1 to 25 of 27 Contract Performance Optimisation Jobs in the UK excluding London

Performance Test Lead/Performance Engineer - SC Cleared Location: London or Leeds (50% onsite) Contract: 12 Months Rate: £300 per day Start: 1st October 2026 We're recruiting a Performance Test Lead to join a major transformation programme. This is a Performance Engineering role … traditional performance testing position. Essential Skills: 5+ years' Performance Testing/Engineering JMeter and/or LoadRunner Performance analysis & bottleneck identification NFR definition and performance strategy Azure, AWS or GCP performance testing Dynatrace or New Relic Grafana & Splunk Python Scripting Jenkins/GitHub Actions ...

Lead to join a large-scale enterprise transformation programme , taking ownership of the non-functional testing strategy across multiple workstreams. You'll lead the Performance Testing and Operations Acceptance Testing (OAT) teams, ensuring the platform is resilient, scalable and ready for production. This is a key leadership role, working … closely with engineering, architecture and delivery teams to drive performance, operational readiness and continuous improvement throughout the programme lifecycle. Key Responsibilities Define and own the end-to-end non-functional testing strategy across the programme. Lead the Volume & Performance Testing and Operations Acceptance Testing (OAT) teams. Establish performance ...

role is ideal for someone who thrives in collaborative engineering environments, enjoys solving complex problems, and is passionate about building scalable, secure, and high-performance applications. Key Responsibilities Develop high-quality software for client projects, working individually or as part of a development team Collaborate with technical leads … experience with Git and open-source platforms (GitHub/GitLab) Ability to build and deploy scalable applications or libraries Strong debugging, problem-solving, and performance optimisation skills Understanding of open-source licensing (MIT, GPL, Apache) Experience with cloud platforms such as AWS or Azure Ability to create clear ...

Supporting modern Lakehouse architecture, ingestion, processing and data serving layers Embedding security, governance and compliance controls across the platform Driving platform observability, monitoring, and performance optimisation Owning aspects of cost management (FinOps) and platform efficiency Collaborating with Data Engineers, Analytics & AI teams to deliver trusted data products What ...

platform and application lifecycle. Experience developing and maintaining 5250-based business applications. Experience with DB2 for i database development and performance optimisation. Ability to design and build integrations using REST APIs. Experience working with JSON and XML data formats. Knowledge of CL programming and IBM i operational processes. Experience ...

datasets. Ability to navigate complex database schemas and understand data relationships. Experience writing and optimising complex joins. Understanding of database indexing strategies and query performance optimisation. Experience interrogating large volumes of data to identify issues and uncover insights. Strong understanding of data validation and reconciliation techniques. Python Experience using ...

Testers and other stakeholders Designing and delivering enterprise web applications and microservices Producing and contributing to solution and architecture designs Supporting CI/CD, performance optimisation and cloud deployments Driving best practice across development and delivery What we're looking for Java 8+ Spring Boot/Spring Framework …/or MongoDB Jenkins, Maven, CI/CD Git Agile/Scrum experience Client-facing experience Experience producing High Level Designs and architecture artefacts Performance monitoring tools (e.g. Glowroot, JProfiler) desirable Nice to have: React, Node.js, FreeMarker, Ruby, Gradle, Ansible, GoCD. If you're interested in this role, click ...

capability. Daily : Participate in stand-ups, perform unit testing, submit and review pull requests, conduct code reviews, resolve defects, reduce technical debt, monitor system performance, contribute to design work, and collaborate through katas and pair programming. What We're Looking For A degree in Computer Science or a closely … write efficient, optimised queries and collaborate effectively with database specialists. Experience implementing and maintaining automated tests, including unit and integration testing. Knowledge of software performance optimisation, profiling and troubleshooting techniques. Experience mentoring and coaching engineers at different stages of their careers. Ability to foster a collaborative team culture ...

website. Work closely with Marketing, UX and Product teams to deliver a modern, engaging digital experience. Optimise the website for SEO and Answer Engine Optimisation (AEO), ensuring content is discoverable across AI search platforms and large language models. Integrate third-party platforms including HubSpot, Google Ads and other marketing … technologies. Implement custom WordPress development where required to support new business initiatives. Manage website performance, security and CDN configuration, including Cloudflare and cookie consent solutions. Support the launch of new AI-driven products and API offerings by delivering new website functionality and landing pages. Monitor website performance ...

reusable BI solutions that enable self-service analytics Work with large, complex datasets to deliver meaningful business insights Drive BI best practice, governance and performance optimisation Help embed AI-powered analytics and GenBI capabilities across the organisation Key Requirements Strong commercial experience with Looker and LookML Exposure ...

