Senior Backend Engineer (Java/Kotlin) – Cloud, Microservices

SCIENTEC CONSULTING PTE. LTD.; Singapore; Hybrid; SGD 120,000 - 180,000; Full time

Job summary

SCIENTEC CONSULTING PTE. LTD. in Singapore West (Hybrid) is seeking an experienced Senior Full-Stack Engineer to design, develop and maintain full-stack applications, APIs and integrations.

You will build backend services using Kotlin, Java, Spring Boot, and develop modern frontend apps with Svelte, React or Vue. Join us to design RESTful and GraphQL APIs, implement microservices, and deploy cloud-native solutions on AWS with ECS, Kubernetes and Lambda.

Qualifications

• At least 5 years of full-stack software engineering experience.
• Hands-on AWS cloud tech: ECS, Kubernetes, AWS Lambda.
• Backend focus: Kotlin, Java and Spring Boot.
• Frontend experience: Svelte, React or Vue.
• Strong GitLab CI/CD pipelines experience.
• IaC experience with AWS CDK, Terraform or OpenTofu advantageous.
• Good understanding of REST APIs, GraphQL and microservices.
• Experience with SQL and NoSQL databases.
• Knowledge of authentication, authorization, encryption and auditing.

Responsibilities

• Design, develop and maintain full-stack apps, APIs and integrations.
• Build backend services using Kotlin, