1 to 25 of 50 Performance Optimisation Jobs in the South East

Practices Conduct in-depth reviews of codebases to identify issues, inefficiencies, and potential security vulnerabilities. Provide recommendations on best practices, including coding standards, design patterns, and maintainability improvements. Support performance optimisation through refactoring and improved architecture. Support testing and QA process. 2. Cloud Infrastructure Support & Design Assist in designing, implementing, and optimising cloud infrastructure (predominantly Azure) Provide guidance … and provide remediation strategies. Ensure compliance with industry standards (ISO 27001, GDPR, SOC 2, etc.). Implement best practices for secure software development (OWASP, encryption, IAM, etc.). 6. Performance Optimisation & Scaling Analyse system bottlenecks and recommend performance tuning strategies. Support database optimisations, caching mechanisms, and load balancing strategies. Assist in designing auto-scaling solutions to handle More ❯

coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial software development experience, with … solutions. Desirable Experience with containerisation and orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. Benefits Hybrid working as More ❯

coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial software development experience, with … solutions. Desirable Experience with containerisation and orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. Benefits Hybrid working as More ❯

using JavaScript, Node.js, or Python • Ensure secure authentication and access protocols including OAuth 2.0, OIDC, CORS , and more • Contribute to automated testing with Cypress and unit test coverage • Optimise performance, scalability, and reliability of distributed backend systems • Engage with SQL and NoSQL database systems • Monitor systems via tools like Splunk , StackDriver , and logging frameworks A successful Node.js Developer will … systems • Service Mesh technologies such as Istio • Experience with ESB/SOA , GraphQL, Gradle/Maven Nice to Have: • Knowledge of Swagger, OpenAPI 3.0, SOAP, MQ, JSON • Experience with performance optimisation and high-availability architecture • Exposure to CI/CD automation and testing frameworks Node.js Developer Key Benefits: • Competitive daily rate: £475 Inside IR35 • Hybrid working across More ❯

elite DevOps and technical teams. Responsibilities Lead the charge in architecting, deploying, and operating next-generation platform services encompassing advanced Kubernetes environments, intelligent server provisioning, and game-changing High-Performance Computing systems. Master the art of infrastructure construction through cutting-edge code-driven methodologies utilising industry-leading Terraform, Ansible, and Helm technologies. Engineer bulletproof platform frameworks that enable lightning … fast containerised workloads, distributed systems, and performance-critical trading applications that process millions of transactions. Drive innovation through standardised automation, seamless resource provisioning, and intelligent configuration oversight across multiple high-stakes operational environments. Champion collaboration with elite DevOps, development, and quantitative research teams to unlock platform capabilities and deliver game-changing project outcomes. Bridge worlds by connecting on-site … infrastructure with hybrid and public cloud platforms (Azure, AWS) to supercharge computational capacity and resource federation. Own performance excellence through advanced platform optimisation, real-time monitoring, and rapid incident resolution to maintain mission-critical system availability. Orchestrate seamless operations by coordinating infrastructure updates, security hardening, data protection, and rock-solid business continuity procedures for essential platform components. Champion More ❯

and support both MVC and Console apps , leveraging SQL Server and integrating with external data sources and APIs. Lead end-to-end implementations, including security, 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 … the ASP.NET MVC framework .. Proficient in .NET (C#), JavaScript, Web API, SQL Server , and working knowledge of HTML, CSS, XML, JSON . Comfortable with complex data modelling and performance optimisation in large-scale MVC 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 ❯

and support both MVC and Console apps , leveraging SQL Server and integrating with external data sources and APIs. Lead end-to-end implementations, including security, 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 … the ASP.NET MVC framework .. Proficient in .NET (C#), JavaScript, Web API, SQL Server , and working knowledge of HTML, CSS, XML, JSON . Comfortable with complex data modelling and performance optimisation in large-scale MVC 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 ❯

