551 to 575 of 1,604 Performance Optimisation Jobs in the UK

Job Title: Core Java Developer – Ultra Low Latency Trading Systems Location: London Type: Permanent Overview: We are hiring a Core Java developer to join a high-performance trading team focused on eFX OR Crypto markets. This role requires deep technical expertise in ultra-low latency systems and a strong understanding of electronic trading environments. Key Responsibilities: Design and develop … low-latency, high-throughput trading components Work closely with quant and trading teams to optimise execution performance Build and maintain messaging infrastructure using technologies such as Aeron, SBE, Disruptor, Chronicle, and FIX Tune the JVM for microsecond-level performance (0GC, CPU affinity, memory management) Contribute to architecture and design decisions for latency-sensitive services Ensure code quality through … eFX or crypto trading platforms , particularly pricing or execution engines Familiarity with low-latency messaging libraries (e.g. Aeron, SBE, Disruptor) Solid understanding of network-level tuning and OS-level performance optimisation Desirable: Experience with 0GC and off-heap memory management Exposure to cloud-based deployment and containerisation (Docker, Kubernetes, CI/CD) Background working in high-frequency trading More ❯

Job Title: Core Java Developer – Ultra Low Latency Trading Systems Location: London Type: Permanent Overview: We are hiring a Core Java developer to join a high-performance trading team focused on eFX OR Crypto markets. This role requires deep technical expertise in ultra-low latency systems and a strong understanding of electronic trading environments. Key Responsibilities: Design and develop … low-latency, high-throughput trading components Work closely with quant and trading teams to optimise execution performance Build and maintain messaging infrastructure using technologies such as Aeron, SBE, Disruptor, Chronicle, and FIX Tune the JVM for microsecond-level performance (0GC, CPU affinity, memory management) Contribute to architecture and design decisions for latency-sensitive services Ensure code quality through … eFX or crypto trading platforms , particularly pricing or execution engines Familiarity with low-latency messaging libraries (e.g. Aeron, SBE, Disruptor) Solid understanding of network-level tuning and OS-level performance optimisation Desirable: Experience with 0GC and off-heap memory management Exposure to cloud-based deployment and containerisation (Docker, Kubernetes, CI/CD) Background working in high-frequency trading More ❯

Technology, Software Architects and team leads, so strong stakeholder management ability is crucial. Duties: Designing, developing, and optimising full-stack JavaScript systems and components (React, Node.js, Typescript) Scaling and performance optimisation of web front-end and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement software development processes, including Agile and … Thorough grasp of distributed web caching tools and techniques, e.g. Redis, etc Understanding of fundamental software development best practices, architectures and patterns Awareness of modern deployment methodologies Expertise in performance optimisation of web technologies Willingness to challenge process and existing ways of working or to truly own the domain you’re a part of, pushing for innovation through More ❯

Technology, Software Architects and team leads, so strong stakeholder management ability is crucial. Duties: Designing, developing, and optimising full-stack JavaScript systems and components (React, Node.js, Typescript) Scaling and performance optimisation of web front-end and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement software development processes, including Agile and … Thorough grasp of distributed web caching tools and techniques, e.g. Redis, etc Understanding of fundamental software development best practices, architectures and patterns Awareness of modern deployment methodologies Expertise in performance optimisation of web technologies Willingness to challenge process and existing ways of working or to truly own the domain you re a part of, pushing for innovation through More ❯

research tools. You will collaborate closely with quantitative researchers, traders, and engineers to translate complex financial models into scalable, low-latency trading solutions. Key Responsibilities: Develop and optimise high-performance trading systems in C++ and Python for algorithmic trading and execution. Implement, test, and deploy trading strategies based on research-driven insights. Enhance and maintain the research and backtesting … closely with quantitative researchers to understand their needs and develop efficient tools for data analysis, simulation, and strategy optimisation. Optimise market data pipelines and trade execution engines to improve performance and reduce latency. Ensure system reliability, scalability, and low-latency performance in a fast-paced trading environment. Utilise distributed computing and high-performance computing techniques to enhance … real-time data processing and trading execution. Required Qualifications: Strong understanding of quant trading logic, market structure, and execution strategies. Proficiency in C++ and Python, with experience in high-performance computing, multi-threading, and distributed systems. Experience with algorithmic trading systems in crypto, equities, FX, or derivatives at least 5 years. Knowledge of financial markets, risk management, and portfolio More ❯

