Full Stack Engineer - Contract - Hybrid Work Arrangement
Posted
Summary
Contract full-stack engineer (hybrid, Singapore) modernising legacy applications into a cloud-native stack on AWS: React/TypeScript/Next.js frontends, Golang/Kotlin backend services, Kubernetes deploys via GitLab CI/CD, Terraform IaC, and government identity integrations (Singpass, Corppass). Senior consultants define architecture and lead the migration delivery.
Job Responsibilities
- 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
- Senior Consultant: define the technical architecture and target state for the modernised platform
- Senior Consultant: lead delivery across multiple workstreams, coordinating with product owners, DevSecOps and agency stakeholders
- Senior Consultant: provide strategic technical guidance, set engineering standards and mentor team members
- Senior Consultant: plan legacy-to-modern migration approaches, including sequencing, risk management and cutover
- Minimum 3 Years Of hands-on full stack development experience
- Frontend: ReactJS, TypeScript
- Backend: Golang and/or Kotlin
- DevOps: CI/CD, Docker, Kubernetes
- Cloud: AWS architecture and services
- Infrastructure as Code: Terraform (or equivalent)
- Hands-on experience with at least one observability tool, e.g. Dynatrace or Datadog
- Experience migrating or modernising legacy systems is strongly preferred
- Experience delivering Singapore Government or public sector projects is an advantage
- Good to have: Next.js; setting up AWS infrastructure (e.g. S3, EKS/ECS, EC2, Lambda, RDS, Load Balancers, API Gateway); a workflow engine (e.g. Temporal); a rules engine (e.g. GoRules, Open Policy Agent)
- Good to have: authentication using OIDC and SAML; authorisation using RBAC and ABAC; infrastructure and container security practices
- Good to have: Government identity and security tooling such as Singpass, Corppass, ADFS, WOG AD, CAM (GovTech Central Accounts Management) and Trend Micro FAM
- Good to have: 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