Senior Full Stack Engineer – Ordering

About the role

We are looking for a Senior Full Stack Engineer – Ordering to help build, scale, and evolve Liven’s online ordering platform. This is a senior, hands-on role with strong ownership across backend systems and frontend integration, working on one of the most strategically important and revenue-driving products at Liven.

You will collaborate closely with product managers, designers, and engineers to deliver reliable, high-performance ordering experiences that directly impact customers and business outcomes.

What you'll do

• Design, build, and maintain scalable backend services and RESTful APIs using Node.js and Express.js
• Develop end-to-end features across backend and frontend layers with a strong focus on performance and reliability
• Integrate and optimise Firebase, Firestore, and Google Cloud Functions for real-time and serverless workflows
• Work closely with frontend engineers using React.js to ensure clean API contracts and seamless UI integration
• Contribute directly to frontend development, particularly around API integration and data-driven UI components
• Optimise data storage, caching, security, and system performance across distributed services
• Participate in architectural decisions and help shape the technical direction of the ordering platform
• Support CI/CD pipelines, cloud deployments, monitoring, and production readiness
• Troubleshoot production issues and ensure high availability of revenue-critical systems
• Contribute to sprint planning, technical discussions, and continuous improvement initiatives

Qualifications

• 5+ years of backend development experience, including 3+ years with Node.js / Express.js
• Strong experience as a Full Stack Engineer, working across both backend and frontend technologies
• Solid proficiency with React.js, particularly in API integration and collaboration with UI teams
• Hands-on experience with Firebase, Firestore, and Cloud Functions
• Strong understanding of online ordering systems, payments, or e-commerce platforms
• Experience designing and consuming RESTful APIs and working with microservice architectures
• Cloud experience with GCP or AWS
• Familiarity with Git, CI/CD pipelines, and Agile development practices
• Strong problem-solving skills and clear communication in cross-functional teams

Good to Have

• Experience with POS systems or restaurant/hospitality technology
• Understanding of real-time order tracking, inventory synchronisation, and loyalty systems
• Experience with TypeScript and/or GraphQL
• Experience working on high-availability, revenue-critical systems