126 to 150 of 256 Performance Tuning Jobs

Power BI Consultant

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
optimise semantic models (data models) in Power BI Collaborate with data engineering teams working across Fabric, Azure, and Databricks Ensure best practices across performance, governance, and usability Engage with stakeholders to gather requirements and deliver actionable insights Required Skills & Experience Proven experience delivering BI migrations (ideally QlikSense to Power … Strong expertise in Power BI (reporting, DAX, data modelling, performance tuning) Experience building and managing semantic/data models Strong experience working with Azure, Databricks and Fabric Strong stakeholder engagement and communication skills Experience in the financial sector is advantageous If this is a role that suits your ...

Applications Operations Analyst

Hiring Organisation
Ryder Reid Legal
Location
London, UK
join their London-based team. The Role This position sits within the Applications Operations team and plays a key role in ensuring the stability, performance, and security of enterprise application environments. You’ll be responsible for the day-to-day support, maintenance, and optimisation of business-critical systems, while … Responsibilities Perform system maintenance, patching, and upgrades in line with change management processes Manage user access (provisioning, de-provisioning, and access reviews) Monitor system performance and proactively address issues Respond to incidents and service requests, ensuring SLA adherence Troubleshoot and resolve application issues, conducting root cause analysis Support system ...

Applications Operations Analyst

Hiring Organisation
Ryder Reid Legal
Location
City of London, Greater London, UK
join their London-based team. The Role This position sits within the Applications Operations team and plays a key role in ensuring the stability, performance, and security of enterprise application environments. You’ll be responsible for the day-to-day support, maintenance, and optimisation of business-critical systems, while … Responsibilities Perform system maintenance, patching, and upgrades in line with change management processes Manage user access (provisioning, de-provisioning, and access reviews) Monitor system performance and proactively address issues Respond to incidents and service requests, ensuring SLA adherence Troubleshoot and resolve application issues, conducting root cause analysis Support system ...

Applications Operations Analyst

Hiring Organisation
Ryder Reid Legal
Location
City of London, London, United Kingdom
join their London-based team. The Role This position sits within the Applications Operations team and plays a key role in ensuring the stability, performance, and security of enterprise application environments. You’ll be responsible for the day-to-day support, maintenance, and optimisation of business-critical systems, while … Responsibilities Perform system maintenance, patching, and upgrades in line with change management processes Manage user access (provisioning, de-provisioning, and access reviews) Monitor system performance and proactively address issues Respond to incidents and service requests, ensuring SLA adherence Troubleshoot and resolve application issues, conducting root cause analysis Support system ...

Applications Operations Analyst

Hiring Organisation
Ryder Reid Legal
Location
London Area, United Kingdom
join their London-based team. The Role This position sits within the Applications Operations team and plays a key role in ensuring the stability, performance, and security of enterprise application environments. You’ll be responsible for the day-to-day support, maintenance, and optimisation of business-critical systems, while … Responsibilities Perform system maintenance, patching, and upgrades in line with change management processes Manage user access (provisioning, de-provisioning, and access reviews) Monitor system performance and proactively address issues Respond to incidents and service requests, ensuring SLA adherence Troubleshoot and resolve application issues, conducting root cause analysis Support system ...

Senior BI Data Architect (8 Month FTC)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£87,000 - £97,000 per annum
Only) This is a high-impact opportunity to shape the future of a modern data platform at scale. You will take ownership of architecture, performance, and governance across a Databricks Lakehouse environment, directly influencing how business decisions are made. THE COMPANY They are a global, data-driven organisation operating … Migrate complex legacy SQL into clean, modular, and maintainable pipelines. Build scalable transformation frameworks using Spark and Python or SQL-based pipelines. Optimise query performance across large datasets, improving efficiency and cost control. Define and manage data modelling standards, including dimensional modelling approaches. Develop CI and CD pipelines ...

Senior BI Data Architect (8 Month FTC)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£87,000 - £97,000 per annum
Only) This is a high-impact opportunity to shape the future of a modern data platform at scale. You will take ownership of architecture, performance, and governance across a Databricks Lakehouse environment, directly influencing how business decisions are made. THE COMPANY They are a global, data-driven organisation operating … Migrate complex legacy SQL into clean, modular, and maintainable pipelines. Build scalable transformation frameworks using Spark and Python or SQL-based pipelines. Optimise query performance across large datasets, improving efficiency and cost control. Define and manage data modelling standards, including dimensional modelling approaches. Develop CI and CD pipelines ...

Senior BI Data Architect (8 Month FTC)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£87,000 - £97,000 per annum
Only) This is a high-impact opportunity to shape the future of a modern data platform at scale. You will take ownership of architecture, performance, and governance across a Databricks Lakehouse environment, directly influencing how business decisions are made. THE COMPANY They are a global, data-driven organisation operating … Migrate complex legacy SQL into clean, modular, and maintainable pipelines. Build scalable transformation frameworks using Spark and Python or SQL-based pipelines. Optimise query performance across large datasets, improving efficiency and cost control. Define and manage data modelling standards, including dimensional modelling approaches. Develop CI and CD pipelines ...

