Senior Software Engineer (Full-Stack NodeJs)

We are building a large-scale, cloud-native, multi-tenant and payment platform serving building management teams, event organizers, and end users nationwide. The system collects and processes waste-sorting data, manages scoring and reward mechanisms, and integrates with external partner systems.

Responsibilities

• Develop and maintain services using TypeScript/Node.js with clean, scalable architecture.
• Implement multi-tenant application logic: tenant scoping, RBAC, and data isolation.
  
• Design and optimize PostgreSQL schemas, queries, and migrations.
  
• Build and maintain APIs; integrate external partners via APIs/webhooks.
  
• Ensure backend logic is efficient, stable, and reliable.
  
• Write unit/integration tests; maintain strong validation and error-handling patterns.
  
• Collaborate with Tech/DevOps during deployment (no infra/K8s responsibilities).
  
• Package services using Docker; define runtime/config requirements.
  
• Use AI-assisted development tools to improve speed and consistency.

Yêu cầu ứng viên

• 4+ years of backend engineering experience, primarily with TypeScript/NodeJs (NestJs).
  
• Strong expertise in PostgreSQL (schema design, indexing, SQL optimization).
  
• Experience building or maintaining multi-tenant systems.
  
• Experience with React/Next.js for internal tools.
  
• Solid background in API design, versioning, and integration patterns.
  
• Strong testing experience (Jest/Vitest) and clean code practices.
  
• Solid understanding of authentication/authorization (JWT, RBAC).
  
• Hands-on experience with Docker in development workflows.

Nice-to-Have

• Experience with AWS CDK (infra + lambda NodeJS TypeScript).
  
• Experience with job queues, event-driven architecture, caching, or rate limiting.
  
• Familiarity with Kubernetes deployment environments (not required).
  
• Experience building backend systems handling high CCU / high throughput.
  
• Cloud-native application experience (patterns, observability, container-native design).

Soft Skills

• Strong communication across Tech/DevOps/Product teams.
  
• High ownership mindset and reliability.
  
• Ability to mentor mid-level/junior engineers.
  
• Analytical and strong problem-solving skills.

Quyền lợi được hưởng

• Annual leaves: 12 days
  
• 13-month salary per year.
  
• Performance checkpoint twice a year
  
• Flexible, professional environment
  
• Career path development support
  
• During the Probation period, the targeted monthly income is equal to 100% of the targeted monthly income in the official employment period.
  
• Friendly, young & dynamic working environment with many activities: birthday party, happy hours, company activities, company trips...