126 to 150 of 526 Performance Tuning Jobs in the UK

Senior Oracle APEX & Database Administrator

Hiring Organisation
Stantec
Location
London, United Kingdom
Salary
Confidential
Database Administrator to support and enhance enterprise database platforms and Oracle APEX application environments. This role will be responsible for the design, administration, performance optimization, and lifecycle management of Oracle databases and APEX/ORDS platforms supporting critical business applications.The successful candidate will work closely with DBA, middleware … application teams to ensure high availability, performance, and security of systems across development, QA, and production environments.Key ResponsibilitiesOracle Database AdministrationManage and maintain Oracle databases (19c and newer) across multiple environmentsPerform database installations, upgrades, patching, and migrationsImplement backup/recovery strategies and disaster recovery solutionsMonitor database performance and tune ...

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 Site Reliability Engineer

Hiring Organisation
NICE Systems
Location
United Kingdom
Salary
£ 60 K
software and systems to manage platform infrastructure and applicationsImprove reliability, quality, and time-to-market of our suite of software solutionsMeasure and optimize system performance, with an eye toward pushing our capabilities forward, getting ahead of customer needs, and innovating to continually improveProvide primary operational support and engineering … multiple large distributed software applicationsHow will you make an impact Gather and analyze metrics from both operating systems and applications to assist in performance tuning and fault findingPartner with development teams to improve services through rigorous testing and release proceduresParticipate in system design consulting, platform management, and capacity ...

Application Developers | Data engineers

Location
United Kingdom
variety of sources (RDBMS, APIs, FTPs and other cloud storage) & formats (Excel, CSV, XML, JSON, Parquet, Unstructured)Write advanced/complex SQL with performance tuning and optimizationBuild AI based solutions for solving business needs, process automations and improving operational efficiencyIdentify ways to improve data reliability, data integrity, system … Cloud based solutions using - Azure Databricks with UC, Snowflake, Functions, Service Bus2+ years of experience in SQL with designing complex data schemas and query performance optimizationExperience building LLM integrations for workflow automation/business needs.Experience with DevOps automation with Terraform.Experience with CI/CD process and tools – GitHub Actions ...

Business Consultant - Databricks

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 80 K
United Kingdom (GB).Key Responsibilities• Design, optimize, and maintain scalable Databricks pipelines (ETL, streaming, ML workflows).• Perform cluster and job performance tuning: optimize cluster sizing, caching, partitioning, and shuffle management.• Monitor Spark job metrics, analyze logs, and identify bottlenecks in data throughput or latency.• Implement cost-optimization … autoscaling and job consolidation.• Ensure efficient scheduling and orchestration of jobs using Databricks Workflows• Collaborate with data scientists and platform teams to improve query performance on Delta Lake.• Develop automated monitoring and alerting mechanisms using Databricks REST APIs, Prometheus, or Azure Monitor.• Maintain best practices for data engineering performance ...

Platform Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
systems (Azure SQL/PostgreSQL/related platforms).Automate operational tasks using Bash scripting and other scripting tools.Administer and maintain Linux-based environments.Monitor system performance, reliability, and costs; implement improvements and optimizations.Ensure security, compliance, and governance across all Azure resources.Work with development and data engineering teams to enable DevOps … + networking + security)Experience with data-centric platforms: Azure Databricks, Azure Event Hubs, Azure Storage (ADLS Gen2/Blob)Proficiency in SQL (querying, performance tuning, data workflows)Strong Python and Bash scripting skillsSolid experience with Linux system administrationExposure to containerization (Docker, Kubernetes)Knowledge of security best practices ...

Data Architect

Location
Greater London, England, United Kingdom
access controls, row‐level security, dynamic data masking, and PII governance in line with regulatory requirements (GDPR, BCBS 239) Champion Snowflake best practices for performance tuning, clustering keys, materialised views, and query optimisation Evaluate Snowflake‐native capabilities (Snowpark, Cortex AI, Dynamic Tables) and recommend adoption where they accelerate … Formation, IAM, VPC Data Governance Data lineage, cataloguing (Apache Atlas/Collibra/Snowflake Horizon), GDPR, BCBS 239, MDM AI/ML Data Query & Performance SQL optimisation, clustering keys, partitioning, query profiling, cost‐based tuning Data Landscape The Data Architect will work across the following technology landscape. Candidates ...

Senior Technology Architect Snowflake

Hiring Organisation
Infosys Technologies
Location
London, United Kingdom
Salary
£ 80 K
architecture reviews, technology evaluations, and platform transformation initiatives.Establish governance, security, resilience, scalability, and cost-optimization frameworks.Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi-environment strategy.Define enterprise data platform standards and operational best practices.Guide warehouse sizing, workload management, performance tuning, and cost optimization.Design ...

