Senior Full Stack JavaScript DeveloperSalary: £80,000 - £85,000 pa (depending on experience) plus Bonus 5%, benefits, perks and healthcare optionsLocation: Hybrid / 2 x days per week - Travel to LondonJob Type: PermanentSecurity Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance (SC).We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you're passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact!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+).Security Clearance Requirements:You must be eligible for Security Check (SC) clearance.Applicants must have resided continuously in the UK for the past 5 years.If you're ready to take the next step in your career and thrive in a fast-paced, innovative environment, we want to hear from you!JBRP1_UKTJ