1 to 25 of 56 Performance Tuning Jobs in the South East

leading Data & AI Regulatory Risk provider on a mission to optimise and stabilise their MS SQL platform. We're looking for technically strong SQL DBAs with a passion for performance tuning and system reliability. What You'll Do: Review and enhance existing database architecture Optimise performance and stability to meet scale forecasts Identify improvement opportunities across on … prem and Azure SQL environments Apply your expertise to performance tuning, availability, and configuration You'll Bring: Proven experience as an MS SQL DBA (On-Prem and Azure) Deep knowledge of SQL performance management and tuning Strong grounding in configuration and availability best practices Additional Info: Basic clearance checks required If you're an experienced SQL More ❯

where you will help shape and support the systems that power our data-driven solutions. You'll work across physical and virtual environments, contributing to the reliability, scalability, and performance of our infrastructure, both on-premises and in the cloud. This is an exciting opportunity to be part of a collaborative and forward thinking team, where innovation and operational … excellence are key. Key Responsibilities Infrastructure Management Design, implement, and maintain scalable infrastructure across physical datacenters and cloud environments. Optimise resource utilisation, performance, and cost efficiency across virtual and physical systems. Lead VMware infrastructure operations including provisioning, performance tuning, snapshot management, and lifecycle maintenance across ESXi hosts and vCenter environments. Ensure effective VMware resource allocation and cluster … high availability and fault tolerance. Drive data center organisation and restructuring initiatives, including rack layout optimisation, cable management, hardware lifecycle planning, and environmental monitoring. Participate in capacity planning and performance tuning to support business growth and infrastructure scalability. Reliability & Monitoring Ensure high availability, security, and observability of systems through best practices in reliability and recoverability. Develop and maintain 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 ❯

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 ❯

best practices. Produce full technical documentation and user handover materials. Skills & Experience Proven experience designing SQL-based data models and warehouses . Strong SQL development , ETL/ELT , and performance tuning skills. Data integration expertise with Salesforce , NetSuite , and HR systems (API/ETL). Advanced Power BI (Power Query M, DAX) Proven experience designing SQL-based data … models and warehouses Strong SQL development , ETL/ELT , and performance tuning skills. Understanding of SaaS metrics (ARR, MRR, churn, NRR, CAC, revenue recognition). Excellent documentation, communication, and stakeholder engagement skills. Outcomes (3 Months) Operational Finance Data Cube integrating all core data sources. Automated Power BI dashboards for executive reporting. Documented, repeatable integration and refresh processes . More ❯

performing engineering team driving the evolution of cloud-native platforms used by millions. This is your chance to architect, optimise, and scale infrastructure that powers real-world impact - from performance-critical applications to enterprise-grade systems. You'll be at the forefront of infrastructure strategy, working with cutting-edge Azure technologies and .NET stacks to deliver speed, reliability, and … resilience across the platform. What You'll Be Doing: Architect and manage Azure infrastructure using IaC tools (ARM, Bicep, Terraform) Optimise .NET application stacks for performance and scalability Implement observability and monitoring tools to ensure system health Troubleshoot production environments and drive continuous improvement Lead automation initiatives and contribute to platform growth strategy What You Bring: 5+ years of … hands-on Azure infrastructure experience Deep understanding of .NET architecture and performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Strong skills in profiling, benchmarking, and optimisation Experience with APM tools (e.g. New Relic, AppDynamics) Bonus Points For: Infrastructure as Code (ARM, Bicep, Terraform) Cloud networking (VNets, firewalls, load balancers) SQL Server performance tuning Experience More ❯

We are seeking a skilled SQL Database Administrator (DBA) to join our client’s team, responsible for optimising performance, improving system efficiencies, and ensuring the stability of SQL Server databases. You will play a key role in database design, data restructuring, and managing SQL backups while ensuring compliance with data protection and GDPR policies. Their SQL database processes vast … quantities of data daily, including real-time customer quotations, making this a dynamic and impactful role. Key Responsibilities for the SQL DBA: Performance tuning and optimisation of SQL Server databases. Enhancing system efficiencies to improve reliability and speed. Designing and restructuring databases to meet business needs. Managing SQL backups, disaster recovery, and high-availability solutions. Implementing data retention … Collaborating with development teams to improve database design and performance. Skills & Experience Required for the SQL DBA: Strong experience with SQL Server, including SSRS and SSIS. Expertise in database performance tuning, troubleshooting, and optimisation. Knowledge of data security, GDPR compliance, and retention policies. Ability to manage high-volume, real-time data processing. Experience with PostgreSQL (desirable). A More ❯

and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies. You’ll work closely with cross-functional teams including data architects, compliance officers, and cybersecurity specialists to integrate data from various systems … data pipeline design in regulated environments. Responsibilities: Design, develop, and maintain robust and secure data pipelines using NiFi and related big data technologies. Troubleshoot and optimize NiFi flows, including performance tuning, error resolution, and flow control. Integrate NiFi with cloud platforms, databases (SQL & NoSQL), APIs, and third-party systems. Ensure compliance with regulatory and security requirements across data … storage, transfer, and access layers. Support data migration efforts and implement disaster recovery protocols. Continuously monitor data infrastructure performance and recommend improvements. Collaborate with cross-functional teams to align data platform capabilities with business needs and compliance requirements. Maintain documentation of data flows and processes, ensuring knowledge sharing and operational transparency. Skills & Experience: You will have the following skills 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 ❯

