Lead Full-Stack Engineer (React/Node) — AWS Cloud

Activate Interactive Pte Ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Outpatient medical

Medical coverage

Life insurance

Flexi benefits

Red packet

CNY goodies

Wellness program

Learning & development

Career progression

Flexi-work

Job summary

Activate Interactive Pte Ltd in Singapore is seeking a Senior Full‑Stack Engineer to lead the technical delivery of a cloud-based platform. You will guide a small team, translate architecture into implementation, and collaborate with architects, product owners, and QA to deliver secure, scalable software.

The role requires 4+ years in software engineering with strong React.js, Node.js, PostgreSQL experience, and AWS familiarity.

Qualifications

• At least 4 years of professional software engineering experience, with experience leading a small engineering team.
• Frontend: Strong working knowledge of React.js, TypeScript, HTML5, CSS3 and responsive web application development.
• Backend: Strong experience with Node.js, TypeScript, Express.js or NestJS.
• Database: Strong experience with PostgreSQL , relational database design, SQL optimisation, data integrity and migration scripts. Experience with non-relational database such as DynamoDB, and OpenSearch.
• API Development: Experience designing and securing REST APIs.
• Authentication & Access Control: Knowledge of OAuth2, OIDC, SSO integration, MFA concepts, RBAC, secure token/session handling and audit logging.
• AWS Application Knowledge: Working knowledge of AWS application services such as API Gateway, Lambda, RDS/Aurora PostgreSQL, S3, CloudWatch and Secrets Manager.
• DevOps: Experience with CI/CD pipelines, Docker or container packaging, environment configuration and release deployment.
• Security: Knowledge of OWASP Top 10, secure coding, SAST, dependency scanning, secret scanning and vulnerability remediation.

Responsibilities

• Translate theSolution Architect’s target architecture into working application design, guide developers, enforce engineering standards, oversee code quality, support CI/CD, coordinate security readiness and ensure the platform is ready for deployment into AWS-managed environments.
• Lead the engineering team in the design, development and delivery of cloud-based digital platform.
• Translate solution architecture into implementable frontend, backend, API, database and deployment designs.
• Design and develop application components using React.js, TypeScript, Node.js and PostgreSQL.
• Design secure REST APIs and integration patterns to support internal modules and future external integrations.
• Oversee relational data modelling, schema design, transaction handling, audit logging and reporting-ready data structures.
• Work with the Infrastructure Team to deploy applications into AWS environments.
• Familiar with configuration and maintain application-level CI/CD pipelines, build processes, deployment scripts and environment-specific configurations.
• Act as the team’s Security Champion by embedding secure coding, code review, SAST, dependency scanning, secret scanning and vulnerability remediation into the sprint process.
• Coordinate remediation of security findings from code scanning, DAST and formal VAPT reports.

Skills

React.js

TypeScript

HTML5

CSS3

Responsive design

Node.js

Express.js / NestJS

PostgreSQL

DynamoDB

OpenSearch

REST APIs

OAuth2 / OIDC / SSO

AWS

CI/CD

Docker

Security best practices

Tools

Docker

Job description

Activate Interactive Pte Ltd in Singapore is seeking a Senior Full‑Stack Engineer to lead the technical delivery of a cloud-based platform. You will guide a small team, translate architecture into implementation, and collaborate with architects, product owners, and QA to deliver secure, scalable software.

The role requires 4+ years in software engineering with strong React.js, Node.js, PostgreSQL experience, and AWS familiarity.