201 to 225 of 290 Performance Optimisation Jobs in the UK

Architect certifications are a plus of course!) Obviously, skills in Apex coding & Lightning Component framework are required. - Strong understanding of the Salesforce platform, including data models, security, governance, and performance optimization. - Experience with integrations, including APIs and third-party system integrations. So, if you'd like to be the architecture to our Salesforce – please apply now or get in More ❯

Architect certifications are a plus of course!) Obviously, skills in Apex coding & Lightning Component framework are required. - Strong understanding of the Salesforce platform, including data models, security, governance, and performance optimization. - Experience with integrations, including APIs and third-party system integrations. So, if you'd like to be the architecture to our Salesforce – please apply now or get in More ❯

someone passionate about clean code, modern software practices, and Back End development at scale. You will be building and maintaining scalable PHP applications with MySQL and AWS, focusing on performance, reliability, and security. Contribute to full life cycle development of RESTful APIs and Back End services, working across architecture, design, coding, testing, and deployment. Participate in Agile ceremonies, collaborating … or Python. An interest in learning other languages - especially Golang. Proven leadership skills, capable of guiding teams and sharing knowledge effectively. In-depth understanding of relational database tuning and performance optimisation. Solid grasp of modern DevOps practices Experience designing and documenting APIs and integrating with complex systems. A strong focus on testing, automation, and delivering secure code. If you More ❯

totaled $13.8 billion. Job Description: We are looking for a seasoned AWS Data Engineer to join our team and contribute to the development of scalable, secure, and high-performance data solutions. This role involves modernizing mainframe legacy systems, building robust data pipelines, and enabling advanced analytics using AWS-native technologies. You’ll collaborate with cross-functional teams and play … in shaping our data strategy. Skills Must have : Proven experience in designing and maintaining scalable data lakes using AWS S3, with strong understanding of data lifecycle, access control, and performance optimization. Hands-on experience migrating data from Mainframes to AWS, including transformation and validation of legacy formats. Proficiency in reading and processing VSAM data using Copybooks and the Cobrix More ❯

totaled $13.8 billion. Job Description: We are looking for a seasoned AWS Data Engineer to join our team and contribute to the development of scalable, secure, and high-performance data solutions. This role involves modernizing mainframe legacy systems, building robust data pipelines, and enabling advanced analytics using AWS-native technologies. You’ll collaborate with cross-functional teams and play … in shaping our data strategy. Skills Must have : Proven experience in designing and maintaining scalable data lakes using AWS S3, with strong understanding of data lifecycle, access control, and performance optimization. Hands-on experience migrating data from Mainframes to AWS, including transformation and validation of legacy formats. Proficiency in reading and processing VSAM data using Copybooks and the Cobrix More ❯

totaled $13.8 billion. Job Description: We are looking for a seasoned AWS Data Engineer to join our team and contribute to the development of scalable, secure, and high-performance data solutions. This role involves modernizing mainframe legacy systems, building robust data pipelines, and enabling advanced analytics using AWS-native technologies. You’ll collaborate with cross-functional teams and play … in shaping our data strategy. Skills Must have : Proven experience in designing and maintaining scalable data lakes using AWS S3, with strong understanding of data lifecycle, access control, and performance optimization. Hands-on experience migrating data from Mainframes to AWS, including transformation and validation of legacy formats. Proficiency in reading and processing VSAM data using Copybooks and the Cobrix More ❯

totaled $13.8 billion. Job Description: We are looking for a seasoned AWS Data Engineer to join our team and contribute to the development of scalable, secure, and high-performance data solutions. This role involves modernizing mainframe legacy systems, building robust data pipelines, and enabling advanced analytics using AWS-native technologies. You’ll collaborate with cross-functional teams and play … in shaping our data strategy. Skills Must have : Proven experience in designing and maintaining scalable data lakes using AWS S3, with strong understanding of data lifecycle, access control, and performance optimization. Hands-on experience migrating data from Mainframes to AWS, including transformation and validation of legacy formats. Proficiency in reading and processing VSAM data using Copybooks and the Cobrix More ❯

totaled $13.8 billion. Job Description: We are looking for a seasoned AWS Data Engineer to join our team and contribute to the development of scalable, secure, and high-performance data solutions. This role involves modernizing mainframe legacy systems, building robust data pipelines, and enabling advanced analytics using AWS-native technologies. You’ll collaborate with cross-functional teams and play … in shaping our data strategy. Skills Must have : Proven experience in designing and maintaining scalable data lakes using AWS S3, with strong understanding of data lifecycle, access control, and performance optimization. Hands-on experience migrating data from Mainframes to AWS, including transformation and validation of legacy formats. Proficiency in reading and processing VSAM data using Copybooks and the Cobrix More ❯