novel product features. Our products are released for use by both customers within their products and directly to the public within our own encoding workflows and players Profile and optimisation (CPU, memory bandwidth, SIMD/vectorization, threading; GPU/accelerator paths where applicable) to meet compression-ratio, latency and throughput targets. Extend and maintain existing C/C++ (C++17 … or later) codebases; refactor for reliability, portability and readability. Build automated unit, functional, and performance test suites and as a team own test and benchmarking harnesses.Collaborate in an agile environment (code reviews, design discussions, task estimating knowledge sharing and mentoring expected). Manage your deliverables we expect people to take responsibility for their deliveries but not to work in … API documents and integration guides. Qualifications: Must haves: Strong modern C++ (C++17 or later preferred) and solid C fundamentals; confident with low-level memory management, resource lifetime, templates and performance-oriented coding. Several years building and shipping production native code (typically 5+; depth matters more than exact years). Performance analysis & optimization experience using profilers/instrumentation tools More ❯

of Power. You’ll work with data from over 8,000 assets, developing metrics to assess and improve their resilience. Your insights will support strategic planning, risk mitigation, and performance optimisation across the Power function.Your key responsibilities will include: Leading the gathering, integration, and interpretation of operational data to generate actionable insights. Providing detailed analysis to support planning … performance tracking, and risk mitigation. Developing dashboards and reporting tools to support leadership decision-making. Contributing to business cases with financial and risk-based analysis. Supporting strategic planning and performance measurement across the Power function. Collaborating with stakeholders across the business to ensure data-driven programme success. Developing solutions and metrics to assess how resilient Thames Water’s … safe, efficient, and reliable services. Competitive salary up to £48,000 per annum 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays) Performance-related pay plan directly linked to company performance measures and targets Generous Pension Scheme through AON Access to lots of benefits to help you take care of you More ❯

ll do Design and implement data solutions using Snowflake across cloud platforms (Azure and AWS) Build and maintain scalable data pipelines and ETL processes Optimise data models, storage, and performance for analytics and reporting Ensure data integrity, security, and best practice compliance Serve as a subject matter expert in Snowflake engineering efforts within delivery teams Collaborate with internal teams … Identify and escalate technical risks where necessary What you'll need Proven experience designing and delivering enterprise-scale data warehouse solutions using Snowflake In-depth understanding of Snowflake architecture, performance optimisation, and best practices Strong experience in ETL development, data modelling, and data integration Proficient in SQL, Python, and/or Java for data processing Hands-on experience More ❯

CRO Analyst - Digital Experience & Optimisation Brighton or London (hybrid flexibility) £35,000 - £45,000 + Bonus + Unlimited Holiday + Training Budget The Opportunity A fast-growing, entrepreneurial digital business is looking for a Conversion Rate Optimisation (CRO) Analyst to join its high-performing team. Working across a broad portfolio of ambitious brands, you'll take ownership of … part of a dynamic, collaborative environment that values bold ideas, clear thinking, and real results. The Role This is a hands-on, strategic CRO role focused on delivering tangible performance improvements across digital experiences. You'll work closely with data, performance, UX, creative, and tech stakeholders to identify opportunities, build test hypotheses, and implement changes that improve conversion … research findings into wireframes, user flows, and annotated mockups using tools like Figma, InVision, or Adobe XD. Present insights and CRO roadmaps to internal stakeholders and senior leadership. Maintain performance dashboards and clearly communicate testing results, impact, and confidence intervals. Stay up to date with CRO trends, UX psychology, and testing technologies. Use front-end development skills (HTML, CSS More ❯

CRO Analyst - Digital Experience & Optimisation Brighton or London (hybrid flexibility) £35,000 - £45,000 + Bonus + Unlimited Holiday + Training Budget The Opportunity A fast-growing, entrepreneurial digital business is looking for a Conversion Rate Optimisation (CRO) Analyst to join its high-performing team. Working across a broad portfolio of ambitious brands, you'll take ownership of … part of a dynamic, collaborative environment that values bold ideas, clear thinking, and real results. The Role This is a hands-on, strategic CRO role focused on delivering tangible performance improvements across digital experiences. You'll work closely with data, performance, UX, creative, and tech stakeholders to identify opportunities, build test hypotheses, and implement changes that improve conversion … research findings into wireframes, user flows, and annotated mockups using tools like Figma, InVision, or Adobe XD. Present insights and CRO roadmaps to internal stakeholders and senior leadership. Maintain performance dashboards and clearly communicate testing results, impact, and confidence intervals. Stay up to date with CRO trends, UX psychology, and testing technologies. Use front-end development skills (HTML, CSS 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 ❯