research tools. You will collaborate closely with quantitative researchers, traders, and engineers to translate complex financial models into scalable, low-latency trading solutions. Key Responsibilities: Develop and optimise high-performance trading systems in C++ and Python for algorithmic trading and execution. Implement, test, and deploy trading strategies based on research-driven insights. Enhance and maintain the research and backtesting … closely with quantitative researchers to understand their needs and develop efficient tools for data analysis, simulation, and strategy optimisation. Optimise market data pipelines and trade execution engines to improve performance and reduce latency. Ensure system reliability, scalability, and low-latency performance in a fast-paced trading environment. Utilise distributed computing and high-performance computing techniques to enhance … real-time data processing and trading execution. Required Qualifications: Strong understanding of quant trading logic, market structure, and execution strategies. Proficiency in C++ and Python, with experience in high-performance computing, multi-threading, and distributed systems. Experience with algorithmic trading systems in crypto, equities, FX, or derivatives at least 5 years. Knowledge of financial markets, risk management, and portfolio More ❯

research tools. You will collaborate closely with quantitative researchers, traders, and engineers to translate complex financial models into scalable, low-latency trading solutions. Key Responsibilities: Develop and optimise high-performance trading systems in C++ and Python for algorithmic trading and execution. Implement, test, and deploy trading strategies based on research-driven insights. Enhance and maintain the research and backtesting … closely with quantitative researchers to understand their needs and develop efficient tools for data analysis, simulation, and strategy optimisation. Optimise market data pipelines and trade execution engines to improve performance and reduce latency. Ensure system reliability, scalability, and low-latency performance in a fast-paced trading environment. Utilise distributed computing and high-performance computing techniques to enhance … real-time data processing and trading execution. Required Qualifications: Strong understanding of quant trading logic, market structure, and execution strategies. Proficiency in C++ and Python, with experience in high-performance computing, multi-threading, and distributed systems. Experience with algorithmic trading systems in crypto, equities, FX, or derivatives at least 5 years. Knowledge of financial markets, risk management, and portfolio More ❯

expertise in supporting and maintaining the Oracle Cloud ERP/EPM application, specifically within the Finance and Procurement domains. This role requires a deep understanding of Oracle Cloud architecture, performance optimisation, integration, security, and operational best practices. You will provide advanced technical support, troubleshoot complex issues, manage a team of support engineers and work closely with functional and … Fusion Middleware and database technologies Finance and Procurement domains Extensive experience with Oracle Cloud application development frameworks and tools Proficiency in scripting languages (e.g., SQL and Python) Experience with performance monitoring and tuning tools Understanding of integration technologies ( OCI ) and APIs (e.g., REST, SOAP) Experience with ITIL processes and change management. Desirable: Experience in a technical support role within More ❯

the data landscape in line with strategic data goals Build and maintain highly automated, scalable data pipelines using modern cloud-based tools Identify and resolve data quality and pipeline performance issues to ensure stability and integrity Contribute to the design and deployment of data lakes, warehouses, and streaming architectures Participate in mentoring and upskilling junior team members, supporting a … high-performance, inclusive team culture Continuously look for opportunities to improve delivery methods, introduce new technologies, and drive technical innovation across client projects Databricks, Data Factory, Data Lake, and Synapse (or similar data warehouse tools) Azure Analysis Services or comparable BI tooling Solid programming capability in: SQL, Python, Spark, and ideally DAX Familiarity with CI/CD, Git, and … modern DevOps practices (preferably in Azure DevOps) Exposure to Kimball data modeling, data architecture, and performance optimisation Experience delivering end-to-end solutions involving Azure data platform components More ❯

