201 to 225 of 527 Performance Tuning Jobs in the UK

users.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: You are a lifelong ...

front-end development using HTML, CSS, JavaScript frameworksExperience with Test Driven Development (TDD)/Behavior Driven DevelopmentExperience with cloud platforms and container technologiesExperience with performance tuning and system optimizationExposure to agile methodologies such as CI/CD, Application Resiliency, and SecurityAdaptability to changing project requirements and technologiesDesirable skillsExperience ...

goals and enhancing our leading position.Job Responsibilities/Role: Design and develop reusable algo trading platform components, with a strong focus on high performance and low latency.Collaborate directly with Traders, Quants, and Product Managers to understand business requirements and implement functional enhancements to the algo trading platform.Ensure the strong … reliability, scalability, and performance of core algorithmic components.Work seamlessly with wider eTrading Teams and Production Support to maintain and enhance live trading systems.Adhere to stringent engineering standards, continuously striving for best-in-class solutions and practices.Qualifications:Significant extensive hands-on coding experience in core Java, specializing in low-latency ...

future of finance with Citi Tech. Job Responsibilities/Role: Design and develop reusable algo trading platform components, with a strong focus on high performance and low latency. Collaborate directly with Traders, Quants, and Product Managers to understand business requirements and implement functional enhancements to the algo trading platform. … Ensure the strong reliability, scalability, and performance of core algorithmic components. Work seamlessly with wider eTrading Teams and Production Support to maintain and enhance live trading systems. Adhere to stringent engineering standards, continuously striving for best-in-class solutions and practices. Qualifications: Significant extensive hands‐on coding experience ...

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 ...

goals and enhancing our leading position. Job Responsibilities/Role: Design and develop reusable algo trading platform components, with a strong focus on high performance and low latency. Collaborate directly with Traders, Quants, and Product Managers to understand business requirements and implement functional enhancements to the algo trading platform. … Ensure the strong reliability, scalability, and performance of core algorithmic components. Work seamlessly with wider eTrading Teams and Production Support to maintain and enhance live trading systems. Adhere to stringent engineering standards, continuously striving for best-in-class solutions and practices. Qualifications: Significant extensive hands-on coding experience ...

working on a distributed, event‐driven platform responsible for processing billions of market data messages per day. This is a high‐performance environment where reliability, scalability, and correctness are essential. Your work will support downstream systems that depend on timely, accurate market data for analytics. You’ll collaborate closely … available systems; define and manage infrastructure using Terraform. Implement CI/CD pipelines and deployment workflows using tools such as Harness. Optimize systems for performance, latency, throughput, and cost. What We’re Looking For Excellent collaboration and communication skills. Strong experience in distributed systems and event‐driven architectures. Hands ...

growing team in the UK and rest of Europe. About the roleThe CICS Mainframe Systems Programmer is responsible for ensuring the stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment. The role requires strong technical expertise, domain knowledge, and specialist skills to operate, maintain … technical issues. Lead problem determination, root cause analysis, and recovery activities during critical incidents. Design and implement new technology solutions to improve service availability, performance, and operational efficiency. Monitor CICS performance and system resources to ensure optimal response times and service levels. Develop, test, and maintain backup, recovery ...

growing team in the UK and rest of Europe. About the role The CICS Mainframe Systems Programmer is responsible for ensuring the stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment. The role requires strong technical expertise, domain knowledge, and specialist skills to operate … technical issues. Lead problem determination, root cause analysis, and recovery activities during critical incidents. Design and implement new technology solutions to improve service availability, performance, and operational efficiency. Monitor CICS performance and system resources to ensure optimal response times and service levels. Develop, test, and maintain backup, recovery ...

role in designing, developing, and optimising database solutions. This is an opportunity for a strong SQL professional to influence technical direction, improve database performance, support business-critical systems, and mentor other developers. All the while, working within a collaborative technology team and playing a key role in improving … design, development, and optimisation of SQL Server database solutions Develop and optimise complex T-SQL including stored procedures, functions, views, and triggers Troubleshoot database performance issues, including query optimisation, blocking, and deadlocks Support database security, backups, recovery, and high availability solutions Work with developers, analysts, and stakeholders to deliver ...

