Senior Backend Engineer (Node.js / TypeScript)

About the role

We build a multi-tenant management system for residential care homes for the elderly in Hong Kong, covering resident records, care records, medication management, individual care plans and home finances. Our users are frontline care home staff, and the system handles sensitive personal and health data.

Key responsibilities

• Own the backend architecture: API design, PostgreSQL schema and data model decisions

• Lead the migration of care homes from a legacy system onto the new platform

• Run the system in production on AWS: deployment, monitoring, backups, incident response and performance tuning

• Strengthen security and data privacy, including tenant isolation, access control and audit trails

• Build and maintain integrations with external platforms, report generation and printing

• Review code, set engineering standards and mentor other developers

• Work with care home users to turn requirements into technical design

About you

• 5+ years of backend development, with production systems built in Node.js and TypeScript

• Expert PostgreSQL skills: schema design, migrations, indexing, query tuning, transactions and locking

• Hands-on experience running production workloads on AWS (e.g. EC2/ECS, RDS, S3, CloudFront, IAM)

• Solid experience with Docker, Linux and CI/CD

• A track record of owning a system in production end to end, from deployment to incident recovery

• Good written and spoken Chinese, and able to understand how care homes work

• Comfortable using AI-assisted development tools

• Must be a Hong Kong resident or hold a valid permit to work in Hong Kong

• Preferred: Experience with NestJS, tRPC or Prisma

• Preferred: Experience with multi-tenant SaaS or PostgreSQL row-level security

• Preferred: Experience with large-scale data migration from legacy databases (e.g. MySQL)

• Preferred: Experience meeting security and privacy requirements for personal or health data (e.g. Hong Kong PDPO)

• Preferred: Experience with Redis or background job processing

• Preferred: Experience building systems for healthcare, elderly care or social services

• Preferred: Experience with accounting systems (double-entry bookkeeping)

Benefits

• Flexible Working Hours – Manage your own time for work-life balance

• Performance Bonus – Attractive incentive & bonus scheme

• Fully Stocked Pantry – Complimentary snacks and drinks line-up

• Energetic Team Culture – Work alongside a young, collaborative team

• Prime Location – Modern Grade-A office environment