expertise in supporting and maintaining the Oracle Cloud ERP/EPM application, specifically within the Finance and Procurement domains. This role requires a deep understanding of Oracle Cloud architecture, performance optimisation, integration, security, and operational best practices. You will provide advanced technical support, troubleshoot complex issues, manage a team of support engineers and work closely with functional and … Fusion Middleware and database technologies Finance and Procurement domains Extensive experience with Oracle Cloud application development frameworks and tools Proficiency in scripting languages (e.g., SQL and Python) Experience with performance monitoring and tuning tools Understanding of integration technologies ( OCI ) and APIs (e.g., REST, SOAP) Experience with ITIL processes and change management. Desirable: Experience in a technical support role within More ❯

to join their product engineering team and play a key role in shaping the technical direction of their AI-powered platforms. You'll take ownership of building intuitive, high-performance user interfaces, contribute to architectural decisions, and mentor others in a collaborative, product-driven environment. What You'll need: 8+ years of experience in frontend development, with deep knowledge … TypeScript. Proven expertise in React, or similar frameworks. Solid understanding of state management (e.g., Redux, Pinia) and component-based architecture. Experience integrating with RESTful and GraphQL APIs. Familiarity with performance optimisation, accessibility best practices, and cross-browser compatibility. Strong communication skills and a collaborative mindset. A track record of technical leadership and mentoring. Nice to Have Exposure to More ❯

Java applications handling millions of requests per day, collaborating with cross-functional teams to design systems that meet business and regulatory requirements. You'll seek to continuously improve system performance and scalability, implement automated testing, CI/CD pipelines and document system workflows, architecture and design decisions. Location/WFH: You can work from home from anywhere in the … note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems) You have strong design More ❯

and SMEs. Our comprehensive services include IT support, broadband connectivity, telephone systems, and proactive cybersecurity protection. Modern Networks ensures business continuity through data backup and disaster recovery solutions, optimises performance by managing IT infrastructure, and enhances communications by monitoring and optimising network performance. They also help businesses achieve and maintain compliance with industry regulations and data protection laws. What … development methodologies e.g., DevOps, Scrum (EPICs, Stories, Task, Issues, Bugs). Excellent stakeholder management, communication, and interpersonal skills. Skilled in data modelling, ELT pipelines, and SQL. Knowledge of cloud performance optimisation and cost management. Experience with the definition of data strategy, global data platform strategy, and development roadmaps aligned with the company’s digital transformation plans. Understanding of More ❯

and SMEs. Our comprehensive services include IT support, broadband connectivity, telephone systems, and proactive cybersecurity protection. Modern Networks ensures business continuity through data backup and disaster recovery solutions, optimises performance by managing IT infrastructure, and enhances communications by monitoring and optimising network performance. They also help businesses achieve and maintain compliance with industry regulations and data protection laws. What … development methodologies e.g., DevOps, Scrum (EPICs, Stories, Task, Issues, Bugs). Excellent stakeholder management, communication, and interpersonal skills. Skilled in data modelling, ELT pipelines, and SQL. Knowledge of cloud performance optimisation and cost management. Experience with the definition of data strategy, global data platform strategy, and development roadmaps aligned with the company’s digital transformation plans. Understanding of More ❯

using JIRA for task management and support workflows. Strong experience working with observability tools (Grafana) Strong troubleshooting and problem-solving skills in cloud environments. Understanding of cloud security and performance optimisation best practices. Knowledge of scripting or automation tools (e.g., Python, Terraform) is a plus. Excellent communication and customer service skills. Certifications in GCP (Professional certifications) are highly … Manage and respond to cloud incidents using incident.io, ensuring timely resolution. Use JIRA to log, track, and prioritize support tickets and workflow tasks. Monitor and maintain cloud infrastructure for performance, reliability, and security. Collaborate with teams to identify and implement solutions to technical challenges. Assist in deploying, configuring, and optimising GCP resources. Create and maintain documentation for troubleshooting processes More ❯

