22 of 22 Contract Performance Optimisation Jobs in London

MLOps Tech Lead

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £525 per day
data augmentation. Automation: Implement automation tools and frameworks (CI/CD) to streamline the deployment and monitoring of machine learning models in production. Performance Optimisation: Optimise data processing workflows and storage solutions to improve performance and reduce costs. Collaboration: Work closely with cross-functional teams, including data ...

Senior Data Architect - Quantexa Certified (Mandatory)

Hiring Organisation
PSD Technology Contracts Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
pipelines, configuring Quantexa components, and translating complex business requirements into scalable, production-ready implementations. You will play a key role in ensuring solution quality, performance, and alignment with wider enterprise data architectures. Why Join? This role offers the opportunity to work on high-impact data initiatives using industry-leading … components, including Entity Resolution, Scoring, and Network Generation, to meet specific use cases Collaborate with Solution Architects and Tech Leads to design scalable, high-performance solutions Translate business and technical requirements into efficient, maintainable data engineering solutions Support the integration of Quantexa within broader enterprise and cloud-based data ...

Tableau Developer - SC & NPPV3

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £520 per day
visually effective BI solutions Collaborate with data engineers to integrate dashboards with secure data sources and pipelines Ensure best practices in data visualisation, performance optimisation, and usability Implement security, compliance, and governance standards in all Tableau workbooks and dashboards Develop reusable reporting templates and documentation for internal teams … hands-on experience with: Tableau Desktop and Tableau Server/Tableau Online Data blending, calculated fields, parameters, sets, and LOD expressions Optimising dashboards for performance and usability Solid SQL skills for querying relational and cloud-based data sources Experience integrating Tableau with secure or regulated environments Understanding of data ...

Tech Lead - Data Analytics & Data Engineering (AWS) - SC+NPPV3

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
delivering data ingestion, transformation, and storage patterns using S3, AWS Glue, and Redshift Owning data architecture decisions, including data modelling, partitioning strategies, and performance optimisation Defining and enforcing engineering standards across code quality, testing, CI/CD, IaC, and observability Building and optimising ELT/ETL pipelines using … domains Strong hands-on experience with: Amazon S3 (data lake patterns, partitioning, lifecycle management) AWS Glue (Jobs, Crawlers, PySpark, orchestration) Amazon Redshift (data modelling, performance tuning, WLM, Spectrum) Advanced Python (PySpark) and SQL skills Experience implementing CI/CD pipelines and Infrastructure as Code Proven ability to engage senior ...

UI Developer - 13042

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
code quality through unit and integration testing with Vitest and React Testing Library . Participate in code reviews and contribute to architectural decisions. Optimize performance and troubleshoot issues across various browsers and devices. What You Bring: Required Skills & Experience: Experience developing modern web applications with React and TypeScript . … delivering high-quality service. Preferred Qualifications: Experience with schema validation using Zod . Familiarity with component documentation tools (e.g., Storybook ). Understanding of performance optimisation techniques for large-scale applications. Experience developing frameworks and tools specific to AI/ML Familiarity with cloud platforms and development in cloud ...

AI / ML Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
techniques. Integration & Deployment Develop APIs or services to integrate ML models into production systems. Work with MLOps tools for model deployment, versioning, and monitoring. Performance Optimization Evaluate models using metrics like accuracy, precision, recall, F1-score. Optimize models for scalability, latency, and resource efficiency. Collaboration Work closely with data ...

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 ...

Data & BI Lead - Outside IR35

Hiring Organisation
Vermillion Analytics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£370/day
SSAS Cubes, Snowflake, Azure Data Factory, and HVR Collaborate with emerging Data & AI teams to shape future capabilities Maintain platform health, data quality, and performance optimization What You'll Need 8-12 years in Data/BI/Analytics roles 3+ years in a technical leadership position Strong hands ...

Data Domain Governance Lead

Hiring Organisation
Ascendion
Location
BR1, Bromley Town, Greater London, United Kingdom
Employment Type
Permanent, Contract
expertise, including: Designing conceptual, logical, and physical models for complex financial domains. Applying semantic modelling for BI and analytics. Knowledge of normalization, denormalization, and performance optimization. Hands-on experience with modelling tools such as ERwin, PowerDesigner, or equivalent. Strong background in enterprise data architecture. Hands-on experience with metadata ...

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 ...

Salesforce Senior Developer

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
Experience Cloud. You will be highly skilled in Apex, Visualforce, Lightning Components, and Lightning Web Components. A strong understanding of Salesforce governor limits and performance optimisation principles for efficient and scalable applications for a large active user base. Expertise in large-scale integration using SOAP, REST, Streaming (including ...

Technical Consultant - eLux

Hiring Organisation
ECS Resource Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
client environments using eLux and Scout. Manage OS customisation, image creation, and deployment across a large estate. Provide technical leadership in troubleshooting, patching, and performance optimisation. Collaborate across infrastructure and end-user teams to ensure seamless integration into global desktop environments. Ideal Candidate: Strong Linux engineering background with specific ...

Senior Full Stack Engineer FX e Trading London

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £750 to £900 per day
+ Java) to 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. You will partner closely with product, trading, and infrastructure teams to deliver features end-to-endfrom UI and desktop container … 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 ...

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 ...

OpenShift Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
VMware tools (e.g., vSphere, vCenter, NSX) to optimize OpenShift deployments. Configure and manage Pure Storage solutions (e.g., Flash Array, Flash Blade) to provide high-performance, scalable storage for OpenShift workloads. Ensure compatibility and performance optimization between OpenShift, VMware, and Pure Storage. 4. CI/CD Pipelines and DevOps ...

Infrastructure Engineer

Hiring Organisation
Adroit People Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 per day
segmentation, WAF/CDN, identity-aware proxies, TLS, certificates). Experience with observability (logs/metrics/traces), flow logs, packet capture tools, and performance tuning. Strong documentation, stakeholder communication, and operational discipline (runbooks, change governance). Nice to Have Experience with Apptio, Turbonomic for cost and performance ...

SAP Consultant

Hiring Organisation
Adroit People Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£70,000
DataStore Objects (ADSOs), CompositeProviders, Open ODS Views, and Transformations. Implement extractors, data flows, and integration with SAP ECC/S4HANA systems. Ensure data lifecycle, performance optimization, and process chain automation. 2. Reporting & Analytics Develop SAP BW queries using BEx and integrate them with SAC or other reporting tools. Create … intuitive dashboards, visual stories, and KPIs that support business decision-making. Ensure compliance with reporting standards and performance best practices. 3. Stakeholder & Communication Collaborate closely with business users to translate requirements into technical designs. Provide clear documentation, solution walkthroughs, and training as needed. Communicate effectively with cross-functional teams ...

SuccessFactors Employee Central Lead

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
Hybrid): 2 3 days The Role Lead and manage full lifecycle integrations between SAP SuccessFactors and external systems, ensuring robust architecture, data integrity, and performance across cloud and hybrid environments. Your Responsibilities Collaborate with stakeholders to gather, analyze, and evaluate business requirements for SuccessFactors implementation and integration Oversee incident … service request management, ensuring resolution within agreed SLA timelines and adherence to ITIL methodology Coordinate with vendors and technical teams for system upgrades, troubleshooting, performance optimization, and ensuring platform availability Maintain up-to-date project documentation, validation records, and knowledge databases, in alignment with customer quality standards Provide regular ...

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 ...