Senior Technology Architect Snowflake

Location
Greater London, England, United Kingdom
technology evaluations, and platform transformation initiatives. Establish governance, security, resilience, scalability, and cost‐optimization frameworks. Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi‐environment strategy. Define enterprise data platform standards and operational best practices. Guide warehouse sizing, workload management, performance tuning ...

Senior Technology Architect Snowflake

Hiring Organisation
Infosys Technologies
Location
London, UK
Employment Type
Full-time
technology evaluations, and platform transformation initiatives. Establish governance, security, resilience, scalability, and cost-optimization frameworks. Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi-environment strategy. Define enterprise data platform standards and operational best practices. Guide warehouse sizing, workload management, performance tuning ...

Snowflake Data Engineer

Hiring Organisation
The Nippon Telegraph And Telephone Corporation (NTT)
Location
London, United Kingdom
Salary
£ 80 K
Experience leading or mentoring teams of engineers to deliver high-quality scalable data solutions.Technical Expertise• Deep expertise with Snowflake features (warehouses, Snowpark, data sharing, performance tuning).• Proficiency in ETL/ELT tools such as DBT, Matillion, Talend, or equivalent.• Strong SQL and Python (or equivalent language) skills ...

Database Platform Engineer

Location
Greater London, England, United Kingdom
across on‐premises and AWS environments Supporting large-scale deployments of PostgreSQL, Microsoft SQL Server, MySQL and CockroachDB, ensuring high availability, disaster recovery and performance Contributing to the design and implementation of automation for database provisioning, upgrades, replication and monitoring using Python, Ansible and Terraform Driving improvements in performance tuning, query optimisation, indexing strategies and storage design Collaborating with application and research teams to design and deliver database solutions that meet demanding scalability and latency requirements Participating in the out-of-hours rota to provide support for critical systems Staying up to date with industry trends ...

Technical Lead (.NET / Angular / Azure)

Location
City of Edinburgh, Scotland, United Kingdom
with Microsoft Azure services including App Services, Azure Functions, Azure APIM, and Azure DevOps. Strong knowledge of SQL Server, including database design, optimisation, and performance tuning. Solid understanding of security best practices, authentication/authorisation mechanisms, and application monitoring. A degree or equivalent relevant practical experience. Additional eligibility requirements … Agile, CI/CD pipelines, Git, and automated testing frameworks. Familiarity with Infrastructure as Code (IaC) and Azure infrastructure management tools. Exposure to application performance monitoring tools and observability platforms. Qualifications Exhibit strong proficiency in Net Framework and C sharp with extensive experience building large scale enterprise applications ...

Devops SRE

Location
Greater London, England, United Kingdom
maintain, and enhance CI/CD pipelines enabling automated testing, seamless deployments, and continuous integration. Diagnose and resolve complex system‐level issues related to performance, scalability, networking, and automation. Collaborate with cross‐functional teams to deliver cloud‐native solutions aligned with engineering best practices and business goals. Required Skills … Kubernetes services such as CoreDNS , cert‐manager , Dynatrace , Cloudability , and Infoblox . Familiarity with OPA Gatekeeper for policy enforcement and tenant isolation. Security, Observability & Performance Strong security mindset with a proven track record of designing secure, resilient cloud‐native systems. Experience implementing observability stacks including Prometheus , Dynatrace , and OpenTelemetry ...

Database & Systems Engineer

Hiring Organisation
Breedon Group plc
Location
Derby, Derbyshire, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
support, and optimisation of the organisation’s database platforms and business-critical systems, including accounting and financial applications. The role will ensure system availability, performance, security, and compliance, while supporting both operational activities and project delivery across the IT function. Key Responsibilities Database Administration (Primary Focus) Administer, maintain … optimise Microsoft SQL Server environments (or equivalent) Manage database backup, recovery, and disaster recovery processes Monitor database performance, identify bottlenecks, and implement tuning improvements Design and maintain database structures to support business applications Ensure data integrity, consistency, and security across all environments Business-Critical Systems Support Provide technical ...

LEAD ADMINISTRATOR L1(CONTRACT)

Hiring Organisation
Wipro
Location
London, United Kingdom
Salary
£ 80 K
ResponsibilitiesDesign, implement, and maintain Sybase ASE & Sybase IQ database instances, including installation, configuration, upgrades, and patching across Linux/Unix platforms.Perform Sybase & IQ database performance tuning, query optimization, index management, and capacity planning to ensure optimal throughput and minimal downtime.Perform routine Sybase database maintenance activities like housekeeping, reorgs … implement restore strategies using dump/load, replication, or backup server.Maintain large-scale IQ databases with terabyte-level storage and ensure optimal bulk loading performance using BCP, IQ load utilities, or ETL tools.Configure and support high-availability solutions such as Sybase Replication Server, Warm Standby, MSA, Failover Clustering ...