using JIRA for task management and support workflows. Strong experience working with observability tools (Grafana) Strong troubleshooting and problem-solving skills in cloud environments. Understanding of cloud security and performance optimisation best practices. Knowledge of scripting or automation tools (e.g., Python, Terraform) is a plus. Excellent communication and customer service skills. Certifications in GCP (Professional certifications) are highly … Manage and respond to cloud incidents using incident.io, ensuring timely resolution. Use JIRA to log, track, and prioritize support tickets and workflow tasks. Monitor and maintain cloud infrastructure for performance, reliability, and security. Collaborate with teams to identify and implement solutions to technical challenges. Assist in deploying, configuring, and optimising GCP resources. Create and maintain documentation for troubleshooting processes More ❯

of building the entire Databricks Lakehouse Platform from scratch. You will provide critical technical leadership, guidance, and hands-on expertise to ensure the successful establishment of a scalable, high-performance, and future-proof data environment. Phase 1: Strategic Vision & Blueprint Data Strategy & Roadmap: Collaborate with business stakeholders and leadership to define the overarching data vision, strategy, and a phased …/ELT processes, and data models using PySpark, SQL, and Databricks notebooks. Data Ingestion & Integration: Establish scalable data ingestion frameworks from diverse sources (batch and streaming) into the Lakehouse. Performance Optimization: Design and implement solutions for optimal data processing performance, cost efficiency, and scalability within Databricks. CI/CD & Automation: Develop and implement Continuous Integration/Continuous Delivery … CI/CD) pipelines for automated deployment of Databricks assets and data solutions. Phase 3: Enablement, Optimisation & Transition Team Enablement: Provide mentorship and technical guidance to a growing team of Data Engineers and Analysts, fostering best practices and Databricks expertise. Data Quality & Monitoring: Implement comprehensive data quality checks, monitoring, and alerting mechanisms to ensure data integrity and reliability. MLOps More ❯

of building the entire Databricks Lakehouse Platform from scratch. You will provide critical technical leadership, guidance, and hands-on expertise to ensure the successful establishment of a scalable, high-performance, and future-proof data environment. Phase 1: Strategic Vision & Blueprint Data Strategy & Roadmap: Collaborate with business stakeholders and leadership to define the overarching data vision, strategy, and a phased …/ELT processes, and data models using PySpark, SQL, and Databricks notebooks. Data Ingestion & Integration: Establish scalable data ingestion frameworks from diverse sources (batch and streaming) into the Lakehouse. Performance Optimization: Design and implement solutions for optimal data processing performance, cost efficiency, and scalability within Databricks. CI/CD & Automation: Develop and implement Continuous Integration/Continuous Delivery … CI/CD) pipelines for automated deployment of Databricks assets and data solutions. Phase 3: Enablement, Optimisation & Transition Team Enablement: Provide mentorship and technical guidance to a growing team of Data Engineers and Analysts, fostering best practices and Databricks expertise. Data Quality & Monitoring: Implement comprehensive data quality checks, monitoring, and alerting mechanisms to ensure data integrity and reliability. MLOps More ❯

of building the entire Databricks Lakehouse Platform from scratch. You will provide critical technical leadership, guidance, and hands-on expertise to ensure the successful establishment of a scalable, high-performance, and future-proof data environment. Phase 1: Strategic Vision & Blueprint Data Strategy & Roadmap: Collaborate with business stakeholders and leadership to define the overarching data vision, strategy, and a phased …/ELT processes, and data models using PySpark, SQL, and Databricks notebooks. Data Ingestion & Integration: Establish scalable data ingestion frameworks from diverse sources (batch and streaming) into the Lakehouse. Performance Optimization: Design and implement solutions for optimal data processing performance, cost efficiency, and scalability within Databricks. CI/CD & Automation: Develop and implement Continuous Integration/Continuous Delivery … CI/CD) pipelines for automated deployment of Databricks assets and data solutions. Phase 3: Enablement, Optimisation & Transition Team Enablement: Provide mentorship and technical guidance to a growing team of Data Engineers and Analysts, fostering best practices and Databricks expertise. Data Quality & Monitoring: Implement comprehensive data quality checks, monitoring, and alerting mechanisms to ensure data integrity and reliability. MLOps More ❯

