1 to 25 of 168 Permanent Performance Tuning Jobs in England

Team Join Citi's Equities Smart Order Router team, a core part of our Front Office Technology, driving innovation in electronic trading. This established team builds and maintains high-performance, low-latency, high-throughput applications vital for optimizing liquidity sourcing across global markets. You will provide end-to-end SDLC support, developing and enhancing critical trading components. This involves … collaboration with Product teams on requirements, Quants for algorithm implementation, and Production Support to ensure platform stability. Our team thrives on solving complex challenges at the intersection of high-performance computing and intricate trading strategies. If you're passionate about building cutting-edge financial technology with direct market impact, this role offers an exciting opportunity within a highly collaborative … will you do: End-to-End SDLC Ownership: Drive the full Software Development Life Cycle for the Equities Smart Order Router, from design to deployment, ensuring robust and high-performance solutions. Global Collaboration: Work intimately with key stakeholders and colleagues across global regions, including product teams, quantitative analysts, and other engineering groups. Critical L3 Support: Provide essential Level More ❯

What’s on offer High-impact environment: Manage databases that power thousands of daily customer transactions. Tech modernisation: Hands-on involvement in major upgrades Autonomy: Scope to shape how performance tuning, replication, and HA are managed. Lifestyle benefits: Free daily lunch, heavily discounted products, cycle-to-work and EV leasing schemes, staff events, and long-service awards. Job … Security: financially secure successful well established and highly ethical company Key Responsibilities Performance tuning of MySQL databases across a large on-premise estate. Managing replication and HA, ensuring fast recovery and minimal downtime. Proactive monitoring and optimisation. Maintaining reliable backup and recovery procedures. Collaborating with developers, analysts and the wider IT team on schema design and deployments. Supporting … infrastructure upgrades and patching programmes. Candidate Profile Strong DBA in MySQL or MS SQL administration experience (performance tuning, HA, replication). Confident with Linux/Unix (Red Hat preferred). Comfortable in a busy on-premise environment. Familiarity with monitoring and backup tools. Desirable: SQL Server administration and storage optimisation experience. Apply now for a confidential conversation. We More ❯

arrange a specific frequency hybrid agreement that works for the successful individual. You will be well versed in Oracle, PostgreSQL and SQL. You will also be capable of undertaking performance tuning, ensuring high availability of systems, as well as the planning and executions of migrations. You will be rewarded with an excellent salary, as well as a brilliant …/18c/19c, and PostgreSQL (latest supported versions) Expertise in database administration tasks such as backups, restores, and recovery models, database mirroring, replication, log shipping, etc Experience in performance tuning, query optimisation, and troubleshooting performance issues in SQL Server, Oracle, and PostgreSQL databases Knowledge of high availability and disaster recovery solutions for SQL Server, Oracle, and More ❯

queries for data persistence Ensure application scalability and reliability in cloud-hosted Linux based environment Collaborate with DevOps to containerize services and deploy using CI/CD pipelines Conduct performance tuning, code reviews, and troubleshooting production issues Document system architecture, design decisions, and development processes What we want from you Strong hands-on experience with Core Java and … multithreading in high load system Practice with JVM performance optimization and memory profiling Familiarity with distributed systems architecture and in-memory computing concepts Proven experience with in-memory caching solution Apache Ignite in production environment Solid experience with MongoDB (CRUD, indexing, performance tuning) Deep SQL knowledge and query optimization in Oracle database Solid understanding of messaging technologies … receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: 27 days annual leave (plus bank holidays) A discretional annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Note: this page contains a description of More ❯

experience with ETL processes and data pipelines will be a strong advantage. The ideal candidate will be confident in analysing existing databases, advising on best practices, and carrying out tuning and re-architecture where required to maximise performance and cost efficiency. Salary: Up to £55,000 per annum (depending on experience) Key Responsibilities Administer, maintain, and troubleshoot SQL … Access Management . Support and optimise Azure SQL databases and managed instances (PaaS) . Oversee database migrations from MS SQL Server to Azure SQL using migration tooling. Carry out performance tuning and optimisation (PTO) to improve efficiency. Manage and maintain backups, restores, and recovery models . Support High Availability (HA) and Disaster Recovery (DR) solutions. Troubleshoot database connectivity … issues (firewalls, proxies, networking). Automate and streamline processes through SQLCMD and PowerShell scripting . Provide recommendations on re-architecture and performance improvements. Essential Skills & Experience Proven background as a Microsoft SQL Server DBA (5+ years). Strong SQL Server administration and troubleshooting experience. Knowledge of Azure SQL Data Warehouse and ADF/ETL pipelines . Hands-on experience More ❯

