1 to 25 of 84 Performance Tuning Jobs in London

Management: Design and maintain database systems, configure hardware, and optimize database performance. 6. Data Security and Integrity: Implement security protocols to protect data from unauthorized access or breaches. 7. Performance Tuning: Optimize database performance through indexing, query tuning, and efficient resource management. 8. Database Monitoring and Troubleshooting: Continuously monitor databases to identify and resolve issues before … RDS, Azure SQL). Data Modeling: Ability to design normalized, relational, and sometimes non-relational databases. Security Protocols: Knowledge of database encryption, access controls, and other security best practices. Performance Optimization: Experience in performance tuning techniques such as indexing, caching, and load balancing. Problem-Solving: Strong analytical skills for troubleshooting issues in database systems. Communication: Ability to … documentation to support the adoption and further development of Information systems. Experience of developing or designing solutions to deliver information content through Microsoft SharePoint. Experience of database administration and performance tuning at an enterprise level. Experience of Epic Cogito suite of tools including Caboodle, Clarity, Radar, Reporting Workbench, Data Gateway, and Slicer Dicer Skills Essential Ability to plan More ❯

scale? Join a high-performing engineering team building cloud-native platforms used by millions. This is your opportunity to shape infrastructure strategy, modernise legacy systems, and deliver resilient, high-performance solutions using cutting-edge Azure and .NET technologies. Your Mission As a Senior Infrastructure Engineer, you'll: Design and manage Azure infrastructure using Infrastructure as Code (ARM, Bicep, Terraform … Optimise .NET application stacks for performance, scalability, and reliability Implement observability tools to monitor and maintain system health Lead automation and CI/CD initiatives using Azure DevOps Drive cloud-native transformation , including migration from Windows VMs to Azure Web Apps, containers, and Kubernetes Own the Azure estate - from roadmap planning to hands-on delivery This role is ideal … building platforms from the ground up or leading major cloud migrations. What You Bring 5+ years of hands-on experience with Azure infrastructure Strong knowledge of .NET architecture and performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (e.g. New Relic, AppDynamics) Deep understanding of profiling, benchmarking, and optimisation Bonus Skills: Infrastructure as More ❯

operations. Drive operational excellence through proactive monitoring, capacity planning, incident response, and service reliability engineering (SRE). Automate and optimize infrastructure using Infrastructure-as-Code (IaC), cost governance, and performance tuning to achieve efficiency and scalability. Lead and collaborate — building a high-performing infrastructure and DevOps team while partnering with security, compliance, and engineering functions to ensure resilience … orchestration of cloud-native workloads. Solid experience with monitoring, logging, and observability tools (Prometheus, Grafana, Stackdriver) to ensure reliability and performance. Experience managing cloud cost governance, capacity planning, and performance tuning for efficiency and scalability. Strong grounding in ISO 27001, SAMA Cybersecurity Framework, and other regulatory requirements. Proven ability in incident management, root cause analysis, post-mortems, and More ❯

modern Azure estate, drive cloud-native transformation, and shape the future of infrastructure for a high-impact engineering team. Join a tech-forward company where your decisions directly influence performance, reliability, and innovation across platforms used by millions. You'll be at the heart of a mission to modernise legacy systems, accelerate delivery, and empower developers with world-class … What You'll Be Doing As a Senior Infrastructure Engineer , you'll: Architect and manage Azure infrastructure using Infrastructure as Code (ARM, Bicep, Terraform) Optimise .NET application stacks for performance, scalability, and resilience Implement observability and monitoring tools to ensure system health and uptime Lead CI/CD automation using Azure DevOps and Git workflows Drive cloud-native transformation … has led major cloud migrations or built platforms from scratch. What You'll Bring 5+ years of hands-on experience with Azure infrastructure Strong understanding of .NET architecture and performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (e.g. New Relic, AppDynamics) Deep knowledge of profiling, benchmarking, and optimisation Bonus Skills: Infrastructure as More ❯

hands-on engineer with proven experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close to the technology, solving issues … Needed At least 1 year of hands-on experience configuring, administering, and troubleshooting Solace PubSub+ Strong understanding of event-driven and messaging principles Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns Ability to analyse issues across application, network, and infrastructure layers Clear communication skills and the ability to collaborate across engineering teams Useful Extras More ❯

hands-on engineer with proven experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close to the technology, solving issues … Needed • At least 1 year of hands-on experience configuring, administering, and troubleshooting Solace PubSub+• Strong understanding of event-driven and messaging principles• Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns• Ability to analyse issues across application, network, and infrastructure layers• Clear communication skills and the ability to collaborate across engineering teams Useful Extras More ❯

