1 to 25 of 62 Permanent Performance Optimisation Jobs in the North of England

the UK and U.S. This will involve working closely with the Heads of Technology, Software Architects and team leads, so strong stakeholder management ability is crucial. Duties: 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 development processes, including Agile and … Thorough grasp of distributed web 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 of, pushing for innovation through More ❯

and execute the product roadmap in alignment with business growth and customer needs. Identify opportunities to enhance user engagement, conversion, and operational efficiencies. Develop and implement SEO (Search Engine Optimisation), CRO (Conversion Rate Optimisation), and UX/UI strategies to improve site performance and user retention. Ensure digital assets (website, booking systems, customer portals) are optimised for … and bookings. Identify and prioritise new product features based on customer insights, market trends, and competitive analysis. Implement AI-driven personalisation and automation to enhance the customer experience. SEO & Performance Optimisation Lead technical and non-technical SEO initiatives to improve organic growth and search rankings. Work with developers to optimise site performance, page speed, and indexing. Implement … best practices for on-page and off-page SEO, link-building, and structured data. Monitor Google Analytics, HotJar, SQL, and other performance tools to track KPIs and inform decision-making. Lead a cross-functional team including UI/UX designers, analysts, front-end and back-end developers. Establish agile development and design sprint methodologies to drive fast, efficient execution. More ❯

for a Staff Software Engineer to take on a leading role within our Magento 2 development team. You'll be a key figure in shaping the architecture, ensuring high performance across multiple websites, and guiding a skilled team of engineers. If you have deep Magento experience, a passion for clean code, and thrive in a fast-paced e-commerce … multiple web stores and application instances in a high-volume e-commerce environment. Set and maintain technical standards, conduct architectural reviews, and ensure best practices across the codebase. Drive performance improvements across frontend and backend with a focus on scalability, speed, and resilience. Support the delivery of business-critical features while maintaining high-quality code and system stability. Collaborate … pipelines and testing practices to support continuous delivery. Provide line management, coaching, and technical mentorship to a team of Magento developers. Own and drive resolution of platform-level issues (performance, technical debt, refactoring, upgrades, etc.). Optionally facilitate Scrum ceremonies (planning, stand-ups, retrospectives) and contribute to improving delivery processes. Engage in regular code reviews, architecture sessions, and technical More ❯

of working Cloud platforms such as Azure and Google Cloud Designing or contributing to solutions for a Hybrid Cloud Environment Backup/Restore and Disaster recovery processes Defect Management Performance Optimisation Technical fault-finding Level 3 & 4 Security best practises and compliance standards Mentoring Colleagues and supporting technical development of other Service design and associated methodologies Problem solving … remove barriers. Just let us know what you need. We also offer a wide-ranging benefits package, which includes A generous pension contribution of up to 15% An annual performance-related bonus Share schemes including free shares. Benefits you can adapt to your lifestyle, such as discounted shopping. 30 days' holiday, with bank holidays on top A range of More ❯

and enforce best practices in infrastructure as code using tools such as Terraform, Ansible, or CloudFormation. Design and implement monitoring, logging, and alerting solutions to proactively identify and resolve performance issues. Provide technical leadership in troubleshooting complex infrastructure and deployment issues. Collaborate closely with development teams to improve software delivery efficiency and reliability. Implement and uphold security best practices … Experience with observability and monitoring tools such as Datadog, Grafana, or the ELK Stack. In-depth knowledge of networking, security protocols, and firewall configurations. Experience with database management and performance optimisation strategies. Familiarity with software development methodologies, including Agile and Waterfall. Experience in incident response and disaster recovery planning. Certara bases all employment-related decision on merit, taking More ❯

Responsibilities: Lead, motivate, and manage the development team as the Software Development Manager , promoting accountability and technical excellence. Oversee SDLC for .NET applications , ensuring robust coding standards, security, and performance optimization. Implement and enforce peer code reviews and unit testing frameworks. Collaborate with business stakeholders to translate requirements into technical deliverables. Manage project timelines, resources, and delivery as the More ❯

