1 to 25 of 173 Performance Tuning Jobs in the UK

Senior MongoDB Engineer

Hiring Organisation
Tanantech
Location
Wolverhampton, West Midlands, United Kingdom
Employment Type
Permanent
ingestion, multi-stage workflows, and external integrations. We are looking for a hands-on Senior MongoDB Engineer with deep experience in database design, performance tuning, and cluster management within AWS cloud environments. This role requires someone who has worked extensively on production-grade MongoDB clusters, ensuring high availability … performance, and resilience in distributed systems. Senior MongoDB Engineer Key Responsibilities: MongoDB Architecture & Engineering Design and implement scalable MongoDB data models (schema design) for: Build and manage MongoDB clusters (replica sets & sharded clusters) Performance Tuning & Optimization Perform advanced query optimization and indexing strategies Proactively identify and resolve ...

Senior Oracle Developer

Hiring Organisation
Hays Technology
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day c. £550 per day
ensure high-quality, scalable applications. You will also contribute to solution design, provide technical leadership, and mentor team members while ensuring best practices in performance tuning and data architecture. What you'll need to succeed Strong hands-on experience in Oracle SQL development Proven expertise in PL/… Forms and Reports (10g/11g) Solid understanding of Data Warehousing concepts and Oracle Database 19g Experience in query optimisation and PL/SQL performance tuning/industrialisation Working knowledge of Oracle Jobs (creation, scheduling, monitoring, and auditing) Ability to independently manage SDLC activities Strong understanding of Entity ...

Senior SQL Developer

Hiring Organisation
Damia Group Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
successful candidate will work on complex database systems supporting real-time data processing, reporting, and business intelligence. Responsibilities Design, develop, and maintain high-performance SQL queries, stored procedures, and functions . Work with large, transactional databases and optimise SQL code for performance and scalability. Collaborate with data engineers … tasks to feed analytics platforms. Troubleshoot and resolve database issues, ensuring data integrity, security, and availability . Assist in data modelling, schema design, and performance tuning across multiple environments. Maintain clear technical documentation and follow best practices for version control and deployment . Required Skills & Experience Strong experience ...

SQL DBA

Hiring Organisation
Harvey Nash
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
Up to £450 per day + Outside IR35
hands-on experience with Cosmos DB to join the clients engineering team. The successful candidate will play a key role in optimising the performance, reliability, and scalability of our mission-critical databases that support a large legacy application currently experiencing latency challenges. This role involves both strategic improvements … tactical performance tuning, ensuring that our data platform evolves while continuing to support existing business processes effectively. Main Duties: Database Operations Administer, configure, and support SQL Server environments across development, test, and production. Manage, optimise, and monitor Azure Cosmos DB workloads, ensuring cost-effective, scalable performance. Perform proactive ...

Senior Linux/Oracle DBA

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
enterprise Linux/AIX systems , ideally gained within a banking or financial services environment . You'll be responsible for ensuring the stability, performance, and availability of business-critical banking and finance applications, working closely with senior IT stakeholders and wider application teams. Key Responsibilities Administer, maintain, and optimise … databases supporting Flexcube banking applications Manage Linux (RHEL/Oracle Linux) and AIX environments hosted on IBM Power 10 infrastructure Perform system upgrades, patching, performance tuning, and capacity planning Support high availability and disaster recovery solutions using Oracle RAC, ASM, RMAN, and Data Guard Collaborate with application ...

Infrastructure Engineer

Hiring Organisation
Searchability NS&D
Location
Epsom, England, United Kingdom
environments at enterprise scale Leading implementation and optimisation of Nutanix clusters across hybrid infrastructure Providing L2/L3 support for Nutanix platforms, including performance tuning and issue resolution Contributing to HLD/LLD design for Nutanix-based infrastructure solutions Supporting lifecycle activities including upgrades, patching and platform enhancements … Working closely with infrastructure teams to ensure resilient, scalable Nutanix deployments Troubleshooting complex Nutanix performance, storage and virtualisation issues Producing clear technical documentation and operational runbooks Essential Skills & Experience Strong hands-on experience with Nutanix HCI in enterprise environments (L2/L3 level) Proven experience designing and implementing Nutanix ...

Lead BI Developer

Hiring Organisation
Harnham
Location
London Area, United Kingdom
across podcasting, video and next generation consumer experiences. Their analytics and BI capability sits at the heart of digital strategy, supporting product teams, content performance and audience engagement. The business is actively modernising its data stack, moving away from legacy BI platforms toward scalable, best in class solutions. … optimise Power BI solutions, covering data modelling, DAX and semantic layers. Design robust data models using star schema principles and well managed relationships. Own performance tuning across Power BI models and reports to ensure scalability and usability. Partner closely with data engineering and analytics to shape high quality ...

