126 to 150 of 366 Performance Tuning Jobs in England

maintain ETL design documents, mapping specifications, and technical documentation Perform data profiling, validation, and reconciliation to ensure data quality Optimize DataStage jobs for performance, scalability, and reliability Troubleshoot and resolve ETL failures, data issues, and production incidents Work closely with DBAs, Unix teams, schedulers (TWS/IWS), and application … Senior DataStage Developer: Lead ETL design and review Mentor junior developers Own complex data domains and critical batch flows Support architectural decisions and performance tuning If you are interested in this position and would like to learn more, please send through your CV and we will ...

Software Developer – High Performance Trading SystemsLocation: London (On-site)400k+ total compWe are looking for a talented software engineer to join a high-performing team responsible for architecting and delivering the systems that underpin a leading and disruptive global trading operation.You’ll work on the full lifecycle of high … throughput, low-latency platforms – including algorithmic trading engines, venue connectivity, and real-time pricing infrastructure. Expect deep technical ownership, constant performance tuning, and direct impact on production trading.What you’ll work on:Design and optimise mission-critical systems where microseconds and gigabits matterBuild core infrastructure for trading strategies ...

improve team capability across C#/.NET, OpenShift, MongoDB, SQL, messaging, platform engineering and modern engineering practices. Ensure appropriate unit, integration, contract, regression, performance and system testing is applied, and support UAT, release preparation, cutover and early‐life support. Liaise with business users, methodology teams, delivery managers, support teams … patterns, including contract‐first API design, versioning, validation, error models and backward compatibility. Strong document database knowledge, preferably MongoDB, including schema design, indexing, aggregation, performance tuning, consistency trade‐offs and operational considerations. Strong relational database and SQL skills, including design, optimisation and data warehouse interaction. Strong knowledge ...

workloads and high-availability services, with a focus on resilience, zero-downtime deployment approaches, and operational excellence. Establish and enhance monitoring, logging, alerting, and performance management practices for business-critical digital products and AI services. Collaborate closely with software engineers, platform engineers, AI engineers, and product teams to troubleshoot … scripting or programming skills in at least one modern language such as Python, Go, Ruby, JavaScript, or similar. Experience with monitoring, logging, alerting, and performance tuning for production systems. Ability to troubleshoot both application and infrastructure issues in complex distributed environments. Strong understanding of software quality, security, automation ...

architecture and technical direction across multiple products and services. Design, implement and review high-quality Java and full-stack solutions, APIs and integrations. Lead performance optimisation, scalability and resilience initiatives. Drive security best practices, vulnerability remediation and secure software development lifecycle (SDLC) practices. Work closely with Data, Operations, DevOps … complex production issues. Drive improvements in system observability, monitoring and operational performance. Ensure applications are designed and operated to meet reliability, availability and performance targets. Partner with Operations, DevOps and QA teams to maintain production stability and service quality. Embed a culture of operational excellence, continuous improvement and proactive ...

/or database management. The Cboe Site Reliability Engineering team is a highly skilled unit responsible for platform engineering, configuration management, implementation, capacity planning, performance tuning, analysis, troubleshooting, reporting, and process automation. This position is instrumental in support of both Cboe’s European markets and Cboe's follow … operational oversight to sustain resiliency and high availability of critical business operations. Monitor production, disaster recovery, and certification systems for issues. Analyze and optimize performance of real-time trading platforms. Operate and maintain low-latency bare-metal infrastructure, including hardware health, Linux OS tuning, and kernel-bypass networking ...

about the role and who we’re looking for... A bit about the role At Allwyn, the Site Reliability Engineer supports the reliability and performance of digital services by operating production systems, building automation, and improving observability. You will work closely with Senior SREs and engineering teams to ensure … production services across digital platforms Improve monitoring, alerting, and observability coverage Reduce operational toil through automation Support incident response and continuous improvement Contribute to performance and scaling of services Production operations Participate in 1-in-4 on-call rotation: Respond to incidents Support out-of-hours diagnosis Monitor system ...

