Senior Full Stack Developer (Remote, Contractual) [HR214]

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 seeking an experienced Senior Full-Stack Developer with 8+ years of hands-on software development experience, building scalable web applications and cloud-native solutions.  You will support a live, feature-complete Studio product in production, with a focus on maintenance, new feature delivery, and incremental backend API improvements. The role is approximately 70% backend and 30% frontend, working mainly with Node.js, NestJS, Angular, Docker, and Docker Compose.

All services are containerised using Docker and deployed on Google Cloud Run via Artifact Registry. You will work within an existing team and codebase, following established engineering patterns and deployment processes.

• Maintain and enhance a live production platform.
• Deliver new features across the existing product.
• Implement incremental backend API improvements.
• Support the Studio product in production.
• Work across a backend-heavy full-stack split of approximately 70% backend and 30% frontend.
• Build and maintain backend services using Node.js and NestJS.
• Contribute to frontend development using Angular.
• Work with containerised services using Docker and Docker Compose.
• Collaborate within an existing team while self-managing day-to-day delivery.
• Follow established codebase patterns and deployment processes.
• Independently design and document APIs.
• Deliver thoroughly and on time in a maintenance-focused environment.

• Overall 8+ years of experince.
• 4+ years of hands-on experience with Node.js and/or NestJS.
• 3+ years of hands-on experience with Angular.
• 3+ years of hands-on experience with Docker and Docker Compose.
• 4+ years of hands-on experience with REST API design.
• 4–6 years minimum overall professional experience.
• 1+ year of working experience with AI tools such as Claude, MCP, or LLM APIs.
• Comfortable using AI-assisted development tools such as Claude and Cursor.
• Mid to Senior level engineering experience.
• Strong backend capability with the ability to contribute to frontend development.
• Ability to independently design and document APIs.
• Ability to work within an existing team while managing day-to-day work independently.
• Ability to follow established engineering and deployment patterns.
• Thorough approach to maintenance work with timely delivery.

• 2+ years of experience with GCP and Cloud Run.
• 2+ years of experience with Swagger or API documentation.
• Strong API discipline as a substitute for Swagger or API documentation experience.
• 1+ year of experience with microservices architecture.