Senior SQL / Integration Specialist

Hiring Organisation
East London NHS Foundation Trust
Location
London, E2 9NJ, United Kingdom
Salary
£58133.00 to £65261.00
optimising stored procedures, and supporting reporting and data extracts from RiO databases to enable accurate clinical and operational insights. You will lead on database performance tuning, data quality assurance, and the development of secure, scalable interfaces between key clinical and corporate systems, ensuring reliable data flows across … duties and responsibilities Develop, implement, and optimize SQL scripts using T-SQL Review and interpret ongoing business report requirements Analyse existing SQL queries for performance improvements Suggest new queries Develop scripts for data migration, audits, data quality Develop scripts for use in EPRs, in particular RiO Provide timely scheduled ...

Staff Reliability Engineer (Full Stack)

Hiring Organisation
Feeld
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
100000 to 130000 GBP Annually
shadowing, and pragmatic coaching on production ownership. Must-haves Significant experience building and operating production backend systems at scale , including debugging distributed systems and performance issues. Strong TypeScript/Node.js (or equivalent) backend experience; comfort working across services and APIs. Proven incident response leadership: on-call participation, triage, mitigation … production tooling. Experience designing reliability programs (SLOs, error budgets, incident process) and running operational excellence improvements. Experience with PostgreSQL/Redis and performance tuning in high-traffic systems. Experience in a high-growth environment where prioritization and pragmatic trade-offs are essential. About us Feeld is an independent ...

Devops

Hiring Organisation
Hirexa Solutions UK
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Expertise (Must-Have) • Kafka architecture: brokers, topics, partitions, replication • Kafka components: Kafka Connect, Schema Registry, Streams, ZooKeeper/Kraft • Topic & partition management, consumer groups • Performance tuning, retention, throughput optimisation • Cluster setup, upgrades, scaling and failover • Troubleshooting (e.g. lag, ISR, leader issues) • Security: SSL/TLS, ACLs, authentication, encryption ...

Administrator

Hiring Organisation
Infinity Quest
Location
Manchester, UK
Expertise (Must-Have) • Kafka architecture: brokers, topics, partitions, replication • Kafka components: Kafka Connect, Schema Registry, Streams, ZooKeeper/Kraft • Topic & partition management, consumer groups • Performance tuning, retention, throughput optimisation • Cluster setup, upgrades, scaling and failover • Troubleshooting (e.g. lag, ISR, leader issues) • Security: SSL/TLS, ACLs, authentication, encryption ...

Administrator

Hiring Organisation
Infinity Quest
Location
Manchester Area, United Kingdom
Expertise (Must-Have) • Kafka architecture: brokers, topics, partitions, replication • Kafka components: Kafka Connect, Schema Registry, Streams, ZooKeeper/Kraft • Topic & partition management, consumer groups • Performance tuning, retention, throughput optimisation • Cluster setup, upgrades, scaling and failover • Troubleshooting (e.g. lag, ISR, leader issues) • Security: SSL/TLS, ACLs, authentication, encryption ...

Finance Software & Data Engineer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60,000 - £70,000 per annum
enhance and support C#.NET (including WPF) applications supporting operational and finance processes Develop and optimise SQL Server solutions including stored procedures, data models and performance tuning Support and enhance Access and VBA tools used for workflows, reconciliations and reporting Provide production support including incident management, root cause analysis ...

Junior Data Base Administrator JBLE1 NI

Hiring Organisation
CIS Oncology
Location
Belfast, UK
server to new versions Assist with deployment activities Work with the agile DBA team to gain an understanding of development and contribute towards performance tuning What you will bring A basic understanding of SQL Server or relational databases Awareness of cloud technologies, ideally Microsoft Azure A genuine willingness ...

Senior Ruby Engineer - £110K

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines, IaC Testing & Quality: RSpec, Capybara, TDD methodologies Security, performance tuning, and system hardening AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling Responsibilities: Provides hands-on technical leadership ...

SC + NPPV3 Cleared Oracle PL/SQL and DBA Support Specialist

Hiring Organisation
Damia Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £595 per day
/SQL packages * Exposure to Unix (the target is Sun Solaris, but any flavour of Unix or Linux is acceptable)' Desirable Skills/Competencies Performance Tuning of SQL and PL/SQL * Advanced PL/SQL techniques (analytical functions, collection handling, bulk processing, objects, LOBs) * Experience of Oracle ...

