22 of 22 Contract Performance Optimisation Jobs in the UK excluding London

Senior Frontend Developer

Hiring Organisation
Lorien
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
Role Our client is seeking a Senior Frontend Engineer to join their Product Development team. In this hands-on role, you'll build high-performance, customer-facing applications for kiosk systems. You'll help shape frontend architecture, mentor junior engineers, and drive best practices across the team, focusing … technical excellence, collaboration, and continuous improvement. Key Responsibilities Develop and maintain React/TypeScript applications using modern frameworks Architect scalable, maintainable frontend systems with performance and accessibility in mind Drive improvements in code quality, testing, and tooling Champion responsive design and performance optimisation Collaborate with DevOps ...

Front End Developer

Hiring Organisation
Intellectual Property Office
Location
Newport, Gwent, Wales, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£45,000
reach a common understanding of acceptance criteria, the code base and test coverage Assist in Implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Proactively investigate problems and opportunities in existing processes, evaluating and communicating findings and recommendations to stakeholders Identify and manage ...

Web GIS Lead

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £390 to £400 per day
spatial indexing, database optimization, and schema design Familiarity with cloud environments such as AWS, Azure, or equivalent platforms Experience with infrastructure monitoring tools and performance optimization Additional Competencies Strong problem-solving and analytical skills Ability to work independently and manage multiple priorities Experience supporting team members ...

Website Designer- Contractor

Hiring Organisation
CarFinance 247
Location
Manchester, North West, United Kingdom
Employment Type
Contract
refine briefs and user journeys. Create wireframes, prototypes, and design mock-ups using tools like Figma, Adobe XD, or Sketch. Optimise designs for performance, accessibility, and mobile responsiveness. Stay up-to-date with current design trends, technologies, and UX best practices. Contribute creative ideas About You Skills & Experience Essential …/CSS principles. Excellent communication and presentation skills. Strong attention to detail and ability to manage multiple projects simultaneously. Desirable: Understanding of SEO and performance optimisation from a design perspective. Experience in design of car dealership websites About Us Subsidised Onsite Parking. Free fruit, barista bar and juice ...

Business Intelligence Analyst

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £348 per day
organisation has a consistent, trusted reporting ecosystem. What you'll need to succeed Technical Skills: Strong experience in Power BI: data modelling, DAX, performance optimisation, and dashboard design. Hands-on experience with Google Cloud Platform (GCP), ideally BigQuery. Proficiency in SQL for data transformation and optimisation. Experience with ...

C# Python Developer

Hiring Organisation
Morson Edge
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£25 - 30 per hour + None
Python programming - Experience in algorithm development for civil engineering execution studies - Knowledge of object-oriented programming, C# Open API, and VBA - Skills in performance optimization and large-scale data processing - Familiarity with 3D modelling libraries and tools (Tekla Structures) - Experience with GitLab version control platform - Solid understanding ...

Data Scientists x 3

Hiring Organisation
Hays Specialist Recruitment Limited
Location
West Drayton, Middlesex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £1,000 per day
good where you have worked in optimisation. Aviation operational environment would be the pinnacle! We want Data Scientists that have experience building an optimisation model. Are you trying to maximise or minimise cost? What are you trying to do? This is the balance of art and science. You must … have the knowledge to look at what algorithm is correct and work out the constraints of the optimisation project. You will design and implement predictive and prescriptive models for Maintenance, Repair, Overhaul AI Solutions. Performing exploratory data analysis and feature engineering. Collaborate with Data Engineers to ensure data readiness ...

Data Scientist

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Python and ML frameworks (TensorFlow, PyTorch). Strong statistical and analytical skills. Experience with a wide range of Data Science techniques (e.g. ML, Optimisation, Simulation, GenAI, etc.). Demonstrated ability to take models from design through to production deployment, including performance optimisation, monitoring, and integration into business ...

