1 to 25 of 30 Contract Performance Optimisation Jobs in the UK

development expertise using React and TypeScript. Experience building solutions using Next.js (preferred) and/or .NET Core. Solid grasp of component-based architecture, client-server integration and front-end performance optimisation. Test-driven mindset with demonstrable experience in: Unit testing (e.g. Jest, XUnit) Integration and E2E testing (e.g. Cypress) Proficient in Git and working with version control in collaborative More ❯

development expertise using React and TypeScript. Experience building solutions using Next.js (preferred) and/or .NET Core. Solid grasp of component-based architecture, client-server integration and front-end performance optimisation. Test-driven mindset with demonstrable experience in: Unit testing (e.g. Jest, XUnit) Integration and E2E testing (e.g. Cypress) Proficient in Git and working with version control in collaborative More ❯

of modern JavaScript and TypeScript HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility Database Technologies Oracle (Preferred) - Database development, PL/SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework - ORM experience for data access layer implementation Essential Requirements 5+ years full stack development experience Software … organisational levels Degree level qualification or equivalent corporate experience Desirable Skills Azure/AWS cloud platform experience Docker containerization knowledge Automotive or manufacturing industry experience Test-driven development (TDD) Performance optimization and scalability techniques Content Management Systems knowledge Key Responsibilities Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend Design and implement database More ❯

of modern JavaScript and TypeScript HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility Database Technologies Oracle (Preferred) - Database development, PL/SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework - ORM experience for data access layer implementation Essential Requirements 5+ years full stack development experience Software … organisational levels Degree level qualification or equivalent corporate experience Desirable Skills Azure/AWS cloud platform experience Docker containerization knowledge Automotive or manufacturing industry experience Test-driven development (TDD) Performance optimization and scalability techniques Content Management Systems knowledge Key Responsibilities Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend Design and implement database More ❯

of modern JavaScript and TypeScript HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility Database Technologies Oracle (Preferred) - Database development, PL/SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework - ORM experience for data access layer implementation Essential Requirements 5+ years full stack development experience Software … organisational levels Degree level qualification or equivalent corporate experience Desirable Skills Azure/AWS cloud platform experience Docker containerization knowledge Automotive or manufacturing industry experience Test-driven development (TDD) Performance optimization and scalability techniques Content Management Systems knowledge Key Responsibilities Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend Design and implement database More ❯

HTML, CSS, JavaScript, and responsive design principles. NET experience preferred Experience working with CMS platforms and contributing to large-scale digital projects. A solid understanding of accessibility standards and performance optimisation. A collaborative approach and excellent communication skills. More ❯

of Flows, extensions, and higher-order functions Proven Jetpack Compose experience, with strong knowledge of Jetpack libraries Previous experience in greenfield/rebuild projects from scratch Confident troubleshooting and performance optimisation skills Experience with RESTful APIs, TDD, Unit Testing and Automation Agile (SCRUM) background Solid DevOps knowledge: CI/CD with Git and Azure DevOps Comfortable in fast More ❯

of Flows, extensions, and higher-order functions Proven Jetpack Compose experience, with strong knowledge of Jetpack libraries Previous experience in greenfield/rebuild projects from scratch Confident troubleshooting and performance optimisation skills Experience with RESTful APIs, TDD, Unit Testing and Automation Agile (SCRUM) background Solid DevOps knowledge: CI/CD with Git and Azure DevOps Comfortable in fast More ❯

implement browser automation workflows for data collection across multiple web platforms Create tools for managing browser sessions, handling JavaScript-heavy sites, and bypassing common anti-bot measures Optimise scraping performance and reliability for high-volume data collection operations Collaborate with data engineering and product teams across global organisations Deliver high-quality, efficient code in an agile environment with minimal … running Experience working in global, distributed teams Desirable Skills Knowledge of CAPTCHA handling and browser fingerprinting Familiarity with data parsing and extraction from various web formats Understanding of web performance optimisation and caching strategies More ❯

implement browser automation workflows for data collection across multiple web platforms Create tools for managing browser sessions, handling JavaScript-heavy sites, and bypassing common anti-bot measures Optimise scraping performance and reliability for high-volume data collection operations Collaborate with data engineering and product teams across global organisations Deliver high-quality, efficient code in an agile environment with minimal … running Experience working in global, distributed teams Desirable Skills Knowledge of CAPTCHA handling and browser fingerprinting Familiarity with data parsing and extraction from various web formats Understanding of web performance optimisation and caching strategies More ❯

a skilled Android Developer to join an exciting project team in Sheffield. You'll work in an agile and DevOps-driven environment, contributing to the development of robust, high-performance mobile applications used at scale. What You'll Bring: Strong experience in Android app development using Kotlin and Java In-depth knowledge of the Android framework and commonly used … Android Studio , Gradle , and Git Solid understanding of mobile app architecture , design patterns , and best practices Confident working with RESTful APIs , JSON , and third-party library integrations Experience in performance optimisation , memory management , and app security Good exposure to automated testing frameworks for mobile Strong grasp of the full mobile development life cycle Hands-on experience with version More ❯

formerly Azure AD). Integrate with Azure services (Logic Apps, Blob Storage, Service Bus, Functions) to enable hybrid or file-based flows. Conduct full end-to-end testing and performance optimisation for high-volume data operations. Ensure integrations are secure, auditable, and compliant with data protection standards. Monitor integration performance using Application Insights, Log Analytics, and other More ❯

formerly Azure AD). Integrate with Azure services (Logic Apps, Blob Storage, Service Bus, Functions) to enable hybrid or file-based flows. Conduct full end-to-end testing and performance optimisation for high-volume data operations. Ensure integrations are secure, auditable, and compliant with data protection standards. Monitor integration performance using Application Insights, Log Analytics, and other More ❯

to enhance user experiences. Collaborate with functional consultants and business stakeholders to gather requirements and translate them into technical solutions. Ensure best practices in application lifecycle management, security, and performance optimization. Troubleshoot and resolve issues related to Logic Apps, Power Apps, and D365 CE integrations. Document technical designs, processes, and configurations. Required Skills & Experience: Proven experience with Azure Logic More ❯

