276 to 300 of 330 Performance Optimisation Jobs in the UK

Data Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Newton Abbot, Devon, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 per annum
successful implementation of the data strategy.To work within the Company's Equality and Diversity Policy, Health and Safety Policy, Customer Service and Performance Policies ensuring that these are complied with throughout all activities within the scope of this role to ensure the highest standards of customer care.Ensure that … SSRS.Experience with CI/CD, automated testing, or DataOps practices.Knowledge, Skills & AbilitiesYou should demonstrate:Strong SQL and T-SQL development skills, including performance optimisation.A solid understanding of relational databases and technologies such as Azure SQL Database.Strong problem-solving and analytical skills.Awareness of cloud cost optimisation (compute, storage, pipeline ...

Senior DevSecOps Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, England, United Kingdom
Engineer within our DevSecOps team, you’ll be at the forefront of driving innovation and safeguarding digital infrastructures by ensuring robust, high-performance systems that support our mission-critical solutions. You’ll need to have an understanding of Windows and Linux systems and DevSecOps principles and experience of working … experience in infrastructure engineering, including expertise in areas such as cloud architecture, containerization (e.g., Docker, Kubernetes), infrastructure-as-code (e.g., Terraform, Ansible), and system performance optimization to support seamless integration and testing processes. Key Responsibilities: Design, build, deploy and manage a broad set of IT Infrastructure aligning to customer ...

Lead Azure Databricks Engineer

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
automation, cloud-native best practices, data lifecycle management, and high engineering standards. Oversee end-to-end data engineering delivery, ensuring pipeline reliability, observability, performance, resilience, and continuous improvement. Your Skills: Expert-level hands-on experience with Azure Data Services and Databricks in enterprise, highly regulated environments. Deep understanding … Delta Lake, Medallion architecture, Lakehouse patterns, distributed compute, data modelling, and performance optimisation. Strong programming skills in Python, PySpark, and Spark SQL, with experience implementing CI/CD pipelines (Azure DevOps, branching/merging, automation). Solid knowledge of data governance, lineage, access controls, secure cloud engineering, and FinOps ...

Senior Frontend Engineer - RiskOS

Hiring Organisation
Socure
Location
United Kingdom
customers, driving measurable business outcomes and providing world-class user experiences. As a Senior Frontend Engineer, you will be instrumental in building intuitive, high-performance, and dependable web applications that empower our users to proactively detect and prevent risk. You will participate in every stage of the software development … define efficient APIs and data contracts. Mentor and coach fellow engineers by sharing expertise, conducting code reviews, and promoting engineering best practices. Champion accessibility, performance, and security throughout frontend development. Work in an agile, fast-paced environment focused on rapid delivery and continuous improvement. What You'll Bring ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
React , TypeScript , and Next.js . You’ll work across the full front‐end life cycle — from architecture and design collaboration, through to deployment and optimisation — delivering robust, performant, and accessible user interfaces. You’ll join a highly collaborative team where your voice will matter, and your work will … Build and maintain modern web applications using React , TypeScript , and Next.js . Translate UI/UX designs into responsive, accessible and high‐performance user interfaces. Collaborate strategically with backend engineers, product owners and designers to deliver end‐to‐end solutions. Write clean, tested, maintainable code and set best‐practice ...

Python Developer

Hiring Organisation
Set2Recruit
Location
United Kingdom
problems, building scalable systems, and working in a research-driven or highly analytical environment. You’ll be designing and implementing robust Python solutions, optimizing performance, and contributing to technical decision-making across projects. Key Responsibilities Design, develop, and maintain Python-based applications Implement mathematical models, simulations, or data-driven … systems Optimize algorithms for performance and scalability Write clean, maintainable, and well-documented code Collaborate with a distributed team across time zones Participate in code reviews and architectural discussions Required Skills & Experience Strong proficiency in Python Degree in Mathematics, Physics, or a related quantitative field Solid understanding of algorithms ...

Data Engineer - SC Cleared

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
Azure Databricks, Azure Data Lake Storage, Azure Data Factory).• Architect and implement advanced data pipelines using Databricks, Delta Lake, Python and Spark, ensuring performance, reliability, and maintainability across cloud and on-prem environments.• Champion data quality, governance, and observability, ensuring data is accurate, timely, and fit-for-purpose … 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 ...