dashboards for efficient threat detection. Collaboration: Collaborate effectively with others to drive forward key security objectives Presentation and documentation writing (to both technical and business audiences) Query Optimization and Performance Tuning: Write efficient Elasticsearch queries to retrieve relevant security events. Monitor and manage the performance of the SIEM infrastructure. Security Engineering: Contribute to security engineering projects, transitions … with data protection regulations. Detection Rule Development: Ability to create, test, and optimise detection rules to identify suspicious activities and potential threats based on the MITRE ATT&CK Framework Performance Tuning with Elasticsearch and Logstash: Fine-tune query performance using Elasticsearch indices and mappings. Monitor Logstash pipelines and optimize resource utilization. Kibana Visualization and Monitoring: Leverage Kibana More ❯

process and enable teams to maximize automation in the CI/CD pipeline. Moreover, you will be a hands-on participant in architecture proof of concepts, innovation initiatives, and performance tuning activities. Researching/analyzing emerging technologies, as well as designing and advocating new technologies, architectures, and products in collaboration with system and service owners is part of …/CD and related DevSecOps practices, working with cloud-based platforms such as Azure or AWS Strong software design & development principles, with a focus on system stability, reusability and performance optimized for a global audience Strong understanding of application testing, diagnostics, and performance tuning Strong understanding of TDD and BDD methodologies. And workable knowledge of Data ingestion More ❯

business analysts Understanding of Design & Configuration Experience in Dynamics 365 In-depth knowledge of the Microsoft Dynamics CRM platform Experience in doing fitment analysis of customer requirements Knowledge in Performance tuning possibilities in Dynamics 365 implementations Experience in collaborating with business stakeholders for data integration and data migration activities which can guide a team of developers Experience in … stories. Write clear, testable user stories using Gherkin acceptance criteria. Managing agile delivery teams and team of business analyst. Design & configuration in Dynamics 365. Fitment analysis of customer requirements. Performance tuning possibilities in Dynamics 365 implementations. Collaborating with business stakeholders for data integration and data migration activities which can guide a team of developers. Managing Dynamics 365 projects More ❯

Job Overview: We are looking for an experienced and highly motivated engineer to join one of the hard-working teams within Systems Engineering, with a strong focus on performance analysis. This role is ideal for someone passionate about deep performance investigations, bottleneck identification, and data-driven architectural insights - alongside developing supporting C++ models. About the Role In this … role, your primary responsibility will be performance analysis of next-generation Interconnect IP. You will work closely with architecture, design, and modeling teams to evaluate design trade-offs, identify bottlenecks, improve modeling accuracy, and drive performance validation. About System IP This position is part of the Interconnect Product Team. The Interconnect team develops Arm's CoreLink Interconnect IP … scalable, high-performance NoCs designed for intelligent connected systems across markets such as mobile, IoT, networking infrastructure, and automotive. Our solutions are optimized for Responsibilities: Drive performance analysis of Interconnect IP, including advanced Network-on-Chip designs. Evaluate architectural design trade-offs to influence performance and scalability. Investigate and identify performance bottlenecks through deep analysis and More ❯

and maintain data visualization solutions that transform raw data into actionable insights. Your work enables business stakeholders to make informed decisions through intuitive dashboards and reports that reflect key performance metrics. Key Responsibilities: Requirement Gathering: Collaborate with business and data teams to understand reporting needs and translate them into technical specifications. Data Integration & Modeling: Design efficient data models and … perform ETL from various sources to ensure data accuracy and performance. Dashboard Development: Build interactive, user-friendly dashboards and reports using Qlik Sense scripting and visualization tools. Performance Optimization: Enhance application performance through script optimization and efficient data modeling. Testing & QA: Conduct rigorous testing and support user acceptance to ensure data accuracy and functional alignment. Documentation & Training: Document … Qlik’s scripting language for custom data loading, transformation, and calculations. •Data Analysis and Visualization: Skills in visualizing data, selecting appropriate chart types, and creating user-friendly, interactive dashboards. •Performance Optimization: Understanding of Qlik performance tuning, data model optimization, and dashboard load balancing. •Problem-Solving and Critical Thinking: Ability to analyze and troubleshoot data issues, application errors More ❯