Camunda DevOps Lead - London, UK - Fulltime - Hyrbrid

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
configuration and system maintenance Observability Monitoring Reliability Implement comprehensive monitoring logging and alerting frameworks to ensure high platform availability and rapid incident response Conduct performance tuning capacity planning and proactive issue resolution for mission critical systems Establish operational runbooks readiness checklists and best practices for platform reliability Security … Specialized Experience in Camunda Successfully deployed supported and automated Camunda platform operations using DevOps best practices including CICD pipelines for Camunda workflows platform monitoring performance tuning and end to end automation of Camunda based process application We are a Disability Confident Employer: Capgemini is proud ...

Oracle Developer

Hiring Organisation
Expleo Group
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent
applications built on Oracle technologies. This role focuses on maintaining and improving existing systems, resolving production issues, implementing enhancements, and ensuring the stability and performance of Oracle-based business applications. The ideal candidate will have strong hands-on expertise in Oracle Database 19c, PL/SQL, and application maintenance … constraints. Support data fixes, data migration, and data validation activities in production and non-production environments. Ensure database code aligns with best practices, performance standards, and security guidelines. Application Maintenance & Production Support Provide day-to-day support and maintenance for Oracle-based applications across multiple environments. Troubleshoot and resolve ...

Production DBA

Hiring Organisation
Hays Technology
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
building, testing, deploying, and maintaining enterprise database systems Acting as a lead DBA, providing expert technical guidance to stakeholders and project teams Optimising database performance through tuning and monitoring Developing and managing backup and recovery strategies Supporting live environments and ensuring service levels are maintained Maintaining database security … database management systems and database design (logical and physical) Hands-on expertise with Oracle (10g or above) and strong SQL capability Experience in database performance tuning, backup, and recovery Demonstrated ability to deliver and support large-scale database systems Strong analytical, problem-solving, and stakeholder communication skills Ability ...

Data Platform Engineer

Hiring Organisation
London & Country Mortgages
Location
United Kingdom
Employment Type
Full Time
environments to a modern, cloud-first Azure ecosystem. This is a hands-on engineering role with significant influence. You'll own the reliability, security, performance and continuous improvement of our data platforms while helping shape the architecture, tooling and operational practices that support the next generation of data … opportunity to: Lead the transformation of our data platform towards Azure and Microsoft Fabric. Influence engineering standards, platform strategy and best practices. Solve complex performance, scalability and resilience challenges. Drive automation, observability and operational excellence. Work with modern cloud technologies in a highly regulated environment where reliability and security ...

Data Platform Engineer

Hiring Organisation
London & Country Mortgages
Location
United Kingdom
Employment Type
Permanent
environments to a modern, cloud-first Azure ecosystem. This is a hands-on engineering role with significant influence. You'll own the reliability, security, performance and continuous improvement of our data platforms while helping shape the architecture, tooling and operational practices that support the next generation of data … opportunity to: Lead the transformation of our data platform towards Azure and Microsoft Fabric. Influence engineering standards, platform strategy and best practices. Solve complex performance, scalability and resilience challenges. Drive automation, observability and operational excellence. Work with modern cloud technologies in a highly regulated environment where reliability and security ...

Head of Data Engineering

Hiring Organisation
Sussex Community NHS Foundation Trust
Location
Brighton, BN2 3EW, United Kingdom
Salary
£79504.00 to £91609.00
pivotal senior leadership role responsible for ensuring the Trust's data warehouse provides high-quality, reliable and timely data to support clinical care, operational performance and strategic decision-making. You will lead the design, delivery and optimisation of data pipelines, integrations and data models, ensuring our platforms are scalable … platforms, data pipelines and data models to support operational, clinical and strategic decision-making. Managing and developing the data engineering workforce , including line management, performance management, capability building and workforce planning. Establishing and assuring engineering standards, governance and quality for data platforms, working closely with Information Governance, Digital ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
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 … with event-driven architectures. 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 ...

Senior Data Engineer

Hiring Organisation
Winsearch
Location
Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 68 Hourly
highly secure engineering and technology programme seeking an experienced Senior Data Engineer to support the design, development and delivery of secure, scalable and high-performance data solutions within a regulated environment. This role will focus heavily on the Elastic Stack and Apache NiFi, supporting enterprise-scale data ingestion, transformation … pipelines - Ensure high standards of data quality, integrity and traceability across all systems Elastic Stack & Platform Management - Configure, optimise and maintain Elasticsearch clusters for performance and resilience - Develop and maintain Logstash pipelines for efficient data processing - Create dashboards and visualisations within Kibana to support operational and strategic reporting - Monitor ...

Senior Data Engineer

Hiring Organisation
Winsearch
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£68 per hour
highly secure engineering and technology programme seeking an experienced Senior Data Engineer to support the design, development and delivery of secure, scalable and high-performance data solutions within a regulated environment. This role will focus heavily on the Elastic Stack and Apache NiFi, supporting enterprise-scale data ingestion, transformation … pipelines - Ensure high standards of data quality, integrity and traceability across all systems Elastic Stack & Platform Management - Configure, optimise and maintain Elasticsearch clusters for performance and resilience - Develop and maintain Logstash pipelines for efficient data processing - Create dashboards and visualisations within Kibana to support operational and strategic reporting - Monitor ...

