1 to 25 of 34 Performance Optimisation Jobs in High Wycombe

leads, so strong stakeholder management ability is crucial. Duties: Designing, developing, and optimising full-stack JavaScript systems and components (React, Node.js, Typescript) Scaling and performance optimisation of web front-end and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement software … caching tools and techniques, e.g. Redis, etc Understanding of fundamental software development best practices, architectures and patterns Awareness of modern deployment methodologies Expertise in performance optimisation of web technologies Willingness to challenge process and existing ways of working or to truly own the domain you’re a part More ❯

Data Management Specialist (Azure) - Newcastle/Hybrid 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 is highly desirable. Skills/experience Bachelor … 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 ❯

and building complex front-end features using modern JavaScript frameworks. · Collaborating with UX/UI designers and stakeholders to deliver seamless user experiences. · Ensuring performance, accessibility, and cross-browser compatibility. · Influencing architecture and contributing to product design discussions. · Promoting best practices through code reviews and mentorship. · Staying up to … software. Essential Experience · Significant background in SaaS product development. · Track record of delivering high-quality, user-focused features. · Version control (Git) and collaborative workflows. · Performance optimisation and responsive design implementation. Bonus Points For · Full-stack capabilities with Node.js or similar. · Familiarity with AWS or Azure services. · Experience with 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 … members. Essential Skills & Experience 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 ❯

using Python, with experience in Django, FastAPI, or similar frameworks · Architect and maintain production-grade, multi-tenant systems with a focus on security and performance · Develop RESTful and asynchronous APIs for internal and external consumption · Ensure database performance and reliability with relational and vector database technologies Cloud & Infrastructure … Design and implement AWS-based cloud infrastructure using infrastructure-as-code approaches · Optimise system resources, cost, and performance in cloud environments · Implement robust monitoring, logging, and alerting systems · Maintain CI/CD pipelines for reliable deployment and testing LLM, Agents & AI Integration · Design, build and maintain AI-driven information … cloud services (preferably AWS) and infrastructure-as-code · Experience with containerisation, orchestration, and CI/CD pipelines · Understanding of database scaling, caching strategies, and performance optimisation · Familiarity with LLM technologies and latest utilisation methodologies · Strong understanding of software design principles and coding standards Preferred Skills and Capabilities · Experience More ❯

and microservices leveraging Python and Kafka Collaboration : Partner with frontend developers to seamlessly integrate backend logic. Contribute to UI development using TypeScript and React Performance Optimization : Ensure applications are efficient, scalable, and dependable. Troubleshooting & Monitoring : Detect and resolve issues using tools Database Management : Design and manage data models and 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 ❯

solutions are properly tested, documented, and meet business needs. Manage tasks and ensure agreed-upon delivery timelines. Key Skills & Experience: Expertise in database design, performance optimization, and data warehousing. Strong experience with Azure data technologies, including Azure Databricks, SQL Database, Data Factory, and T-SQL. In-depth understanding of More ❯

backend systems. Full-Stack Development : Build and maintain scalable front-end and back-end systems using Node.js and React (or other JavaScript frameworks). Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross-functional teams including product managers, designers, and other developers 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 ❯

integrated reporting and metrics development aligned with clinical and strategic goals. Participating in lifecycle and change management of analytics platforms. Contributing to system and performance optimizations. Mentoring junior team members and leading reporting development (advanced/expert levels only). Key Tools & Technologies Visualization Tools: Tibco Spotfire, Tableau, Power More ❯

and frontend architecture experience Experience building reporting or data-intensive UI components Familiarity with best practices such as TDD, SOLID principles, clean architecture, and performance optimisation Bonus: knowledge of payroll, finance, or reporting systems Comfortable working remotely, collaborating across teams 💼 Contract Details Rate: £650 + p/d More ❯

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. If this exciting opportunity could be of interest - please let me know ASAP. Interviews can be More ❯

the rollout of new Power BI capabilities and train users where necessary. Collaborate with IT Systems and Finance teams on data improvement initiatives and performance optimisation. Skills/Qualifications Knowledge and Skills Needed to Fulfil the Role: Solid understanding of Power BI, DAX, Power Query, and data modelling best More ❯