CMS. Work with stakeholders to translate business requirements into technical solutions. Deliver integrations with third-party platforms, APIs and enterprise systems. Support platform upgrades, performance optimisation and technical improvements. Contribute to CI/CD pipelines, automated deployments and development best practices. Collaborate with UX, content and product teams ...

Integration SaaS platform integrations API connectivity Data ingestion & transformation Data quality and governance Reporting & Analytics Interactive dashboards Operational reporting KPI development Self-service reporting Performance optimisation What You'll Be Doing Review and optimise an existing Microsoft Fabric and Lakehouse environment Assess current data models, semantic models … processes and reporting architecture Recommend improvements around performance, scalability, governance and security Integrate data from multiple business systems and APIs Design and develop operational reports and interactive Power BI dashboards Build robust data models, measures and KPIs Work directly with stakeholders to gather requirements and translate business needs into ...

from Dynamics 365/Dataverse (tables, relationships, option sets, including custom tables) Delivered reporting for Customer Service/Contact Centre : cases, queues, SLAs, agent performance, call statistics. Data extraction/refresh patterns from Dataverse (e.g., connector/TDS/Synapse Link/Fabric ) and shaping for analytics Implements … governance, and performance optimisation (model + measures) Can translate service ops needs into clear KPIs, definitions, and usable dashboards Nice to Haves Knowledge of Omnichannel/contact centre metrics (e.g., FCR, AHT, backlog/aging) Broader Power Platform exposure (Power Apps/Automate) and how it impacts data ...

from Dynamics 365/Dataverse (tables, relationships, option sets, including custom tables) Delivered reporting for Customer Service/Contact Centre : cases, queues, SLAs, agent performance, call statistics. Data extraction/refresh patterns from Dataverse (e.g., connector/TDS/Synapse Link/Fabric ) and shaping for analytics Implements … governance, and performance optimisation (model + measures) Can translate service ops needs into clear KPIs, definitions, and usable dashboards Nice to Haves Knowledge of Omnichannel/contact centre metrics (e.g., FCR, AHT, backlog/aging) Broader Power Platform exposure (Power Apps/Automate) and how it impacts data ...

ADDM) and CMDB data models. Configure workflows, approvals, SLAs, OLAs, escalations and automation rules. Provide Level 3 production support, platform administration, upgrades, patching and performance optimisation. Work closely with business stakeholders, Solution Architects and Service Management teams to deliver scalable ITSM solutions aligned with ITIL v4. Produce technical documentation ...

deliver new features, improve existing components and help shape front-end development standards. You will also take ownership of the front-end build pipeline, performance optimisation and our design system. Key Responsibilities Take ownership of the front-end codebase, including maintaining, refactoring and extending UI components. Develop pixel … help improve development standards and component architecture. Collaborate with back-end developers on API integration and data-fetching approaches. Monitor and optimise front-end performance, including Core Web Vitals, bundle size, lazy loading and rendering. Contribute to the ongoing development and maintenance of the product's design system ...

stability. Supporting and optimising VMware virtual infrastructure across production environments. Maintaining enterprise backup, recovery and disaster recovery capabilities using industry-leading technologies. Monitoring infrastructure performance and proactively resolving capacity, availability and resilience issues. Administering Microsoft 365 services and supporting hybrid infrastructure technologies. Managing Active Directory, Group Policy, identity administration … network and security estate, including: Enterprise switching and routing Firewall administration DNS, DHCP and TCP/IP services Secure remote connectivity Network monitoring and performance optimisation Endpoint protection technologies Vulnerability management Security monitoring platforms Certificate and encryption management Technical Environment You'll have strong experience across most ...

