Backend Engineer (Node.js/TypeScript) – AWS Cloud (Contract)

Activate Interactive Pte Ltd.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Benefits offered by this job

Outpatient medical coverage

Specialist medical coverage

Flexi benefits

Flexi allowance

Life and health insurance

Red packet and CNY goodies

Employee wellness programs

Learning & development budget

Career progression plan

Job summary

Activate Interactive Singapore is seeking a Backend-Focused Full-Stack Engineer to design and develop the core backend services for a cloud-based digital platform. The role centers on APIs, database work, business logic and workflows, with emphasis on reliability and security.

You'll collaborate with the Technical Lead, Frontend Engineer, QA Automation and Infra teams to deliver robust backend services using Node.js and TypeScript, deployed in AWS and integrated with workflow-heavy systems.

Qualifications

• 3+ years of professional software development experience.
• Backend: Node.js, TypeScript, Express.js or NestJS.
• Database: PostgreSQL, SQL, relational modelling, transactions and query optimisation.
• API: Experience designing and implementing REST APIs.
• Authentication & Authorization: OAuth2/OIDC, JWT, RBAC, secure API access.
• AWS: Lambda, API Gateway, RDS/Aurora PostgreSQL, S3, CloudWatch, Secrets Manager.
• DevOps: Git, CI/CD pipelines, Docker basics, environment variables, deployment troubleshooting.
• Security: OWASP Top 10, secure coding, dependency management, vulnerability remediation.
• Testing: unit testing, API testing and integration testing.

Responsibilities

• Design, develop and maintain backend services for cloud-based digital platform.
• Work with Technical Lead, Frontend Engineer, QA Automation, Infra to deliver backend services.
• Backend Development with Node.js and TypeScript.
• Cloud Deployment in AWS.
• Design workflow systems: booking, approval, case management, event management, CRM.
• CI/CD support: build scripts, deployment config, DB migration, pipeline troubleshooting.
• Security remediation: address findings from SAST, dependency scanning, secret scanning, DAST and VAPT.

Skills

3+ years software development

REST APIs design

Security best practices

Testing (unit/integration)

Tools

Node.js

TypeScript

Express.js

NestJS

PostgreSQL

SQL

REST APIs

OAuth2/OIDC

JWT

RBAC

AWS

Lambda

API Gateway

RDS/Aurora PostgreSQL

S3

CloudWatch

Secrets Manager

Git

CI/CD

Docker

Security scanning

Vulnerability remediation

Job description

Activate Interactive Singapore is seeking a Backend-Focused Full-Stack Engineer to design and develop the core backend services for a cloud-based digital platform. The role centers on APIs, database work, business logic and workflows, with emphasis on reliability and security.

You'll collaborate with the Technical Lead, Frontend Engineer, QA Automation and Infra teams to deliver robust backend services using Node.js and TypeScript, deployed in AWS and integrated with workflow-heavy systems.