51 to 75 of 239 Performance Optimisation Jobs in England

this vacancy only. We look forward to hearing from you! Key Skills: JavaScript, TypeScript, React, Hooks, Context, React Query, CSS (Tailwind), REST APIs, GraphQL, Git, Agile, Testing (RTL), Accessibility, Performance Optimisation More ❯

functional teams to deliver seamless, secure user experiences. Taking ownership of app releases and contributing to the Android roadmap. Mentoring junior engineers and promoting engineering best practices. Working on performance optimisation, secure messaging, and API integrations. Participating in agile ceremonies and contributing to continuous improvement. Experience Strong experience in Android development and Kotlin. Solid understanding of mobile architecture More ❯

ClaimCenter Developer 6+ years’ experience with ClaimCenter, Guidewire Certified. Strong in Gosu, Java, SOAP/REST, Studio, Messaging, Data Model, Rules & Workflows. Lead development, integrations, mentoring, code reviews, and performance optimization. Agile/Scrum experience with solid problem-solving and communication skills. Guidewire ClaimCenter Business Specialist/Analyst 5+ years’ experience with ClaimCenter, Guidewire Certified (preferred). Skilled in More ❯

Hands-on experience with enterprise Linux applications, including: Web servers (Apache, Nginx) Databases (MySQL/MariaDB) Containerisation (Docker, Kubernetes) Automation tools (Ansible) Solid understanding of system security, patching, and performance optimisation. Ability to work both independently and collaboratively in cross-functional teams. Strong problem-solving and communication skills. More ❯

Create comprehensive data visualizations and reports using Power BI Implement Dataverse solutions for data management and integration Develop and maintain connectors for third-party system integrations Ensure solution scalability, performance optimization, and security compliance Solution Architecture Analyze business processes and identify automation opportunities Design end-to-end Power Platform solutions aligned with enterprise architecture Create technical documentation, solution blueprints More ❯

established solutions set the standard a decade ago. Principal Duties and Responsibilities: Linux OS Development: Design, develop, and maintain Linux-based operating systems with a strong emphasis on security, performance, and reliability. System & Security Engineering: Work with Linux distributions, kernel-level components, and networking functionality, applying modern security principles to harden systems against evolving threats. Innovation & Problem-Solving: Investigate … Science, Engineering, or another STEM discipline. Strong problem-solving ability with an innovative and independent mindset. Effective communication and teamwork skills. Desirable: C programming skills for low-level or performance-critical development. Experience with containerisation (Docker, Kubernetes). Familiarity with endpoint security, intrusion detection, or system hardening. Contributions to Linux or open-source projects. Experience with debugging, profiling, or … performance optimisation tools. Why Join Us Shape the future of secure endpoint technology. Work on high-impact projects for global, high-profile clients. Collaborate with a team of experts pushing the boundaries of Linux, networking, and security. Competitive compensation and strong opportunities for professional growth. Package & discretionary benefits: 25 days annual leave plus an additional 2 days after More ❯

established solutions set the standard a decade ago. Principal Duties and Responsibilities: Linux OS Development: Design, develop, and maintain Linux-based operating systems with a strong emphasis on security, performance, and reliability. System & Security Engineering: Work with Linux distributions, kernel-level components, and networking functionality, applying modern security principles to harden systems against evolving threats. Innovation & Problem-Solving: Investigate … Science, Engineering, or another STEM discipline. Strong problem-solving ability with an innovative and independent mindset. Effective communication and teamwork skills. Desirable: C programming skills for low-level or performance-critical development. Experience with containerisation (Docker, Kubernetes). Familiarity with endpoint security, intrusion detection, or system hardening. Contributions to Linux or open-source projects. Experience with debugging, profiling, or … performance optimisation tools. Why Join Us Shape the future of secure endpoint technology. Work on high-impact projects for global, high-profile clients. Collaborate with a team of experts pushing the boundaries of Linux, networking, and security. Competitive compensation and strong opportunities for professional growth. Package & discretionary benefits: 25 days annual leave plus an additional 2 days after More ❯

evolving data environments-spanning traditional MS SQL Server and modern Azure Data Services. You'll be instrumental in supporting transformation initiatives, improving data-centric processes, and ensuring the security, performance, and reliability of core data systems. This is a great opportunity to contribute to a forward-thinking team that values innovation, collaboration, and continuous improvement. Key Responsibilities Manage and … maintain SQL Server and Azure-based data systems Ensure data system security, patching, and performance optimisation Support ETL and data services development using SSIS and SSRS Conduct data analysis, design, and remediation activities Collaborate on transformation projects and change initiatives Identify and implement improvements to data processes and architecture Produce high-quality technical and functional documentation Perform root … Experience Proven experience as a DBA and Data Developer within the Microsoft stack Strong T-SQL skills, including stored procedures and functions Experience with SSIS, SSRS, and SQL Server performance tuning Familiarity with Azure SQL, Azure Analytics, Dataverse, or similar platforms Ability to reverse engineer legacy data structures and perform data analysis Excellent documentation and stakeholder communication skills Desirable More ❯

