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

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

Benefits offered by this job

Outpatient medical

Life and health insurance

Flexi benefits

Wellbeing initiatives

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 API design, databases, business logic, audit logging and workflows.

You will work with the technical lead, frontend, QA, and infrastructure teams to deliver secure, scalable backend services using Node.js and TypeScript, deployed in AWS, with CI/CD and security remediation.

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

• Design, develop and maintain backend services using Node.js and TypeScript.
• Build core backend services for cloud-based platform APIs, database, and workflows.
• Ensure secure, reliable backend services to support the digital platform.
• Collaborate with Tech Lead, Frontend, QA Automation, and Infrastructure teams.
• Support CI/CD, deployment automation and security remediation.
• Address security findings from SAST/DAST/VA scans.

Skills

Node.js

TypeScript

Express.js

NestJS

REST APIs

PostgreSQL

SQL

RBAC

OAuth2/OIDC

AWS

Docker

CI/CD

Security best practices

Unit testing

Git

Tools

Git

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 API design, databases, business logic, audit logging and workflows.

You will work with the technical lead, frontend, QA, and infrastructure teams to deliver secure, scalable backend services using Node.js and TypeScript, deployed in AWS, with CI/CD and security remediation.