1 to 25 of 50 Contract Performance Optimisation Jobs in the UK

Lead Analytics Engineer (Contract)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Doing Hands-on development using SQL, DBT, and Snowflake Implementing, refactoring, and optimising Snowflake data models Creating and maintaining data assets, ensuring performance, quality, and reliability Updating consumers and reviewing code to maintain standards Working within structured project tracking tools (Asana/Jira) Delivering approximately 50 refactorings/migrations … Strong experience in SQL, DBT, and Snowflake Familiarity with dimensional modelling (Kimball methodology preferred) Understanding of building models for large stakeholder groups Experience with performance optimisation, data quality, and query/resource efficiency Comfortable working in a collaborative, fast-moving environment with a growth mindset Experience with startups ...

Senior Machine Learning Engineer

Hiring Organisation
Matchtech
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 78 Hourly
Error Rate (CER) and Word Error Rate (WER) Proficiency in Python and ML frameworks (e.g., TensorFlow, PyTorch) Understanding of ML architectures, hyperparameter tuning, and performance optimisation Experience with MLOps tools and CI/CD pipelines Familiarity with data engineering concepts (ETL, data pipelines, SQL) Ability to analyse complex ...

Python Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £300 to £340 per day
experience with data analytics, visualization, and database systems. Solid understanding of power system modelling, techno-economic simulation, and energy systems. Strong debugging, profiling, and performance optimization skills. Excellent communication and documentation abilities. Experience using Pyomo, AMPL, Gurobi, CPLEX, or similar optimization tools. Working knowledge of containerization and cloud-native ...

Senior Software Engineer

Hiring Organisation
ATA Recruitment
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
supporting a global engineering and technology organisation in the search for a Senior Java Software Engineer (Contractor) to join their Performance Engineering & Research team. This is a fully remote opportunity (UK-based candidates only) working on robust, scalable software that supports sophisticated control algorithms and performance optimisation systems. The Role You will design, build and maintain efficient, high-performance Java applications, contributing across the full software development lifecycle including: Requirements analysis and system design Development and implementation Testing and deployment CI/CD and automation improvements Technical documentation Working under the guidance of the Principal ...

Oracle 11g DBA

Hiring Organisation
BrightBox Group
Location
United Kingdom
Employment Type
Contract
Contract Rate
£500/day
team responsible for maintaining business critical systems operating within a 24 by 7 live service environment. This role focuses on operational stability, incident resolution, performance optimisation and secure database management across a high availability Oracle estate. Responsibilities Provide production support for Oracle 11g databases within … live service environment Diagnose and resolve incidents, including priority and major incidents Perform database performance tuning and optimisation Manage RMAN backup and recovery processes Support Data Guard and disaster recovery arrangements Implement database changes through controlled change management processes Apply security patches and maintain compliance standards Produce ...

Data Engineer - SC Cleared

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
including Azure Databricks, Azure Data Lake Storage, and Azure Data Factory. Advanced proficiency in SQL, Python, and Spark (PySpark), with a strong focus on performance optimization and distributed processing. Proven experience in CI/CD practices using industry-standard tools (e.g., GitHub Actions, Azure DevOps). Strong understanding ...

Senior Front-End Developer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
London, United Kingdom
Employment Type
Contract
into technology direction, innovation strategy and creative execution. You will operate as a senior technical voice within the business, translating conceptual ideas into high-performance digital experiences while influencing architectural and technology decisions across a range of complex projects. NB: This role is remote-first, with collaborative in-person … feasibility, innovation opportunities and implementation approaches Senior Front-End Engineering Own the front-end architecture and delivery across complex digital builds Develop sophisticated, high-performance interfaces using React, TypeScript, and modern front-end tooling Contribute to the evolution of component libraries and internal design systems Deliver best-in-class ...

Oracle Data Engineer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
domain logic, and business processes Refactor and improve legacy PL/SQL and database-driven business logic Support ongoing system upgrades, reliability improvements, and performance optimisation Contribute to cloud-oriented development and infrastructure improvements Work within modern engineering practices including TDD, CI/CD, and Agile delivery Participate ...

