26 to 50 of 219 Performance Tuning Jobs in London

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 ❯

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 ❯

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 ❯

and fund administrators. Collaboration: work closely with front-end developers, product managers, and other stakeholders to deliver high-quality features that meet customer needs. Performance Tuning: identify and resolve performance bottlenecks in the back-end services and ensure efficient data flow and processing. Security: implement best practices 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 performance tuning and optimization of systems. Documentation and Knowledge 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 performance tuning and optimization of systems. Documentation and Knowledge 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. Performance tuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and 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. Performance tuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and More ❯

S3, Redshift, Athena, and Lake Formation. Implement data governance, security, and compliance best practices, including IAM roles, encryption, and access controls. Monitor and optimize performance of data workflows using CloudWatch, AWS Step Functions, and performance tuning techniques. Automate data processes using Python, PySpark, SQL, or AWS SDKs. … and business intelligence initiatives. Maintain and enhance CI/CD pipelines for data infrastructure using Terraform, CloudFormation, or CDK. Troubleshoot and resolve data integration, performance, and reliability issues in a cloud environment. Required Skills & Qualifications: 5+ years of experience in data engineering with a strong focus on AWS cloud … Apache Spark, Hadoop, or Presto. Hands-on experience with machine learning pipelines and AI/ML data engineering on AWS. Benefits: Competitive salary and performance-based bonus structure. Join a rapidly expanding start-up where personal growth is a part of our DNA. Benefit from a flexible work environment More ❯

enterprise portfolio assessments, review operational best practices and conduct skills transfer workshops. AWS consultants collaborate with customers and partners to address security and compliance, performance and scale, availability and manageability. They advise customers on data platforms using the full range of AWS services. They also assist with the non … of our differences. Ongoing events and learning experiences inspire us to never stop embracing our uniqueness. Mentorship & Career Growth We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship and other career-advancing … at least one modern programming language (Python, Ruby, Java, etc) Experience building data products incrementally and integrating and managing datasets from multiple sources Query performance tuning skills using Unix profiling tools and SQL Experience leading large-scale data warehousing and analytics projects, including using AWS technologies - Redshift, S3 More ❯

TVs, including developing new bespoke features based on requests from Tier1 partners, enabling partner customizations of differentiated deep panel/hw coupled features, system performance tuning/optimization, and integration of their proprietary features. The scope includes manufacturing tpt and related diagnostic support as well. Post-launch support … concise manner to a variety of audiences. PREFERRED QUALIFICATIONS Expertise in consumer device systems/ecosystem. Exposure to panel technologies and ecosystem. Experience in performance optimization and tuning of high throughput consumer electronic devices. Demonstrable customer obsession and balance between tactical delivery and long-term strategy to deliver More ❯

where required. (SQL Failover Clustering, Database Mirroring, and SQL Merge/Transactional Replication). Support for SQL server - Asynchronous/Synchronous replication. Monitoring and Performance Tuning; Physical Server Level, Database level (Database settings and options) and query tuning. (Maintaining Index fragmentation, SQL storage, memory settings, monitoring CPU usage More ❯

and Azure Analysis Services, applying best practices in DAX and Power Query (M). Drive governance, security (e.g., Row-Level Security, workspace management), and performance tuning best practices for enterprise BI environments. Integrate Power BI with Azure Data Services (e.g., Azure Synapse, Data Lake, Databricks) and M365 platforms 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 ❯

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 ❯

SQL, and Python skills with comprehensive understanding of software development life cycles Proficiency with columnar and/or time series data design patterns and performance tuning techniques Experience with Infrastructure as Code and Scripting languages Knowledge of Information Security principles for compliant data handling Excellent communication skills to More ❯

SQL, and Python skills with comprehensive understanding of software development life cycles Proficiency with columnar and/or time series data design patterns and performance tuning techniques Experience with Infrastructure as Code and Scripting languages Knowledge of Information Security principles for compliant data handling Excellent communication skills to 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 ❯

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 ❯

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 ❯

engagement activities is highly desirable. Preferred Skills Camunda Certified Developer or Architect. Experience migrating from legacy BPM platforms to Camunda. Knowledge of process monitoring, performance tuning, and optimization techniques Exposure to front-end frameworks (e.g., Angular, React) for building user tasks/UI. VASS is an Equal Opportunity More ❯

CDK to ensure consistency and scalability. Monitoring and Alerting: Set up monitoring and logging systems to proactively detect and address potential issues, ensuring optimal performance and reliability, in environments like on-prem Prometheus/Thanos, as well as Grafana Cloud and Loki. Database Management: Manage hundreds of on-prem … PostgreSQL databases, including performance tuning, backups, disaster recovery strategies, and their active/passive counterparts in AWS. Collaboration: Work closely with cross-functional teams, including developers, system administrators, and technical managers, to improve the overall development and deployment processes, and keep everyone in sync as to deliverables and More ❯

areas is a must have . Monitoring and Alerting: Set up monitoring and logging systems to proactively detect and address potential issues, ensuring optimal performance and reliability, in environments like on-prem Prometheus/Thanos, as well as Grafana Cloud and Loki. Database Management: Manage hundreds of on-prem … PostgreSQL databases, including performance tuning, backups, disaster recovery strategies, and their active/passive counterparts in AWS. Collaboration: Work closely with cross-functional teams, including developers, system administrators, and technical managers, to improve the overall development and deployment processes, and keep everyone in sync as to deliverables and More ❯

areas is a must have . Monitoring and Alerting: Set up monitoring and logging systems to proactively detect and address potential issues, ensuring optimal performance and reliability, in environments like on-prem Prometheus/Thanos, as well as Grafana Cloud and Loki. Database Management: Manage hundreds of on-prem … PostgreSQL databases, including performance tuning, backups, disaster recovery strategies, and their active/passive counterparts in AWS. Collaboration: Work closely with cross-functional teams, including developers, system administrators, and technical managers, to improve the overall development and deployment processes, and keep everyone in sync as to deliverables and More ❯

more scalable and modern architecture. You ll work across the stack using technologies like .NET and Vue.js , helping to rebuild legacy components and improve performance, maintainability, and integration. If you enjoy working with both established and emerging technologies in a collaborative environment, we d love to hear from you. … develop, and maintain scalable web applications using .NET and Vue.js. Support and enhance legacy systems built with older .NET and Vue.js versions. Optimize database performance (SQL Server, MongoDB). Collaborate with cross-functional teams to gather requirements and implement solutions. Write clean, maintainable, and efficient code following best practices. … AI tools or services into software solutions. Strong analytical and debugging skills with a keen eye for detail. Preferred Qualifications Deep knowledge of SQL performance tuning, indexing, and query optimization. Experience with message brokers and asynchronous communication patterns (e.g., RabbitMQ, Kafka). Exposure to CI/CD pipelines More ❯