Senior Software Engineer London, UK £140,000 basic plus bonus We’re looking for a Senior Software Engineer to take ownership of optimising large-scale, high-performance systems used by demanding clients worldwide. You’ll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software runs with maximum speed, minimal memory usage … dive deep into complex systems, identify bottlenecks, and implement improvements that make a measurable difference for clients. What you’ll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems Working with Product, Engineering, and Clients to understand and meet performance targets … Creating and maintaining automated performance and load testing frameworks Mentoring engineers on writing efficient, scalable, and maintainable code Contributing to architectural decisions that directly impact performance and reliability What we’re looking for Senior level experience in software engineering with strong experience in Python, Java, or C# Proven track record of performance tuning in large-scale More ❯

you will play a key role in supporting our extensive portfolio of over 800 Oracle databases, primarily focusing on Oracle 19c. You will be responsible for ensuring the reliability, performance, and security of our database environments, which include complex configurations such as RAC/ASM, Exadata, Dataguard, and RMAN. Key Responsibilities: Support and maintain Oracle 19c databases with a … and upgrades of Oracle RAC Clusters and associated application tools. Create, modify, and patch various database products as needed. Execute Oracle RMAN backup and recovery procedures effectively. Optimize database performance through tuning and monitoring. Configure and operate Oracle GoldenGate microservices. Provide support for Oracle Exadata and Oracle DataGuard environments. Utilize OEM 13c, Oracle OID, Foglight, and Autosys for … database management. Conduct SQL and PL/SQL programming for database operations. Oversee database auditing, security, and performance tuning. Troubleshoot and resolve database-related issues proactively. Skills & Experience: Proven experience as an Oracle DBA, particularly with Oracle 19c, in a complex environment. Strong understanding of RAC/ASM, Exadata, Dataguard, and RMAN. Hands-on experience with Oracle GoldenGate configuration More ❯

scalable data pipelines for batch and streaming workloads Develop and manage dataflows, and semantic models to support specific analytics related business requirements Implement complex transformations, aggregations, and joins ensuring performance, and reliability Implement and apply robust data validations, cleansing, and profiling techniques to ensure data accuracy and consistency across datasets Implement role-based access, data masking, and compliance protocols … Performance tune and optimise jobs and workloads to reduce latency Work collaboratively with analysts and business stakeholders to translate requirements into technical solutions Create, maintain, and update documentation and internal knowledge repository Essential skills/knowledge/experience: Experience of programming under Microsoft Azure Cloud Platform Experience of programming under Microsoft Fabric Platform Have knowledge of Spark Programming Ability … prepare and process datasets for Power BI usage Experience with OneLake, Azure Data Lake, and distributed computing environments Understanding of financial regulations such as GDPR, SOX etc. Spark application performance tuning Knowledge of Docker/Kubernetes More ❯

a team of 4. Ideally you will have indepth knowledge of the Temenos Transact (T24) data structure and the ability to develop and administer Microsoft SQL Server administration , and performance tuning, with a strong ability to work independently and translate business requirements into robust data solutions. Key Responsibilities Design, develop, and maintain SQL Server databases, stored procedures, views … triggers, and functions. Gather, analyse, and interpret user requirements to design and deliver effective database solutions with minimal supervision. Administer, monitor, and optimise SQL Server environments, ensuring availability, performance, and security. Implement and manage database backup, recovery, and disaster recovery strategies. Support application teams in integrating and accessing data efficiently. Troubleshoot and resolve database issues, including performance bottlenecks … Transact (T24) data structures and core banking systems. Experience in SQL Server development and administration (SQL Server 2016 or later). Strong proficiency in T-SQL, database design, and performance tuning. Proven experience in database administration, including security management, backup/recovery, and maintenance planning. Ability to independently gather and analyse requirements and translate them into technical database solutions. More ❯