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 ...

months Security clearance: SC If you enjoy keeping mission-critical data environments running smoothly-and you're the person others turn to when performance or reliability issues hit-this is a strong opportunity. Our Client is hiring for a reputed client to join their Database Services team, supporting Microsoft … Server production databases with a focus on performance, security, and high availability. What you'll be doing: * Administer, maintain and support Microsoft SQL Server environments, including installations, configuration, upgrades, patching and migrations * Manage databases, instances, security settings, users, roles and permissions * Monitor and optimise performance-investigating bottlenecks, locking ...

work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and securityUnderstanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency … industry and their IT systemsPreferred qualifications, capabilities, and skillsExperience with high-volume batch and real-time data processing using PySpark or similar frameworks, including performance tuning and troubleshooting of large-scale data pipelinesIn-depth knowledge of relational and distributed databases (e.g., Oracle, Databricks) with hands-on experience ...

work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency … their IT systems Preferred qualifications, capabilities, and skills Experience with high-volume batch and real-time data processing using PySpark or similar frameworks, including performance tuning and troubleshooting of large-scale data pipelines In-depth knowledge of relational and distributed databases (e.g., Oracle, Databricks) with hands-on experience ...

applied.Implements a repeatable AI-assisted review workflow (PR checklist, quality gates, and approval criteria) that improves readability, reduces defects, and enforces standards for maintainability, performance, and security.Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve … software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security.Defines a practical operating model for AI-assisted development (approved use cases, do/don’t guidance, and escalation paths) so teams ...

platform architecture Work closely with technical and business stakeholders to understand requirements and deliver effective solutions Support testing, deployment and production implementation activities Troubleshoot performance, reliability and data quality issues Follow and contribute to engineering best practices across Databricks and cloud data platforms Support clients through different stages … technical stakeholders Desirable Experience Experience with any of the following would be highly beneficial Delta Lake Unity Catalog MLfow Databricks optimisation and performance tuning AI, Machine Learning or Generative AI initiatives AI-assisted development tools such as Claude, GitHub Copilot or Cursor Consultancy, professional services or client-facing ...

based applications Collaborate with stakeholders to define technical requirements and project goals Mentor and support engineers, fostering growth and knowledge sharing Drive code quality, performance, and security standards across projects Implement best practices in software engineering and agile methodologies Troubleshoot and resolve complex technical issues Review code and provide … platforms and containerization Apply familiarity with DevOps practices and CI/CD pipelines Utilize knowledge of front-end technologies and frameworks Demonstrate expertise in performance tuning and optimization Leverage experience with database technologies (SQL and NoSQL) Use understanding of distributed systems and scalability Apply experience in mentoring ...

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 ...

Define environment strategies (dev/test/prod), CI/CD pipelines, and release processes for Databricks deployments Implement monitoring, logging, cost optimisation, and performance tuning across the platform Design and implement data pipelines using Delta Live Tables, Auto Loader, and Databricks Workflows for both batch and streaming … GDPR, ISO 27001, sector-specific standards) What success looks like in the role: Delivery of robust, secure, and scalable Databricks platforms that meet client performance and cost expectations Clear, well-architected solutions that balance flexibility, governance, and operational efficiency Strong client relationships built on trust, technical credibility, and effective ...

maintain C++ and Java services supporting FX matching and trading workflows.Own technical delivery for key platform components, ensuring alignment with LSEG architectural principles, performance standards, and operational controlsBuild and evolve low‐latency, high‐availability systems handling high message volumes and time‐critical processing.Ensure systems meet non‐functional requirements, including … issues across production, QA, and client environments, including root‐cause analysis of cross‐system failures.Improve code quality and maintainability through clean design, automated testing, performance tuning, and controlled refactoring.Integrate and manage dependencies on messaging platforms, data distribution systems, and upstream/downstream market infrastructure.Evaluate and adopt suitable open ...

with schema development, logical and physical data modelling experience. You will have excellent SQL skills - including writing scripts, stored procedures, query optimisation, and database performance tuning experience.Suited candidates are likely to be passionate about building, cultivating and leading high-performing data teams.As part of this role, you will ...

Spring Boot, Spring Cloud, and Microservices.Deep knowledge of Kafka, NATS, event streaming, API architecture, and integration patterns.Hands-on expertise with Oracle, PostgreSQL, data modelling, performance tuning, and high-availability systems.Excellent stakeholder management, leadership, and communication skills.Preferred QualificationsBanking or Financial Services background.Experience leading large-scale transformation and modernization programs.TOGAF ...

with the business Desirable skills: Cloud Technologies (Azure and/or AWS) CI/CD pipeline PowerShell Azure DevOps Salesforce .NET NAV/BC performance tuning Experience of using verticals such as Jet Analytics Best practice code & architectural patterns Commercial experience within the motor industry What ...

data platform. Responsibilities include: Designing ETL and ELT pipelines Change Data Capture (CDC) AWS Database Migration Service (DMS) Amazon Redshift optimisation SQL performance tuning Data pipeline monitoring Automation Data lifecycle management AWS Data Platform Own the organisation's cloud data platform, including: Amazon Redshift AWS Database Migration Service ...

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.Influence architectural and design decisions through ...