76 to 100 of 189 Performance Tuning Jobs

Mainframe Performance & Scalability SME - Inside IR35 - London/Remote - 6 months +

Hiring Organisation
Investigo Change Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 35 Annual
Mainframe Performance & Scalability SME 6-Month Contract | UK-Based | ASAP Start We are seeking a senior Mainframe Performance & Scalability SME to lead a focused assessment of a large-scale IBM Mainframe environment. You'll analyse Db2, CICS, z/OS performance, workload management and capacity planning … identify scalability risks and optimisation opportunities. Experience with RMF, SMF, WLM, MSU consumption, performance tuning, observability and capacity diagnostics is essential. The role requires a hands-on consultant able to translate complex technical findings into practical recommendations, lead stakeholder workshops and distinguish evidence from assumption. Experience with ...

SQL Server Architect - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£590 - £610/day
SharePoint platform from on-premises infrastructure to AWS. The initial eight-week Proof of Value will assess SQL Server high availability, disaster recovery and performance options, with the potential to progress into a detailed architecture and design phase through to the end of 2026. You will work closely with … Availability Groups, Failover Cluster Instances (FCI) and HA/DR solutions. Experience supporting large-scale SharePoint farms and SQL Server databases. Strong SQL Server performance tuning, storage optimisation and troubleshooting skills. Knowledge of clustering, networking, DNS failover and disaster recovery design. Desirable Skills AWS experience with ...

Data Architect

Hiring Organisation
Reed
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
£56,293 - £61,064 per annum, Inc benefits
Support the full data product lifecycle, from design through to implementation and transition into live service. Ensure solutions meet key architectural standards around usability, performance, capacity, security, availability, maintainability and governance. Contribute to data policies, procedures and best practice, including data quality, lineage, privacy and secure-by-design principles. … data architectures, including data modelling, database design and integration. Strong knowledge of SQL and NoSQL databases such as MS SQL, MySQL and MongoDB, including performance tuning and optimisation. Hands-on experience with cloud-based data platforms, particularly Microsoft Fabric and Synapse. Strong understanding of data warehousing, ETL/ ...

Oracle DBA

Hiring Organisation
Sanderson
Location
Bristol, Avon, United Kingdom
Employment Type
Full-Time
Salary
£450.00 per day
monitoring, incident management, backup and recovery activities, upgrades and platform maintenance. Key Responsibilities Administration and support of enterprise database platforms, primarily Oracle. Database monitoring, performance optimisation and capacity management. Backup, recovery and disaster recovery management using RMAN. Incident investigation and resolution across production environments. Database patching, upgrades and infrastructure … work within structured change and operational processes. Desirable Experience Oracle RAC, Data Guard and high-availability technologies. SQL Server, MariaDB or Sybase administration. Performance tuning and optimisation. AWS or Azure cloud platforms. Automation and scripting (Python, Shell, PowerShell or Ansible). Experience within financial services or another regulated ...

Oracle DBA

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £450 per day
monitoring, incident management, backup and recovery activities, upgrades and platform maintenance. Key Responsibilities Administration and support of enterprise database platforms, primarily Oracle. Database monitoring, performance optimisation and capacity management. Backup, recovery and disaster recovery management using RMAN. Incident investigation and resolution across production environments. Database patching, upgrades and infrastructure … work within structured change and operational processes. Desirable Experience Oracle RAC, Data Guard and high-availability technologies. SQL Server, MariaDB or Sybase administration. Performance tuning and optimisation. AWS or Azure cloud platforms. Automation and scripting (Python, Shell, PowerShell or Ansible). Experience within financial services or another regulated ...

Data Architecture Lead

Hiring Organisation
Radley James
Location
London, UK
Employment Type
Full-time
master system. In addition to designing and implementing robust data architectures. The successful candidate will lead the security master development team, overseeing the quality, performance, and scalability of the teams' deliverables. Key Responsibilities –Data Architecture and Design: Lead the design and implementation of the enterprise data architecture, ensuring alignment … Azure) and big data technologies (e.g., Kafka, Spark, Databricks, Snowflake).Expert-level knowledge of building ETL processes in Python. Expert-level knowledge of performance tuning and optimization in a Python/SQL Server environmentThis role offers highly competitive compensation as well as a flexible hybrid working model. ...

Database Administrator (PostgreSQL & MongoDB)

Hiring Organisation
GIOS Technology Limited
Location
Manchester, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
knowledge of database management systems such as Oracle, Microsoft SQL Server, MySQL, and PostgreSQL. Hands-on experience with MongoDB. Experience with database administration, maintenance, performance tuning, backup, and recovery. Knowledge of database High Availability (HA), Disaster Recovery (DR), and business continuity solutions. Experience with Terraform for Infrastructure ...

