Senior Backend Engineer - Node.js (Remote, Contractual) [HR176]

About this role

About Smart Working At Smart Working, we believe your job should not only look right on paper but also feel right every day. This isn’t just another remote opportunity - it’s about finding where you truly belong, no matter where you are. From day one, you’re welcomed into a genuine community that values your growth and well-being. Our mission is simple: to break down geographic barriers and connect skilled professionals with outstanding global teams and products for full-time, long-term roles. We help you discover meaningful work with teams that invest in your success, where you’re empowered to grow personally and professionally. Join one of the highest-rated workplaces on Glassdoor and experience what it means to thrive in a truly remote-first world. About the Role We are looking for a Senior NodeJS Developer to join a high-performing Product & Engineering team focused on delivering scalable, real-time, data-driven applications. In this role, you will play a key part in driving engineering excellence across modern SaaS products, contributing hands-on to the design, development, and delivery of platform enhancements and core system improvements. You will work closely with Developers, Product Managers, Designers, and QA teams to build reliable, scalable, and secure software solutions aligned with business and customer needs. This is a highly collaborative senior engineering role where you will help shape architectural decisions, champion engineering best practices, mentor peers through knowledge sharing, and contribute to a strong culture of ownership, quality, and continuous improvement. The ideal candidate is someone who combines strong backend engineering expertise with architectural thinking, product awareness, and a pragmatic approach to modern software delivery.