Data Engineer

Hiring Organisation
Peregrine
Location
London, United Kingdom
Employment Type
Permanent
Salary
£1/annum
Azure Databricks, Azure Data Lake Storage, Azure Data Factory). Architect and implement advanced data pipelines using Databricks, Delta Lake, Python and Spark, ensuring performance, reliability, and maintainability across cloud and on-prem environments. Champion data quality, governance, and observability, ensuring data is accurate, timely, and fit-for-purpose … 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 ...

Software Engineer (Ivanti Neurons ITSM)

Hiring Organisation
GÉANT
Location
Cambridgeshire, England, United Kingdom
advise on scripting using Ivanti Expressions or ECMAScript. Deliver Level 3 support for the Neurons platform, troubleshooting complex issues and driving improvements to availability, performance, and quality. Train ITS support engineers on day‐to‐day configuration tasks, contributing to shared understanding and long‐term maintainability. When capacity allows, contribute … knowledge‐sharing, documentation, and continuous improvement. Key strengths: Experience configuring, deploying, and maintaining the Ivanti Neurons ITSM Platform, ideally including multi‐stage environments and performance optimisation. Ability to script special cases using Ivanti Expressions and ECMAScript, and familiarity with API‐driven integrations. Foundational understanding of Python development, ideally with ...

Data Engineer

Hiring Organisation
Peregrine
Location
United Kingdom
Employment Type
Permanent
Azure Databricks, Azure Data Lake Storage, Azure Data Factory). Architect and implement advanced data pipelines using Databricks, Delta Lake, Python and Spark, ensuring performance, reliability, and maintainability across cloud and on-prem environments. Champion data quality, governance, and observability, ensuring data is accurate, timely, and fit-for-purpose … 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 ...

Web Designer

Hiring Organisation
KL TALENT SOLUTIONS LTD
Location
Stockton-On-Tees, County Durham, North East, United Kingdom
Employment Type
Permanent
Salary
£35,000
email marketing materials. WordPress & Content Management Build, maintain, and manage WordPress websites, including themes, templates, and page builders. Manage content updates, website structure, and performance optimisation. Ensure WordPress builds remain scalable and maintainable. Usability, SEO & Compliance Ensure websites are intuitive, accessible, and compliant with WCAG accessibility standards. Apply … best practices including site structure, page speed optimisation, and on-page improvements. Monitor and enhance UX metrics, search visibility, and overall website performance. Collaboration & Internal Systems Work alongside in-house developers on website integrations. Support marketing campaigns with landing pages, forms, and email templates. Contribute to the UI design ...

Quant Developer / Data Scientist

Hiring Organisation
Marlin Selection
Location
Central London, London, United Kingdom
Employment Type
Permanent
Quant Developer/Data Scientist Location: Flexible (Major Financial Hubs) Experience: 25 Years Compensation: Competitive + Performance-Based Bonus A leading asset management firm is seeking a highly talented Quant Developer/Data Scientist to join its systematic and discretionary investment teams. This is a front-office, high-impact … analytics tools. Work closely with PMs and Quants to translate research ideas into production-grade models and code . Build and maintain high-performance C++ and Python components used for modelling, simulation, and live trading. Design scalable Linux-based data and compute architectures , including feature engineering and large dataset ...

Web Designer

Hiring Organisation
Imperial Recruitment Group
Location
Billingham, England, United Kingdom
their growing Marketing team. This is an exciting opportunity for a creative and technically capable designer to play a key role in the development, optimisation, and maintenance of the company’s digital platforms across both B2B and B2C audiences. The successful candidate will work closely with Marketing, in-house … helping maintain a consistent, brand-led approach across all online platforms. The Role As Web Designer, you will be responsible for improving website usability, performance, and overall customer experience. You will contribute to UX/UI initiatives, develop digital assets, and maintain WordPress websites while ensuring best practice across ...

