1 to 25 of 68 Performance Tuning Jobs in the South East

experienced Senior Administrator specialising in Unix/Linux environments and database management within the financial services sector. This role is critical to the stability, performance, and scalability of a recently implemented core banking platform (live since October). The successful candidate will be expected to hit the ground running … enterprise databases (including SQL Server and Oracle environments) supporting core financial applications Manage and support clustered database environments, including Oracle RAC Ensure high availability, performance tuning, and data integrity across all database platforms Application & Web Layer Support Support and manage front-end application environments, with experience in Flexcube ...

data-driven workflows is advantageous Key Responsibilities Design, develop, and maintain full stack applications using React JS , C#.NET Core , and supporting technologies. Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. Develop responsive, modular, and accessible UI components using React … driven and distributed system designs using technologies such as Kafka, Event Hub, or similar. Drive engineering best practices: code reviews, unit/integration testing, performance tuning, documentation, security scanning Contribute to cloud migration and modernization initiatives, especially in Azure or AWS environments. Mentor junior developers and collaborate within ...

database clusters. Plan and execute robust backup and recovery strategies, including point-in-time recovery, cross-region DR, and business continuity solutions. Perform database performance tuning by analysing execution plans, identifying bottlenecks, optimizing queries, indexes, and stored procedures, and improving I/O efficiency. Lead capacity planning … Server in enterprise environments. Exposure to modern and distributed databases such as SingleStore, Netezza, and YugabyteDB. Solid experience in HA/DR architecture, performance tuning, security, and capacity planning. Hands-on experience with AWS and/or GCP managed database services. Strong automation and scripting skills using Python ...

move toward predictive analytics and ML Ops workflows. Role The Data Engineer will own and assess the Snowflake platform, proposing and executing optimisation around performance, cost, scalability, and architecture improvements. Lead DBT development and maintenance, with emphasis on test frameworks, transformation efficiency, and eliminating redundant or resource-heavy flows … maintain CI/CD pipelines to automate reliable deployment of data transformations. Provide deep insight into Snowflake infrastructure, including cost and pricing models, performance tuning, and resource governance. Support ML Ops/predictive analytics operationalisation - managing updates, performance monitoring, and change rollout rather than building models from ...

support, stability, and availability of Oracle databases. Key Responsibilities: Day-to-day administration of Oracle databases (11g/12c/19c) Database monitoring, performance tuning, and issue resolution Backup, restore, and recovery using RMAN Managing database security, users, roles, and access controls Supporting patching, upgrades, and routine maintenance … requests Essential Skills & Experience: Strong hands-on experience as an Oracle DBA Oracle Database administration (11g/12c/19c) Backup and recovery (RMAN) Performance tuning and troubleshooting Linux/Unix environments Experience working in secure or regulated environments Security Requirements: ACTIVE DV clearance (must be current ...

support, stability, and availability of Oracle databases. Key Responsibilities: Day-to-day administration of Oracle databases (11g/12c/19c) Database monitoring, performance tuning, and issue resolution Backup, restore, and recovery using RMAN Managing database security, users, roles, and access controls Supporting patching, upgrades, and routine maintenance … requests Essential Skills & Experience: Strong hands-on experience as an Oracle DBA Oracle Database administration (11g/12c/19c) Backup and recovery (RMAN) Performance tuning and troubleshooting Linux/Unix environments Experience working in secure or regulated environments Security Requirements: ACTIVE DV clearance (must be current ...

support, stability, and availability of Oracle databases.Key Responsibilities:Day-to-day administration of Oracle databases (11g/12c/19c)Database monitoring, performance tuning, and issue resolutionBackup, restore, and recovery using RMANManaging database security, users, roles, and access controlsSupporting patching, upgrades, and routine maintenanceWorking within secure, regulated environments … service requestsEssential Skills & Experience:Strong hands-on experience as an Oracle DBAOracle Database administration (11g/12c/19c)Backup and recovery (RMAN)Performance tuning and troubleshootingLinux/Unix environmentsExperience working in secure or regulated environmentsSecurity Requirements:ACTIVE DV clearance (must be current and transferable)UK national with ...

