Senior Full-Stack Engineer (AWS/Kotlin/React) – Contract

SCIENTEC CONSULTING PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

SCIENTEC CONSULTING PTE. LTD. is seeking a senior full-stack engineer to design, develop and maintain scalable government-grade applications. You will work across backend (Kotlin/Java, Spring Boot) and frontend (Svelte/React/Vue) with REST/GraphQL APIs, microservices and event-driven architectures.

The role involves deploying on AWS (ECS, Kubernetes, Lambda), CI/CD pipelines with GitLab, and IaC tooling. Security, compliance and stakeholder collaboration are integral to the work.

Qualifications

• Minimum 5 years of full-stack software engineering experience.
• Strong experience with AWS, Kotlin/Java and Spring Boot.
• Experience with Svelte, React or Vue.
• Hands-on experience with GitLab CI/CD and Infrastructure as Code would be advantageous.
• Good understanding of REST APIs, GraphQL, microservices, SQL and NoSQL databases.
• Experience with authentication, authorisation, encryption and audit logging.
• Familiarity with security, regulatory or government compliance requirements.
• Strong problem-solving, communication and stakeholder management skills.

Responsibilities

• Design, develop and maintain scalable full-stack applications in a government environment.
• Develop backend services using Kotlin, Java and Spring Boot.
• Build frontend applications using Svelte, React or Vue.
• Design and integrate REST APIs, GraphQL, microservices and event-driven systems.
• Deploy and support applications on AWS, including ECS, Kubernetes and Lambda.
• Build and maintain GitLab CI/CD pipelines.
• Manage infrastructure using AWS CDK, Terraform or OpenTofu.
• Implement application security controls and ensure compliance with government security requirements.
• Support system modernisation, integration and legacy application environments.

Skills

AWS

Kotlin/Java

Spring Boot

Svelte

React

Vue

GitLab CI/CD

Infrastructure as Code

REST APIs

GraphQL

Microservices

SQL/NoSQL

Authentication/Authorization

Security/compliance

Tools

GitLab CI/CD

AWS CDK

Terraform

OpenTofu

Job description

SCIENTEC CONSULTING PTE. LTD. is seeking a senior full-stack engineer to design, develop and maintain scalable government-grade applications. You will work across backend (Kotlin/Java, Spring Boot) and frontend (Svelte/React/Vue) with REST/GraphQL APIs, microservices and event-driven architectures.

The role involves deploying on AWS (ECS, Kubernetes, Lambda), CI/CD pipelines with GitLab, and IaC tooling. Security, compliance and stakeholder collaboration are integral to the work.