Infrastructure Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, Gloucestershire, UK
Infrastructure Engineer within our Integration & Test team, you’ll be at the forefront of driving innovation and safeguarding digital infrastructures by ensuring robust, high-performance systems that support our mission-critical solutions. You’ll need to have an understanding of Windows and Linux systems and DevSecOps principles and experience … experience in infrastructure engineering, including expertise in areas such as cloud architecture, containerization (e.g., Docker, Kubernetes), infrastructure-as-code (e.g., Terraform, Ansible), and system performance optimization to support seamless integration and testing processes. Key Responsibilities: Plan, develop, and execute software test and integration plans, ensuring compliance with specifications, while ...

Infrastructure Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, England, United Kingdom
Infrastructure Engineer within our Integration & Test team, you’ll be at the forefront of driving innovation and safeguarding digital infrastructures by ensuring robust, high-performance systems that support our mission-critical solutions. You’ll need to have an understanding of Windows and Linux systems and DevSecOps principles and experience … experience in infrastructure engineering, including expertise in areas such as cloud architecture, containerization (e.g., Docker, Kubernetes), infrastructure-as-code (e.g., Terraform, Ansible), and system performance optimization to support seamless integration and testing processes. Key Responsibilities: Plan, develop, and execute software test and integration plans, ensuring compliance with specifications, while ...

SPLUNK Enterprise and ITSI Expert

Hiring Organisation
Synechron
Location
City of London, London, United Kingdom
expertise in Splunk Enterprise, ITSI, and Kubernetes/OpenShift observability. The ideal candidate will build scalable monitoring solutions, drive service health insights, and optimize performance across hybrid cloud environments. Key Responsibilities Splunk Architecture & Operations Design, deploy, and manage Splunk Enterprise and ITSI for hybrid Kubernetes/OpenShift environments. Onboard …/etcd), node readiness, pod restart trends Network/storage errors, quota usage, bursting patterns Capacity metrics and noisy‐neighbor detection Search & Platform Performance Tune Splunk search performance, workload rules, concurrency, DMA, summary indexing, and scheduling hygiene. Alerting & Integrations Implement alerting, enrichment, routing to ITSM/ChatOps, suppression ...

Web Designer

Hiring Organisation
Imperial Workforce
Location
Wynyard, Billingham, Cleveland, England, United Kingdom
Employment Type
Full-Time
Salary
£28,000 - £38,000 per annum
their growing Marketing team. This is an exciting opportunity for a creative and technically capable designer to play a key role in the development, optimisation, and maintenance of the company’s digital platforms across both B2B and B2C audiences. The successful candidate will work closely with Marketing, in-house … maintain. Usability, SEO & Compliance Ensure websites meet accessibility standards (WCAG) and provide intuitive user journeys. Apply SEO best practices including site structure, page performance, and on-page optimisation. Support improvements in site speed, UX metrics, and search visibility. Testing, Maintenance & Performance Test websites across browsers and devices ...

power bi developer

Hiring Organisation
Pontoon
Location
Manchester, United Kingdom
Employment Type
Contract
ServiceNow integrations for surfacing dataset health, ownership, and automated workflows. Assess and improve resilience of key BI assets, including data quality, refresh reliability, performance, and access controls. Standardise tooling (templates, DAX libraries, CI/CD, documentation, testing) to support consistent and governed development. Enable Gen AI and Co pilot … producing AI ready datasets and identifying opportunities for automation, anomaly detection, and forecasting. Optimise BI workflows by leveraging AI for documentation, requirements capture, DAX optimisation, and natural language querying. Key Responsibilities Design and optimise Power BI data models, schemas, relationships, and calculated fields. Build high performance, scalable datasets ...

Senior/Lead Frontend Developer - Angular

Hiring Organisation
TalentHawk
Location
City of London, London, United Kingdom
reactive state management, and real-time data handling (WebSockets/SSE) using TypeScript . Technical Design: Lead framework decisions and navigate trade-offs between performance, UX, and maintainability. Engineering Excellence: Drive standards through rigorous code reviews, unit/E2E testing, and performance profiling. Fintech Focus: Ensure all interfaces … consuming RESTful/event-driven APIs and managing complex, real-time data states (RxJS/NgRx). Quality: Strong advocate for WCAG accessibility, performance optimization, and robust testing (Jest, Cypress). ...

