201 to 225 of 273 Performance Optimisation Jobs in the UK

Lead DevSecOps Engineer

Hiring Organisation
Lockheed Martin
Location
Gloucester, Gloucestershire, UK
Employment Type
Full-time
Infrastructure 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 … 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 ResponsibilitiesDesign, build, deploy and manage a broad set of IT Infrastructure aligning to customer needs ...

Java Tech Lead

Hiring Organisation
TXP Technology x People
Location
Telford, Shropshire, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £600.00 per day
scalable, resilient and loosely coupled services, including service-to-service communication and integration patterns. API Architecture & Design - API contracts, versioning, security, integration patterns and performance optimisation. Application Modernisation - Experience modernising legacy applications, service decomposition and integration with existing systems. Docker & Kubernetes - Containerisation, deployment and management of microservices. Technical Leadership … dependencies and supporting delivery planning. Desirable Skills AWS JPA/Hibernate Maven/Gradle Mockito GitLab Helm OpenAPI/Swagger SQL Kibana Observability and performance monitoring Event-driven architecture/messaging Shell scripting AI-Assisted Development & Leadership Willingness to actively embrace and promote the effective use of approved ...

Java Tech Lead

Hiring Organisation
TXP
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
scalable, resilient and loosely coupled services, including service-to-service communication and integration patterns. API Architecture & Design - API contracts, versioning, security, integration patterns and performance optimisation. Application Modernisation - Experience modernising legacy applications, service decomposition and integration with existing systems. Docker & Kubernetes - Containerisation, deployment and management of microservices. Technical Leadership … dependencies and supporting delivery planning. Desirable Skills AWS JPA/Hibernate Maven/Gradle Mockito GitLab Helm OpenAPI/Swagger SQL Kibana Observability and performance monitoring Event-driven architecture/messaging Shell scripting AI-Assisted Development & Leadership Willingness to actively embrace and promote the effective use of approved ...

Java Modernization Technical Architect - SC Clearance

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35 via Umbrella
Actions. Landing Zone & Cloud Integration: Architect integrations with Azure Landing Zones, Azure Storage, Azure SQL, and Azure Key Vault while ensuring strict security hardening, performance optimization, and observability. Governance & Leadership: Provide architectural oversight, conduct design reviews, establish migration best practices, and collaborate closely with client stakeholders, engineering leads … Azure Storage, Azure SQL, and Azure Key Vault. Modernization & Security: Track record in legacy-to-cloud application migration, OAuth2, JWT, REST API architecture, performance tuning, and security hardening. Containerization: Hands-on experience with Docker and Kubernetes for container orchestration. Front-End Fundamentals: Exposure to client-side technologies such ...

Java Modernization Technical Architect - SC Clearance

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
Actions. Landing Zone & Cloud Integration: Architect integrations with Azure Landing Zones, Azure Storage, Azure SQL, and Azure Key Vault while ensuring strict security hardening, performance optimization, and observability. Governance & Leadership: Provide architectural oversight, conduct design reviews, establish migration best practices, and collaborate closely with client stakeholders, engineering leads … Azure Storage, Azure SQL, and Azure Key Vault. Modernization & Security: Track record in legacy-to-cloud application migration, OAuth2, JWT, REST API architecture, performance tuning, and security hardening. Containerization: Hands-on experience with Docker and Kubernetes for container orchestration. Front-End Fundamentals: Exposure to client-side technologies such ...

IT Data Analyst - Grimsby, Lincoln, York, Louth or Hull

Hiring Organisation
Principal IT
Location
Lincoln, Lincolnshire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £47000/annum
business requirements and translate them into effective technical solutions. Develop and maintain ETL processes, data pipelines and system integrations. Troubleshoot technical issues, improve system performance and ensure data accuracy and reliability. Support testing, deployment and ongoing enhancement of applications and reporting solutions. Follow best practices around data security, governance … Knowledge of SSRS and automated reporting solutions. Experience with .NET or other application development technologies. An understanding of ETL processes, data integration and database performance optimisation. Familiarity with version control and DevOps tools, such as Azure DevOps and Git. Exposure to Microsoft Azure or other cloud-based technologies. Strong ...