life safety systems across the estate. Provide governance, assurance and compliance oversight for critical life safety infrastructure. Lead the management and performance assurance of systems including: Fire detection and alarm systems Fire suppression (gas suppression, sprinklers) Emergency and escape lighting Smoke control and pressurisation systems Oxygen depletion monitoring systems … lifecycle planning, investment decisions and budget planning . Deliver training, guidance and competency development for engineers, contractors and stakeholders. Drive continuous improvement, resilience and performance optimisation across life safety systems. What they are looking for Significant experience managing life safety systems in complex, high-risk or highly regulated ...

consolidation of real-time analytics platforms onto a scalable architecture. Enhance and optimise the lakehouse environment, including schema management, data contracts, partitioning strategy, and performance optimisation. Build reliable, production-grade data foundations that support analytics, machine learning, and data science initiatives. Establish and promote engineering best practices across infrastructure … with Kubernetes and infrastructure as code approaches. Ability to partner effectively with data scientists, analysts, and business stakeholders. Strong understanding of data platform reliability, performance, scalability, and cost optimisation. Experience with technologies such as ClickHouse, Apache Iceberg, BigQuery, dbt, Elasticsearch, Druid, GCP, or AWS is highly desirable. ...

authentication, authorization, error handling, and backward compatibility. Experience with microservices architectures and the operational challenges of running services at scale. Solid understanding of concurrency, performance optimization, caching, rate limiting, retries, timeouts, and fault tolerance. Experience working with public cloud platforms such as AWS, GCP, or Azure. Experience with … testing, chaos testing, or disaster recovery planning. Experience contributing to architecture standards, engineering best practices, reusable service frameworks, or shared platform components. Experience with performance profiling and optimization for Java or Go services. ...

Linux as part of a wider modernisation programme. Refactor and modernise legacy components while maintaining stability and existing functionality. Build and enhance high-performance, low-latency, server-side systems supporting a live platform. Integrate platform services with AWS where required as part of the wider cloud programme. … Windows and Linux environments is essential. Demonstrable experience modernising, upgrading and maintaining large, legacy C++ platforms. Strong understanding of multithreading, concurrency, memory management and performance optimisation. Server-side development experience with solid networking fundamentals, including TCP. Strong unit testing practices and experience working with CI/CD pipelines. Experience ...

contribute to the ongoing development of the organisation's data capability. What you will be doing as Data Engineer: Lead the design, development and optimisation of enterprise data pipelines and integration solutions. Build and maintain secure, scalable and reliable data platforms to support analytics and reporting. Define and promote … analytics and reporting. Strong understanding of data modelling, ETL/ELT processes and modern data engineering principles. Experience implementing data quality controls, monitoring and performance optimisation. Experience working with the Microsoft data stack, particularly Microsoft Fabric. Experience working with Microsoft Azure and the Microsoft Power Platform would be advantageous. ...

designing, developing and supporting enterprise-scale Power BI semantic models , with a particular focus on semantic model architecture, automated refresh, dataset partitioning, governance and performance optimisation. You must have hands-on experience with: Enterprise Power BI semantic models Advanced DAX, semantic modelling and performance tuning VertiPaq, composite models … aggregations and query optimisation Incremental Refresh and dataset partitioning XMLA Endpoints, Tabular Editor and DAX Studio Power BI Service, governance and Row Level Security (RLS) Strong SQL and dimensional modelling Experience with Power BI Premium, Microsoft Fabric, Python or Financial Services/Risk Reporting would be advantageous. If this ...

COMPANY: This leading retailer is investing heavily in its Retail Media capability and is looking for an experienced Retail Media Analyst to support the optimisation and measurement of media performance across multiple customer touchpoints. This is an opportunity to work with a well-established brand, helping shape … advanced campaign measurement, strategic analysis, and stakeholder consulting. You'll work across a wide range of marketing channels, partnering with commercial teams to optimise performance and drive better business outcomes. Your responsibilities will include: Measure and evaluate the performance of retail media campaigns across multiple channels. Partner with ...

responsible for knitting together data from multiple platforms and sources to create a clear end-to-end view of the customer journey - turning complex performance data into clear, actionable insight that drives commercial impact. Working closely with marketing, product, UX, CRO and journey teams, you will provide analytical expertise … shaping campaign strategy, your insights will directly influence how we attracts and serves business customers online. Key Responsibilities Analyse digital, marketing, and customer journey performance to support business growth objectives. Provide actionable insight on website performance, funnels, conversion rates, and customer behaviour. Support optimisation of journeys, landing ...