Good software engineering skills, with an ability to program clearly, efficiently Strong understanding of, and experience in, server-side web development including: API Design and Development, Security Best Practices, Performanceoptimisation, Service-Oriented Architecture Experience with, or willingness to learn: NodeJS, TypeScript and the NestJS framework, BDD, using CucumberJS and Gherkin, Unit Testing,using Jest, End-to-End Testing, SQL, especially More ❯

to create truly integrated solutions. Champion agile delivery - facilitating agile ceremonies and promoting continuous improvement. ?? What You'll Bring ? Expert Linux sysadmin skills , with a focus on automation and performance optimization. ? Strong hands-on experience with tools like Terraform, Ansible, Zabbix, and Git. ? Cloud knowledge - especially AWS and virtualization tech like Nutanix. ? Great communication skills - you know how to More ❯

to create truly integrated solutions. Champion agile delivery - facilitating agile ceremonies and promoting continuous improvement. ?? What You'll Bring ? Expert Linux sysadmin skills , with a focus on automation and performance optimization. ? Strong hands-on experience with tools like Terraform, Ansible, Zabbix, and Git. ? Cloud knowledge - especially AWS and virtualization tech like Nutanix. ? Great communication skills - you know how to More ❯

Kanban). Proficient with CI/CD tools and practices. Track record of leading teams or making key technical decisions on mobile projects. Demonstrable knowledge of REST APIs and performance optimisation. Committed to accessibility standards and inclusive design. Desirable Skills: Familiarity with tools like Postman , Charles/Proxyman , Bitrise , or GitLab CI . Awareness or exposure to iOS development More ❯

JOB AD: Our client are an XR company combining AI and Graphics Main Responsibilities: Profile and optimisation (CPU, memory bandwidth, SIMD/vectorization, threading; GPU/accelerator paths where applicable) to meet compression-ratio, latency and throughput targets. Extend and maintain existing C/C++ (C++17 or later) codebases; refactor for reliability, portability and readability. Build automated unit, functional … and performance test suites and as a team own test and benchmarking harnesses for our CI. Collaborate in an agile environment (code reviews, design discussions, task estimating knowledge sharing and mentoring expected). Create clear, concise and verifiable technical documentation, such as technical notes, API documents and integration guides. Key Requirements: Strong modern C++ (C++17 or later preferred) and … solid C fundamentals; confident with low-level memory management, resource lifetime, templates and performance-oriented coding. Several years building and shipping production native code (typically 5+; depth matters more than exact years). Performance analysis & optimization experience using profilers/instrumentation tools and acting on the information by planning and carrying out performance optimisation campaigns Clear More ❯

in cloud cost management and FinOps principles, experience in Azure strongly preferred and containerized environments beneficial. Experience with rolling out FinOps related strategies in large scale organizations. Familiarity with performance optimization practices, such as instance rightsizing or workload optimization. Strong reporting, problem-solving and analytical abilities, with attention to detail. Proven hands-on experience in Power BI, or similar More ❯

collaboration What we're looking for: 3+ years of hands-on Rust development experience (or strong systems background with proven Rust adoption) Deep understanding of distributed systems, multithreading, and performance optimisation Experience building cloud-native services on AWS, GCP, or similar Engineers who care about clean, efficient code and delivering real business value Bonus: background in retail tech … you'll do: Build and maintain critical services and APIs in Rust Help design and evolve our event-driven microservice ecosystem using Rust as a core language Write high-performance code to support large-scale data and transaction flows Contribute to team-wide standards and architectural best practices in our Rust codebase Work cross-functionally with product, data, and More ❯

world class AWS event driven design that delivers high performing Artificial Intelligence and Machine Learning services. This will be a challenging and varied position developing new features and APIs, performance optimisation, CICD and test suite improvement, updating core software and infrastructure libraries used across many client services, supporting Data Science and deploying ML systems. More ❯

world class AWS event driven design that delivers high performing Artificial Intelligence and Machine Learning services. This will be a challenging and varied position developing new features and APIs, performance optimisation, CICD and test suite improvement, updating core software and infrastructure libraries used across many client services, supporting Data Science and deploying ML systems. 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 ❯