Manager, Business Intelligence & Analytics, PACS Intelligence Services

Hiring Organisation
Coca-Cola
Location
Greater London, United Kingdom
Employment Type
Full Time
analytics solutions. The role is critical to building a modern intelligence capability that enables stakeholders to better understand reputation, public affairs, sustainability and communications performance while driving smarter business decisions. This individual will serve as a thought leader for business intelligence, analytics modernization, automation, and AI enablement. Leveraging Microsoft … PACS (Public Affairs, Communications, and Sustainability) Intelligence team within Enterprise Services. Our team provides intelligence solutions at scale, enabling enterprise stakeholders to monitor performance and make more informed decisions while fostering topline growth and competitive differentiation. As we enhance our capabilities, PACS Intelligence is focused on driving ...

Platform Engineering Associate Manager - DevOps

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognised worldwide not just for business performance but for inclusion and diversity too."Across the globe, one thing is universally true of the people of Accenture: We care deeply about what … cloud automation tools (e.g., AWS CloudFormation, Terraform, IAC) to provision and manage infrastructure as code efficiently. You should have a deep understanding of system performance optimization for cloud environments (AWS, Azure, GCP). You should have a deep understanding of cloud security best practices, including identity and access management ...

Senior Java Developer (Low-Latency & JVM Performance)

Hiring Organisation
Luxoft
Location
London, UK
Employment Type
Full-time
Project description Join a global technology team developing high-performance, low-latency platforms supporting critical trading and real-time processing workflows. The project focuses on building event-driven and reactive Java systems designed to operate at high frequency with demanding latency and throughput requirements. The environment combines advanced … performance engineering, concurrency, networking, and Linux optimization. The team works close to the hardware and operating-system level, optimizing memory utilization, network communication, and application performance to deliver highly efficient and reliable systems. Responsibilities Design and develop high-performance, low-latency applications using Core Java. Perform advanced ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
Mill Hill, Dumfriesshire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 85,000 Annual
Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You ll Need 5+ years of backend development experience Strong .NET and C# skills for API development ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £85000/annum
Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You’ll Need 5+ years of backend development experience Strong .NET and C# skills for API development ...

JAVA Backend Engineer

Hiring Organisation
DCV Technologies
Location
Bristol, City of Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day - Hybrid / Inside IR35
experience in developing enterprise-grade backend applications that capture, process, transform, and distribute real-time data across multiple systems while ensuring reliability, scalability, and performance Required Experience 8+ years of backend application development experience using Java. Experience building ultra-low-latency systems (<100ms processing latency). Experience handling systems … processing millions of events/transactions daily. Real-time data synchronization across multiple platforms. Strong expertise in low-latency application design and performance optimization. Proven experience with Kafka, event streaming, and asynchronous architectures. Experience implementing Change Data Capture (CDC) solutions using Debezium or similar technologies. Experience with cloud-native ...

Senior Production Support Engineer

Hiring Organisation
MarketAxess
Location
London, UK
Employment Type
Full-time
there is up to us. Join us and help Take Us There. The RoleThis role is to ensure the reliability, scalability, and performance of our production systems. You will focus on implementing engineering principles to automate operations, enhance system reliability and monitoring, reduce repetitive manual effort, and improve … person will be responsible for designing and maintaining monitoring and infrastructure, tools, automation, and other technology. By leveraging expertise in automation, incident management, and performance optimization, the successful candidate will contribute to building robust and resilient systems that support business goals. The ideal candidate will have a strong understanding ...