Gradle and Git.· Strong understanding of mobile app architecture, design pattern and best practices.· Familiar with RESTful APIs, JSON, network framework and third party library integration.· Experience in handling performance optimisation, memory management and app security.· Good to have knowledge about testing frameworks.· Solid understanding of mobile app development life cycle.· Hand on experience on Version Control Systems More ❯

4+ years of Magento development experience Proficient in PHP Familiar with Git, Jira, Bitbucket, and agile processes. Solid problem-solving abilities and a collaborative mindset. Understanding of responsive design, performance optimisation, and cross-browser/device compatibility. More ❯

Responsibilities: ? Development, Maintenance, Production Support and delivery of FoxPro based applications. ? Collaborate with cross-functional teams including designers, product owners, managers, and stakeholders. ? Ensure high quality code standards, security, & performance optimization. ? Stay with current trends and new technologies. Key Skills & Experience: ? Strong knowledge of FoxPro, Git, Code Version Management ? Strong knowledge of data structures ? Hands on experience in working More ❯

interfaces, deterministic data flows, and complex multi-threaded processing pipelines. This is a hands-on development role focused on the Linux environment, with additional contributions in system integration and performance analysis. The successful candidate will play a key role in enabling advanced test and validation capabilities for internal engineering teams. Key Responsibilities Design and develop real-time software for … threaded applications Implement deterministic data sequencing and synchronisation logic Collaborate with hardware teams for seamless integration and timing alignment Lead and support system-level integration, verification, and testing Conduct performance optimisation, profiling, and debugging Document architecture, interface specifications, and test procedures Required Skills & Experience Strong experience in C++ development on Linux platforms Proficiency in C# for tooling or … e.g., with PCIe cards) Experience building custom sequencing frameworks or state machines for test automation Familiarity with hardware-software integration and system-level debugging Solid grasp of software architecture, performance tuning, and memory management Proficient with version control tools (e.g., Git ) and CI/CD pipelines Desirable Skills Experience with SFPDP in defence, aerospace, or high-speed data acquisition More ❯

CocoaPods, and Git.· Strong understanding of mobile app architecture, design pattern and best practices.· Familiar with RESTful APIs, JSON, network framework and third party library integration.· Experience in handling performance optimization, memory management and app security.· Good to have knowledge about testing frameworks.· Solid understanding of mobile app development life cycle.· Hand on experience on Version Control Systems & collaborative More ❯

design and implementation of Salesforce Field Service solutions, ensuring alignment with business objectives and technical best practices. 2.Guide architecture decisions for integrations, data migrations, data models, customizations, and platform performance optimization. 3.Conduct code reviews to assess quality, adherence to coding standards, and optimal technical design. 4.Troubleshoot complex technical issues and provide solutions for efficient resolution. 5.Assist with development tasks More ❯

Robert Half are recruiting for a Contract Mobile Application Developer for a short-term engagement focused on code review, documentation, and recommendations for performance and efficiency improvements . The application is live on both Android and iOS , and the codebase is built using Xamarin (C#) with separate platform projects and a shared core. Key Responsibilities: Conduct a thorough code … review of the existing Xamarin solution Produce clear and structured technical documentation Identify opportunities for performance optimisation , codebase efficiency , and modernisation Provide actionable recommendations for future development and maintenance Key Technical Requirements: Strong experience with Xamarin.Forms or Xamarin Native (Android/iOS) Proficiency in C# , .NET , and Visual Studio Familiarity with mobile architecture , dependency injection , and cross-platform More ❯

experience preferred) Collaborate with business and compliance teams to ensure system design meets regulatory standards (including exposure to US financial regulations where relevant) Contribute to architecture decisions, governance, and performance optimisation across the Salesforce estate Requirements: Extensive Salesforce development experience (APEX, LWC, Experience Cloud) Strong understanding of Salesforce integration patterns (REST/SOAP APIs, MuleSoft) Background in Financial More ❯

Design and develop customizations using plugins, workflows, Power Automate, Power Apps, JavaScript, and .NET technologies Oversee integration projects, including data migrations from legacy systems and third-party applications. Ensure performance optimization, security compliance, and maintainability of CRM solutions. Mentor and guide development teams, conduct code reviews, and enforce best practices More ❯

Active SC) to work with a high profile end customer. Key Requirements: Proven experience as a Database Administrator (PostgreSQL DBA) Active Security Clearance (SC) Core development/maintenance and performance optimisation (sharding, partitions) Experience with clustering and extensions such as Pgvector PostGIS and AGE Data migration experience from existing database(s) to Postgres database(s) Ability to recreate More ❯

Active SC) to work with a high profile end customer. Key Requirements: Proven experience as a Database Administrator (PostgreSQL DBA) Active Security Clearance (SC) Core development/maintenance and performance optimisation (sharding, partitions) Experience with clustering and extensions such as Pgvector PostGIS and AGE Data migration experience from existing database(s) to Postgres database(s) Ability to recreate More ❯