Viva Consultant - £500PD Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
accuracy, security, and compliance with organisational policies and privacy standards. Document data models, definitions, and analytics logic to support transparency and reuse. Continuously improve performance, reliability, and scalability of analytics solutions. Skills & Experience Strong experience designing and delivering analytics solutions end-to-end, including both strategy and implementation. Hands … expertise with Power BI (data modelling, DAX, visual design, performance optimisation). Experience working with Microsoft 365 data, ideally including Microsoft Graph and Viva Insights. Ability to define KPIs and analytics frameworks in ambiguous or evolving environments. Proven ability to engage stakeholders, influence decisions, and drive alignment. Strong ...

Full-Stack Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £550 to £600 per day
other database services for data storage and management. Build RESTful APIs and implement API management and security using Azure API Management or similar tools. Performance Optimization and Monitoring: Identify performance bottlenecks and optimize application performance using Azure diagnostics and monitoring tools, such as Azure Monitor, Application Insights ...

Full Stack Developer .NET

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £400 to £550 per day
other database services for data storage and management Build RESTful APIs and implement API management and security using Azure API Management or similar tools Performance Optimization and Monitoring: Identify performance bottlenecks and optimize application performance using Azure diagnostics and monitoring tools, such as Azure Monitor, Application Insights ...

Data Architect

Hiring Organisation
Tenth Revolution Group
Location
Warwickshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
/ELT processes and ensure data quality and governance Collaborate with engineering teams to implement robust data pipelines Provide guidance on monitoring and performance optimisation Key Skills & Technologies Cloud: Azure Data Warehousing: Snowflake ETL & Orchestration: Azure Data Factory (ADF), DBT Programming: Python Monitoring: Prometheus Data Engineering: ETL/ ...

Identity Solution Engineer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £515 per day
Server 2022 , Active Directory (AD) , and Active Directory Federation Services (ADFS) . Work from detailed solution designs to deploy and integrate identity components, ensuring performance, resilience, and compliance with security standards. Configure and maintain federation services with other on-premise identity providers, supporting secure authentication and trust relationships. Implement … Participate in testing, validation, and transition to operations , ensuring readiness for live support. Provide ongoing operational support, including incident resolution, change management, patching , and performance optimisation . Drive continuous improvement , identifying opportunities for automation, hardening, and enhanced monitoring of identity services. Essential Skills and Experience Previous experience working ...

Storage Senior NAS SME

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
/summary Storage - Strong File storage and virtualisation knowledge, provisioning and migration knowledge Provide architectural guidance and leadership for enterprise NAS platforms, migrations, and performance engineering. Key Responsibilities: Set standards for NFS/SMB services, security models, and automation. Lead large-scale migrations and performance optimisation initiatives. ...

Senior Full Stack Engineer – FX e-trading – Java / React

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £900 per day
About the role Help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure systems. Partner closely with product, trading, and infrastructure teams to deliver features end-to-end—from UI and desktop container experiences … drive state management, data visualization, and UX for trading workflows. Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling. Establish engineering best practices: code standards, testing strategies (unit/integration/E2E), CI/CD, secure coding, and release management. Mentor engineers ...

FX e Trading Senior Full Stack Engineer (React TypeScript + Java)

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£759 - £900 per day
About the role Help architect and build a new FX e-trading platform from the ground up, working across the stack to deliver high-performance, resilient, and secure systems. Partner closely with product, trading, and infrastructure teams to deliver features end-to-end—from UI and desktop container experiences … drive state management, data visualization, and UX for trading workflows. Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling. Establish engineering best practices: code standards, testing strategies (unit/integration/E2E), CI/CD, secure coding, and release management. Mentor engineers ...

