Full-Stack Engineer (24 Months Contract)

Role Overview

We are looking for Full Stack Engineers to modernise a Singapore public sector digital service. The team will

migrate a legacy tech stack to a modern, cloud-native, containerised platform on AWS. Engineers will build

and configure products end to end, from frontend to backend, infrastructure, security integration, and

production support.

Key Responsibilities

All levels

● Develop and configure products, migrating legacy applications to a modern cloud-native, containerised tech stack.

● Build responsive, accessible web frontends using ReactJS, TypeScript, and Next.js.

● Develop backend services and APIs in Golang and/or Kotlin, including long-running business processes using a workflow engine (e.g. Temporal).

● Set up and maintain secure AWS infrastructure using Infrastructure as Code (e.g. Terraform).

● Implement security controls and monitoring, including authentication and identity integration with Singpass, Corppass, OIDC, and SAML.

● Build and maintain CI/CD pipelines in GitLab, and deploy workloads to Kubernetes (EKS). Instrument applications for observability using tools such as Dynatrace or Datadog.

● Support production deployments, troubleshoot issues, and take part in incident resolution.

● Write clean, tested, well-documented code and take part in code reviews.

Additional responsibilities for Senior Consultant

● Define the technical architecture and target state for the modernised platform.

● Lead delivery across multiple workstreams, coordinating with product owners, DevSecOps, and agency stakeholders.

● Provide strategic technical guidance, set engineering standards, and mentor team members. Plan legacy-to-modern migration approaches, including sequencing, risk management, and cutover.

Requirements

Experience

● Consultant: 3–5 years of hands-on full stack development experience.

● Senior Consultant: 7+ years of experience, including at least 2–3 years leading technical delivery or defining solution architecture.

● Experience migrating or modernising legacy systems is strongly preferred.

● Experience delivering Singapore Government or public sector projects is an advantage.

Technical skills (must have)

● 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

Technical skills (good to have)

● 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

Soft skills

● 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.