scalable, and perform optimally Monitor and manage these aspects while taking responsibility for multiple cloud infrastructure services Observing systems will be key to prioritising the operational service improvements and performance improvements to meet/exceed SLOs (Service Level Objectives) The role will be responsible to the Principal Specialist Engineer SRE and is part of the High Performance Computing …/AI) & research computing unit whose remit is to: Architect, develop & manage multi-cloud HPC platforms and on-premise infrastructure Ensure services are highly available, scalable and resilient Managing performance, capability and capacity planning Support UKHSA's AI requirements This role attracts a Market Pay Supplement of up to £5,000. Main duties of the job Ensure services are … respond to issues. Leverage automation to streamline tasks, reduce overhead on repeatable operations, reduce manual intervention and improve efficiency. Write code that is maintainable, clear, and concise. Optimise system performance using strong problem-solving skills to identify bottlenecks with an engineering mindset. Ensure systems can handle current and future workloads through automation and capacity planning. Continuously improve services through More ❯

components. Key Responsibilities Design, build and optimise Spark-based data pipelines for batch and streaming workloads Develop Fabric dataflows, pipelines, and semantic models Implement complex transformations, joins, aggregations and performance tuning Build and optimise Delta Lake/delta tables Develop secure data solutions including role-based access, data masking and compliance controls Implement data validation, cleansing, profiling and … documentation Work closely with analysts and stakeholders to translate requirements into scalable technical solutions Troubleshoot and improve reliability, latency and workload performance Essential Skills Strong hands-on experience with PySpark, Spark SQL, Spark Streaming, DataFrames Microsoft Fabric (Fabric Spark jobs, dataflows, pipelines, semantic models) Azure: ADLS, cloud data engineering, notebooks Python programming; Java exposure beneficial Delta Lake/Delta More ❯

Dashboard Development: Design and build interactive Tableau dashboards and reports to provide actionable insights for stakeholders. Data Engineering: Develop and maintain robust data pipelines, ensuring data integrity, scalability, and performance across multiple sources. Data Integration: Work with structured and unstructured data from various internal and external systems, applying ETL best practices. Collaboration: Partner with analysts, data scientists, and business … teams to understand requirements and deliver high-quality solutions. Performance Optimisation: Monitor and tune Tableau Server performance, ensuring efficient query execution and user experience. Governance & Security: Implement data governance standards and ensure compliance with Home Office security protocols. Essential Skills & Experience Proven experience in Tableau development (Desktop and Server) with strong visualisation and storytelling skills. Solid background in … SQL and experience with relational databases (e.g., Oracle, PostgreSQL, SQL Server). Familiarity with cloud platforms (AWS, Azure, or GCP) and data warehousing solutions. Strong understanding of data modelling, performance tuning, and best practices. Excellent communication skills and ability to work in a fast-paced, collaborative environment. Reasonable Adjustments: Respect and equality are core values to us. We More ❯

great benefits package! Join a leading financial services team as a skilled SQL Server Developer/Database Administrator . You’ll design, develop, and optimise SQL Server databases, ensuring performance, reliability, and security. Requirements: 5+ years’ SQL Server development & admin (2016+) Strong T-SQL, performance tuning, SSIS/SSRS/Power BI Excellent problem-solving & communication skills More ❯

strong focus on Athena and S3-based data lakes. Key responsibilities: Develop and maintain SQL queries in AWS Athena for large-scale datasets Optimise data retrieval and ensure efficient performance across AWS environments Collaborate with stakeholders to translate business requirements into actionable insights Work with AWS services such as Glue, Lambda, and S3 for ETL and data processing Ensure … data security and governance standards Essential skills: Strong proficiency in SQL and AWS Athena Hands-on experience with AWS data services (Glue, S3, Lambda) Knowledge of data modelling and performance tuning Excellent analytical and problem-solving skills Ability to work within secure government environments Desirable: Experience with Python for data manipulation Familiarity with BI tools and reporting frameworks More ❯

with OWASP Top 10 and security standards. Support Provide 2nd and 3rd line support across Dynamics CRM applications. Manage incidents, service requests, and changes following ITIL processes. Monitor CRM performance and proactively resolve operational issues Skills & Experience Required Essential Proven technical expertise in Dynamics 365 CE configuration and customisation. Hands-on with Power Platform including Power Apps, Power Automate … SCRUM and OWASP principles. Excellent stakeholder management, communication, and problem-solving skills. Desirable Exposure to Copilot and AI-driven tools . ITIL certification or experience working in ITIL environments. Performance tuning and data migration expertise. *Rates depend on experience and client requirements More ❯

using Docker and Kubernetes Hands-on 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 Designing and implementing More ❯

using Docker and Kubernetes Hands-on 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 Designing and implementing More ❯

