Senior Front End JavaScript Developer

Senior Front-End JavaScript Developer
UK Wide
£70,000 - £80,000 + perm benefits

This role will require someone either hold current SC clearance or be eligible for SC clearance!

Shape the Future

A leading consultancy practice is currently looking for a passionate and experienced Senior Front-End JavaScript Developer ready to make an impact? Join a dynamic Experience Engineering team and lead the development of impactful web applications for high-profile programmes.

The Role

As a Senior / Lead Front-End Developer, you'll provide technical leadership and mentorship, shaping scalable, high-performance applications that are critical to client success. Working within a collaborative, cross-functional team, you'll drive innovation, influence best practices, and deliver solutions that make a real difference.

What You'll Do

• Lead and mentor a talented team of developers.
• Design, develop, and maintain robust front-end components using HTML5, CSS3, and JavaScript (ES6+).
• Collaborate closely with architects and teams to build scalable, secure solutions.
• Participate actively in agile ceremonies and continuous improvement initiatives.
• Conduct thorough code reviews to maintain high-quality, performant, accessible code.
• Stay ahead of industry trends and foster a culture of continuous learning.
• Engage directly with clients, providing technical leadership and strategic advice.

Your Skills and Experience

• Expertise in HTML5, CSS3, JavaScript (ES6+), and TypeScript.
• Proven experience with Express.js and Nunjucks.
• Familiarity with the (url removed) Design System and CASA UI framework.
• Experience with MongoDB and other NoSQL technologies.
• Knowledge of AWS cloud-native services (IAM, SQS, S3, Secrets Management, KMS).
• Strong understanding of CI/CD pipelines, DevOps practices, and Git version control.
• Deep knowledge of web standards, accessibility, and performance best practices.
• A history of success mentoring developers and leading projects