Develop and maintain demand forecasts across multiple infrastructure categories. Strategically position inventory to meet future operational needs. Manage Bills of Materials (BOMs) for engineering components. Analyse inventory trends and performance using Power BI and other tools. Operations & Reporting Track and report on key performance indicators (KPIs) and objectives. Lead production meetings with internal stakeholders to monitor execution. Publish … production planning reports and insights. Conduct deep-dive analytic to ensure supply continuity and identify optimisation opportunities. Apply manufacturing best practices to supplier engagement and inventory control. Technical Skills Proficient in SQL (query writing, joins, performance optimisation). Strong experience with Power BI (DAX, semantic models, dashboard design). Skilled in Python for data transformation and analytics. More ❯

have a customer-centric approach, aiming to deliver high-quality service and build lasting relationships with our clients. OUR BENEFITS: Flexible and hybrid working Autonomous working Companywide collaborative events Performance reward and achievements Private Health Insurance Pension Contribution And more WHAT WILL YOU BE DOING? In this role, you'll play a key part in optimising our data assets … empower analysts and data scientists, while implementing and maintaining CI/CD pipelines to ensure robust testing and seamless deployments. Working within our Azure infrastructure, you'll focus on performance optimisation, contribute to team standards through code reviews, and stay ahead of emerging automotive datasets to recommend new sources. You'll also create clear, comprehensive documentation to accelerate More ❯

hosted open source services exclusively. We strive towards a strong code-first, data as a product mindset at all times, where testing and reliability with a keen eye on performance is a non-negotiable. JOB SUMMARY A Senior Data Engineer, has the primary role of designing, building, and maintaining scalable data pipelines and infrastructure to support data-intensive applications … services for data storage, processing, and analytics. Data Quality and Governance: Implement and oversee data governance, quality, and security measures. Monitoring, Optimization and Troubleshooting: Monitor data pipelines and infrastructure performance, identify bottlenecks and optimize for scalability, reliability, and cost-efficiency. Troubleshoot and fix data-related issues. DevOps: Build and maintain basic CI/CD pipelines, commit code to version … and DevOps. Mentoring: Mentor and guide junior and mid-level data engineers. Technology Selection: Evaluate and recommend technologies, frameworks, and tools that best suit project requirements and architecture goals. Performance Optimization: Optimize software performance, scalability, and efficiency through architectural design decisions and performance tuning. QUALIFICATIONS Proven experience as a Senior Data Engineer, or in a similar role More ❯

world hardware. Shape how things are done – join early enough to influence architecture, tools, and best practices. Build for growth – contribute to a system that’s scaling rapidly, where performance and stability matter. Be a voice, not a cog – work closely with an elite group of product, hardware and software engineers where your opinions count. What You’ll Be … Experience (or Areas You’ll Grow Into) Working with distributed systems or IoT-style devices. Building internal tools or observability dashboards. Firmware, device protocols, or embedded development exposure. Systems performance optimisation or memory/latency tuning. Python frameworks like FastAPI or similar. Any work in telemetry, edge computing, or robotics. The Perks Competitive salary and meaningful equity Hybrid More ❯

world hardware. Shape how things are done – join early enough to influence architecture, tools, and best practices. Build for growth – contribute to a system that’s scaling rapidly, where performance and stability matter. Be a voice, not a cog – work closely with an elite group of product, hardware and software engineers where your opinions count. What You’ll Be … Experience (or Areas You’ll Grow Into) Working with distributed systems or IoT-style devices. Building internal tools or observability dashboards. Firmware, device protocols, or embedded development exposure. Systems performance optimisation or memory/latency tuning. Python frameworks like FastAPI or similar. Any work in telemetry, edge computing, or robotics. The Perks Competitive salary and meaningful equity Hybrid More ❯

world hardware. Shape how things are done – join early enough to influence architecture, tools, and best practices. Build for growth – contribute to a system that’s scaling rapidly, where performance and stability matter. Be a voice, not a cog – work closely with an elite group of product, hardware and software engineers where your opinions count. What You’ll Be … Experience (or Areas You’ll Grow Into) Working with distributed systems or IoT-style devices. Building internal tools or observability dashboards. Firmware, device protocols, or embedded development exposure. Systems performance optimisation or memory/latency tuning. Python frameworks like FastAPI or similar. Any work in telemetry, edge computing, or robotics. The Perks Competitive salary and meaningful equity Hybrid More ❯

world hardware. Shape how things are done – join early enough to influence architecture, tools, and best practices. Build for growth – contribute to a system that’s scaling rapidly, where performance and stability matter. Be a voice, not a cog – work closely with an elite group of product, hardware and software engineers where your opinions count. What You’ll Be … Experience (or Areas You’ll Grow Into) Working with distributed systems or IoT-style devices. Building internal tools or observability dashboards. Firmware, device protocols, or embedded development exposure. Systems performance optimisation or memory/latency tuning. Python frameworks like FastAPI or similar. Any work in telemetry, edge computing, or robotics. The Perks Competitive salary and meaningful equity Hybrid More ❯

