15 of 15 Permanent Performance Optimisation Jobs in Wales

for a Staff Software Engineer to take on a leading role within our Magento 2 development team. You'll be a key figure in shaping the architecture, ensuring high performance across multiple websites, and guiding a skilled team of engineers. If you have deep Magento experience, a passion for clean code, and thrive in a fast-paced e-commerce … multiple web stores and application instances in a high-volume e-commerce environment. Set and maintain technical standards, conduct architectural reviews, and ensure best practices across the codebase. Drive performance improvements across frontend and backend with a focus on scalability, speed, and resilience. Support the delivery of business-critical features while maintaining high-quality code and system stability. Collaborate … pipelines and testing practices to support continuous delivery. Provide line management, coaching, and technical mentorship to a team of Magento developers. Own and drive resolution of platform-level issues (performance, technical debt, refactoring, upgrades, etc.). Optionally facilitate Scrum ceremonies (planning, stand-ups, retrospectives) and contribute to improving delivery processes. Engage in regular code reviews, architecture sessions, and technical More ❯

with external data sources and APIs. Manage CRM customisations including plugins, workflow extensions, business rules, forms, and dashboards . Lead end-to-end implementations, including data migration, integration, and performance tuning. Team & Technical Leadership Provide technical direction and oversight to other developers and contractors, helping to manage task allocation, priorities, and quality. Act as a bridge between transformation squads … knowledge of HTML, CSS, XML, JSON . Experience in integrating with Microsoft Azure services such as Logic Apps, Functions, and Azure DevOps pipelines. Comfortable with complex data modelling and performance optimisation in large-scale CRM environments. Adept at explaining technical solutions to non-technical stakeholders and working closely with business users. Hands-on experience with CI/CD … work independently and mentor others. Strong team player who thrives in collaborative environments. Excellent attention to detail and commitment to quality. Organised and capable of working in a high-performance, fast-paced setting. A natural coach, keen to upskill colleagues and foster a strong development culture. Benefits Flexible hybrid working environment Exposure to enterprise-wide digital transformation Opportunity to More ❯

to set up their environments from test to release. You will analyze the specific situation and needs, providing documented guidelines for implementation. You will advise on security standards and performance optimization. You will design, develop, and oversee the implementation of solutions that improve the stability, scalability, availability, and latency of our product. At Backbase, we focus on providing solutions More ❯

if you have 10+ years of experience building large scale and low latency distributed systems Command of Java, C++ or Go/Golang Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming Experience with distributed caching, SQL/NO SQL, and other databases is a plus Experience with Big Data More ❯

in the mobile stack Collaborate with designers and backend engineers to deliver robust, user-friendly solutions Write clean, maintainable, well-tested code following best practices Address and resolve bugs, performance bottlenecks, and edge cases Write or adapt native modules when required for specific platform needs Participate in code reviews, daily stand-ups, sprint planning, and retrospectives Contribute to ongoing … platform-specific customisation Proven track record of delivering high-quality mobile applications to production Experience working in a Scrum/Agile team environment Familiarity with mobile testing, debugging, and performance optimisation tools Clear understanding of app publishing processes on both App Store and Play Store A collaborative mindset, strong communication skills, and the ability to work closely with … More! Product Discount on Net World Sports & Affiliate Partner Products Subsidised On-Site Bistro - Serving Freshly Prepared Food Every Day for Breakfast & Lunch Employee Recognition - Bonus & Commission Schemes and Performance, Length of Service & Life Event Rewards Employee Support - Saving Schemes, Legal & Financial Advice, Parental Guidance OUR VALUES: Go above and beyond: Get stuck in and show your passion! Ideas More ❯

implementation approach, so you can deliver using practices that align with your preferred ways of working Data Driven : Utilise rich logs, metrics, and data to monitor and improve system performance, cost, security & reliability Culture : Enhancing a diverse engineering culture by taking part in various technical catch ups, working groups and all hands Experience : Enrich RVUs perspective by sharing your … of building and designing cost optimised Cloud platforms (preferably Azure) from the ground up, following well architected principles Solid understanding of platform and reliability engineering approaches (SRE), including observability, performance optimisation, capturing analytics and security best practices Experience implementing Service Level Objectives and using them to drive error budgets, risk management and alerting Knowledge and experience with operating More ❯