Strategic Leadership: Develop and own the comprehensive growth and digital marketing strategy, aligning closely with the wider Leadership Team and Ops Board to meet broader company objectives. Channel Management & Optimisation: Oversee and optimise the performance of all digital channels (paid social, PPC, SEO, affiliates, programmatic, and emerging platforms), staying abreast of industry best practices and innovation. Establish KPIs … monitor performance with robust reporting frameworks, and ensure proper attribution models are in place. Move with pace to evaluate and implement new channels, tools, and technologies. Agency Management: Lead relationships with digital and creative agencies, ensuring alignment with brand messaging and performance goals, while effectively managing budgets, timelines, and deliverables. Team Development & Culture: Build, mentor, and inspire a … and future trends. Strong analytical acumen with the ability to interpret complex data sets, attribution models and derive actionable insights, and utilise data effectively for strategic decision-making and performance optimisation in a rapidly evolving digital landscape. Experience managing significant marketing budgets (multi-million pound) and a proven history of effectively overseeing multiple agency relationships to drive ROI. More ❯

the financial services or SaaS industry What Were Looking For: Proven experience as a Senior or Lead Developer working with C#/.NET Solid knowledge of SQL Server and performance optimization Proficiency in JavaScript/TypeScript and front-end development Strong problem-solving skills and the ability to work autonomously in a remote setup Comfortable leading technical discussions and More ❯

and maintain web applications using PHP, Laravel, and React Collaborate with teams to define technical requirements and improve architecture Write clean, efficient, and well-documented code Debug and resolve performance and functionality issues Design and optimise MySQL database schemas Participate in code reviews and follow best coding practices Stay updated with emerging web technologies and development trends Required Experience … development experience 2+ years with Laravel 2+ years with HTML/CSS, JavaScript, and jQuery 1+ year with React Experience with MySQL database design Familiarity with nginx configuration and performance optimisation Proficient with Git version control Strong analytical and problem-solving skills Excellent communication and collaboration abilities Preferred (Not Essential) Experience with REST APIs Familiarity with Docker or More ❯

closely with our in-house team, you will ensure that our websites are visually appealing, user[1]friendly, and high performing. You will also be responsible for website speed optimisation, SEO best practices, and integrating marketing tools to enhance overall digital effectiveness. Design & Develop: Create and maintain high-quality, responsive websites using WordPress and Elementor. Performance Optimisation … You: Proven experience as a Website Designer, preferably within a professional services or agency environment. Expertise in WordPress & Elementor - customising themes, layouts, and functionalities. Strong understanding of website speed optimisation & Core Web Vitals. SEO knowledge - on-page optimisation, schema markup, and technical SEO. Proficiency in HTML, CSS, and JavaScript (basic to intermediate). Basic knowledge of PHP and … MySQL for WordPress customisations. Experience with Google Analytics & Search Console for performance tracking and reporting. Familiarity with marketing automation tools & CRM integrations Attention to detail - ensuring consistency in design, functionality, and performance. Ability to collaborate effectively within a team and take feedback constructively Benefits: A salary of £25,000 Working 8.30am until 5pm On site parking Duvet days Early More ❯

native mobile development for either in Android or iOS platforms. Familiarity with playwright end to end testing. Experience using Storybook or component-driven development practices . Familiarity with mobile performance optimisation and accessibility standards . Exposure to Azure (or other cloud services like AWS) Understanding of Agile methodologies (Scrum, SAFe ) Awareness of TDD/BDD workflows Will be More ❯

with cross-functional teams to understand business requirements and translate them into technical solutions Provide technical leadership and mentorship to junior team members Conduct regular system health checks and performance optimizations Troubleshoot and resolve complex technical issues in cloud environments Stay up-to-date with the latest trends and advancements in cloud technologies and AI Develop and maintain documentation More ❯

RxJS and observables. Proven experience with C#, ASP.NET, Web API, and Entity Framework. Familiarity with state management libraries and patterns. Experience with SQL and/or NoSQL databases, including performance optimization. Strong understanding of software development best practices, design patterns, and coding standards. Excellent communication skills, both verbal and written, with the ability to articulate technical concepts to non More ❯

if you have 10+ years 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 plus Experience with Big Data More ❯

