Backend Engineer: Cloud APIs & Workflows (Node/TS)

Activate Interactive; Singapore; On-site; SGD 90,000 - 130,000; Full time

Benefits offered by this job

Outpatient medical

Specialist medical coverage

Flexi benefits

Life and health insurance

Red packets (CNY)

Job summary

Activate Interactive Pte Ltd in Singapore is seeking a Backend-Focused Full-Stack Engineer to design and develop core backend services for our cloud-based digital platform. The role emphasizes APIs, databases, business logic and integration readiness.

You will work with a cross-functional team including frontend, QA and infrastructure, applying Node.js and TypeScript, and deploying in AWS. The role demands 3+ years of experience and a strong focus on secure, scalable backend systems.

Qualifications

• At least 3 years of professional software development experience.
• Backend: Strong experience with Node.js, TypeScript, Express.js or NestJS.
• Database: Strong experience with PostgreSQL, SQL, relational modelling, transactions and query optimisation.
• API: Experience designing and implementing REST APIs.
• Authentication & Authorization: Familiarity with OAuth2/OIDC, JWT/session handling, RBAC and secure API access.
• AWS Application Awareness: Familiarity with AWS-hosted applications and services such as Lambda, API Gateway, RDS/Aurora PostgreSQL, S3, CloudWatch and Secrets Manager
• DevOps: Familiarity with Git, CI/CD pipelines, Docker basics, environment variables and deployment troubleshooting.
• Security: Understanding of secure coding, OWASP Top 10, input validation, API security, dependency management and vulnerability remediation.
• Testing: Experience with unit testing, API testing and integration testing

Responsibilities

• Backend Development: Design, develop and maintain backend services using Node.js and TypeScript.
• Cloud Application Deployment: Develop backend services that can be deployed into AWS environments using approved deployment patterns.
• Workflow Systems: Design and develop booking, approval, case management, event management, CRM or other workflow-heavy systems.
• CI/CD Support: Contribute to build scripts, deployment configuration, database migration automation and pipeline troubleshooting.
• Security Remediation: Resolve findings from SAST, dependency scanning, secret scanning, DAST and VAPT reports.
• Collaborate with Technical Lead, Frontend Engineer and Infrastructure Team to deliver secure backend services

Skills

Node.js TypeScript Express.js NestJS

PostgreSQL SQL Relational modelling

REST APIs

OAuth2/OIDC JWT RBAC

AWS (Lambda API Gateway RDS)

Git CI/CD Docker

OWASP Top 10 Secure coding

Unit/API/Integration testing

Tools

Git

CI/CD

Docker

AWS

Job description

Activate Interactive Pte Ltd in Singapore is seeking a Backend-Focused Full-Stack Engineer to design and develop core backend services for our cloud-based digital platform. The role emphasizes APIs, databases, business logic and integration readiness.

You will work with a cross-functional team including frontend, QA and infrastructure, applying Node.js and TypeScript, and deploying in AWS. The role demands 3+ years of experience and a strong focus on secure, scalable backend systems.