Principal Database Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Sheffield, England, United Kingdom
deployed on IaaS or part of DBaaS. Strong understanding of consumer use case and how databases infrastructure capabilities work.• Expertise in infrastructure components, performance tuning, and capacity planning.• Understanding of, and hands on experience of, micro services, software development, infrastructure automation, api development and basic application system ...

Senior Software/Applications Developer

Hiring Organisation
ECS
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£65,000
stakeholders to understand requirements, provide technical guidance, and deliver pragmatic solutions aligned to business needs. Support and improve existing systems by troubleshooting issues, optimising performance, and enhancing usability and stability. Design and deliver system integrations (APIs, middleware, data exchange), ensuring robustness, security, and effective data flow between platforms. Take … ownership of database performance, including schema design, query optimisation, indexing strategies, and data integrity. Manage and support data processes such as imports, exports, transformation, and reconciliation across multiple systems. Contribute across the full development lifecycle, including design, development, testing, deployment, and ongoing support. Support release management, version control ...

Senior Software/Applications Developer

Hiring Organisation
17918
Location
Cheltenham, Gloucestershire, United Kingdom
stakeholders to understand requirements, provide technical guidance, and deliver pragmatic solutions aligned to business needs. Support and improve existing systems by troubleshooting issues, optimising performance, and enhancing usability and stability. Design and deliver system integrations (APIs, middleware, data exchange), ensuring robustness, security, and effective data flow between platforms. Take … ownership of database performance, including schema design, query optimisation, indexing strategies, and data integrity. Manage and support data processes such as imports, exports, transformation, and reconciliation across multiple systems. Contribute across the full development lifecycle, including design, development, testing, deployment, and ongoing support. Support release management, version control ...

MongoDB SRE: Build Resilient, Automated Systems

Hiring Organisation
Jobleads-UK
Location
Knutsford, England, United Kingdom
Join our team as aMongoDB Site Reliability Engineer, where you'll be at the forefront of designing and maintaining robust, high-performance systems that power critical financial services. In this dynamic and fast-paced environment, your role will be essential to ensuring our infrastructure remains resilient, secure, and scalable. … should have experience with: Working in Site Reliability Engineering, DevOps, and MongoDB administration in financial services. Using MongoDB features like replicaset, sharding, backups, performance tuning, and shell scripting. Writing scripts in Python or Bash to automate tasks and reduce manual work. Some other highly valued skills may include ...

.NET Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Exeter, Devon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
reviews and contribute to best practices and coding standards Troubleshoot, debug, and optimise existing applications Contribute to continuous improvement of development processes and system performance Essential Skills & Experience Strong hands-on experience with C# Proven experience working wi th .NET C ore in a commercial environment Solid understanding … frontend development Working knowledge of Azure Blob Stor age or similar cloud storage solutions Strong experience wi th SQL databa ses (query writing, performance tuning) Experience building scalable and maintainable web application Ability to work independently in a fast-paced environment Desirable Skills Experience w ith Angul ...

Tagetik Developer

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£0.00 - £428.50 per day
optimize Tagetik Excel reports , including: Matrix Reports SQL Query Reports Write, optimize, and troubleshoot SQL code , including: Stored procedures Data transformation logic Query performance improvements Support ongoing system enhancements and production issues Collaborate with internal stakeholders to deliver robust financial and reporting solutions Required Experience Minimum 2+ years … based) Solid working knowledge of SQL , including coding and troubleshooting Proven hands-on development experience (priority focus) Desirable Skills Additional depth in SQL performance tuning and advanced query design Experience working in Insurance or Financial Services sectors (advantageous but not essential ...

Tagetik Developer

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £428/day
optimize Tagetik Excel reports , including: Matrix Reports SQL Query Reports Write, optimize, and troubleshoot SQL code , including: Stored procedures Data transformation logic Query performance improvements Support ongoing system enhancements and production issues Collaborate with internal stakeholders to deliver robust financial and reporting solutions Required Experience Minimum 2+ years … based) Solid working knowledge of SQL , including coding and troubleshooting Proven hands-on development experience (priority focus) Desirable Skills Additional depth in SQL performance tuning and advanced query design Experience working in Insurance or Financial Services sectors (advantageous but not essential ...

Snowflake (Cortex) Platform Engineer - Insurance

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£750 - £860 per day
business-critical Snowflake platform, ensuring it remains secure, scalable, high-performing, and well-governed across the organisation.Key Responsibilities Own Snowflake platform administration, performance, and cost optimisation. Manage RBAC, access controls, SSO integrations, and security policies. Implement data masking, row-level security, audit logging, and network controls. Deliver platform upgrades … architecture. Essential Skills Strong enterprise Snowflake administration experience. Cortex AI Expertise in Snowflake security, RBAC, governance, and access management. Experience with warehouse management, performance tuning, and cost optimisation. Strong SQL skills and knowledge of Account Usage and Information Schema. Terraform (or similar Infrastructure-as-Code tooling). Cloud ...