in the mobile stack Collaborate with designers and backend engineers to deliver robust, user-friendly solutions Write clean, maintainable, well-tested code following best practices Address and resolve bugs, performance bottlenecks, and edge cases Write or adapt native modules when required for specific platform needs Participate in code reviews, daily stand-ups, sprint planning, and retrospectives Contribute to ongoing … platform-specific customisation Proven track record of delivering high-quality mobile applications to production Experience working in a Scrum/Agile team environment Familiarity with mobile testing, debugging, and performance optimisation tools Clear understanding of app publishing processes on both App Store and Play Store A collaborative mindset, strong communication skills, and the ability to work closely with … More! Product Discount on Net World Sports & Affiliate Partner Products Subsidised On-Site Bistro - Serving Freshly Prepared Food Every Day for Breakfast & Lunch Employee Recognition - Bonus & Commission Schemes and Performance, Length of Service & Life Event Rewards Employee Support - Saving Schemes, Legal & Financial Advice, Parental Guidance OUR VALUES: Go above and beyond: Get stuck in and show your passion! Ideas More ❯

all want to know what the next step in our career looks like and more importantly, how we can get there. That's why we built our own bespoke performance management tool combining clear skill-based progression pathways with qualitative appraisals to get a 360-view of your personal development. Training & Education Learning never stops, no matter your age … Drupal, October) are welcome Automated testing - we use all sorts of automated testing suites from PHPUnit to Behat to Cypress so familiarity with testing your own code is expected Performance optimisation - efficient code and database queries that don't use excessive resources are a critical requirement for many of our projects Security - writing secure code and staying current More ❯

Experience 3+ Years of frontend development experience Expert in HTML, CSS/SCSS, and vanilla JavaScript Proven experience with React and state management (Redux or similar) Strong understanding of performance optimisation and Core Web Vitals Experience implementing and maintaining SEO best practices Proficiency with Git/GitHub in a team environment Experience consuming RESTful APIs and GraphQL endpoints More ❯

Power BI, SSAS Tabular models, and AI tools. • Provide technical leadership and mentoring as a senior development lead on analytics initiatives. • Enhance and support existing reports and dashboards. • Drive performance optimisation and promote best practices across reporting solutions. • Ensure robust testing and documentation of new developments. • Stay ahead of emerging trends in data, analytics, and AI to drive More ❯

development experience Strong hands-on experience with Angular (bonus points for React or other JS frameworks) Deep understanding of JavaScript/TypeScript (ES5 & ES6+) Solid grasp of HTML, CSS, performance optimization, and responsive design Comfortable working with RESTful APIs (bonus: NoSQL, GraphQL, Websockets) Familiarity with modern front-end build tools & pipelines A keen eye for UI/UX best More ❯

10M+ database records. This is a very Big Data platform. Experience building REST services (orchestration layer) on CRUD data services based on Cloudera Hadoop stack, with an emphasis on performance optimization. Understanding how to secure data in a REST architecture. Knowledge of scaling web applications, including load balancing, caching, indexing, normalization, etc. Proficiency in Java/Spring web application More ❯

Adobe Creative Suite (especially Photoshop, Illustrator, XD) Strong experience with UX/UI A good knowledge of Google Analytics, Cloudflare or Hubspot A good knowledge of SEO environments and performance optimisation Please send CVs for more information Web Developer – WordPress, HTML, CSS, PHP, JavaScript, MySQL More ❯

Adobe Creative Suite (especially Photoshop, Illustrator, XD) Strong experience with UX/UI A good knowledge of Google Analytics, Cloudflare or Hubspot A good knowledge of SEO environments and performance optimisation Please send CVs for more information Web Developer – WordPress, HTML, CSS, PHP, JavaScript, MySQL More ❯

systems and APIs, and creating stories for implementation Collaborate with third parties to ensure interoperability and integration compatibility Champion best practices in warehousing techniques (e.g. Kimball), metadata management, and performance optimisation Support delivery through integration testing, reconciliation, and reporting visualisation (e.g. Power BI, Tableau) About You: Proven experience designing data architectures for large-scale platforms and diverse stakeholder More ❯

systems and APIs, and creating stories for implementation Collaborate with third parties to ensure interoperability and integration compatibility Champion best practices in warehousing techniques (e.g. Kimball), metadata management, and performance optimisation Support delivery through integration testing, reconciliation, and reporting visualisation (e.g. Power BI, Tableau) About You: Proven experience designing data architectures for large-scale platforms and diverse stakeholder More ❯

multi-disciplinary team to deliver highly user focused and successful digital services ensuring governance standards are adhered to Assist in implementing toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Person specification Essential Experience Experience in delivering technical solutions Experience with modern delivery models such as Scrum and Agile Understanding of DevOps principles Experience More ❯