database solutions in a microservices-based environment. As a member of our team, you will contribute to the full lifecycle of our data persistence layer, from schema design and performance tuning to ensuring robust replication, disaster recovery, and seamless integration within our cloud-native microservice ecosystem. Responsibilities: Design & Develop Database Solutions: Architect, design, and implement highly optimized relational (e.g. … MySQL, PostgreSQL, AWS Aurora, SQL Server) and NoSQL (e.g., MongoDB, DynamoDB, Redis) database schemas, ensuring data integrity, performance, and scalability for microservices. Performance Optimization & Tuning: Proactively analyze and optimize complex queries, implement efficient indexing strategies, and manage partitioning/sharding to ensure peak database performance and handle high throughput. Reliability & Disaster Recovery: Design, implement, and maintain robust … blueprints into robust, maintainable, and high-quality code, applying the latest best practices in software engineering. Required Skills/Experience: 6+ years in roles directly responsible for the availability, performance, and security of critical databases. Expertise in Database Technologies: Strong command of MySQL, PostgreSQL, AWS Aurora, SQL Server and experience with MongoDB, DynamoDB, or Redis, including schema design and More ❯

candidate will be instrumental in designing, maintaining, and evolving our custom Linux distribution and should be deeply familiar with Linux kernel internals, custom builds, device driver development, and system performance optimization. We are looking for someone who is hands-on, takes initiative, and thrives in solving complex technical challenges involving embedded systems, OS-level programming, and secure platforms. This More ❯

multi-disciplinary team to deliver highly user focused and successful digital services ensuring governance standards are adhered to Assist in implementing toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Person specification Essential Experience Experience in delivering technical solutions Experience with modern delivery models such as Scrum and Agile Understanding of DevOps principles Experience More ❯

in existing processes and communicate findings and recommendations to stakeholders. Manage defects, incidents, risks, and issues in line with organisational standards. Assist in implementing toolkits and APIs for integration, performance optimisation, security, and scalability. Explore innovative ways to solve problems and embrace a continuous improvement ethos. Required Skills & Qualifications: Experience in designing, coding, and configuring applications in a More ❯

multi-disciplinary team to deliver highly user focused and successful digital services ensuring governance standards are adhered to Assist in implementing toolkits and APIs for purposes such as integration, performance optimisation, security and scalability. Person specification Experience in delivering technical solutions Experience with modern delivery models such as Scrum and Agile Understanding of DevOps principles Experience of working More ❯

and forms Design of PowerApps integrations with other Azure components such as Logic Apps, Azure Service Bus and Azure Functions Consult on API designs for purposes such as integration, performance optimisation, security and scalability. You will work with service squads, project and operational teams, leading and owning elements of the technology architecture with a focus on Microsoft Azure. More ❯

and forms Design of PowerApps integrations with other Azure components such as Logic Apps, Azure Service Bus and Azure Functions Consult on API designs for purposes such as integration, performance optimisation, security and scalability. You will work with service squads, project and operational teams, leading and owning elements of the technology architecture with a focus on Microsoft Azure. More ❯

Developer to join our e-commerce engineering team. You'll work across multiple sites and systems, delivering robust, scalable solutions and contributing to continuous improvements in code quality, performance, and technical processes. You'll work alongside other developers, QA, DevOps, and product stakeholders to shape high-quality e-commerce features that support business growth and customer satisfaction. WHAT YOU … BRING: Strong commercial experience with Magento 2 Open Source (Adobe Commerce experience is a bonus). Hands-on experience with Hyvä theme and a good understanding of modern frontend performance optimisation. Solid understanding of Magento architecture, including modules, plugins, observers, service contracts, and dependency injection. Experience writing unit and integration tests as part of your normal development process. Familiarity … CI/CD pipelines and modern DevOps workflows. Working knowledge of event-driven architecture and message queues, ideally RabbitMQ. Experience with profiling tools (e.g. Blackfire) for identifying and resolving performance bottlenecks. Comfortable working with Tailwind CSS and Alpine.js in Magento frontend development. Solid experience working in Agile teams, contributing to sprints, participating in ceremonies, and working collaboratively with product More ❯

of our rapidly growing business, with real ownership of projects from day one. You will work on delivering an exceptional user experience across our global Magento websites, focusing on performance optimization, design implementation, and ensuring smooth functionality across all devices. If you are a forward-thinking developer who enjoys working with cutting-edge technologies like Hyvä , Tailwind CSS , and … contributing to a fast-paced eCommerce environment, we'd love to hear from you. WHAT YOU'LL DO: Develop and maintain Magento 2 frontends using Hyvä theme , ensuring high performance and exceptional user experience Implement a range of frontend development projects , from custom module creation to full-scale rollouts Collaborate with design and UX teams to bring to life … exciting features that improve customer engagement and satisfaction Work with Tailwind CSS and Alpine.js to build highly optimized and responsive user interfaces that meet modern web standards Optimize website performance using best practices in frontend development, ensuring fast load times and responsiveness across all devices Proactively identify areas for improvement in our global Magento websites to enhance the customer More ❯