Lead Cloud Platform Engineer (Kubernetes) - Remote

Location
United Kingdom
effectively across teams, and contribute to the ongoing maturity of modern cloud platforms. Key Responsibilities Own and support the operational health, reliability, scalability, and performance of Kubernetes-based platforms and containerised workloads Manage and evolve Kubernetes environments, including workload deployment, configuration management, cluster operations, and platform upgrades Drive … pipelines to streamline software delivery, improve deployment reliability, and reduce operational overhead Manage and optimise cloud‐native and managed platform services, including capacity planning, performance tuning, cost optimisation, patching, and lifecycle management Partner with software engineering teams to support application deployment, troubleshooting, observability, and platform adoption Monitor platform ...

SQL DBA

Hiring Organisation
Sanderson
Location
Peterborough, Cambridgeshire, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £450.00 per day
modern database engineering practices. This is an opportunity to play a key role in a cloud-first environment, helping to drive platform reliability, performance, security and continuous improvement. SQL DBA, key responsibilities: Manage and optimise Microsoft SQL Server environments across on-premises and Azure platforms Ensure database performance, availability, security and reliability Lead backup, recovery, disaster recovery and high-availability initiatives Troubleshoot complex database and application performance issues, conducting root cause analysis and implementing improvements Partner with development, infrastructure, cloud and security teams to support platform growth and innovation Drive database modernisation initiatives, including Database ...

SQL DBA

Hiring Organisation
Sanderson Recruitment
Location
Peterborough, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450 per day
modern database engineering practices. This is an opportunity to play a key role in a cloud-first environment, helping to drive platform reliability, performance, security and continuous improvement. SQL DBA, key responsibilities: Manage and optimise Microsoft SQL Server environments across on-premises and Azure platforms Ensure database performance, availability, security and reliability Lead backup, recovery, disaster recovery and high-availability initiatives Troubleshoot complex database and application performance issues, conducting root cause analysis and implementing improvements Partner with development, infrastructure, cloud and security teams to support platform growth and innovation Drive database modernisation initiatives, including Database ...

Applications Developer

Hiring Organisation
E.surv Limited
Location
Kettering, Northamptonshire, East Midlands, 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 ...

Senior Software Engineer (Java)

Hiring Organisation
Liquidnet
Location
London, United Kingdom
Salary
£ 100 K
optimising mission‐critical trading services across multiple asset classes. Role Responsibilities Design and implement distributed, fault‐tolerant Java services for electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global … DevOps, and Product Mentor and guide engineers to improve technical capability and engineering standards Experience/Competences Essential Strong experience designing and building high‐performance, low‐latency Java services within electronic trading Strong experience with distributed messaging technologies (Solace/Kafka) and real‐time systems Strong experience designing ...

Senior DevOps Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
controls. Support the organisation's ongoing compliance and certification requirements. Reliability & SRE Establish and maintain observability across distributed systems. Develop proactive monitoring, alerting and performance-tuning strategies. Help maintain service-level objectives and platform availability. Investigate and resolve infrastructure and application incidents. Coordinate emergency changes, hot fixes … regular capacity and availability reviews. Identify opportunities for AWS cost optimisation. Make effective use of AWS Compute Optimizer, Savings Plans and Graviton . Balance performance, availability, security and cost when making infrastructure decisions. Governance & Compliance Support regular technical and security audits. Maintain infrastructure provenance and configuration records. Implement infrastructure ...

Senior Data Analyst

Hiring Organisation
Eden James Consulting Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Factory, Synapse/Fabric, SQL-based semantic layers). Advanced Power BI engineering skills: data modelling (star schemas), advanced DAX, Power Query/M, performance tuning and RLS, alongside sound engineering discipline, PBIP/TMDL source format, Git-based version control, pull-request review, and structured release, deployment ...

Database Platform Engineer

Hiring Organisation
G Research
Location
London, United Kingdom
Salary
£ 80 K
recovery and performanceContributing to the design and implementation of automation for database provisioning, upgrades, replication and monitoring using Python, Ansible and TerraformDriving improvements in performance tuning, query optimisation, indexing strategies and storage designCollaborating with application and research teams to design and deliver database solutions that meet demanding scalability ...

BI Developer

Hiring Organisation
Independent Vetcare Limited
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
solving abilities, with strong attention to detail.Nice to Have* Experience using Python for data analysis, automation, or pipeline support.* Knowledge of SQL Server administration, performance tuning, indexing, and maintenance.* Advanced DAX development and optimisation experience.* Experience enabling self-service BI through training, documentation, or user support.* Experience within ...