world hardware. Shape how things are done – join early enough to influence architecture, tools, and best practices. Build for growth – contribute to a system that’s scaling rapidly, where performance and stability matter. Be a voice, not a cog – work closely with an elite group of product, hardware and software engineers where your opinions count. What You’ll Be … Experience (or Areas You’ll Grow Into) Working with distributed systems or IoT-style devices. Building internal tools or observability dashboards. Firmware, device protocols, or embedded development exposure. Systems performance optimisation or memory/latency tuning. Python frameworks like FastAPI or similar. Any work in telemetry, edge computing, or robotics. The Perks Competitive salary and meaningful equity Hybrid More ❯

world hardware. Shape how things are done – join early enough to influence architecture, tools, and best practices. Build for growth – contribute to a system that’s scaling rapidly, where performance and stability matter. Be a voice, not a cog – work closely with an elite group of product, hardware and software engineers where your opinions count. What You’ll Be … Experience (or Areas You’ll Grow Into) Working with distributed systems or IoT-style devices. Building internal tools or observability dashboards. Firmware, device protocols, or embedded development exposure. Systems performance optimisation or memory/latency tuning. Python frameworks like FastAPI or similar. Any work in telemetry, edge computing, or robotics. The Perks Competitive salary and meaningful equity Hybrid More ❯

service every time. What you'll be doing Reporting to the Head of Architecture we are looking for an experienced contract DBA to join our team and help optimise performance across a mission-critical, mature software platform. This is a hands-on role focused on diagnosing and fixing performance bottlenecks and improving schema design. Analyse and optimise slow … data access best practices. Redesign and tune schemas where appropriate to improve scalability and maintainability. Support and optimise the Aurora MySQL 2 3 upgrade process, ensuring minimal downtime and performance gains. Identify and eliminate resource bottlenecks, reducing unnecessary cloud consumption. Create repeatable frameworks for query tuning and performance monitoring. Collaborate with product and engineering teams to ensure changes … t meet all of them, we'd still like to hear from you. An experienced DBA with deep expertise in MySQL (Aurora preferred). Proven track record of query optimisation, schema tuning, and indexing strategies in production environments. Familiarity with cloud-native databases and performance optimisation in AWS environments. Strong understanding of database monitoring, profiling, and troubleshooting More ❯

Service, IT, and Sales & Marketing Translate requirements into actionable solutions and scope new projects Contribute to code reviews and continuous improvement initiatives Ensure operational readiness through logging, monitoring, and performance optimisation Candidate Profile Previous experience as a software developer with C#, VB, .NET, and Visual Studio Knowledge of React, APIs, and modern web frameworks (preferred) Strong logical thinking More ❯

upgrades, drive process improvements, and champion Salesforce best practices across the business. Key Responsibilities: Leading the design and delivery of secure, functional Salesforce solutions. Managing platform upgrades, integrations, and performance optimisation. Coaching and mentoring a team of Salesforce Admins. Collaborating with cross-functional teams to enhance our Salesforce offering. Supporting user adoption through training, documentation, and evangelism. Participating in More ❯

written communication skills, with a collaborative and proactive approach to teamwork. Experience working within Agile or hybrid Agile/Waterfall project environments. Desirable Skills: Basic knowledge of SEO, web performance optimization, and user experience (UX) principles. Familiarity with version control systems such as Git, GitHub, or GitLab, and an understanding of basic CI/CD workflows. If this role 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 ❯

SAP BTP, SAP HANA, and cloud platforms (Azure, AWS, or GCP). Proficiency in system integration, middleware, and API management. Solid grasp of data security, compliance (e.g., GDPR), and performance optimization. Excellent communication and stakeholder management skills. Ability to lead cross-functional teams and influence at all levels. Preferred Qualifications SAP certifications (e.g., SAP Certified Technology Associate, SAP S More ❯

Exceptional communication and stakeholder management skills, with the ability to influence decision-making across technical and non-technical teams Desirable skills Familiarity with real-time model serving, monitoring, and performance optimization Experience with LLM frameworks (e.g., LangChain, Hugging Face, Chroma, Mistral) and generative AI applications Domain expertise in areas like operations, personalization and marketing Passion for AI research, R More ❯

Our client are a fast growth business. They are seeking a talented Full-Stack Developer to join their dynamic team, contributing to the design, development, and optimisation of digital lead generation platforms. The ideal candidate will be passionate about automation, API integrations, and conversion-driven user experiences, with a strong understanding of regulatory and compliance frameworks in the UK. … to handle encrypted API communications to protect sensitive customer data. Key Responsibilities Design, develop, and maintain full-stack web applications, focusing on lead generation workflows. Optimize and scale platform performance to handle increasing lead volumes efficiently. Integrate and manage APIs for customer eligibility checks, ensuring encrypted data transmission and receipt in compliance with GDPR and FCA guidelines. Collaborate with … Version Control : Expertise with Git and GitHub for version control and collaboration. Testing and Debugging : Ability to write and maintain unit and integration tests. Experience with debugging tools and performance optimisation. Additional Tools : Familiarity with npm for package management and build processes. Understanding of DevTools for cross-browser testing and responsiveness. Soft Skills and Experience Experience : Minimum of More ❯