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 ❯

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 ❯

programme, working on high-impact projects that enable data-driven decision-making. Responsibilities for the Senior Data Engineer: Design, build, and maintain scalable data pipelines and architectures, ensuring reliability, performance, and best-in-class engineering standards Leverage Databricks, Spark, and modern cloud platforms (Azure/AWS) to deliver clean, high-quality data for analytics and operational insights Lead by … improve existing systems, introducing new technologies and methodologies that enhance efficiency, scalability, and cost optimisation Essential Skills for the Senior Data Engineer: Proficient with Databricks and Apache Spark, including performance tuning and advanced concepts such as Delta Lake and streaming Strong programming skills in Python with experience in software engineering principles, version control, unit testing and CI/ More ❯

to translate business requirements into technical specifications . Integrate IFS with other enterprise systems using SOAP/REST APIs , Aurena , or IFS Connect . Perform system upgrades, patching, and performance tuning . Develop and maintain Crystal Reports , Quick Reports , and Lobby elements . Provide technical support and troubleshooting for IFS-related issues. Participate in data migration and system 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 ❯

relevant languages such as Python, JavaScript, or TypeScript. System Design: Ability to design and implement scalable software systems. Familiarity with distributed system patterns and architectural trade-offs. Experience with performance tuning and troubleshooting in complex environments. Data Systems Knowledge: Exposure to working in data-centric environments, supporting ETL/ELT pipelines or data processing services. Familiarity with SQL More ❯

efficient and convenient. Are you adaptable, flexible and pragmatic with a DevOps mindset ? Are you able to apply good engineering processes to deliver software products of high quality and performance, even with occasionally ambiguous requirements? Our ideal candidate will be a lifelong learner who enjoys solving technical problems, is curious about new technologies, and loves sharing knowledge and experience … and emerging technologies to assist in the future roadmap of our products. As a team, we are responsible for the health of the systems we build. You should understand performance tuning and optimisation, and how to diagnose technical issues across local, pre-release and production environments running on AWS. We operate a DevOps culture and are responsible for … languages in particular Go Proving technical leadership and direction to your team and contributing to the wider engineering organisation. Deep technical understanding of MySQL and relational databases, particularly database performance tuning. Knowledge of best practises around Modern Software Engineering, CI/CD, DORA metrics. Experience of troubleshooting and fixing performance issues in a full-stack application; from browser More ❯

Type: Permanent About the Role: Our employer-partner is seeking a Senior Software Engineer with deep experience in Rust and/or C++ to design and build high-performance, distributed, and mission-critical systems. You will play a key role in shaping next-generation telecom and real-time communication platforms used in high-availability environments. Key Responsibilities: Architect scalable … systems-level components using Rust, C++, C, or Java . Design and implement APIs and real-time communication protocols (SIP, VoIP, 5G, RTC). Improve platform reliability, stability, and performance (99.99%+ uptime environments). Lead performance tuning, fault-tolerance engineering, and high-availability architecture reviews. Implement CI/CD workflows, containerisation, and systems monitoring (Docker, Kubernetes … SIP, real-time protocols, or distributed systems. Experience with Linux/Unix , Docker , Kubernetes , and CI/CD pipelines. Proven ability to design scalable back-end services and high-performance applications. Exposure to 5G, edge computing, or real-time data transmission is a strong plus. Why Apply? Work on mission-critical, high-availability systems at scale. Join a forward More ❯

DBT Cloud expertise, including models, macros, tests, documentation, and CI/CD integration. Hands-on experience developing and optimising in Snowflake Cloud Data Warehouse (schemas, warehouses, security, time travel, performance tuning). Familiarity with Snowflake cost monitoring, governance, replication , and environment management. Strong understanding of data modelling (star/snowflake schemas, SCDs, lineage). Proven Azure experience (Data More ❯

at Working level: Advanced SQL proficiency : expertise in writing complex, highly-performant SQL queries, including common table expressions (CTEs), window functions, and complex joins. Experience with query optimization and performance tuning on relational databases like PostgreSQL, MySQL, or similar Cloud data ecosystem (AWS) : hands-on experience with core AWS data services. Key services include: S3 for data lake 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 ❯

