226 to 250 of 297 Performance Optimisation Jobs in the UK

Java . Work with Big Data technologies , including Spark, Hive (nice to have). Collaborate with cross-functional teams to deliver scalable, high-performance solutions. Participate in code reviews, testing, and performance optimization. Ensure best practices in coding, design, and architecture. Skills & Experience Required: 8–12 years ...

Java . Work with Big Data technologies , including Spark, Hive (nice to have). Collaborate with cross-functional teams to deliver scalable, high-performance solutions. Participate in code reviews, testing, and performance optimization. Ensure best practices in coding, design, and architecture. Skills & Experience Required: 8–12 years ...

ideal candidate will have deep expertise in React, RxJS, and modern UI frameworks, combined with strong leadership and architectural skills to deliver high-performance, scalable, and intuitive trading interfaces. Key Responsibilities: Lead UI Development: Own the design and implementation of the front-end architecture for the SDP. Collaborate with … backend teams to deliver seamless user experiences. Technical Leadership: Mentor and guide a team of UI engineers, ensuring best practices in coding, testing, and performance optimization. Integration: Ensure smooth integration with Java-based backend services and real-time data streams. Performance & Scalability: Optimize UI for low-latency, high ...

customers and colleagues. Build high-quality applications using Java (Java 8, 11, 17), Spring Boot, and modern frameworks—ensuring scalability, maintainability, and performance optimization. Collaborate cross-functionally with product managers, designers, and engineers to define requirements, architect solutions, and align with business objectives. Champion best practices through code reviews … Agile environments . A passion for innovation, problem-solving, and continuous improvement. Rewards & Benefits Competitive salary : £48,000–£78,000 (based on experience). Performance bonus : Recently ranging between 8% and 14% . Generous pension : Up to 12% employer contribution . Comprehensive health insurance and wellness programs. Extensive holiday ...

preparation 3. SOA/Microservices 4. JBoss Fuse 5. REST, SOAP 6. AWS, Open Shift 7. Active MQ, Message Broker 8. Extensive experience in performance optimization. 9. Designing Scalable, High Available and fault tolerant infrastructure on AWS or Azure Cloud. 10. Experience with scaling applications deployed on cloud … requirements into technical design. 4. Experience with a variety of architecture/design patterns and idioms 5. Review existing application system to ensure high performance and quality standards 6. Help to assess the security of existing applications and ensure that they meet internal and external compliance mandates. 7. Guide ...

preparation 3. SOA/Microservices 4. JBoss Fuse 5. REST, SOAP 6. AWS, Open Shift 7. Active MQ, Message Broker 8. Extensive experience in performance optimization. 9. Designing Scalable, High Available and fault tolerant infrastructure on AWS or Azure Cloud. 10. Experience with scaling applications deployed on cloud … requirements into technical design. 4. Experience with a variety of architecture/design patterns and idioms 5. Review existing application system to ensure high performance and quality standards 6. Help to assess the security of existing applications and ensure that they meet internal and external compliance mandates. 7. Guide ...

Angular, or Vue.js. Back-End Development: Develop and maintain server-side logic with programming languages like .NET, Node.js, or Python. Nice to have skills: Performance Optimization: Identify and resolve performance bottlenecks in both front-end and back-end systems. Experience with monitoring and logging tools such as Azure ...

Iceberg tables on AWS for schema evolution and ACID operations. Build Iceberg-based ingestion and transformation pipelines using Glue, EMR, or Spark. Ensure high performance for petabyte-scale telecom datasets (CDRs, tower logs, subscriber activity). 4. Querying & Analytics (Athena) Develop and optimize Athena queries for operational and analytical … logs) Customer lifecycle & churn data Billing & revenue assurance Build models and pipelines to support network analytics, customer 360, churn prediction, fraud detection , etc. 7. Performance Optimization & Monitoring Tune Spark/Glue jobs for performance and cost. Monitor Redshift/Athena/S3 efficiency and implement best practices. Perform ...

Leverage VMware tools (e.g., vSphere, vCenter, NSX) to optimize OpenShift deployments. o Configure and manage Pure Storage solutions (e.g., FlashArray, FlashBlade) to provide high-performance, scalable storage for OpenShift workloads. o Ensure compatibility and performance optimization between OpenShift , VMware, and Pure Storage. 4. CI/CD Pipelines ...

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 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 ...

data marts that support complex analytics and operational use cases. Pipeline Optimization: Maintain and optimize data pipelines and warehouse environments to ensure top-tier performance, reliability, and scalability. Cross-Functional Collaboration: Effectively collaborate with cross-functional teams to translate business and technical requirements into high-quality, robust data solutions. …/ELT design and data orchestration, specifically with Apache Airflow. SQL Mastery: Strong SQL skills with significant experience in query tuning and performance optimisation. Programming Proficiency: Proficiency in Python and Bash (for data processing, scripting, and automation). Data Streaming: Familiarity with streaming data technologies (e.g., Kinesis, Kafka ...

data marts that support complex analytics and operational use cases. Pipeline Optimization: Maintain and optimize data pipelines and warehouse environments to ensure top-tier performance, reliability, and scalability. Cross-Functional Collaboration: Effectively collaborate with cross-functional teams to translate business and technical requirements into high-quality, robust data solutions. …/ELT design and data orchestration, specifically with Apache Airflow. SQL Mastery: Strong SQL skills with significant experience in query tuning and performance optimisation. Programming Proficiency: Proficiency in Python and Bash (for data processing, scripting, and automation). Data Streaming: Familiarity with streaming data technologies (e.g., Kinesis, Kafka ...