Senior Regulatory Data Developer

Hiring Organisation
Hackajob Ltd
Location
London, England, United Kingdom
policy. Qualifications Strong experience in Google BigQuery and Dataform, including data modelling and query optimisation Advanced SQL capabilities, covering complex queries, stored procedures and performance tuning Proven track record designing, building and supporting ETL or ELT pipelines Practical knowledge of GCP services such as Cloud Storage, Cloud Functions ...

Senior Regulatory Data Developer

Hiring Organisation
Hackajob Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
policy. Qualifications Strong experience in Google BigQuery and Dataform, including data modelling and query optimisation Advanced SQL capabilities, covering complex queries, stored procedures and performance tuning Proven track record designing, building and supporting ETL or ELT pipelines Practical knowledge of GCP services such as Cloud Storage, Cloud Functions ...

Database and DevOps Team Lead

Hiring Organisation
Reed Technology
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Oracle database expertise with people leadership, service improvement and operational management responsibilities. You'll play a key role in ensuring the reliability, security and performance of business-critical platforms while driving modernisation and continuous improvement initiatives. Key Responsibilities: Lead, develop and mentor Database Administration and DevOps team members. Provide … technical leadership and hands-on support for Oracle database environments. Drive knowledge sharing, succession planning and team capability development. Oversee database performance, security, patching, upgrades and maintenance activities. Manage relationships with third-party suppliers and support partners. Lead responses to major incidents, problem management and service improvement initiatives. Ensure ...

Lead Oracle Database Architect

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £575.00 per day
/CSV output generation. Develop dashboards, report templates, scheduling and distribution workflows, ensuring appropriate security and access controls. Implement robust testing, data reconciliation, performance tuning and production deployment processes. Produce technical documentation, operational runbooks and knowledge transfer materials for ongoing support. Essential Experience Strong Oracle database development skills … including advanced SQL, PL/SQL and performance tuning. Proven experience with Oracle Analytics Server (OAS) or OBIEE and Oracle BI Publisher. Strong Python development experience, particularly in data processing and reporting automation. Hands-on experience with Microsoft Access, VBA, macros and migrating legacy reporting applications. Experience delivering enterprise ...

C# Developer

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
skills, investigate complex data issues and independently identify and implement technical solutions. You will be working on regulatory reporting projects where data accuracy, system performance and delivery against demanding deadlines are essential. Key Skills & Experience Strong commercial C# development experience. Advanced SQL skills, including complex queries, performance tuning and query optimisation. Proven experience investigating and resolving data-related issues, including data discrepancies and performance problems. Strong analytical and troubleshooting skills, with the ability to identify root causes and implement effective solutions. Experience working with complex, data-intensive applications and systems. Ability to understand business processes, analyse ...

C# Developer

Hiring Organisation
Access Computer Consulting plc
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £425.00 per day
skills, investigate complex data issues and independently identify and implement technical solutions. You will be working on regulatory reporting projects where data accuracy, system performance and delivery against demanding deadlines are essential. Key Skills & Experience Strong commercial C# development experience. Advanced SQL skills, including complex queries, performance tuning and query optimisation. Proven experience investigating and resolving data-related issues, including data discrepancies and performance problems. Strong analytical and troubleshooting skills, with the ability to identify root causes and implement effective solutions. Experience working with complex, data-intensive applications and systems. Ability to understand business processes, analyse ...

Data Engineer

Hiring Organisation
Nurseplus UK Ltd
Location
Nottingham, Long Eaton, Derbyshire, United Kingdom
Employment Type
Permanent
data environment, pipelines and architecture. You’ll work closely with our Lead Technology Architect and wider technology team to build scalable data solutions, improve performance, automate processes and ensure our data is reliable, secure and ready to support reporting, analytics and digital products. Key Responsibilities Take ownership … cloud data environment, identifying opportunities to improve performance, scalability and cost efficiency. Design and implement scalable data storage, structures and cloud solutions. Build automated ETL/ELT pipelines and integrations between operational systems, third-party platforms and internal applications. Develop reliable data models and layered data structures to support ...

SQA DBA specialist

Hiring Organisation
Sanderson Government and Defence
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
looking for an experienced SQL DBA to join a growing team supporting critical SQL Server environments. You'll be responsible for ensuring database availability, performance, security, and resilience across enterprise systems. Key Responsibilities: Administer and support Microsoft SQL Server environments. Manage backup, recovery, and disaster recovery processes. Optimise database … performance and resolve issues proactively. Maintain high availability solutions and ensure system resilience. Implement security best practices and database governance. Automate database administration tasks using T-SQL and PowerShell . Monitor database health, capacity, and performance. Provide operational support and incident resolution. Key Skills Required: Strong SQL Server ...

