Full-Stack Engineer: Cloud-Native on AWS (Public Sector)

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

Benefits offered by this job

Outpatient medical

Life and health insurance

Flexible work arrangement

Job summary

Activate Interactive Pte Ltd, a leading technology consultancy headquartered in Singapore, seeks Full Stack Engineers to modernise a Singapore public sector digital service. The role covers migrating legacy tech to a cloud-native platform on AWS, building frontend with ReactJS/TypeScript/Next.js and backend services in Golang/Kotlin, with AWS infra via Terraform and Kubernetes (EKS).

You will lead multi-workstream delivery, mentor engineers, and define architecture while ensuring secure,

Qualifications

• Experience migrating or modernising legacy systems is strongly preferred.
• Experience delivering Singapore Government or public sector projects is an advantage.
• Frontend: ReactJS, TypeScript
• Backend: Golang and/or Kotlin
• DevOps: CI/CD, Docker, Kubernetes
• Cloud: AWS architecture and services
• Infrastructure as Code: Terraform (or equivalent)
• Observability: hands-on experience with at least one observability tool
• Experience with Next.js
• Experience in setting up AWS cloud infrastructure (e.g. S3, EKS / ECS, EC2, Lambda, RDS, Load Balancers, API Gateway)
• Experience with a workflow engine (e.g. Temporal)
• Experience with a rules engine (e.g. Gorules, Open Policy Agent)
• Familiarity with observability tools such as Dynatrace, Datadog
• Implemented authentication using OIDC, SAML
• Implemented authorisation using RBAC, ABAC
• Government identity and security tooling: Singpass, Corppass, ADFS, WOG AD, CAM (GovTech Central Accounts Management), Trend Micro FAM
• Infrastructure and container security practices
• OutSystems, Oracle Policy Automation (OPA) / Oracle Intelligent Advisor (OIA), Sitefinity, Oracle
• Strong problem-solving and debugging skills in production environments.
• Clear communication with technical and non-technical stakeholders.
• Senior Consultant: proven leadership, stakeholder management, and ability to drive decisions.

Responsibilities

• Lead delivery across multiple workstreams, coordinating with product owners, DevSecOps, and agency stakeholders.
• Define the technical architecture and target state for the modernised platform.
• Plan legacy-to-modern migration approaches, including sequencing, risk management, and cutover.
• Write clean, tested, well-documented code and take part in code reviews.
• Provide strategic technical guidance, set engineering standards, and mentor team members.
• Build and configure products end to end, from frontend to backend, infrastructure, security integration, and production support.
• Set up and maintain secure AWS infrastructure using Infrastructure as Code (Terraform).
• Build and maintain CI/CD pipelines in GitLab, and deploy workloads to Kubernetes (EKS).

Skills

ReactJS

TypeScript

Next.js

Golang

Kotlin

CI/CD

Docker

Kubernetes

AWS

Terraform

Temporal

Open Policy Agent

RBAC

OIDC

SAML

Singpass

Corppass

Tools

S3

EKS

ECS

EC2

Lambda

RDS

API Gateway

Datadog

Dynatrace

Job description

Activate Interactive Pte Ltd, a leading technology consultancy headquartered in Singapore, seeks Full Stack Engineers to modernise a Singapore public sector digital service. The role covers migrating legacy tech to a cloud-native platform on AWS, building frontend with ReactJS/TypeScript/Next.js and backend services in Golang/Kotlin, with AWS infra via Terraform and Kubernetes (EKS).

You will lead multi-workstream delivery, mentor engineers, and define architecture while ensuring secure,