a talented Java Developer with strong expertise in Spring Boot to join our team. You'll be involved in the full software development lifecycle-designing, developing, and maintaining high-performance applications that are scalable and reliable. This is a great opportunity to work with modern tools, frameworks, and cloud technologies while contributing to impactful projects. Key Responsibilities Application Development … scalable code; participate in peer code reviews. Debugging & Testing: Troubleshoot issues and conduct unit/integration testing. Collaboration: Work closely with cross-functional teams on requirements, architecture, and design. Performance Optimization: Ensure applications are optimized for speed, scalability, and high availability. Documentation: Maintain comprehensive technical and project documentation. Required Skills & Qualifications Strong expertise in Java and Spring Boot (hands More ❯

GenAI-powered features such as intelligent assistants, content generation, and adaptive UI components. • Evaluate and apply architectural standards and design patterns for frontend and GenAI-enhanced solutions. • Develop high-performance user interfaces using ReactJS; Angular experience is a bonus. • Collaborate with backend teams to integrate Next.js or Node.js-based APIs and GenAI endpoints. • Ensure application compatibility across browsers and … API integration, especially using Next.js or Node.js. • Hands-on experience integrating GenAI models into frontend applications (e.g., chatbots, summarization tools, recommendation engines). • Knowledge of application compatibility, security, and performance optimization. • Familiarity with AWS services related to frontend deployment and GenAI model hosting (e.g., SageMaker, Bedrock). Preferred Skills: • Experience with Angular and hybrid frontend architectures. • Exposure to CI More ❯

GenAI-powered features such as intelligent assistants, content generation, and adaptive UI components. • Evaluate and apply architectural standards and design patterns for frontend and GenAI-enhanced solutions. • Develop high-performance user interfaces using ReactJS; Angular experience is a bonus. • Collaborate with backend teams to integrate Next.js or Node.js-based APIs and GenAI endpoints. • Ensure application compatibility across browsers and … API integration, especially using Next.js or Node.js. • Hands-on experience integrating GenAI models into frontend applications (e.g., chatbots, summarization tools, recommendation engines). • Knowledge of application compatibility, security, and performance optimization. • Familiarity with AWS services related to frontend deployment and GenAI model hosting (e.g., SageMaker, Bedrock). Preferred Skills: • Experience with Angular and hybrid frontend architectures. • Exposure to CI More ❯

GenAI-powered features such as intelligent assistants, content generation, and adaptive UI components. • Evaluate and apply architectural standards and design patterns for frontend and GenAI-enhanced solutions. • Develop high-performance user interfaces using ReactJS; Angular experience is a bonus. • Collaborate with backend teams to integrate Next.js or Node.js-based APIs and GenAI endpoints. • Ensure application compatibility across browsers and … API integration, especially using Next.js or Node.js. • Hands-on experience integrating GenAI models into frontend applications (e.g., chatbots, summarization tools, recommendation engines). • Knowledge of application compatibility, security, and performance optimization. • Familiarity with AWS services related to frontend deployment and GenAI model hosting (e.g., SageMaker, Bedrock). Preferred Skills: • Experience with Angular and hybrid frontend architectures. • Exposure to CI More ❯

Key Responsibilities Design and build high-performance tools and services to validate the reliability, performance, and correctness of ML data pipelines and AI infrastructure. Develop platform-level test solutions and automation frameworks using Python, Terraform, and modern cloud-native practices. Contribute to the platform’s CI/CD pipeline by integrating automated testing, resilience checks, and observability hooks …/EKS, Step Functions, CloudWatch). Proficient in Infrastructure as Code using Terraform to manage and provision cloud infrastructure. Strong understanding of software engineering best practices: code quality, reliability, performance optimization, and observability. Preferred Qualifications Exposure to machine learning workflows, model lifecycle management, or data engineering platforms. Experience with distributed systems, event-driven architectures (e.g., Kafka), and big data More ❯