Data Modeller - Snowflake

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £650 per day
that support analytics, reporting, and business intelligence across the organisation. This role requires a strong understanding of modern data warehousing concepts, cloud platforms, and performance optimisation techniques. Key Responsibilities Design and implement logical and physical data models in Snowflake Develop and maintain scalable data warehouse solutions Collaborate with … data engineers, analysts, and business stakeholders to define data requirements Optimize data structures for performance, scalability, and cost-efficiency Build and maintain data pipelines and transformations (ELT/ETL) Ensure data quality, integrity, and governance standards are met Document data models, definitions, and data flows Skills/Experience ...

AI Data Architect

Hiring Organisation
IO Associates
Location
United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650 per day
Design, implement, and maintain enterprise data architectures across cloud and hybrid environments. Lead architecture for large-scale Snowflake deployments, including modelling, governance, security, and performance optimisation. Define and deliver AI-driven data solutions, working closely with data science and engineering teams. Provide architectural oversight across multiple programmes, ensuring alignment ...

DevOps Engineer - Contract - Inside IR35

Hiring Organisation
Morgan McKinley Group Ltd
Location
London, United Kingdom
Employment Type
Contract, Part Time
teams to ensure high availability and reliability Contribute to ongoing platform stability improvements Additional Responsibilities Support integration with upstream/downstream systems Assist with performance testing (including latency improvements where required) Contribute reusable components, utilities, and best practices Provide documentation and handover to operations teams Required Skills & Experience Strong … Experience with Amazon Kinesis or other streaming platforms (e.g. Kafka) Exposure to monitoring and alerting tools Experience working in complex, integrated environments Awareness of performance optimisation (e.g. latency improvements) Working Pattern 2 days per week onsite in London Flexible engagement with potential to scale depending on project needs ...

DevOps Engineer - Contract - Inside IR35

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
teams to ensure high availability and reliability Contribute to ongoing platform stability improvements Additional Responsibilities Support integration with upstream/downstream systems Assist with performance testing (including latency improvements where required) Contribute reusable components, utilities, and best practices Provide documentation and handover to operations teams Required Skills & Experience Strong … Experience with Amazon Kinesis or other streaming platforms (e.g. Kafka) Exposure to monitoring and alerting tools Experience working in complex, integrated environments Awareness of performance optimisation (e.g. latency improvements) Working Pattern 2 days per week onsite in London Flexible engagement with potential to scale depending on project needs ...

Guidewire Data Architect

Hiring Organisation
Networking People (UK) Limited
Location
United Kingdom
Employment Type
Contract, Work From Home
Guidewire data pipelines and ETL workflows leveraging Guidewire DataHub , GDA, and InsuranceSuite data structures. Architect enterprise-grade Guidewire Lakehouse or downstream data solutions , ensuring performance optimisation, data governance, lineage, and security best practices. Translate business requirements into robust Guidewire-aligned data models , collaborating closely with business, data engineering … Strong hands-on expertise with Guidewire DataHub (data model extensions, ETL, mappings, staging patterns). Deep understanding of Guidewire Data Access (GDA) for high-performance data extraction and reporting integration. Experience across the Guidewire InsuranceSuite (PolicyCenter, ClaimCenter, BillingCenter) data model. Strong background in data modelling, ETL design, and performance ...

Guidewire Data Architect

Hiring Organisation
NP Group
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Guidewire data pipelines and ETL workflows leveraging Guidewire DataHub , GDA, and InsuranceSuite data structures. Architect enterprise-grade Guidewire Lakehouse or downstream data solutions , ensuring performance optimisation, data governance, lineage, and security best practices. Translate business requirements into robust Guidewire-aligned data models , collaborating closely with business, data engineering … Strong hands-on expertise with Guidewire DataHub (data model extensions, ETL, mappings, staging patterns). Deep understanding of Guidewire Data Access (GDA) for high-performance data extraction and reporting integration. Experience across the Guidewire InsuranceSuite (PolicyCenter, ClaimCenter, BillingCenter) data model. Strong background in data modelling, ETL design, and performance ...

Senior Vmware Engineer (Security)

Hiring Organisation
Hays Technology
Location
City, Manchester, United Kingdom
Employment Type
Contract
Contract Rate
GBP 520 Daily
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 ...