solutions within a complex enterprise environment. Essential Skills Strong Oracle PL/SQL development experience. IBM DataStage ETL development expertise. Advanced SQL development and performance tuning skills. Data warehousing and data integration experience. Experience working with large datasets in enterprise environments. Strong analytical and problem-solving skills. Desirable ...

using HTML, CSS, JavaScript frameworks Experience with Test Driven Development (TDD)/Behavior Driven Development Experience with cloud platforms and container technologies Experience with performance tuning and system optimization Exposure to agile methodologies such as CI/CD, Application Resiliency, and Security Adaptability to changing project requirements ...

leverage terabytes of data.Ability to analyse technical requirements and design new architectures, data models, and ETL strategies.Expertise in database design, complex T-SQL programming, performance tuning, and index analysis.Hands-on experience with cloud-based relational and non-relational databases.Facilitate discussions among developers to exchange ideas and introduce innovative ...

evolve monitoring and alerting solutions that improve visibility, reduce toil, and strengthen system health.Continuously drive reliability improvements across our environments through incident reduction, performance tuning, and building resilient patterns.Partner with Security teams to ensure our platforms meet compliance, security, and risk‐management expectations.Lead seamless handovers from project delivery ...

deployments. · Security hardening – lead security-posture reviews, implement GuardDuty, CloudWatch and IAM best practices. · SRE & monitoring – uphold SLAs through observability stacks, proactive alerting and performance tuning of distributed systems. · Collaboration & enablement – automate repetitive tasks, mentor developers and champion DevSecOps best practice across teams. · Policy & audit ownership - steward ...

Your strategic mindset: Quality Advocate: You take personal pride in the integrity of your work. Beyond just fixing bugs, you champion quality assurance and performance tuning as a mindset, ensuring the data programs we build for our clients are robust, reliable, and respected. Industry Stewardship ...

SpringBoot skills. Experience of developing and deploying on Unix or Linux. Hands‐on experience of using the Kafka ecosystem. Experience of profiling and performance tuning. Experience of Behaviour‐Driven and Test‐Driven development principles and skills. Experience of Public Cloud development. Desirable Skills Working in an Agile development team. ...

Hands‐on SpringBoot skills. Experience developing and deploying on Unix or Linux. Hands‐on experience of using the Kafka ecosystem. Experience of profiling and performance tuning. Experience of Behaviour‐Driven and Test‐Driven development principles and skills. Experience of Public Cloud development. Soft Skills Ability to motivate those ...

Join Barclays as a Low Latency Developer and become part of a technology team responsible for building and enhancing high performance trading systems that support critical business activity across our markets platform. This role is focused on the ongoing development and optimisation of a key platform supporting algorithmic trading … Latency Developer you must have the following essential skills : Low latency and advanced Java knowledge (lock free patterns, zero allocation development, performance tuning). OS and network tuning knowledge and hard on experience (mechanical sympathy). Working with low latency messaging (protocols, middleware). Some other highly ...

solutions using Azure Databricks and Azure Data Factory Design and optimize data pipelines for processing large volumes of data (multi-million records) with high performance Participate in customer discussions, requirement analysis, and technical solution design Ensure code quality, performance tuning, and adherence to best practices throughout development … Azure Databricks development, including efficient handling of large datasets Strong working knowledge of Azure Data Factory for building complex ETL workflows Experience with performance optimization of data pipelines and distributed processing setups Proficiency in Scala development (hands‐on experience highly desirable) Solid understanding of Azure services relevant to data ...

maintenance of resilient and secure cloud-based solutions.Define and implement standardised patterns, practices, and tools to support the development lifecycle.Ensure platforms are optimized for performance, reliability, and scalability.Cloud OptimizationContinuously review and optimize cloud resources for cost efficiency and performance improvements.Ensure solutions adhere to best practices for security, compliance … Infrastructure as Code (IaC), CI/CD, and containerization.Experience managing and optimizing non-production environments to ensure stability and security.Expertise in cost optimization and performance tuning for cloud environments.Exceptional troubleshooting skills, with experience in 4th-line support for critical applications.Strong leadership and team-building skills, with experience ...

