Senior Full-Stack Engineer: Java/Kotlin, AWS & CI/CD

SCIENTEC CONSULTING PTE. LTD.; Singapore; Hybrid; SGD 140,000 - 190,000; Full time

Job summary

SCIENTEC CONSULTING PTE. LTD. in Singapore is seeking an experienced full-stack engineer to design, build and maintain scalable applications and platforms.

You will work across backend and frontend, applying AWS cloud skills and modern frameworks in a hybrid west Singapore setup. The role emphasizes REST/GraphQL, microservices, IaC, CI/CD with GitLab, and strict security and compliance. Candidates should have 5+ years of hands-on experience and be able to translate architecture into practical

Qualifications

• 5+ years of full-stack software engineering experience.
• Strong hands-on AWS cloud experience (ECS, Kubernetes, Lambda).
• Backend experience: Kotlin, Java and Spring Boot.
• Frontend experience with Svelte, React or Vue.
• GitLab CI/CD pipelines experience.
• IaC with AWS CDK, Terraform or OpenTofu is a plus.
• Strong knowledge of REST APIs, GraphQL and microservices.
• Experience with SQL and NoSQL databases.
• Understanding of authentication, authorisation, encryption and audit logging.
• Experience implementing security and compliance in production environments.

Responsibilities

• Design, develop and maintain full-stack applications, APIs, integrations and internal platforms.
• Build backend services using Kotlin, Java, Spring Boot or similar technologies.
• Develop modern frontend applications using Svelte, React, Vue or similar frameworks.
• Design and implement RESTful APIs, GraphQL APIs and microservices architectures.
• Develop and maintain cloud-native solutions on AWS, including ECS, Kubernetes and Lambda.
• Implement and manage infrastructure using Infrastructure as Code (IaC) tools such as AWS CDK, Terraform or OpenTofu.
• Build and maintain automated CI/CD pipelines using GitLab.
• Work with both SQL and NoSQL databases.
• Implement security controls covering authentication, authorisation, encryption, audit logging and access management.
• Ensure applications and infrastructure comply with organisational, government and regulatory security requirements.
• Maintain high standards of code quality, documentation, testing and engineering practices.

Skills

AWS

Kotlin

Java

Spring Boot

Svelte

React

Vue

GitLab CI/CD

REST API

GraphQL

Microservices

SQL/NoSQL

Security & Compliance

IaC

Tools

AWS CDK

Terraform

OpenTofu

Job description

SCIENTEC CONSULTING PTE. LTD. in Singapore is seeking an experienced full-stack engineer to design, build and maintain scalable applications and platforms.

You will work across backend and frontend, applying AWS cloud skills and modern frameworks in a hybrid west Singapore setup. The role emphasizes REST/GraphQL, microservices, IaC, CI/CD with GitLab, and strict security and compliance. Candidates should have 5+ years of hands-on experience and be able to translate architecture into practical