MCS Group is proud to be partnering again with one of the UK and Ireland's most exciting technology companies in their search for a Senior Software Engineer. The company's product suite sits at the cutting-edge of AI and this firm is truly in growth mode after a fantastic 2025. This is a truly unique opportunity for an experienced software engineer who is seeking to join a tech company that is truly scaling (competing and winning against the big names in AI in industry today) and to future proof their career. Working on one of their core products, as a Senior Back-end Engineer you will own the design, quality, and delivery of back-end systems and services working with Node.js primarily. What You'll Do Lead and mentor more junior back-end engineers. Define architecture, coding standards, and best practices. Work with product and engineering teams to shape technical solutions. Build and maintain back-end services and APIs using Node.js. Ensure systems are scalable, secure, and reliable. What We're Looking For You'll have deep commercial experience in back-end development (Node.js). You'll have a strong background in scalable, server-side architecture. Experience delivering services at scale. Comfortable working in agile teams. Strong communication and technical leadership skills. Salary Up to £75,000 with a leading benefits package which includes amazing annual leave entitlement (one of the best in the private sector) and share options. To speak in absolute confidence about this opportunity, please send an up-to-date CV via the link provided or contact Chris Busby, Associate Director - IT Recruitment, at MCS Group Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles All conversations will be treated in the strictest of confidence. Skills: Software Engineer Node Node.js Lead Software Developer Benefits: Work From Home