UI Engineer

Hiring Organisation
Pontoon
Location
Warwick, Warwickshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
shared design system. Write clean, modular, and testable front-end code that adheres to best practices and accessibility standards (WCAG 2.1). Optimize application performance and load times through efficient front-end architecture and code-splitting techniques. Conduct code reviews and provide constructive feedback to peers, contributing to front … Familiarity with state management libraries and component-based architectures. Experience with design systems and tools such as Figma or Storybook. Solid understanding of web performance optimization, testing (unit, integration, and end-to-end), and cross-browser compatibility. Knowledge of front-end tooling and bundlers like Webpack or Vite. Familiarity ...

OpenShift Architecture and Migration Design Specialist

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £520 per day
environments. oLeverage VMware tools (e.g., vSphere, vCenter, NSX) to optimize OpenShift deployments. oConfigure and manage Pure Storage solutions (e.g., FlashArray, FlashBlade) to provide high-performance, scalable storage for OpenShift workloads. oEnsure compatibility and performance optimization between OpenShift, VMware, and Pure Storage. 4.CI/CD Pipelines and DevOps Workflows ...

L3 Support Engineer Dot Net

Hiring Organisation
Stackstudio Digital Ltd
Location
Livingston, West Lothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Engineer Retail domain The Role Dot Net Support Engineer L3 Support Dot Net (C#, VB.Net); JavaScript; Advanced SQL; REST APIs; Code-level debugging; Performance tuning; Incident/Problem/Change Management; Scripting (PowerShell/Shell); Application Monitoring Your Responsibilities Provide advanced L3 support for .Net and JavaScript-based applications … dive analysis and resolve complex incidents within SLA Debug code-level issues and collaborate with engineering teams for permanent fixes Drive systemic improvements and performance optimization Support releases, UAT, and go-lives; maintain change quality and documentation Partner with upstream and downstream teams to ensure service continuity Your Profile ...

Senior SAN Storage SME

Hiring Organisation
eTeam Inc
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
operations within the OpenShift infrastructure migration project. This role will ensure that storage solutions are designed, implemented, and optimized to meet the bank's performance, scalability, and compliance requirements across multi-cloud, hybrid, or on-prem environments. Additionally, the SME will bring deep expertise in Pure Storage technologies … enable high-performance, reliable storage integration with containerized workloads. Key Responsibilities: Define storage architecture strategy for OpenShift clusters and workloads, incorporating Pure Storage best practices. Advise on storage provisioning, performance tuning, and capacity planning for Pure Storage arrays. Serve as the go-to expert for storage-related issues ...

AWS Support Engineer / Data Engineer Telecom Domain

Hiring Organisation
Stackstudio Digital Ltd
Location
Ipswich, Suffolk, East Anglia, United Kingdom
Employment Type
Contract
Contract Rate
£70,000
structured telecom datasets (CDRs, network logs, subscriber data) Data Lake Technologies: Expertise in Apache Iceberg table format Schema evolution, partitioning, compaction & metadata management Query performance tuning with Athena & Redshift Spectrum Redshift Expertise: Data modeling, distribution styles, sort keys Workload management (WLM) Performance optimization & troubleshooting Python: Automation scripts Data … processing workflows Monitoring, debugging, validation scripts AWS Support/Operations: Troubleshooting ETL failures, performance bottlenecks, pipeline issues Monitoring cloud workloads (CloudWatch, CloudTrail) Handling incidents, root-cause analysis (RCA), patching & releases Cost optimization and resource usage tracking Telecom Domain: Experience with OSS/BSS systems Understanding of CDR processing, network ...

Platform / Product Manager - Technical, Stakeholder, Retail

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £800 per day
platforms. This role sits at the intersection of product, technology, and delivery, acting as the custodian of platform capabilities that underpin browser experience, site performance, and cross-channel consistency. You will be ensuring the various product teams, who work very closely with the overall platform team, are aligned … What You'll Be Doing Own and evolve the platform product strategy and roadmap for digital experience technologies, with a strong focus on browser performance, site speed, and user experience . Act as the product custodian for shared digital platforms used across web and mobile experiences. Work closely with ...