Choose a partner with intimate knowledge of your industry and first-hand experience of defining its future.Select your locationSelect your locationIndustriesChoose a partner with intimate knowledge of your industry and first-hand experience of defining its future.London# Senior Full Stack EngineerWe are seeking a highly skilled and experienced Senior Full Stack JavaScript Developer to join our Experience Engineering team. In this role, you will lead the development of innovative web and mobile applications, ensuring high performance, scalability, and maintainability. You will work closely with cross-functional teams to deliver engaging solutions that meet our clients' needs.Join us in our mission to innovate and excel in the defence industry. Our team is at the forefront of developing cutting-edge technologies and solutions that ensure national security and defence. You will have the opportunity to work on and lead groundbreaking projects that involve the latest advancements in artificial intelligence, cybersecurity, and autonomous systems. Our commitment to innovation means you will be part of a team that is constantly pushing the boundaries of what is possible, making a real impact on the future of defence.## **Your Role**• Provide technical leadership and mentorship to a team of developers, guiding them through collaboration, innovation and facilitation to ensure best practices and high-quality code. • Design, develop, and maintain both front-end components of web and mobile applications using React, Angular, TypeScript, Bootstrap 5, HTML, CSS • Apply Test Driven Development (TDD) practices using tools such as Karma to ensure robust and reliable code. • Leverage AI-augmented development tools like GitHub Copilot to accelerate coding, improve consistency, and reduce boilerplate. • Collaborate with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems. • Continuously improve our teams’ development processes, tools, and techniques to enhance productivity and product quality. • Work closely with clients and internal teams to understand requirements, provide technical guidance, and deliver solutions that exceed expectations.## **Your skills and experience**• Design, develop, and maintain both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js. • Proven experience in full stack JavaScript development, with a strong focus on Node.js and server-side development. • Experience using AI-assisted development tools (e.g. GitHub Copilot) to enhance productivity and code quality. • Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js) • Expertise in at least one modern front-end framework (Nest.js, Remix.js). • A track record in a lead or senior developer role, with experience of mentoring and guiding development teams. • Proficiency in HTML5, CSS3, and JavaScript (ES6+).## **Why you should consider Capgemini**Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a diverse collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.Experience levelExperienced ProfessionalsLocationLondon
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