring storage and system performance. Experience in tools like df, du, lsblk, and fdisk for managing and More ❯