and maintain data visualization solutions that transform raw data into actionable insights. Your work enables business stakeholders to make informed decisions through intuitive dashboards and reports that reflect key performance metrics. Key Responsibilities: Requirement Gathering: Collaborate with business and data teams to understand reporting needs and translate them into technical specifications. Data Integration & Modeling: Design efficient data models and … perform ETL from various sources to ensure data accuracy and performance. Dashboard Development: Build interactive, user-friendly dashboards and reports using Qlik Sense scripting and visualization tools. Performance Optimization: Enhance application performance through script optimization and efficient data modeling. Testing & QA: Conduct rigorous testing and support user acceptance to ensure data accuracy and functional alignment. Documentation & Training: Document … Qlik’s scripting language for custom data loading, transformation, and calculations. •Data Analysis and Visualization: Skills in visualizing data, selecting appropriate chart types, and creating user-friendly, interactive dashboards. •Performance Optimization: Understanding of Qlik performance tuning, data model optimization, and dashboard load balancing. •Problem-Solving and Critical Thinking: Ability to analyze and troubleshoot data issues, application errors More ❯

and maintain data visualization solutions that transform raw data into actionable insights. Your work enables business stakeholders to make informed decisions through intuitive dashboards and reports that reflect key performance metrics. Key Responsibilities: Requirement Gathering: Collaborate with business and data teams to understand reporting needs and translate them into technical specifications. Data Integration & Modeling: Design efficient data models and … perform ETL from various sources to ensure data accuracy and performance. Dashboard Development: Build interactive, user-friendly dashboards and reports using Qlik Sense scripting and visualization tools. Performance Optimization: Enhance application performance through script optimization and efficient data modeling. Testing & QA: Conduct rigorous testing and support user acceptance to ensure data accuracy and functional alignment. Documentation & Training: Document … Qlik’s scripting language for custom data loading, transformation, and calculations. •Data Analysis and Visualization: Skills in visualizing data, selecting appropriate chart types, and creating user-friendly, interactive dashboards. •Performance Optimization: Understanding of Qlik performance tuning, data model optimization, and dashboard load balancing. •Problem-Solving and Critical Thinking: Ability to analyze and troubleshoot data issues, application errors More ❯

and maintain data visualization solutions that transform raw data into actionable insights. Your work enables business stakeholders to make informed decisions through intuitive dashboards and reports that reflect key performance metrics. Key Responsibilities: Requirement Gathering: Collaborate with business and data teams to understand reporting needs and translate them into technical specifications. Data Integration & Modeling: Design efficient data models and … perform ETL from various sources to ensure data accuracy and performance. Dashboard Development: Build interactive, user-friendly dashboards and reports using Qlik Sense scripting and visualization tools. Performance Optimization: Enhance application performance through script optimization and efficient data modeling. Testing & QA: Conduct rigorous testing and support user acceptance to ensure data accuracy and functional alignment. Documentation & Training: Document … Qlik’s scripting language for custom data loading, transformation, and calculations. •Data Analysis and Visualization: Skills in visualizing data, selecting appropriate chart types, and creating user-friendly, interactive dashboards. •Performance Optimization: Understanding of Qlik performance tuning, data model optimization, and dashboard load balancing. •Problem-Solving and Critical Thinking: Ability to analyze and troubleshoot data issues, application errors More ❯