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 … 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 ...

building something powerful. Let’s build it together. We've delivered high-performance embedded computing solutions for four decades across industries including defence, telecoms, and aerospace. We’re proud to be experts in what we do and are looking for more brilliant people to join our team. The Role … advanced embedded computing products by operations. This is a key position in ensuring that every product meets the company’s exacting standards for performance and reliability and to support the rapidly growing production of our products. What will I be delivering? As a Senior Software Engineer within ...

with full working rights. You’ll work across a modern AWS ecosystem, contributing to new feature development, architecture decisions, automation, and performance optimisation. Tech Stack You’ll Work With You’ll be hands-on with a wide range of AWS services, including: Compute & Serverless: Lambda, EC2 Networking & Security … scalable APIs (REST & GraphQL) Integrate event-driven workflows via EventBridge, SNS, and SQS Implement cloud-native authentication and authorisation using Cognito & IAM Optimise performance, reliability, and cost efficiency Work closely with engineering, product, and DevOps functions Ensure best practices in monitoring, logging, and security What We’re Looking ...

Power, Gas, and Equity products. You will take ownership of implementing complex pricing models, designing calibration routines, integrating market data, and ensuring robust model performance in live trading environments. This position is well suited for someone who blends strong quantitative expertise with production-grade engineering skills and enjoys solving … highly desirable. This role offers the opportunity to influence mission-critical pricing infrastructure used globally, while contributing to innovation in modelling, calibration, and performance optimisation. If you're interested in exploring this opportunity, please get in touch or apply directly via the job advert. ...

Power, Gas, and Equity products. You will take ownership of implementing complex pricing models, designing calibration routines, integrating market data, and ensuring robust model performance in live trading environments. This position is well suited for someone who blends strong quantitative expertise with production-grade engineering skills and enjoys solving … highly desirable. This role offers the opportunity to influence mission-critical pricing infrastructure used globally, while contributing to innovation in modelling, calibration, and performance optimisation. If you're interested in exploring this opportunity, please get in touch or apply directly via the job advert. ...

projects from on-premises to private/public cloud platforms (AWS, Azure, GCP). Continuously monitor, optimise, and troubleshoot virtualised systems to ensure high performance and availability. Collaborate with infrastructure, cloud, and security teams to deliver integrated, cost-effective solutions. Develop and maintain infrastructure documentation, including architecture diagrams, incident … Azure, GCP) and hybrid cloud integration. Good troubleshooting skills across compute, storage, and networking in virtualised environments. Proficiency in data analysis, monitoring, and performance optimisation. A continuous learner who keeps skills up to date with emerging technologies and industry practices. Desirable: Relevant certifications are highly desirable, such as: VMware ...

services. Implement secure authentication, permissions, and session management using Clerk or WorkOS. Configure and interpret observability tools (PostHog, New Relic, DataDog, etc.) to monitor performance, reliability, and user behaviour. Oversee hosting and deployment workflows on Vercel, including environments, preview deployments, and performance optimisation. Lead code reviews, pair/… ideally with time in client-facing product or agency environments. Strong expertise in Next.js, TypeScript, and the React ecosystem, including SSR/SSG and performance optimisation. Proven experience leading or mentoring other developers, including running code reviews and guiding architecture decisions. Experience building and deploying PWAs or complex ...

Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: Develop scalable backend systems … support high-frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus ...

Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: Develop scalable backend systems … support high-frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus ...

high-priority incidents and ensure timely resolution through effective coordination and technical troubleshooting. Deliver and contribute to service improvement initiatives, including automation, monitoring, and performance optimisation. Work alongside the Team Lead and other senior engineers to support project delivery, service transitions, and escalations. Coach and support engineers to develop … documentation skills, able to articulate technical detail clearly to both technical and non-technical audiences. Experience coaching peers and contributing to a collaborative, high-performance culture. Understanding of operational governance, SLAs, and the commercial impact of technical decisions. Proven track record of delivery service improvement or automation initiatives. Experience ...

customer engagements. Key Responsibilities Include: Lead the end-to-end design and delivery of MuleSoft APIs, integrations, event-driven flows, and orchestration layers, ensuring performance, scalability, error handling and monitoring. Architect robust integration solutions connecting Salesforce (Sales Cloud, Service Cloud, and specialist clouds such as Marketing Cloud, CPQ, Experience … Implement API-led connectivity following MuleSoft best practices. Create technical documentation, API specifications (RAML/OAS), and deployment guides. Conduct unit testing, debugging and performance optimisation. Collaborate with Salesforce teams to ensure seamless data and process integration. Support deployments and environment management (Cloud Hub, Runtime Fabric, or on-prem ...

that data models support business reporting and analytics needs while optimizing query performance. Maintain data dictionaries and metadata to document data structures and relationships. Performance Optimization Optimize data storage, retrieval, and query performance by implementing indexing, partitioning, and caching strategies. Monitor data processing performance and address bottlenecks … they arise. Stay updated with best practices in data processing performance tuning. Documentation and Knowledge Sharing Create and maintain documentation for data pipelines, data transformation processes, and data integration procedures. Foster a culture of knowledge sharing within the data engineering team and across the organization. Collaboration and Stakeholder Engagement ...