Senior VMWare Engineer

Hiring Organisation
Certes IT Service Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£560 - £570 per day + Negotiable
proficient in providing 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. Essential Skills & Experience required: As the Senior VMware Engineer you will possess the following: A minimum of 5+ … storage, networking, and security integration. Automation and scripting skills (PowerCLI, PowerShell, Bash, Python). Experience with vCenter administration and cluster design. Strong troubleshooting and performance tuning capabilities. Desirable Qualifications VMware certifications (VCP-DCV, VCAP). Experience with automation/orchestration (VMware Aria/vRealise, Ansible). Hybrid cloud experience ...

SAP Business One Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £450 per day
support delivery across a complex SAP Business One landscape. The engagement sits within an ERP stabilisation programme focused on enhancing system capability, integrations and performance across a multi-entity environment. We are looking for a strong SAP Business One developer with experience across SDK, integrations and system customisation … Support ongoing system improvements and technical stabilisation Work closely with functional consultants to translate requirements into technical solutions Troubleshoot and resolve system issues Support performance optimisation and system reliability Develop reports and data extracts using SQL, HANA and reporting tools Contribute to technical documentation and best practices ...

Data Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £560 per day
working with Azure Databricks, including SQL development, data modelling, and PySpark. * Proven capability in SQL Server, including complex T-SQL logic, stored procedures, and performance optimisation. * Hands-on experience with dbt for modular, testable data model development. * Solid understanding of legacy BI environments, particularly SSRS. * Knowledge of Tableau ...

OpenShift Architecture & Migration Design Specialist

Hiring Organisation
KBC Technologies UK LTD
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£200 - £300 per day
VMware technologies such as vSphere, vCenter, and NSX for optimized deployments. Configure and manage Pure Storage solutions (FlashArray, FlashBlade) to support OpenShift workloads. Ensure performance optimization and compatibility across OpenShift, VMware, and storage infrastructure. CI/CD & DevOps Integration Design and implement CI/CD pipelines optimized for OpenShift ...

ServiceNow Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
REST/SOAP, MID Server) Implemented alert correlation rules and suppression strategies CMDB models aligned with CSDM, knowledge of ACC Post-launch support and performance optimization reports ...

VMWare Engineer - Inside IR35

Hiring Organisation
Adecco
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£525 - £550/day
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 workloads … 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 ...

PowerBI Developer

Hiring Organisation
Job Switch Ltd
Location
Lincoln, Lincolnshire, East Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£370 per day
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 PowerBI Developer … Implements RLS , governance, and performance optimisation (model + measures) Can translate service ops needs into clear KPIs, definitions, and usable dashboards Nice to Haves PowerBI Developer Knowledge of Omnichannel/contact centre metrics (e.g., FCR, AHT, backlog/aging) Broader Power Platform exposure (Power Apps/Automate ...

Kong API Integration Architect

Hiring Organisation
DCV Technologies Limited
Location
Central London, London, United Kingdom
Employment Type
Contract
Collaboration: Work closely with cross-functional teams, including developers, business analysts, and vendors, to gather requirements and define API specifications. Troubleshooting & Support: Monitor API performance, troubleshoot integration issues promptly, and provide technical support to development teams and clients. Documentation: Create and maintain comprehensive documentation, including API specifications, integration guides … data mappings. Performance Optimization: Optimize existing API connections for performance, reliability, and scalability. Security & Compliance: Ensure API security and compliance with industry standards and regulatory controls (e.g., NIST 800-53 in federal contexts). Required Skills and Qualifications Experience: Proven experience in API development, integration, system architecture ...

Senior Network Engineer - NSX - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
virtualisation and micro-segmentation strategies . Deploy and manage VMware AVI load balancers to support modern application delivery, automation, and analytics. Ensure high availability, performance optimisation, and security across network services. Design and maintain identity and access management solutions aligned with tiered access models . Conduct capacity planning ...

Interim Finance Data Lead

Hiring Organisation
In2 Consult
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Build interactive dashboards and self-service reporting capabilities that enable stakeholders to explore data independently Provide technical oversight for data modelling, report architecture, and performance optimisation Support migration or integration of reporting solutions alongside ERP or finance system changes Develop documentation and standards including data dictionaries, reporting frameworks ...