and maintain data visualization solutions that transform raw data into actionable insights. Your work enables business stakeholders to make informed decisions through intuitive dashboards and reports that reflect key performance metrics. Key Responsibilities: Requirement Gathering: Collaborate with business and data teams to understand reporting needs and translate them into technical specifications. Data Integration & Modeling: Design efficient data models and … perform ETL from various sources to ensure data accuracy and performance. Dashboard Development: Build interactive, user-friendly dashboards and reports using Qlik Sense scripting and visualization tools. Performance Optimization: Enhance application performance through script optimization and efficient data modeling. Testing & QA: Conduct rigorous testing and support user acceptance to ensure data accuracy and functional alignment. Documentation & Training: Document … Qlik’s scripting language for custom data loading, transformation, and calculations. •Data Analysis and Visualization: Skills in visualizing data, selecting appropriate chart types, and creating user-friendly, interactive dashboards. •Performance Optimization: Understanding of Qlik performance tuning, data model optimization, and dashboard load balancing. •Problem-Solving and Critical Thinking: Ability to analyze and troubleshoot data issues, application errors More ❯

Job: Design, build, and maintain robust data systems and pipelines that support data storage, processing, and analysis on the Cloud. Work with large datasets, ensuring data quality, scalability, and performance, while collaborating. closely with data scientists, analysts, and other engineering teams to understand their data needs and provide them with high-quality, accessible data. They are responsible for ensuring … resource requirements are understood and planned/estimated effectively against demand, including identification of additional temporary resource capability within projects Maintain appropriate process procedures, compliance and service level monitoring, performance reporting and vendor management. Implementing best practices around data security, privacy, and compliance for the teams compliance with cyber security and data protection and supporting along with BI lead … in the area which provides the opportunity to reduce technical debt and rationalise our technical footprint Mentor data engineers, supporting their professional growth and development Outcome, Results and Key Performance Indicators: Delivery of projects to expected timely, cost and quality standards Excellent levels of application availability and resilience as required by business operations. Necessary governance and control requirements defined More ❯

SQL code for complex data processing and transformation tasks. Collaborate with data analysts, data scientists, and business stakeholders to understand data requirements and deliver high-quality solutions. Optimize Snowflake performance through query tuning, clustering, and resource management. Ensure data quality, integrity, and governance through testing, documentation, and monitoring. Participate in code reviews, architecture discussions, and continuous improvement initiatives. … Qualifications: 5+ years of experience in data engineering or a related field. Strong hands-on experience with DBT (modular SQL development, testing, documentation). Proficiency in Snowflake (data warehousing, performance tuning, security). Advanced knowledge of PL/SQL and experience with stored procedures, functions, and packages. Solid understanding of data modeling concepts (star/snowflake schemas, normalization More ❯

SQL code for complex data processing and transformation tasks. Collaborate with data analysts, data scientists, and business stakeholders to understand data requirements and deliver high-quality solutions. Optimize Snowflake performance through query tuning, clustering, and resource management. Ensure data quality, integrity, and governance through testing, documentation, and monitoring. Participate in code reviews, architecture discussions, and continuous improvement initiatives. … Qualifications: 5+ years of experience in data engineering or a related field. Strong hands-on experience with DBT (modular SQL development, testing, documentation). Proficiency in Snowflake (data warehousing, performance tuning, security). Advanced knowledge of PL/SQL and experience with stored procedures, functions, and packages. Solid understanding of data modeling concepts (star/snowflake schemas, normalization More ❯

SQL code for complex data processing and transformation tasks. Collaborate with data analysts, data scientists, and business stakeholders to understand data requirements and deliver high-quality solutions. Optimize Snowflake performance through query tuning, clustering, and resource management. Ensure data quality, integrity, and governance through testing, documentation, and monitoring. Participate in code reviews, architecture discussions, and continuous improvement initiatives. … Qualifications: 5+ years of experience in data engineering or a related field. Strong hands-on experience with DBT (modular SQL development, testing, documentation). Proficiency in Snowflake (data warehousing, performance tuning, security). Advanced knowledge of PL/SQL and experience with stored procedures, functions, and packages. Solid understanding of data modeling concepts (star/snowflake schemas, normalization More ❯

SQL code for complex data processing and transformation tasks. Collaborate with data analysts, data scientists, and business stakeholders to understand data requirements and deliver high-quality solutions. Optimize Snowflake performance through query tuning, clustering, and resource management. Ensure data quality, integrity, and governance through testing, documentation, and monitoring. Participate in code reviews, architecture discussions, and continuous improvement initiatives. … Qualifications: 5+ years of experience in data engineering or a related field. Strong hands-on experience with DBT (modular SQL development, testing, documentation). Proficiency in Snowflake (data warehousing, performance tuning, security). Advanced knowledge of PL/SQL and experience with stored procedures, functions, and packages. Solid understanding of data modeling concepts (star/snowflake schemas, normalization More ❯

