14 of 14 Performance Optimisation Jobs in Cardiff

of modern software practices. This is a great role for a senior professional who enjoys a high level of visibility and thrives on great business impact. The features and performance improvements you implement directly impact millions of users every day. This is a great role for an experienced professional who has innovative ideas for complex problems and can translate … 3+ years of working with cloud-based technology, such as AWS and GCP. Experience of building large scale and low latency distributed systems. Solid understanding of algorithms, data structures, performance optimisation techniques, object-oriented programming. Experience with distributed caching, SQL/NoSQL and other databases. Experience of container-based orchestration, such as Docker and Kubernetes. Experience using infrastructure 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 ❯

practices with hands-on expertise in GitHub Actions, Jenkins, and GitOps workflows. Strong knowledge of advanced DevOps concepts, including progressive delivery strategies (blue/green, canary), resilience engineering, and performance optimisation. Deep understanding of cloud security, governance, and compliance, with the ability to define and implement scalable security frameworks. Proven ability to drive cross-functional technical initiatives, influence without 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 ❯

pipelines, and cloud infrastructure (AWS, Azure, or equivalent). Database & API Management: Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation Code Review & Quality Assurance Security Best Practices Skills and Experience: Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience leading More ❯

We're excited if you have 10+ years of experience building large scale and low latency distributed systems Command of Java or C++ 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 ❯

of C++ standards, features, and development best practices. Comfortable using scripting languages for automation and tooling. Strong grasp of software architecture principles, with an emphasis on maintainability, scalability, and performance optimization. Understanding of container and orchestration tools such as Docker and Kubernetes. Excellent interpersonal and communication abilities, enabling effective teamwork and collaboration. Strong knowledge of both Linux and Windows 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 RVU's perspective by sharing … 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 ❯

systems including storage, networking, and security considerations. Evaluate, select, and implement VDI technologies (e.g., Citrix Virtual Apps and Desktops, VMware Horizon, Microsoft Azure Virtual Desktop). Ensure high availability, performance optimization, and disaster recovery of VDI environments. Collaborate with IT security, network, and application teams to ensure seamless integration and compliance. Provide technical leadership and mentorship to VDI engineers More ❯

infrastructure and security posture across their purchase and insights platforms. You'll step into a hands-on role and help them tackle challenges from PCI/SOC2 compliance to performance optimisation and cost-efficient migrations (including from their London DC to Frankfurt). What you'll do: Design secure, scalable AWS cloud infrastructure Terraform, CI/CD). … Lead on platform security: zero trust, key management, secure SDLC. Drive observability, performance, and reliability across the stack. Champion security and compliance (PCI DSS, SOC2, ISO 27001). Support migrations, decommissioning, and cost/performance projects. What we're looking for: 5+ years in DevOps/SRE roles with a focus on security (AWS, IAC, ECS, CI/ 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 & reliability. Culture: Enhancing a diverse engineering culture by taking part in various technical catch ups, working groups and All Hands. Experience: Enrich RVU's perspective by sharing your experience … API Integrations. As well as a strong appreciation of A/B Testing, Monitoring and DevOps principles. Solid understanding of mobile app development principles, including UI/UX design, performance optimization/monitoring, capturing analytics and security best practices. A breadth of knowledge and experience with native app development using all aspects of software development and familiarity with cross More ❯

shape secure payment flows and ensure our solutions comply with the highest industry standards. You'll be expected to contribute to architectural decisions, mentor peers, and ensure the robustness, performance, and maintainability of our mobile codebases. Tasks Key responsibilities and expectations SDK Development: Architect, develop, and maintain robust SDKs for the Android platform. Ensure SDK compatibility with various Android … versions and devices. Deliver clear, well-documented APIs for external developer use Implement complex features and drive performance optimisations. Code Quality and Standards Write clean, maintainable, and well-documented code. Review code, enforce quality standards, and provide technical feedback. Contribute to improving CI/CD pipelines and development workflows Proactively identify technical risks and ensure timely resolution of issues … Architecture and Design Contribute to architectural decisions and the adoption of scalable design patterns. Translate complex requirements into elegant technical solutions with high attention to performance and security Collaboration Collaborate cross-functionally with backend services, security, and UX teams Contribute to improving CI/CD pipelines and development workflows Technical Leadership Share knowledge and mentor junior developers within the More ❯

strategy. The ideal candidate will bring hands-on experience with tools such as Apigee and Azure Logic Apps, as well as a solid understanding of integration patterns, security, and performance optimisation. Youll also help shape and embed integration standards and mentor junior developers as the organisation builds a re-usable integration catalogue to accelerate future delivery. This role offers More ❯

within integrated codebases that include both application logic and AI/LLM components Proficiency in React.js, Next.js , tRPC , TypeScript , and Prisma Strong understanding of MySQL , including schema design and performance optimization Practical experience integrating with LLMs, including prompt design and API management Familiarity with orchestration tools such as LangChain or similar Ability to learn quickly and deliver high-quality More ❯