building cloud-native microservices, Python preferred, though strong experience in another language works too!Systems at scale - You have built distributed architectures and understand performance tuning and observability, on top of solid fundamentals in data structures, algorithms and system designYou strive for simplicity - You build systems that … best parts of the year - Here is what the last one looked like.BenefitsMarket-competitive salary, benchmarked against your function and reviewed every yearAnnual performance bonus, linked to company performance and your contributionShare options, a real stake in the company and a share in the future you buildPrivate medical ...

building cloud-native microservices, Python preferred, though strong experience in another language works too! Systems at scale - You have built distributed architectures and understand performance tuning and observability, on top of solid fundamentals in data structures, algorithms and system design You strive for simplicity - You build systems that … year - Here is what the last one looked like. Benefits Market-competitive salary , benchmarked against your function and reviewed every year Annual performance bonus , linked to company performance and your contribution Share options , a real stake in the company and a share in the future you build Private ...

involve working closely with delivery teams and end‐client stakeholders to develop, optimise, and support business‐critical Oracle‐based systems, with particular emphasis on performance, stability, and production support. Responsibilities Deliver Oracle PL/SQL development contributing across the full SDLC from requirements through to release and support. Build … production environments, including incident investigation, root‐cause analysis, defect fixes, and controlled releases in line with agreed SLAs. Analyse and improve database and application performance, with exposure to query optimisation, execution plans, indexing, and performance diagnostics. Work closely with project teams, client stakeholders, and QA to deliver high ...

engineers through technical leadership and best practice. Platform architecture Design, implement and review high‐quality Java and full‐stack solutions, APIs and integrations. Lead performance optimisation, scalability and resilience initiatives. Drive security best practices, vulnerability remediation and secure software development lifecycle (SDLC) practices. Work closely with Data, Operations, DevOps … complex production issues. Drive improvements in system observability, monitoring and operational performance. Ensure applications are designed and operated to meet reliability, availability and performance targets. Partner with Operations, DevOps and QA teams to maintain production stability and service quality. Embed a culture of operational excellence, continuous improvement and proactive ...

researchers to enterprises running the world’s most compute-intensive workloads. We deliver on-demand and private GPU infrastructure to teams who treat performance as a requirement, not a feature. We’re a tight-knit, fast-moving team working at the cutting edge of AI cloud infrastructure. We practise … more interested in how you think and work than in a perfect CV. You’ll likely come from an HPC, AI infrastructure, or high-performance cloud background and bring a combination of the following: Proven experience in HPC or AI software stack design and delivery at scale — including workload ...

better future. Through our recruitment, career development and employee-focused programming, we are committed to fostering a welcoming and inclusive work environment where high-performance talent of diverse backgrounds, experiences, and perspectives can build careers within this exciting and growing industry.Job DescriptionSummaryAres is seeking an Assistant Vice President, Senior … microservices-based architectures. Contribute to technical roadmaps and platform modernization initiatives. Evaluate new technologies, frameworks, and development patterns. Ensure solutions meet requirements for scalability, performance, resiliency, security, and maintainability. Application Development & Technology Delivery Develop capabilities across credit deal management platforms, portfolio management solutions, credit analytics platforms, workflow automation solutions ...

ownership of solution delivery from specification through deployment and ongoing optimisation. Review code and ensure engineering quality, maintainability, security, and performance. Support complex troubleshooting, performance tuning, and root‐cause analysis. AI‐Native Engineering Lead adoption of AI‐assisted development tools and agentic AI workflows. Apply Spec‐Driven Development … architecture and operational excellence. Strong database design and optimisation experience. Experience with relational and NoSQL databases. Understanding of complex data flows, integration architectures, and performance optimisation. Practical experience using AI‐assisted engineering tools. Strong AI literacy and understanding of agentic AI workflows. Experience reviewing and validating AI‐generated code ...