76 to 100 of 188 Permanent Performance Tuning Jobs

Senior Full Stack Engineer - Java Script

Hiring Organisation
Presight
Location
City of London, London, United Kingdom
Kubernetes to join our dynamic team. In this role, you will design, develop, and deploy scalable applications, focusing on real-time features, high-performance frontends, and robust backend services. If you have a passion for building enterprise-level solutions with modern technologies, we want to hear from … Responsibilities Design and develop scalable backend services and microservices using Node.js Build high-performance, responsive user interfaces with React and TypeScript Implement real-time features using WebSockets (live updates, notifications, streaming) Integrate and optimize Elasticsearch for advanced search, indexing, aggregation, and data retrieval in large-scale systems Deploy ...

Power BI Optimisation Lead

Hiring Organisation
Sellick Partnership
Location
Newcastle upon Tyne, Tyne and Wear, Tyne & Wear, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
create a well-governed and scalable reporting environment. Key Responsibilities: Defining enterprise-wide publishing protocols and benchmarks Lead centralised data sourcing strategies to elevate performance at scale. Lead proactive auditing and monitoring of Power BI model performance, resource utilisation and refresh cycles. Develop and embed reusable model templates … embed Power BI optimisation standards across teams. Who are we looking for: Experience in Power BI optimisation and development, inclusive of model design, performance tuning and capacity management. Expertise in Power BI architecture, capacity planning and performance tuning. Experience in auditing Power BI environments, identifying inefficiencies ...

Mid-Level Data Engineer

Hiring Organisation
Big Sky Additions Ltd
Location
Norwich, Norfolk, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
shaping and optimising how data is extracted, structured, and delivered to clients. You’ll be involved in building efficient data models, improving query performance, and developing bespoke dashboards that provide real commercial value. Key Responsibilities Design and maintain datasets and customer-facing dashboards Write, optimise and maintain complex … queries (PostgreSQL/MS SQL) Collaborate with internal teams to deliver tailored data solutions Support performance tuning and identify database improvements Work closely with front-end and back-end developers to ensure seamless integration Contribute to continuous improvement of systems, tools, and processes Produce clear technical documentation Participate ...

Quantitative Developer

Hiring Organisation
Provn
Location
Greater London, England, United Kingdom
traders. This is a high-impact opportunity suited to engineers who thrive in complex, fast-paced environments - individuals who enjoy building distributed systems, optimising performance, and taking ownership of critical trading infrastructure. Key Responsibilities: Design, build, and enhance core trading and research platforms supporting: Strategy research and backtesting workflows … production-ready systems Contribute to the design and implementation of distributed, event-driven architectures using technologies such as Kafka and containerised environments Optimise system performance across both research and live trading environments, focusing on latency, throughput, and scalability Take ownership of production systems, including: Monitoring and reliability improvements Troubleshooting ...

Senior Data Engineer

Hiring Organisation
Venturi
Location
United Kingdom
will: Design, develop, and support complex data pipelines and platforms (e.g., Databricks, Data Factory, Fabric, Synapse, SQL pools). Ensure solutions meet standards for performance, scalability, security, and maintainability. Provide technical guidance and contribute to architecture and solution design. Remain hands-on with complex or critical technical challenges. Contribute … with cloud-based data platforms and tooling (e.g., Databricks, Data Factory, Fabric, Data Lake, DevOps). Proficiency in Python, Spark, and SQL. Experience with performance tuning and optimisation. Understanding of distributed systems, security, governance, and networking. Consultancy & Collaboration Skills Comfortable in client-facing environments. Ability to translate technical ...

Senior.NET Developer (Healthcare Technology)

Hiring Organisation
Primary Eyecare Services
Location
Manchester, M4 6LN, United Kingdom
Salary
£60000.00 to £75000.00
development opportunities Employee recognition awards Employee Assistance Programme (EAP) NHS Blue Light Card Hybrid working (60% home, 40% office) Cycle to Work scheme Performance-related pay Job description Job responsibilities Role Purpose Reporting to the Digital Product Lead, we are seeking a passionate and detail-oriented Senior .NET Developer … Computer Science, Software Engineering, or a related field (or equivalent experience). Significant experience building cloud-hosted .Net services at scale, including architecture, performance tuning and production operations. Deep proficiency in C# and the .NET framework (.NET Core or .NET 6+ preferred). Solid understanding of object-oriented ...