The Workvivo product & engineering team is a successful, dynamic engineering team developing high quality features. Responsibilities Designing and Developing Robust Backend Services: Architect and create scalable, secure, and high-performance backend services using PHP and Laravel, ensuring optimal functionality and security. Building Modular and Efficient Systems: Design and implement efficient, modular, and reusable front-end and back-end systems … to meet user requirements. Optimizing Code and Implement Libraries: Identify, implement, and manage code libraries to reduce repetitive code, improve application design, and enhance overall software performance. Enhancing Software Performance: Utilize advanced code optimization techniques to boost the robustness, efficiency, and performance of software solutions. Collaborating with Cross-Functional Teams: Work closely with Product Designers, Customer Success Managers … software development role and working on hosted web application/SaaS. Understand OO programming fundamentals, unit testing, design patterns and web app design principles. Possess knowledge of database design, performance and SQL Possess understanding of versioning tools and contribute in feature planning and designing Experience working with RESTful APIs and third-party integrations. Have the ability to contribute to More ❯

CPI) Harness your expertise to lead the heartbeat of the enterprise integration landscape. As our Systems Integration Operations Lead, you'll be at the forefront of ensuring the stability, performance, and continuous improvement of critical SAP CPI environments that power our world-class operations. This is a unique opportunity to influence cutting-edge digital technology strategies while working remotely … within a dynamic retail environment. Orchestrating seamless integrations across CRM, Finance, Logistics, Ecommerce, and HR systems-your leadership and technical prowess will keep the organization connected, secure, and performance-driven. Join a passionate team dedicated to delivering excellence, pioneering automation, and elevating our operational standards to create magic at every touchpoint. Required Skills: Proven hands-on experience managing high … ECC, S/4HANA), and integrations via REST, SOAP, sFTP, JDBC, and other protocols. Programming skills in Groovy, Java, and XSLT with a focus on security, data protection, and performance optimization. Experience managing transport and change governance, incident triage, and root cause analysis. Skilled in monitoring tools like SAP Cloud ALM, observability platforms, and incident management platforms such as More ❯

What you'll do: Lead Shopify web/app development projects from design to delivery Provide technical leadership, code reviews, and mentorship Ensure best practices in CI/CD, performance, and accessibility Collaborate with clients, PMs, and BAs to align on goals Support and inspire your team to grow professionally What you'll bring: 3+ years of Shopify development … complex projects Substantial, relevant experience in software development (HTML, CSS/SCSS, JavaScript, GraphQL) Familiarity working with theme build tools such as Vite.js, Webpack Strong skills in scalable architecture, performance optimization & accessibility Familiarity with DevOps workflows, GitHub, and modern build tools Excellent communication and leadership skills Perks & Benefits: Remote working 25 days holiday + bank holidays Private healthcare, life More ❯

workflows. Observability & Operational Reliability: Establish deep observability into cloud network paths, health indicators, and latency measurements. Apply SRE practices to ensure uptime, fast incident response, and continuous improvement. Drive performance optimization and root cause analysis through telemetry, analytics, and runbooks. Define and monitor SLAs, SLOs, and KPIs related to cloud connectivity experience. Security, Compliance & Governance: Ensure secure design and … matter expert in cloud connectivity across all business units and initiatives. Leadership & Team Development: Lead a global team responsible for cloud network architecture, engineering, and operations. Foster a high-performance culture focused on innovation, automation, and service excellence. Promote knowledge sharing and enablement across cloud and infrastructure domains. What You'll Bring Required Qualifications: 12+ years of experience in … region to region, and service to service-is reliable, performant, and built to scale with business demand. Additional info Total compensation for this role includes base salary, annual discretionary performance bonus, retirement contribution, and a market leading benefits package described below. The base salary range for this role is $181,000.00 - $221,000.00 This is an estimated range, however More ❯

soundness and scalability. Mentor and guide senior and mid-level engineers, fostering technical growth and elevating the overall team's capabilities. Anticipate and address complex system challenges such as performance optimization, fault tolerance, and data-intensive workloads. Influence product direction, leveraging deep technical insight to shape roadmap decisions and ensure backend systems align with long-term business strategy. Knowledge … structures, algorithms, and distributed systems. 5+ years of backend experience building, deploying, and operating large-scale distributed systems in production. Deep expertise in system design, API design, scalability, and performance tuning. Proficiency in at least one modern backend programming language (Java preferred). Hands-on experience with cloud-native architectures, containerization, orchestration, and CI/CD pipelines. We Would More ❯