focus on Oracle environments, Linux/AIX administration, and core banking systems. The successful candidate will play a key role in ensuring the stability, performance, security and scalability of critical platforms within a highly regulated environment. The role Administer and optimise Oracle databases within critical banking platforms Manage … maintain Linux (RHEL/Oracle Linux) and AIX environments Perform upgrades, patching, tuning and performance optimisation across infrastructure and database layers Support backup, recovery and disaster recovery processes using RMAN and Data Guard Work closely with application and infrastructure teams to troubleshoot production issues Automate routine administration tasks ...

e.g. Celery, Redis Streams, Kafka) to enable scalable async workloads, retries, and fault-tolerant integrations. Design data models and optimise relational databases (PostgreSQL) for performance, partitioning, and horizontal scale. Introduce caching, rate limiting, and queuing to meet performance budgets and latency goals. Integrate with AI pipelines and model … Foundry-based application development. Proven experience designing and operating production REST APIs with OpenAPI/Swagger. Deep understanding of relational database design, indexing, performance tuning, and migrations (PostgreSQL). Proficiency with containerisation (Docker) and Git-based workflows. Experience with API versioning, security, documentation strategies, and automated testing. Strong ...

environments. Key Responsibilities Install, configure, patch, upgrade, and maintain Oracle Database environments Manage backup and recovery using RMAN, including disaster recovery processes Monitor database performance and deliver tuning and optimisation activities Administer users, roles, privileges, auditing, and database security controls Support high availability solutions including Oracle …/SQL Solid experience with Linux/Unix operating systems Hands-on experience with Oracle RAC and ASM Strong background in performance tuning and optimisation Experience with database security hardening and auditing Exposure to scripting/automation (e.g. Shell, Bash, Python) Desirable Experience Supporting large-scale, high availability ...

London, UK (Hybrid) Job Type: Contract - Inside IR35 Role Overview We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high-performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close … promoting best practices across the team. Key Responsibilities Design, develop, and maintain kdb+ tick systems, with strong understanding of data organisation, schema design, and performance implications of different architectural approaches. Build and operate solutions handling large-scale, high-frequency datasets, ensuring low latency, high throughput, and efficient memory usage. ...

Join a forward-thinking technology business delivering secure, high-performance solutions into Defence and National Security. As a Senior Site Reliability Engineer, you’ll play a key role in building resilient platforms that keep critical systems running smoothly. Role Overview: Location: Hampshire (Hybrid) Package: Competitive salary + bonus … management systems Embedding automation and DevOps best practices across environments Collaborating with engineers, developers, and stakeholders to deliver robust solutions Driving platform optimisation, performance tuning, and system reliability Carrying out security assessments, vulnerability checks, and system hardening Building and maintaining automation tooling using modern frameworks Troubleshooting complex issues ...

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 … 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 ...

workflows. Develop and consume REST APIs, Web Services, and OGC standards (WMS/WFS/KML/GML). Support testing, troubleshooting, and performance tuning of GIS applications. Required Skills Strong experience with ArcGIS Enterprise 11.5 (Portal, Server, Data Store). Knowledge of cloud platforms (AWS, Azure ...

modelling, and system integration. Advanced SQL skills and experience building and maintaining ETL pipelines. Advanced Power BI expertise, including DAX, dataflows, model optimisation, and performance tuning. Proven experience extracting and working with data from Azure, Salesforce, and ITSM platforms. Strong understanding of service delivery and operational metrics (SLAs, KPIs ...

build, and optimise database solutions that power business-critical systems. Develop and maintain high-quality T-SQL (procedures, views, functions, indexes) Diagnose and fix performance issues using execution plans and query tuning Optimise transactional systems, reporting, and integrations Support structured database changes across Dev, Test, and Production Work … with release/CI processes to deliver safe, reliable deployments Troubleshoot complex data and performance issues Help improve database standards and practices Essential: 5+ years' SQL Server development experience Strong T-SQL and performance tuning skills Solid database design knowledge Experience managing changes across environments Strong problem ...

reviews, ensuring alignment with enterprise architecture standards. Provide technical leadership and mentorship to development teams, fostering a culture of innovation and continuous improvement. Conduct performance tuning, optimization, and troubleshooting of applications. Stay current with industry trends and emerging technologies to ensure the application architecture remains relevant and competitive. ...

role in designing, building, and improving database solutions that underpin our business-critical applications and integrations. The role is focused on database development and performance, working closely with application and integration teams in a collaborative environment. This role is primarily development focused (database code, schema, data design, performance … Developer - Key Responsibilities: - Design, develop and maintain high-quality T-SQL including stored procedures, views, functions, tables, and indexes - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies, and query refactoring - Optimise high-volume transactional queries, reporting workloads, and data integration jobs - Design and support scalable ...