SAP and Private Cloud environments. The ideal candidate will be responsible for the administration, migration, and optimization of SAP systems hosted on SAP Private Cloud (RISE), ensuring high availability, performance, and security. This role involves working closely with SAP, infrastructure teams, and business stakeholders to manage cloud-based SAP landscapes efficiently. Role and Responsibilities Manage and maintain SAP systems … PO, SRM, Solution Manager, etc.) in a Hyperscaler (AWS, Azure, GCP) or Private Cloud (RISE) environment. Perform SAP system installation, upgrades, and migrations in cloud environments. Handle system monitoring, performance tuning, and troubleshooting of SAP landscapes. Apply SAP support packages, kernel upgrades, and OSS notes. Manage system copies, refreshes, and backup/recovery procedures. Implement SAP Best Practices More ❯

of MongoDB architecture, including sharding, replication, and indexing Experience working with MongoDB Atlas or self-managed clusters Proficiency with Linux systems and shell scripting Familiarity with monitoring tools and performance tuning techniques Experience with backup and disaster recovery processes Review the current Debezium deployment architecture, including Oracle connector configuration, Kafka integration, and downstream consumers. Analyze Oracle database setup … for CDC compatibility (e.g., redo log configuration, supplemental logging, privileges). Evaluate connector performance, lag, and error handling mechanisms. Identify bottlenecks, misconfigurations, or anti-patterns in the current implementation. Provide a detailed report with findings, best practices, and actionable recommendations. Optionally, support implementation of recommended changes and performance tuning. What we require from you 4+ years of experience More ❯

and transformation projects. This role will suit someone who thrives in a collaborative environment, enjoys solving complex technical challenges, and has a deep understanding of Oracle’s RDBMS and performance tuning. Key Responsibilities Design, develop, and maintain Oracle database components and PL/SQL code (procedures, packages, triggers). Support ETL and data migration projects, ensuring data integrity and … performance across large datasets. Develop and optimise SQL scripts, queries, and DML/DDL operations. Use SQL*Loader, Database Links, and related utilities for efficient data movement. Conduct performance analysis, tune queries, and review execution plans to maximise efficiency. Work with UNIX shell environments, maintaining and developing automation scripts. Collaborate with project teams, analysts, and stakeholders to meet … procedures, packages, and triggers. ETL/Data Migration – experience with large-scale data movement and transformation projects. SQL*Loader & Database Links – practical experience loading and connecting large data sets. Performance Tuning – skilled in code analysis and execution plan optimisation. Oracle Tools – SQL*Plus, TOAD, SQL Developer. UNIX/Linux – knowledge of shell scripting; exposure to PHP or Perl More ❯

and transformation projects. This role will suit someone who thrives in a collaborative environment, enjoys solving complex technical challenges, and has a deep understanding of Oracle’s RDBMS and performance tuning. Key Responsibilities Design, develop, and maintain Oracle database components and PL/SQL code (procedures, packages, triggers). Support ETL and data migration projects, ensuring data integrity and … performance across large datasets. Develop and optimise SQL scripts, queries, and DML/DDL operations. Use SQL*Loader, Database Links, and related utilities for efficient data movement. Conduct performance analysis, tune queries, and review execution plans to maximise efficiency. Work with UNIX shell environments, maintaining and developing automation scripts. Collaborate with project teams, analysts, and stakeholders to meet … procedures, packages, and triggers. ETL/Data Migration – experience with large-scale data movement and transformation projects. SQL*Loader & Database Links – practical experience loading and connecting large data sets. Performance Tuning – skilled in code analysis and execution plan optimisation. Oracle Tools – SQL*Plus, TOAD, SQL Developer. UNIX/Linux – knowledge of shell scripting; exposure to PHP or Perl More ❯

that makes it possible. As Data Solutions Architect you will: Define and deliver the UK data and analytics strategy in alignment with business goals. Design and implement scalable, high-performance data architectures using the Microsoft stack. Champion the use of self-service analytics and promote a data-driven culture across all business functions. Collaborate with stakeholders to translate business … improve business efficiency. Provide thought leadership on modern data tools and architectures, including Microsoft Fabric, Azure Data Services, and Copilot capabilities. Oversee solution quality, from testing and validation to performance tuning and governance. Mentor colleagues and guide partners to ensure consistent technical excellence and successful project delivery. Support incident and request management for analytics, data, and automation platforms. … Microsoft ecosystem - Power BI/Fabric, Azure, and Power Platform (Power Apps, Power Automate). Proficiency in SQL and data modelling, with a strong understanding of data governance and performance optimisation. Solid understanding of automation technologies and their application at scale. Experience in Agile delivery environments, balancing quality with pace. Strong appreciation for AI and its role in modern More ❯