Experience building microservices and REST/gRPC APIs; solid understanding of messaging (Kafka/RabbitMQ) and event-driven patterns. SQL expertise (SQL Server/PostgreSQL); comfort with schema design, performance tuning, and data reconciliation. Practical knowledge of cloud (Azure/AWS) , containers (Docker/Kubernetes), and CI/CD (GitHub Actions/Azure DevOps). A product mindset More ❯

are laser-focused on increasing the number of active clients we serve to drive sustainable growth. Your team The SRE Team comprises highly skilled software engineers dedicated to embedding performance and reliability into IG's trading platform. You'll work with cutting-edge distributed systems handling high-throughput, low-latency trading operations that demand zero downtime. As a Senior … Reliability Engineer, you'll champion reliability patterns, performance optimisation, and operational excellence across our trading platform infrastructure. Your role in the Team's Success As an SRE engineer, you'll balance your passion for both software development and reliability engineering, applying engineering discipline to solve operational challenges at scale. You'll collaborate closely with development teams as a trusted … influencing system design, establishing reliability standards, and driving quality improvements across the platform. Your role dynamically shifts between hands-on coding—building tools, automation, and infrastructure—and incident response, performance optimisation, and operational excellence. What you'll do System Reliability & Performance Implement comprehensive monitoring and observability using OpenTelemetry standards Identify single points of failure in distributed systems Analyse More ❯

areas of engineering Work with stakeholders to design hybrid-cloud systems - we use AWS and also co-locate Payment HSMs in physical data centres around the world Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness Respond promptly in-hours to technical incidents Embrace automation and be reluctant for manual implementation Implement security best practices ensuring … concepts of RESTful APIs and web technologies such as API gateways Excellent communication and problem-solving skills Desirably you will have: Understanding of database monitoring, analysis, disaster recovery and performance tuning Knowledge of security and compliance frameworks like ISO270001, SOC2 and PCI-DSS Understanding of networking and routing concepts (TCP/IP, VLANs, VPNs, BGP, etc) and preferably More ❯

modelling. Integrate data from multiple sources, ensuring accuracy, consistency, and performance. Collaborate with stakeholders to understand requirements and deliver actionable insights. Apply best practices for data governance , security, and performance tuning. Required Skills Proven experience as an Azure Data Engineer in enterprise environments. Strong hands-on expertise with Azure Data Factory , Databricks , Synapse , and Azure Data Lake . Proficiency More ❯

modelling. Integrate data from multiple sources, ensuring accuracy, consistency, and performance. Collaborate with stakeholders to understand requirements and deliver actionable insights. Apply best practices for data governance , security, and performance tuning. Required Skills Proven experience as an Azure Data Engineer in enterprise environments. Strong hands-on expertise with Azure Data Factory , Databricks , Synapse , and Azure Data Lake . Proficiency More ❯

to define and deliver solutions. • Innovation: Stay updated on emerging Java technologies, propose new solutions, and contribute to innovation initiatives. • Troubleshooting: Analyze logs, resolve complex technical issues, and perform performance tuning. • Documentation: Write technical specifications and other documentation for new and existing applications. Qualifications: • Education: Bachelor's degree in Computer Science, Engineering, or a related field. • Experience: Proven extensive More ❯

daily by traders and middle office teams. These systems handle complex financial instruments, from bonds and repos to interest rate swaps and exotic portfolios, with a strong focus on performance, reliability, and traceability. Key Responsibilities: Design, develop, test, and deploy high-quality software using Java and related technologies Conduct code reviews, ensuring clean, maintainable, and efficient code Mentor junior … developers and promote technical excellence within the team Analyse and resolve performance, scalability, and concurrency issues Contribute to Agile/Scrum processes, including sprint planning and retrospectives Maintain clear and comprehensive technical documentation Key Requirements: Strong expertise in Core Java, including multi-threading and concurrency demonstrating self-sufficiency Proven experience in low-latency systems, performance tuning, and … network programming Familiarity with high-performance messaging systems Proficiency with profiling, benchmarking, and memory analysis tools Working knowledge of Linux/Bash scripting and at least one other language (e.g. Python or C#) Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates More ❯