Senior NodeJS Developer (Remote, Full-Time) [HR176]

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. \n Responsibilities

• Develop and maintain scalable applications using NodeJS, TypeScript, MongoDB, Docker, and related technologies
• Contribute hands-on across the full software development lifecycle, from design through deployment and support
• Collaborate closely with developers, designers, QA, and product stakeholders to deliver high-quality product features and enhancements
• Participate actively in Agile ceremonies, including sprint planning, standups, retrospectives, and estimation sessions
• Review technical designs, requirements, and specifications to provide constructive feedback and ensure engineering quality
• Identify technical risks, dependencies, and architectural considerations early in the development process
• Drive engineering best practices across CI/CD, testing, observability, security, and code quality
• Contribute to architectural strategy and support scalable, maintainable system design decisions
• Build and support real-time, event-driven, and data-intensive platform capabilities
• Participate in an on-call support rota and contribute to incident resolution and operational stability
• Collaborate across business and technical teams to align engineering delivery with commercial and customer objectives
• Promote knowledge sharing, documentation, and continuous improvement across the engineering organisation
• Leverage AI-assisted development tools to improve engineering productivity and delivery efficiency Requirements
• Strong professional experience with NodeJS and TypeScript in production environments
• Strong experience with MongoDB and NoSQL database design, including:
• Schema modelling
• Indexing strategies
• Aggregation pipelines
• Performance optimisation
• Hands-on experience with Docker and containerised application development
• Experience designing and building scalable backend systems and APIs
• Strong understanding of event-driven architectures and distributed systems
• Experience working with real-time, data-driven SaaS platforms
• Solid understanding of software architecture and ability to contribute to architectural decision-making
• Strong understanding of engineering best practices, including:
• CI/CD pipelines
• Code reviews
• Automated testing
• Observability and monitoring
• Performance optimisation
• Security practices
• Understanding of OWASP Top 10 security vulnerabilities and mitigation techniques
• Experience working within Agile software development environments
• Strong communication and collaboration skills across cross-functional teams
• Experience working with cloud environments such as AWS or GCP
• Experience with container orchestration platforms such as Kubernetes
• Ability to troubleshoot issues through to resolution in production systems
• Experience in