us at FairPlay and be part of something bigger... What we are looking for: We are seeking a seasoned Principal React Enginee r to lead the development of high-performance, scalable, and user-centric web applications. This role demands a blend of hands-on coding expertise, architectural acumen, and leadership capabilities. You will be instrumental in setting technical direction … Key Responsibilities: Architectural Leadership: Design and implement robust frontend architectures using React.js, ensuring scalability and maintainability. Component Development: Develop and maintain reusable components and libraries to streamline development processes. Performance Optimization: Continuously monitor and enhance application performance, ensuring optimal load times and responsiveness. Collaboration: Work closely with UX/UI designers, backend engineers, and product managers to translate … operate within both Node.js and browser environments. Extensive experience developing complex applications using React.js, demonstrating detailed knowledge of React’s rendering lifecycle, server-side rendering (SSR), hydration processes, and optimisation strategies. Proven expertise in Node.js, particularly in creating scalable and performant backend services, with a thorough understanding of asynchronous programming patterns, event-loop mechanics, and Node.js internals. Demonstrable hands More ❯

us at FairPlay and be part of something bigger... What we are looking for: We are seeking a seasoned Principal React Enginee r to lead the development of high-performance, scalable, and user-centric web applications. This role demands a blend of hands-on coding expertise, architectural acumen, and leadership capabilities. You will be instrumental in setting technical direction … Key Responsibilities: Architectural Leadership: Design and implement robust frontend architectures using React.js, ensuring scalability and maintainability. Component Development: Develop and maintain reusable components and libraries to streamline development processes. Performance Optimization: Continuously monitor and enhance application performance, ensuring optimal load times and responsiveness. Collaboration: Work closely with UX/UI designers, backend engineers, and product managers to translate … operate within both Node.js and browser environments. Extensive experience developing complex applications using React.js, demonstrating detailed knowledge of React’s rendering lifecycle, server-side rendering (SSR), hydration processes, and optimisation strategies. Proven expertise in Node.js, particularly in creating scalable and performant backend services, with a thorough understanding of asynchronous programming patterns, event-loop mechanics, and Node.js internals. Demonstrable hands More ❯

interaction designers to represent user needs internally. Champion user research to focus on all users. Prioritise and define approaches to understand the user story, guiding others in doing so. Performance optimisation: Show an awareness of the principles of web performance and how poor performance can negatively affect user experience. Support activities to improve web performance. Identify … web accessibility and WCAG standards to ensure our codebase and output is compliant. So, whats in it for you? Bonus Schemes A bonus that regularly rewards you for your performance A pension of up to 12% We will match your contributions up to 6% of your salary Our award-winning Vitality health insurance With its own set of rewards More ❯

solutions, including data models, dashboards, and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate project effort, timeline, and resource … Acceptance Testing) and gather feedback for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s degree in Mathematics, Computer Science … and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets, RLS security) Business & Consulting Skills More ❯

teams to build solutions that scale. What You'll Be Doing: Provide technical leadership across multiple product teams, setting direction and enforcing best practices Design and implement scalable, high-performance applications and APIs Participate in hands-on coding activities aligned with roadmap priorities (up to 50%) Define and evolve technical standards, architecture principles, and reusable patterns Own the technical … design and coding experience in .NET, Java, or similar languages Deep experience with SaaS platforms, public APIs, and distributed systems architecture Strong background in databases, caching, systems integration, and performance optimisation Experience in payment processing or financial services is a significant plus Proven ability to translate complex business requirements into scalable technical solutions Demonstrated leadership in enterprise architecture More ❯

solutions, including data models, dashboards, and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate project effort, timeline, and resource … Acceptance Testing) and gather feedback for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s degree in Mathematics, Computer Science … and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets, RLS security) Business & Consulting Skills More ❯