AWS Solution Architect (Senior Manager) London

Hiring Organisation
Anson Mccade
Location
United Kingdom
Employment Type
Permanent, Work From Home
Solution Architect (Senior Manager) - London £Up To £115,000 GBP Performance Bonus Hybrid WORKING Location: UK Wide , Central London, Greater London - United Kingdom Type: Permanent AWS Solution Architect (Senior Manager) - London Location: London, UK Salary: Up to £115,000 Hiring on behalf of: A confidential global technology & consulting client … design, and hybrid connectivity Non-Functional Requirements Expert in designing highly available, fault-tolerant and resilient systems Experience with observability, monitoring, disaster recovery and performance tuning Governance & Compliance Knowledge of cloud governance, cost allocation, account management, and auditing Desirable Experience AWS Specialty certifications (Security, Networking, Machine Learning) Experience ...

Oracle ADW Developer (SC Cleared)

Hiring Organisation
Syntax Consultancy Limited
Location
Southampton, UK
needs. Providing Production Support for existing live Oracle OAS, ODI and data warehouse objects. Resolving data, ETL + reporting issues to ensure system stability. Performance tuning of RPD objects, ODI mappings, queries + reports. xkybehq Active SC Clearance is essential for this contract. ...

AWS Data Engineer

Hiring Organisation
Peaple Talent
Location
City of London, London, United Kingdom
with a focus on: AWS RDS (SQL Server & Aurora PostgreSQL) Building and operating data pipelines (incl. Snowflake integration) Leading SQL Server migrations to AWS Performance tuning, monitoring & optimisation You’ll work closely with cloud, engineering and application teams, playing a key role in shaping database standards and architecture ...

ADW Developer

Hiring Organisation
Sanderson Government and Defence
Location
Andover, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£400 - £450 per day
Provided production support for existing live OAS, ODI, data warehouse objects. Analysed and resolved data, ETL, and reporting issues to ensure system stability. Performed performance tuning of RPD objects, ODI mappings, queries, and reports. Maintained and documented standard processes, procedures, and technical documentation. Reasonable Adjustments: Respect and equality ...

BI Developer

Hiring Organisation
Tenth Revolution Group
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
work is solid, meaningful and hands-on, this will appeal. You Will Work With Developing and optimising SQL databases (T-SQL, stored procedures, indexing, performance tuning) Building and maintaining SSIS packages Designing and delivering on-prem ETL processes Data modelling and dimensional modelling Contributing to ongoing data warehouse ...

Senior.NET Developer (Healthcare Technology)

Hiring Organisation
Primary Eyecare Services
Location
Manchester, England, United Kingdom
Computer Science, Software Engineering, or a related field (or equivalent experience). Essential Significant experience building cloud-hosted .Net services at scale, including architecture, performance tuning and production operations. Essential Experience working with healthcare data formats or open standards (e.g., HL7, FHIR, openEHR). Desirable Experience with Azure ...

Senior Systems Analyst

Hiring Organisation
Ideal Personnel & Recruitment Solutions Limited
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
business or systems analysis within an ERP centric environment. Hands on experience with enterprise resource planning systems Relational database experience e.g. writing queries, and performance tuning. Systems integration, API’s and data flows between enterprise platforms. Communication and stakeholder engagement skills with a customer driven approach. The ability ...

Senior Vmware Engineer (Security)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£520 per day
initiatives.The contractor will provide advanced engineering expertise across VMware Cloud Foundation (VCF), VMware ESXi, VMware vSphere, and VMware NSX-T, ensuring stability, scalability, and performance of mission-critical academic and research systems. Scope of Work Provision, configure, and manage Linux and Windows VMs in enterprise clusters. Deploy and manage … vMotion. Design and manage network virtualisation using VMware NSX-T. Perform VM lifecycle management (build, template creation, cloning, migration, decommissioning) Conduct performance monitoring, capacity planning, and resource optimisation. Support storage integration (SAN/NAS/vSAN) and ensure optimal IOPS performance. Implement and support backup, replication, and disaster recovery ...

SQL Systems Engineer

Hiring Organisation
Picture More
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £95,000 per annum
role focused on managing and optimising enterprise database environments that underpin critical business systems. The role: Manage and maintain Microsoft SQL Server environments Troubleshoot performance issues and optimise queries Work with HA/DR technologies (AlwaysOn, replication, mirroring, log shipping) Support data integrations across firm systems Work with … SSRS, Power BI) Support applications sitting on SQL, including document management systems What they’re looking for: 5+ years SQL Server DBA experience Strong performance tuning and troubleshooting skills Experience with SQL Server high availability technologies Exposure to Azure SQL/cloud platforms Experience in legal or professional ...

