Senior Full-Stack Engineer Kotlin & ReactJS, Cloud Native

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

Benefits offered by this job

Outpatient medical

Specialist medical coverage

Life and health insurance

Learning programmes & budget

Structured career pathways

Flexi-place / flexi-time

Job summary

Activate Interactive Pte Ltd in Singapore is seeking Senior Full Stack Engineers to modernise a Singapore public sector digital service. You will migrate a legacy stack to a cloud-native, containerised AWS platform and build end-to-end frontend to backend, infrastructure, security integration, and production support.

You will work across ReactJS, TypeScript, Next.js on the frontend and Golang and/or Kotlin on the backend, with Terraform, Docker, Kubernetes, CI/CD in GitLab, and observability

Qualifications

• Experience migrating or modernising legacy systems.
• Experience delivering Singapore Government or public sector projects is a plus.
• Frontend: ReactJS, TypeScript; Backend: Golang and/or Kotlin.
• DevOps: CI/CD, Docker, Kubernetes; Cloud: AWS; IaC: Terraform.

Responsibilities

• Migrate legacy applications to a modern cloud-native, containerised stack.
• Build responsive web frontends with ReactJS, TypeScript, Next.js.
• Develop backend services in Golang and/or Kotlin with workflow engines.
• Set up secure AWS infrastructure using Terraform.
• Implement security controls and monitoring; integrate Singpass/Corppass.
• Lead delivery across workstreams and mentor team members.
• Define architecture and guide legacy-to-modern migrations.

Skills

ReactJS

TypeScript

Next.js

Golang

Kotlin

AWS

Terraform

Docker

Kubernetes

CI/CD

GitLab

Observability tools

OWASP/Security integration

Tools

Temporal

Open Policy Agent

Terraform

GitLab CI/CD

Dynatrace

Datadog

AWS services

Job description

Activate Interactive Pte Ltd in Singapore is seeking Senior Full Stack Engineers to modernise a Singapore public sector digital service. You will migrate a legacy stack to a cloud-native, containerised AWS platform and build end-to-end frontend to backend, infrastructure, security integration, and production support.

You will work across ReactJS, TypeScript, Next.js on the frontend and Golang and/or Kotlin on the backend, with Terraform, Docker, Kubernetes, CI/CD in GitLab, and observability