MES/MOM/MSB CoE IT Specialist (MSB)

Hiring Organisation
GKN Aerospace
Location
Bristol, Avon, South West, United Kingdom
Cloud Lake solutions. Data Security & Compliance • Implement and enforce best architectural practices for data security, ensuring compliance with relevant data regulations and standards Performance Optimization • Monitor and optimize the performance of cloud and on-premises data solutions, identifying and resolving bottlenecks and issues Customer Engagement • Become a recognized ...

EMEA Head of Client Connectivity Engineering (SVP)

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
best‐in‐class global platform across execution, prime, clearing and cross‐product margining. We are re‐engineering our technology estate to achieve world‐leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernised post‐trade, clearing and margin processes. Our ambition is to deliver … senior technology partner for business and senior technology stakeholders. Translate complex business needs into a clear technology roadmap and innovative product features, including execution performance improvements, new liquidity sources, and DMA capabilities.Platform Architecture & Delivery: Drive the architectural design and oversee the end-to-end delivery of high-performance ...

UI Developer (FX Trading Platform)

Hiring Organisation
Lorien Resourcing
Location
London, UK
Employment Type
Full-time
team supporting electronic trading platforms across Global Markets. The role will focus on developing and enhancing Cortex FX and associated trading applications, delivering high-performance, scalable solutions for real-time pricing and trading. The Ideal candidate is a technically strong UI Developer with proven JavaScript/TypeScript, Angular, HTML5 … London. This role will be Via Umbrella. Working in a Hybrid Model of 50% a week on site. Key ResponsibilitiesDesign, develop and maintain high-performance UI applications supporting Front Office FX trading platforms. Support platform migrations, UI convergence and modernisation initiatives. Develop scalable, reusable components using JavaScript, TypeScript, HTML5 ...

UI Frontend Lead engineer - AEM & AI

Hiring Organisation
LANCESOFT LTD
Location
London, UK
Manager (AEM), and AI-powered development tools such as Anthropic Claude and Claude Code. The ideal candidate will be responsible for designing scalable, high-performance, reusable, and maintainable frontend architectures for enterprise digital platforms. This role requires strong hands-on technical leadership, deep understanding of AEM-based digital experiences … frontend solutions using React, Next.js, TypeScript, JavaScript, HTML5, and CSS3. Design reusable component libraries, design systems, and micro-frontend architectures. Establish best practices for performance optimization, accessibility (WCAG), SEO, security, and responsive design. 2. Adobe Experience Manager (AEM) Expertise Design and implement frontend architectures integrated with Adobe Experience Manager ...

UI Frontend Lead engineer – AEM & AI

Hiring Organisation
LANCESOFT LTD
Location
south east england, united kingdom
Manager (AEM), and AI-powered development tools such as Anthropic Claude and Claude Code. The ideal candidate will be responsible for designing scalable, high-performance, reusable, and maintainable frontend architectures for enterprise digital platforms. This role requires strong hands-on technical leadership, deep understanding of AEM-based digital experiences … frontend solutions using React, Next.js, TypeScript, JavaScript, HTML5, and CSS3. Design reusable component libraries, design systems, and micro-frontend architectures. Establish best practices for performance optimization, accessibility (WCAG), SEO, security, and responsive design. 2. Adobe Experience Manager (AEM) Expertise Design and implement frontend architectures integrated with Adobe Experience Manager ...

UI Front end Lead engineer – AEM & Generative AI (Claude)

Hiring Organisation
Vallum Associates
Location
London, United Kingdom
Employment Type
Contract
10+ years of experience in frontend development, enterprise UI architecture and technical leadership. The successful candidate will design and deliver scalable, reusable and high-performance frontend solutions using modern JavaScript frameworks, Adobe Experience Manager (AEM), AWS and AI-assisted development tools. Essential Skills & Experience 10+ years of frontend/… client libraries. Experience integrating frontend applications with AEM Headless, GraphQL and REST APIs . Proven expertise in frontend architecture, reusable components, design systems and performance optimisation. Hands-on experience with Claude AI/Claude Code for software development. Good understanding of AWS , CI/CD pipelines, Git and automated ...