Data Analyst (Remote)

Hiring Organisation
Marstep Resourcing Solutions
Location
Chester, Cheshire, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £28,500 per annum
tools like Looker Studio or Power Bi. - Advanced skills in Excel and PowerPoint. - Advanced SQL skills, including complex joins, window functions, CTEs, aggregations, and performance optimization Strong experience working with web analytics data Experience building data models from scratch in SQL Experience defining and creating closed funnels … models from scratch to support reporting, analysis, and business decision-making Create and maintain closed-funnel logic in SQL for conversion, journey, and performance analysis Transform raw event-level and source data into clean, documented, business-ready datasets Manage and troubleshoot data flows across multiple systems and data dependencies ...

Snowflake Data Architect

Hiring Organisation
Hirexa Solutions UK
Location
Hemel Hempstead, Hertfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 per day
architect, and optimize scalable enterprise data platforms. The role involves defining data platform architecture, governance standards, and scalable data transformation frameworks, while ensuring high performance, security, and cost efficiency. The architect will provide technical leadership to data engineering and analytics teams and ensure the platform supports enterprise reporting, advanced … modelling standards including dimensional modelling, star schema, and enterprise data models. Lead architecture reviews and solution design discussions for new data initiatives. Optimize Snowflake performance, workload management, and cost governance. Establish data governance frameworks including access control, data security, and compliance standards. Design and support AI/ML-ready ...

Snowflake Data Architect

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
modelling standards including dimensional modelling, star schema, and enterprise data models. Lead architecture reviews and solution design discussions for new data initiatives. Optimize Snowflake performance, workload management, and cost governance. Establish data governance frameworks including access control, data security, and compliance standards. Design and support AI/ML-ready … guest behaviour analysis, booking trends, revenue analytics, and operational reporting. Required Technical Skills Data Platform Strong expertise in Snowflake Deep knowledge of Snowflake architecture, performance tuning, data sharing, security, and workload optimization. Cloud Platform Strong experience with Amazon Web Services, including: S3 IAM AWS Glue Lambda CloudWatch Data Transformation ...

Full Stack Engineer

Hiring Organisation
Formula Recruitment
Location
England, United Kingdom
processing and analysing live content in real time. As the platform scales, they’re hiring a Full-Stack Engineer to design and deliver high-performance systems across real-time data pipelines, modern frontend applications, and AI-enhanced product features. What You’ll Do as a Full-Stack Engineer … driven analysis across a modern digital content platform. Design and build resilient backend services using Java and cloud-native infrastructure. Develop modern, high-performance frontend applications using TypeScript and a modern JavaScript framework. Architect and maintain real-time data pipelines using event-driven systems and streaming technologies. Work across ...

Data Warehouse Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
modify data models to accommodate new PRISM position attributes. * Ensure data consistency, referential integrity, and alignment with business rules. * Tune SQL queries, optimise ETL performance, and resolve bottlenecks. * Add or update validation rules, data quality checkpoints, reconciliations, and monitoring scripts. * Support defect analysis and resolution across SIT/… SQL. * Hands on experience with ETL frameworks, ideally SSIS, including package development, debugging, and optimisation. * Solid understanding of data modelling, schema design, indexing, and performance optimisation. * Ability to work with complex data structures in Finance or Risk domains. * Familiarity with PRISM, GL accounting data flows, or financial system integrations ...

Data Warehouse Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
modify data models to accommodate new PRISM position attributes. * Ensure data consistency, referential integrity, and alignment with business rules. * Tune SQL queries, optimise ETL performance, and resolve bottlenecks. * Add or update validation rules, data quality checkpoints, reconciliations, and monitoring scripts. * Support defect analysis and resolution across SIT/… SQL. * Hands on experience with ETL frameworks, ideally SSIS, including package development, debugging, and optimisation. * Solid understanding of data modelling, schema design, indexing, and performance optimisation. * Ability to work with complex data structures in Finance or Risk domains. * Familiarity with PRISM, GL accounting data flows, or financial system integrations ...