1 to 25 of 92 Performance Optimisation Jobs in Wales

narrow-right Job Views: 4 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: You will provide expert-level troubleshooting, root cause analysis, and performance optimisation for data platforms, such as Azure SQL databases, Fabric Warehouse and Onelake, Databricks, and Azure Data Factory. Purview or another MDM tool … initiatives. Work collaboratively with IT teams, business stakeholders, and external vendors to enhance data management capabilities. Provide expert-level troubleshooting, root cause analysis, and performance optimisation for data platforms, such as Azure SQL databases, Fabric Warehouse and Onelake, Databricks, and Azure Data Factory. Document technical solutions, best practices More ❯

Skills & Experience 5+ years of commercial experience in C# and .NET. Expertise in: .NET Framework and WinForms Modern .NET (.NET 9) SQL Server (including performance optimisation) Front-end tech (HTML, CSS, JavaScript) Proven experience with application modernisation, including migrating legacy WinForms applications to modern web platforms (Blazor preferred More ❯

Skills & Experience 5+ years of commercial experience in C# and .NET. Expertise in: .NET Framework and WinForms Modern .NET (.NET 9) SQL Server (including performance optimisation) Front-end tech (HTML, CSS, JavaScript) Proven experience with application modernisation, including migrating legacy WinForms applications to modern web platforms (Blazor preferred More ❯

candidate will lead a feature team responsible for ensuring the seamless migration and integration of Oracle databases, while upholding best practices in data integrity, performance, and security. This is a pivotal role for an experienced professional passionate about data engineering and transformational delivery. Key Responsibilities Lead the planning and … execution of Oracle database modernisation, conversion, and migration activities, ensuring alignment with project timelines and deliverables. Oversee database architecture assessments and performance optimisation efforts. Collaborate with development and architecture teams to improve data flow and streamline database operations. Conduct thorough testing and validation of migrated data to ensure … leadership to team members. Extensive experience as an Oracle DBA with deep expertise in Oracle Exadata. Strong knowledge of Oracle Database architecture, tools, and performance tuning techniques. Proven track record with data migration methodologies and execution. Skilled in SQL and PL/SQL programming. Experience with database backup, recovery More ❯

candidate will lead a feature team responsible for ensuring the seamless migration and integration of Oracle databases, while upholding best practices in data integrity, performance, and security. This is a pivotal role for an experienced professional passionate about data engineering and transformational delivery. Key Responsibilities Lead the planning and … execution of Oracle database modernisation, conversion, and migration activities, ensuring alignment with project timelines and deliverables. Oversee database architecture assessments and performance optimisation efforts. Collaborate with development and architecture teams to improve data flow and streamline database operations. Conduct thorough testing and validation of migrated data to ensure … leadership to team members. Extensive experience as an Oracle DBA with deep expertise in Oracle Exadata. Strong knowledge of Oracle Database architecture, tools, and performance tuning techniques. Proven track record with data migration methodologies and execution. Skilled in SQL and PL/SQL programming. Experience with database backup, recovery More ❯

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 More ❯

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 More ❯

control best practices Comfortable integrating APIs and using tools like Composer and NPM Experience working with (and improving) legacy codebases Strong problem-solving and performance optimisation skills Experience leading projects and mentoring developers Good communicator and a team player Strong attention to detail with a passion for writing More ❯

control best practices Comfortable integrating APIs and using tools like Composer and NPM Experience working with (and improving) legacy codebases Strong problem-solving and performance optimisation skills Experience leading projects and mentoring developers Good communicator and a team player Strong attention to detail with a passion for writing More ❯

control best practices Comfortable integrating APIs and using tools like Composer and NPM Experience working with (and improving) legacy codebases Strong problem-solving and performance optimisation skills Experience leading projects and mentoring developers Good communicator and a team player Strong attention to detail with a passion for writing More ❯

to deliver highly user focused and successful digital services ensuring governance standards are adhered to Implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Keeping an open mind and exploring innovative ways to solve problems, working in a fail-fast fashion to provide More ❯

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 More ❯

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 More ❯

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 More ❯

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 More ❯

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 … 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 More ❯