Oracle DBA

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£40 - £45/hour
seeking an experienced Oracle Database Administrator to support and maintain enterprise database environments. You'll be responsible for database installation, performance tuning, security, backup and recovery, while ensuring the availability, integrity, and performance of critical systems. Key Responsibilities Install, configure, and maintain Oracle databases. Manage backup, recovery … disaster recovery solutions. Monitor and optimise database performance and availability. Troubleshoot and resolve database-related issues. Implement and maintain database security policies and procedures. Support and deploy new database technologies and enhancements. Design, build, and integrate complex database solutions. Develop reports, dashboards, and database monitoring tools. Collaborate with internal ...

Oracle DBA

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£40.00 - £45.00 per hour
seeking an experienced Oracle Database Administrator to support and maintain enterprise database environments. You'll be responsible for database installation, performance tuning, security, backup and recovery, while ensuring the availability, integrity, and performance of critical systems. Key Responsibilities Install, configure, and maintain Oracle databases. Manage backup, recovery … disaster recovery solutions. Monitor and optimise database performance and availability. Troubleshoot and resolve database-related issues. Implement and maintain database security policies and procedures. Support and deploy new database technologies and enhancements. Design, build, and integrate complex database solutions. Develop reports, dashboards, and database monitoring tools. Collaborate with internal ...

Software Architect - .NET / Warehouse Automation

Hiring Organisation
Computer Futures
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
artefacts and architecture documentation (including ADRs) Make key technical decisions across persistence, messaging, caching, and integration patterns Ensure solutions meet non-functional requirements including performance, scalability, availability, and security Troubleshoot and resolve complex system issues, including concurrency, bottlenecks, and integration failures Systems Integration Own and define integration patterns between … technical authority in client workshops, design reviews, FAT/SAT, and commissioning phases Provide support during go-live activities, including system tuning, troubleshooting, and stabilisation Collaborate with delivery and project teams to ensure integration success Maintain a calm, solution-focused approach in high-pressure live environments Technology Strategy & Governance ...

Operations Engineering Lead

Hiring Organisation
WTW
Location
London, England, United Kingdom
evolution of deployment pipelines and system reliability across our monorepos and legacy platform (CircleCI, NX, Docker) Guide AWS cloud strategy - hosting, networking, scalability, performance, and cost-efficiency across production environments Oversee Infrastructure as Code practices (e.g. Terraform) and ensure environments are consistent, auditable, and secure Shape monitoring, observability … help raise the bar for engineering talent across the team. Qualifications What you’ll bring Technical experience Strong AWS infrastructure experience, including cost optimisation, performance tuning, and production troubleshooting Experience in Operations, DevSecOps, SRE, or Cloud Infrastructure roles in fast-growing, regulated environments Proven experience leading or acting ...

Lead Software Developer - SampleManager LIMS x2

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
£627 per day inside IR35
troubleshooting against the SampleManager data model Relational databases: Oracle in the current version, being upgraded to PostgreSQL. Understanding of schemas, stored procedures and performance tuning Data integrity and audit: audit trails, versioning and traceability 3. SampleManager platform LIMS configuration, which is at times more important than pure coding. ...

Infrastructure Engineer

Hiring Organisation
Hackajob Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£80,000
rigorous testing and release procedures. Providing expertise on networks, security and databases. Gathering and analysing metrics from operating systems and applications to assist in performance tuning and fault finding. Key skills, experience and behaviours Essential At least 3 years experience building/operating systems on cloud, virtualised ...

Integration Architect

Hiring Organisation
University Hospitals Coventry and Warwickshire NHS Trust
Location
Coventry, CV2 2DX, United Kingdom
Salary
£57528.00 to £64750.00
MPages, PowerForms, PowerChart, PowerOrders, PowerPlans oDA2, Olympus, Cerner Command Language (CCL), EKM rules oPMOffice, RevCycle, PMDBConv, Clinical Workflows oAdvance T-SQL, PL-SQL o(Performance tuning, indexing, optimization, CTE, UDF, XML integration, dynamic SQL, cursors, data modelling, ERD, transaction management, error handling, isolation levels) oProgramming oASP.NET Web applications ...

Software Engineer - Scala - Java

Hiring Organisation
Robert Walters
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
capital markets. -Knowledge of equity derivatives, particularly Equity Swaps. -Understanding of global regulatory reporting requirements. -Experience with Python, Perl or Unix scripting. -Database performance tuning. -Experience actively using AI-assisted development tools such as Claude and other AI coding assistants. What's Next: If you are ready to take ...

Senior Front Office Developer - Trading

Location
London, United Kingdom
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

Senior Data Modeller

Hiring Organisation
EXL Service
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
business intelligence initiatives. You will translate complex business requirements into scalable, high-quality data solutions, ensuring data is structured, governed and optimised for performance across the organisation. You will be responsible for developing conceptual, logical and physical data models, defining source-to-target mappings, and supporting the implementation … will ensure data architecture aligns with enterprise standards, governance frameworks and best practices. You will also drive improvements to existing data architecture, optimise data performance, and contribute to the definition of data modelling standards, automation and testing strategies. Success in this role requires strong technical expertise, excellent stakeholder management ...