seeking a highly skilled and motivated Rust Developer to develop a cutting-edge next generation in-house trading engine. The role focuses and developing and deploying a scalable, high-performance code, optimizing system architecture and modularity to ensure seamless operations and functionality. The ideal candidate will be self-driven, motivated, responsible and highly responsive, working independently to develop and … day-to-day trading operations run smoothly. Ownership of Engine Components: Grow into ownership of existing or newly developed trading engine components, such as pricing, market-making, hedging, etc. Performance Optimization: Continuously monitor and optimize trading engine performance. Systems Refactorization: Work on appropriate code modularization, versioning, deployment and test processes. Collaboration with Trading: Work directly with the trading team More ❯

seeking a highly skilled and motivated Rust Developer to develop a cutting-edge next generation in-house trading engine. The role focuses and developing and deploying a scalable, high-performance code, optimizing system architecture and modularity to ensure seamless operations and functionality. The ideal candidate will be self-driven, motivated, responsible and highly responsive, working independently to develop and … day-to-day trading operations run smoothly. Ownership of Engine Components: Grow into ownership of existing or newly developed trading engine components, such as pricing, market-making, hedging, etc. Performance Optimization: Continuously monitor and optimize trading engine performance. Systems Refactorization: Work on appropriate code modularization, versioning, deployment and test processes. Collaboration with Trading: Work directly with the trading team More ❯

seeking a highly skilled and motivated Rust Developer to develop a cutting-edge next generation in-house trading engine. The role focuses and developing and deploying a scalable, high-performance code, optimizing system architecture and modularity to ensure seamless operations and functionality. The ideal candidate will be self-driven, motivated, responsible and highly responsive, working independently to develop and … day-to-day trading operations run smoothly. Ownership of Engine Components: Grow into ownership of existing or newly developed trading engine components, such as pricing, market-making, hedging, etc. Performance Optimization: Continuously monitor and optimize trading engine performance. Systems Refactorization: Work on appropriate code modularization, versioning, deployment and test processes. Collaboration with Trading: Work directly with the trading team More ❯

seeking a highly skilled and motivated Rust Developer to develop a cutting-edge next generation in-house trading engine. The role focuses and developing and deploying a scalable, high-performance code, optimizing system architecture and modularity to ensure seamless operations and functionality. The ideal candidate will be self-driven, motivated, responsible and highly responsive, working independently to develop and … day-to-day trading operations run smoothly. Ownership of Engine Components : Grow into ownership of existing or newly developed trading engine components, such as pricing, market-making, hedging, etc. Performance Optimization : Continuously monitor and optimize trading engine performance. Systems Refactorization: Work on appropriate code modularization, versioning, deployment and test processes. Collaboration with Trading : Work directly with the trading team More ❯

models (LLMs) and AI agents to enhance high-stakes human workflows. This is a user-first, AI-augmented product-your work will translate abstract reasoning tasks into intuitive, high-performance tools that empower experts across research domains. You will lead the development of the frontend and collaborate closely with engineers, AI scientists, product designers, and end users. This is … comprehensive test suites (Jest, React Testing Library, Cypress). Experience with core AWS services (e.g., EC2, S3, Lambda) and infrastructure-as-code using AWS CDK. Experience with system design, performance optimization, observability, and operational excellence during parallel LLM streams. Strong intuition for UX design and a demonstrated commitment to building delightful, workflow-first products. Excellent communication skills and collaborative More ❯

with existing team to ensure smooth transition handover at termination of contract Contribute to CI/CD workflows using Azure Pipelines within an Azure cloud environment. Optimize application for performance, scalability, and accessibility. Troubleshoot and resolve issues across the front end, supporting integration points with back-end services. Maintain design consistency, usability, and accessibility standards across applications. Requirements Proven … of .NET (C#) and how React applications integrate with it. Familiarity with Azure environments, ideally including Azure Pipelines for CI/CD. Strong understanding of responsive design, accessibility, and performance optimization. Familiaity with calender page optimisation A team player with good communication skills More ❯

with existing team to ensure smooth transition handover at termination of contract Contribute to CI/CD workflows using Azure Pipelines within an Azure cloud environment. Optimize application for performance, scalability, and accessibility. Troubleshoot and resolve issues across the front end, supporting integration points with back-end services. Maintain design consistency, usability, and accessibility standards across applications. Requirements Proven … of .NET (C#) and how React applications integrate with it. Familiarity with Azure environments, ideally including Azure Pipelines for CI/CD. Strong understanding of responsive design, accessibility, and performance optimization. Familiaity with calender page optimisation A team player with good communication skills More ❯