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 … 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 More ❯

include IT support, broadband connectivity, telephone systems, and proactive cybersecurity protection. Modern Networks ensures business continuity through data backup and disaster recovery solutions, optimises performance by managing IT infrastructure, and enhances communications by monitoring and optimising network performance. They also help businesses achieve and maintain compliance with industry regulations … EPICs, Stories, Task, Issues, Bugs). Excellent stakeholder management, communication, and interpersonal skills. Skilled in data modelling, ELT pipelines, and SQL. Knowledge of cloud performance optimisation and cost management. Experience with the definition of data strategy, global data platform strategy, and development roadmaps aligned with the company’s More ❯

include IT support, broadband connectivity, telephone systems, and proactive cybersecurity protection. Modern Networks ensures business continuity through data backup and disaster recovery solutions, optimises performance by managing IT infrastructure, and enhances communications by monitoring and optimising network performance. They also help businesses achieve and maintain compliance with industry regulations … EPICs, Stories, Task, Issues, Bugs). Excellent stakeholder management, communication, and interpersonal skills. Skilled in data modelling, ELT pipelines, and SQL. Knowledge of cloud performance optimisation and cost management. Experience with the definition of data strategy, global data platform strategy, and development roadmaps aligned with the company’s More ❯

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 More ❯

Overview: My client is a specialist engineering company that builds white label video streaming applications for global media brands. They focus on delivering high performance, scalable solutions across Roku, web, and mobile platforms. They are now looking for an experienced Roku Developer to join their team and work across … multiple branded streaming apps. This person will take the lead on feature development, performance optimisation, and ensuring alignment with Roku certification standards. Key Responsibilities: Build and deploy Roku applications using BrightScript and SceneGraph Configure and launch white-label apps for 18+ video streaming clients Lead development of major … features including templated views, DRM, and EPG Integrate ad tech (Roku Ad Framework) and analytics (Google Analytics) Drive performance enhancements, reducing load time, memory use, and CPU usage Required Skills: Strong experience with BrightScript and SceneGraph Track record of Roku app development and deployment Familiarity with Roku Advertising Framework More ❯

Overview: My client is a specialist engineering company that builds white label video streaming applications for global media brands. They focus on delivering high performance, scalable solutions across Roku, web, and mobile platforms. They are now looking for an experienced Roku Developer to join their team and work across … multiple branded streaming apps. This person will take the lead on feature development, performance optimisation, and ensuring alignment with Roku certification standards. Key Responsibilities: Build and deploy Roku applications using BrightScript and SceneGraph Configure and launch white-label apps for 18+ video streaming clients Lead development of major … features including templated views, DRM, and EPG Integrate ad tech (Roku Ad Framework) and analytics (Google Analytics) Drive performance enhancements, reducing load time, memory use, and CPU usage Required Skills: Strong experience with BrightScript and SceneGraph Track record of Roku app development and deployment Familiarity with Roku Advertising Framework More ❯

Quatro is one of the fastest growing performance and training leotard brands in the world. We are a global business with three office locations in the UK, France, and USA. A trusted brand by gymnastics federations across Switzerland, Finland, Gymnastics Ireland, South Africa, and more. With over … Integrate third-party apps and APIs to extend Shopify store functionality. Troubleshoot and resolve technical issues related to Shopify and eCommerce operations. Ensure website performance, security, and mobile responsiveness. Work closely with designers and marketing teams to align store aesthetics and functionality with branding and conversion goals. Optimise website … speed, performance, and SEO best practices. Provide ongoing support, updates, and maintenance for Shopify websites. Stay up-to-date with the latest Shopify updates, eCommerce trends, and best practices. Required Skills and Qualifications: Proven experience as a Shopify Developer with a portfolio of Shopify-based projects. Experience in custom More ❯

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 backup, disaster recovery, and high-availability solutions, including replication (master-slave/multi-master) and failover configurations, to ensure data durability and system uptime. Cloud Database Management: Deploy, configure, and manage database instances within cloud More ❯

models, and A/B testing frameworks . Deploy and monitor applications using AWS (EC2, S3, CloudFormation, ECS) . Ensure data security, compliance, and performance optimization. Requirements: 4+ years of experience in software engineering, with a focus on backend development. Experience building analytics and marketing tools (e.g., dashboards, tracking More ❯