SQL code for complex data processing and transformation tasks. Collaborate with data analysts, data scientists, and business stakeholders to understand data requirements and deliver high-quality solutions. Optimize Snowflake performance through query tuning, clustering, and resource management. Ensure data quality, integrity, and governance through testing, documentation, and monitoring. Participate in code reviews, architecture discussions, and continuous improvement initiatives. … Qualifications: 5+ years of experience in data engineering or a related field. Strong hands-on experience with DBT (modular SQL development, testing, documentation). Proficiency in Snowflake (data warehousing, performance tuning, security). Advanced knowledge of PL/SQL and experience with stored procedures, functions, and packages. Solid understanding of data modeling concepts (star/snowflake schemas, normalization More ❯

operations. What you’ll do Design & build: Develop and maintain backend services and microservices using Java. Collaborate broadly: Work with cross-functional teams to deliver scalable telecom solutions. Optimise performance: Integrate databases, APIs, and ensure efficiency across systems. Harden systems: Implement redundancy, security, and performance tuning for telecom operations. Problem-solve: Troubleshoot challenges in distributed systems and … architectures. Background in distributed systems, OOP, and networking fundamentals. Cloud environment experience (AWS, GCP, etc.), plus Docker/Kubernetes and CI/CD. Proven track record optimising apps for performance, memory, and scalability. SQL/NoSQL database experience, including deployment and integration. Knowledge of messaging systems (Kafka, RabbitMQ, Pub/Sub). Excellent communication and analytical skills. Nice to More ❯

services while driving innovation through automation and continuous improvement. What You'll Do Leadership & Team Management Lead, coach, and develop a high performing Database Administration team. Set clear priorities, performance metrics, and ensure on time, on budget delivery. Foster a culture of innovation, collaboration, and technical excellence. Database Strategy & Operations Oversee cloud native and hybrid database systems to meet … business goals. Direct cloud migration and optimisation strategies, ensuring efficiency and scalability. Manage licensing costs and database system budgets effectively. Performance, Security & Resilience Guarantee database availability, integrity, and compliance with internal and external standards Maintain robust backup, recovery, and disaster recovery plans. Ensure adherence to ISO27001 and internal governance frameworks. Automation & Infrastructure as Code Drive automation and CI/… multi discipline teams. Strong leadership, mentoring, and stakeholder management skills. Strategic thinker with a passion for innovation, automation, and data integrity. Expertise in relational and non relational databases, including performance tuning and optimisation. Solid understanding of database security, modelling, and recovery practices. Excellent problem solving and communication skills. Technical Environment Experience with some of the following would be More ❯

platform is an essential platform in the life of millions of University students across the globe. In this role, you will apply your Software Engineering experience to enhance system performance and reliability, as well as building internal systems and capabilities that eliminate manual work through automation. You'll be joining our Platforms teams with globally-dispersed Site Reliability and … maintain monitoring/alerting/logging systems to identify and respond to incidents Ensure scalability and efficiency of cloud infrastructure and systems to handle traffic and data growth Conduct performance tests to identify and remediate bottlenecks Develop and maintain platform solutions, automate infrastructure provisioning, configuration, and management tasks using Infrastructure as Code. Monitor, review and tune databases to ensure … high availability and performance Collaborate with product engineering teams to design/build fit-for-purpose and observable software Required Skills and Experience: Proven experience in a SRE/DevOps/Platform Engineering role and having previously worked with.Net, Azure and C# technologies. Proficiency in C# language – alongside knowledge of scripting languages like Bash, Python or PowerShell Production experience 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 … 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 Strong More ❯

and optimise performance. Collaborate with senior engineers to implement new features and fix bugs. Participate in code reviews and contribute to improving coding standards. Assist in troubleshooting, debugging, and performance tuning of applications. Document technical designs, processes, and solutions. Stay up to date with emerging tools, technologies, and best practices. Requirements: Degree in Computer Science, Software Engineering, or More ❯