Senior Data Insights Consultant

Hiring Organisation
VML
Location
London, UK
Employment Type
Full-time
complex SQL queries, ensuring clarity, efficiency, and production readiness. Design and build scalable dimensional data models from raw source systems (fact/dimension structures, performance-aware design). Apply strong data modelling principles, governance standards and practices that ensure data accuracy, consistency, and security. Develop and manage DBT transformations … using layered architecture, including testing and documentation best practices. Build production-ready Power BI semantic models and dashboards, including advanced DAX measures, performance optimization, and secure data access (RLS). Work collaboratively using GitHub, following structured branching, pull request, and code review workflows. Familiarity with or a strong interest ...

Automation Platform Engineer / Power Platform Administrator [213177]

Hiring Organisation
Aquent
Location
United Kingdom
Employment Type
Permanent
Salary
£70,000
pivotal force in shaping the digital landscape of a vital industry? We are seeking an exceptional engineer to drive the evolution, performance, and security of cutting-edge automation and digital platforms. In this dynamic role, you will champion innovation across cloud, AI, integration, and Robotic Process Automation (RPA) domains … Prism RPA, Alteryx, Copilot Studio, Logic Apps, and Foundry. Youll be the guardian of platform health, ensuring seamless operations, rapid incident resolution, and continuous performance optimization through meticulous monitoring and documentation. Fortify Security & Governance: Implement and enforce robust data loss prevention (DLP) policies, identity and access controls, and security ...

Senior Web Developer

Hiring Organisation
Insulet Corporation
Location
London, UK
Employment Type
Full-time
enterprise integration patterns Experience with Acquia hosting platform and Acquia Certified Developer (or higher). Strong understanding of CI/CD pipelines, automation, and performance optimization. Excellent written and verbal communication skills; ability to document processes and technical knowledge clearly. Positive, results-driven, logical thinker with strong organizational skills. … delivery of non-insulin subcutaneous drugs across other therapeutic areas. For more information, please visit insulet.com and omnipod.com. We are looking for highly motivated, performance-driven individuals to be a part of our expanding team. We do this by hiring amazing people guided by shared values who exceed customer ...

Software Engineer - React

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
integration patterns, routing, error handling) and document key decisions. Drive quality and operability through automated testing (unit/component/e2e), accessibility compliance, performance optimization, and UI telemetry/monitoring. Build and improve CI/CD for UI delivery (linting, automated tests, quality gates, build optimization, release automation … work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security. Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency ...

AES - DE - FS - Java

Hiring Organisation
Zensar Technologies
Location
London, UK
Employment Type
Full-time
PostgreSQL.Experience with CI/CD pipelines, Git, Maven/Gradle, and DevOps practices. Knowledge of cloud platforms such as Azure or AWS.Strong troubleshooting, performance tuning, and production support experience. Experience leading development teams and managing technical delivery. Understanding/Experience in Power PlatformResponsibilitiesLead the design, development, and implementation … practices. Collaborate with business stakeholders, architects, and delivery teams to translate requirements into technical solutions. Conduct code reviews and ensure high standards of quality, performance, and security. Support application modernization, troubleshooting, and performance optimization. Support Power Platform Apps. Mentor developers and drive technical excellence within the team. About ...

Staff BI & Data Engineer | Databricks

Hiring Organisation
Datatech
Location
Berkshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £67000/annum
bring ·Strong production experience with Databricks, PySpark, Delta Lake and Unity Catalog. ·Hands-on Power BI expertise, including data modelling, DAX, RLS and performance optimisation. ·Strong SQL skills and experience with Azure data services. ·Experience supporting contact-centre operations and/or performance marketing. ·Confidence defining and validating … measures such as lead conversion, acquisition costs, attribution, agent performance or service levels. ·A track record of independently owning delivery, resolving complex problems and introducing improvements. ·Clear communication and the confidence to constructively challenge requirements and existing approaches. ·Experience of Microsoft Fabric would also be useful. For more information ...