Data Engineer

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£60,000
storage and retrieval. You will work closely with cross-functional teams to analyse requirements, propose new data pipeline architectures, and implement solutions to improve performance and scalability. The tasks for this post include the following: Analyse existing data pipelines and identify areas for improvement, optimisation, and scalability. Work closely … with Bioinformaticians and annotators to integrate data pipelines with existing systems and applications. Monitor data pipeline performance, troubleshoot issues, and implement solutions to ensure reliability and efficiency. Stay current with industry trends and best practices in data engineering and recommend new technologies or tools to enhance data infrastructure. Document ...

Senior Data Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will own data architecture across … framework and PowerShell development at expert level partition design and partition-aligned indexing, clustered/nonclustered index strategy, deduplication, parallel-run cutovers, schema migration, performance tuning of high-impact production queries. Driving the in-flight ETL replatform replacing legacy SSIS jobs with a table-driven, parallel ...

Senior Data Engineer (Informatica)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £460/day
Lambda; strong PySpark/Python and SQL for large-scale batch processing. Data engineering at scale in government or similarly complex domains, including performance tuning and data quality management. CI/CD & DevOps: pipelines and IaC (e.g., Terraform), automated testing, and release governance. Version control & collaboration: Git/ ...

Java Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Role Overview We are seeking a highly skilled and experienced Java Developer to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate will possess deep expertise in Java and Spring Boot, strong architectural knowledge, and proven experience leading development teams … high-performing Back End services. Integrate with internal and external systems through APIs, messaging platforms, and event-driven architectures. Ensure compliance with security, performance, and reliability requirements. Architecture & Design Participate in system architecture, technical design discussions, and solution planning. Drive cloud-native development practices and modernization initiatives. Identify ...

MS SQL Developer

Hiring Organisation
hireful
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£60000 - £68000/annum Up to £68K Basic + Bonus + Extensive
doing Designing, developing, and maintaining MS SQL Server databases, writing T-SQL queries, stored procedures, views, and functions to support business operations. Optimising query performance through indexing, execution plans, and tuning techniques to ensure reliable, high-speed data access. Developing and managing ETL processes for data integration … migration, working closely with data and application teams to deliver seamless solutions. Monitoring database performance proactively, resolving issues before they impact the business, and supporting database deployments and release processes. Gathering and translating data requirements from stakeholders, and producing clear documentation for database designs, processes, and standards. What ...

MS SQL Developer

Hiring Organisation
hireful
Location
Central London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £68,000 per annum
doing Designing, developing, and maintaining MS SQL Server databases, writing T-SQL queries, stored procedures, views, and functions to support business operations. Optimising query performance through indexing, execution plans, and tuning techniques to ensure reliable, high-speed data access. Developing and managing ETL processes for data integration … migration, working closely with data and application teams to deliver seamless solutions. Monitoring database performance proactively, resolving issues before they impact the business, and supporting database deployments and release processes. Gathering and translating data requirements from stakeholders, and producing clear documentation for database designs, processes, and standards. What ...

Senior Compute Platform Engineer

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
platform of toolchains and workflows that accelerate application development, scale up computational experiments, and integrate all computation with project metadata, logs, experiment configuration and performance tracking over abstractions that encompass Cloud and High-Performance Computing. This metadata-forward, CI/CD-driven platform represents and enables the entire … data engineering, Computer Science, Software Engineering or related discipline 6+ years of professional experience Experience with Python Experience with Cloud Experience with High Performance Compute (HPC) Preferred Qualifications: Deep knowledge and use of at least one common programming language: e.g., Python, C++, Java, including toolchains for documentation, testing ...

Delphi Developer

Hiring Organisation
Teksystems
Location
West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
EMEA business operations. You will act as the technical owner and subject matter expert for a predominantly Delphi-based platform, ensuring its ongoing stability, performance, and resilience. This is a hands-on technical leadership position that combines deep Delphi and Object Pascal expertise with strong skills in SQL Server … ensuring changes are implemented safely and in line with operational standards. Support and optimise the Azure SQL database, including stored procedures, data integrity, and performance tuning. Work with infrastructure and cloud teams to diagnose performance issues, resolve latency and throughput challenges, and support high-volume transactional processing. Collaborate ...

Applications Developer

Hiring Organisation
E.surv Limited
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
other relational database management systems, maintenance plans, database user and security audit with a proven track record on how to achieve maximum database performance by analysing execution plans, indexes, query performance tuning and other SQL best practices. Proven and demonstrable experience in web programming using the Django … management systems including SQL. Expertise in provision, implementation, maintenance and evolution of the e.surv data warehouse, databases and associated technology whilst also ensuring maximum performance from systems. Good working knowledge of the Linux and Windows command line interfaces. Good working knowledge of user interface design technologies. Ability to coach ...