DevOps Engineer

Hiring Organisation
Logistex
Location
Kettering, North Northamptonshire, Northamptonshire, United Kingdom
Employment Type
Permanent
releases Develop scripts and tools (e.g., Ansible) to automate operational tasks and infrastructure provisioning Implement monitoring and alerting systems to ensure application health and performance Manage infrastructure across on-premises and cloud environments (AWS, Azure) Ensure security compliance and implement best practices for applications and infrastructure Collaborate with internal … Engineering, or Site Reliability Engineering Strong Linux system administration and networking skills Experience with Docker and containerised deployments Familiarity with PostgreSQL database management and performance tuning Knowledge of backup/DR, load testing, and server hardening Apply now to be part of our growing team ...

System Technical Support

Hiring Organisation
Geek+
Location
Warrington, England, United Kingdom
automated and intelligent supply chain globally. Responsibilities: Conduct in-depth troubleshooting and resolution of complex technical issues escalated from L1 support, including system anomalies, performance bottlenecks, and integration failures Prepare detailed technical case studies and solution documentation, and continuously improve the team knowledge base Collaborate on system upgrades, working … automation, WMS systems, or large-scale internet system support -Proficient in MySQL Database: Skilled in SQL optimization, transactions, locking mechanisms, with substantial experience in performance tuning and troubleshooting. Proficient in Linux OS: Familiar with Shell scripting, and adept at using various commands and tools for system diagnostics Solid ...

Magento Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
United Kingdom
Employment Type
Permanent
Magento expert with a decade of experience in architecting, developing, and optimizing large scale e-commerce platforms. Skilled in Magento 2 custom module development, performance tuning, and complex third-party integrations. Leads technical strategy, solution design, and best practice implementation across multi-store and multi-region setups. Experienced … project lifecycles, including requirement analysis, sprint planning, and release management. Collaborates closely with cross functional teams to deliver scalable, secure, and high-performance solutions Your Responsibilities (Up to 10, Avoid repetition) Own solution architecture: Design scalable Magento 2/Adobe Commerce architectures (B2C/B2B), define module boundaries, integration ...

Administrator

Hiring Organisation
Response Informatics
Location
United Kingdom
/CD tools (Azure DevOps, Jenkins, GitLab, GitHub Actions). • Familiarity with enterprise monitoring tools (Splunk, Dynatrace, Nagios, etc.). • Strong expertise in troubleshooting, performance tuning, and platform optimization. • Understanding of networking fundamentals, firewalls, and load balancing. • Excellent communication and stakeholder management skills. ...

BI Developer

Hiring Organisation
Tenth Revolution Group
Location
Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
delivering ETL processes Performing data modelling and dimensional modelling Supporting and enhancing the on-prem data warehouse Handling ad-hoc support, troubleshooting, and performance tuning Required Experience Expert SQL/T-SQL Strong SSIS experience Data modelling Dimensional modelling Hands-on data warehouse development Benefits & Package ...

BI Developer - March 2026

Hiring Organisation
Tenth Revolution Group
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
delivering ETL processes Performing data modelling and dimensional modelling Supporting and enhancing the on-prem data warehouse Handling ad-hoc support, troubleshooting, and performance tuning Required Experience Expert SQL/T-SQL Strong SSIS experience Data modelling Dimensional modelling Hands-on data warehouse development Benefits & Package ...

BI Developer - March 2026

Hiring Organisation
Tenth Revolution Group
Location
Bracknell, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
delivering ETL processes Performing data modelling and dimensional modelling Supporting and enhancing the on-prem data warehouse Handling ad-hoc support, troubleshooting, and performance tuning Required Experience Expert SQL/T-SQL Strong SSIS experience Data modelling Dimensional modelling Hands-on data warehouse development Benefits & Package ...

Senior .NET Developer (MAUI / Mobile)

Hiring Organisation
Partnerscale
Location
Bicester, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
building Android apps with .NET MAUI or Xamarin.Forms Good OOP and software design skills, comfortable thinking about architecture Solid Entity Framework Core knowledge including performance tuning Strong SQL across SQL Server or Azure SQL Git-based collaborative working Some experience with automated testing Keywords: C# | .NET | ASP.NET Core ...

Software Developer

Hiring Organisation
Ashdown Group
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
back end) version 11 onwards Understanding of data security and compliance, including ISO27001 or secure coding practices SQL Server development skills (stored procedures, triggers, performance tuning) Experience with SSRS reporting Exposure to IIS, HTML, CSS, or web-based systems ...

Application Support & Developer

Hiring Organisation
Ashdown Group
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
back end) version 11 onwards Understanding of data security and compliance, including ISO27001 or secure coding practices SQL Server development skills (stored procedures, triggers, performance tuning) Experience with SSRS reporting Exposure to IIS, HTML, CSS, or web-based systems ...