Procurement, and Financials 🔸 Develop and expose REST/SOAP APIs while leveraging OCI services such as Functions, API Gateway, and Object Storage 🔸 Optimise integration performance, ensuring secure and scalable design with RBAC , encryption, and secure access 🔸 Monitor and troubleshoot integration issues proactively, ensuring high system reliability and efficiency 🔸 Collaborate … developing and consuming REST/SOAP web services ✅ Advanced knowledge of OCI Services : API Gateway, Functions, Object Storage, Compute ✅ Strong problem-solving skills and performance optimisation expertise This is a high-impact role offering the opportunity to shape integration strategy across a mission-critical Oracle Cloud programme. About More ❯

detailed technical design documentation, including data models, architecture diagrams, and system integrations. Provide leadership and mentorship to development teams, ensuring compliance with coding standards, performance optimization, and best practices. Partner with cross-functional teams to integrate CRM solutions with other business applications and platforms. What you’ll bring 5+ More ❯

and non-technical team members, including clinicians and patients Technical Skills Unity3D and C# programming Version control (Git) UI/UX design for accessibility Performance optimization techniques Android SDK experience (nice to have) Some exposure to database technologies What we offer A competitive salary and benefits package (depending on More ❯

deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. … cloud-native applications and services using Microsoft Azure , including Azure Functions, LogicApps, and container-based services. Drive cost-effective use of cloud services and performance optimization across environments. Ensure cloud architectures support observability, fault tolerance, and high availability. Data Engineering & Intelligent Systems Guide the engineering team in data modelling … software and infrastructure meet organizational security and compliance requirements (e.g., GDPR, ISO 27001, OWASP Top 10). Team Management & Culture Build and scale high-performance engineering teams, including backend, frontend, full-stack, data, and security engineers. Define and track KPIs for engineering productivity, quality, and performance. Promote an engineering More ❯

and deep knowledge of Android SDK Proven experience shipping mobile features at scale Strong understanding of modern Android architecture and design patterns Experience in performance optimisation and scalable UI Confident working in fast-moving, user-focused teams Bonus points for experience in accessibility, testing, or mobile CI/ More ❯

of Power Platform solutions. Implement governance frameworks and enterprise security standards. Integrate Azure AI Foundry, Cognitive Services, and OpenAI models. Ensure compliance, security, and performance optimization. Technical Leadership & Delivery Lead technical discovery sessions and solution design. Provide technical oversight for Power Platform presales and projects. Develop custom connectors, APIs More ❯

Stack Software Developer - for an exciting cutting edge Technology company in Cardiff. The Opportunity: You will play a critical role in ensuring the continued performance, security, and scalability of the platform, and you'll own the system’s evolution, from bug fixes and feature development to proactively identifying innovations … operational and leadership teams to translate business requirements into system developments. Key Responsibilities: System Maintenance and Enhancement: ● Manage day-to-day technical support and performance optimisation. ● Deliver enhancements and improvements from a prioritised backlog. ● Execute system upgrades to maintain compliance and address vulnerabilities. Risk Mitigation: ● Implement and maintain robust More ❯

Responsibilities Design, develop, and maintain responsive and scalable UI components using modern frameworks. Write clean, maintainable, and testable code with a strong focus on performance and user experience. Collaborate with cross-functional teams to define, design, and ship new features. Ensure code quality through unit tests, static code analysis … API integration CSS preprocessors (SASS, LESS) and styling libraries (CSS Modules, Styled Components, TailwindCSS) Nice to Have Contributions to open-source projects Experience with performance optimization and accessibility best practices RE Partners is a technology consulting firm for those leaders that want to become champions by choosing a partner More ❯

infrastructure in the space. What you’ll work on: Ultra-low latency trading systems Building and maintaining exchange connectivity across global venues Systems-level performance optimisation and tuning Working closely with Quant Researchers to support live trading What they’re looking for: Strong engineering skills in Rust (or … C++ with a genuine interest in Rust) Deep understanding of low-level systems and performance-critical environments Experience in HFT, trading infrastructure, or latency-sensitive systems A collaborative mindset – you’ll be working with both quants and fellow engineers daily The setup: Remote-first within Europe London preferred Highly More ❯

and backend engineers to define and deliver impactful features. Code Quality: Ensure code quality through code reviews, unit testing, and adherence to best practices. Performance Optimization: Identify and address performance bottlenecks to ensure a seamless user experience. Continuous Improvement: Stay updated with the latest industry trends and technologies More ❯