Docker, Kubernetes, and CI/CD . Responsible AI: Ensure our systems are trustworthy by implementing quantifiable metrics for bias detection, explainability, and privacy. Performance Tuning: Optimize data workflows for maximum scalability and cost-efficiency. Insurance Domain experience is added advantage. Your Technical Toolkit AI/ML: Expert ...

support growth. 3. Analytical and Judgement Skills Technical Problem Solving : Act as escalation point for complex issues, using analytical skills to interpret logs and performance data. Risk Assessment : Identify and mitigate risks including security vulnerabilities and hardware failures. Decision-Making : Make informed decisions on upgrades and expansions, balancing technical …/software. Budget Management : Monitor budgets and identify cost-saving opportunities. 6. Service Development and Implementation Service Improvement : Continuously assess infrastructure for enhancements in performance and reliability. Business Requirements Translation : Convert clinical and administrative needs into technical deliverables. System Enhancements : Lead performance tuning and feature upgrades, ensuring ...

Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (on-prem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor performance, availability, capacity and reliability. Oversee site collections, permissions, authentication, service applications and governance. Support backup, restore and disaster recovery processes. Troubleshoot complex cloud … React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint on-prem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server skills. Understanding of authentication, permissions, governance and security ...

productivity Establish engineering excellence across teams: Champion high engineering standards including clean architecture, CI/CD automation, observability, testing strategies, release processes, telemetry, performance tuning, and secure-by-design principles Lead platform performance, reliability & offline capability: Ensure the environment performs reliably in challenging field conditions (such … poor signal or offline mode), with focus on failover behaviours, caching, performance profiling, and user trust Influence and steward Security, SRE, Quality and Platform-wide capabilities: Shape quality, resilience, and security strategies across teams-ensuring teams adopt shift-left testing, strong security hygiene, consistent observability, and reliable operational processes ...

across Microsoft SQL Server environments, with additional exposure to PostgreSQL and MySQL. Day to day, you'll handle installation, configuration, patching and maintenance, plus performance tuning, monitoring, and health checks. You'll own backup and recovery processes, high-availability solutions, and troubleshooting of complex database issues. … also support developers with database design, schema improvements and optimised SQL. The role involves improving performance through indexing strategies, query optimisation and capacity planning, as well as maintaining strong security controls such as encryption, auditing and role-based access. You'll contribute to data migrations, integrations, and automation using ...

productivity. 5. Establish engineering excellence across teams Champion high engineering standards: clean architecture, CI/CD automation, observability, testing strategies, release processes, telemetry, performance tuning and secure-by-design principles. 6. Lead platform performance, reliability & offline capability Ensure the mobile environment performs reliably in challenging field conditions … poor signal, offline mode), with focus on failover behaviours, caching, performance profiling and user trust. 7. Influence and steward Security, SRE, Quality and Platform wide capabilities Shape quality, resilience, and security strategies across teams-ensuring teams adopt shift left testing, strong security hygiene, consistent observability, and reliable operational processes. ...

cloud-agnostic, AI-ready future Assurance & Excellence: Embed rigorous validation, profiling, reconciliation, and automated testing into all engineering work; lead monitoring, observability, and performance optimisation to ensure resilient, reliable data products. Strategic Influence: Partner with architects, product leaders, and senior stakeholders to shape roadmaps and platform direction. Work collaboratively … 8+ knowledge, and CI/CD experience (ideally with Jenkins). Advanced SQL: Master-level proficiency in SQL (ideally BigQuery ), with strong optimisation and performance-tuning skills. Experience following coding standards and performing peer code reviews. Data Modelling & Insight: Strong capability in designing intuitive, scalable data models ...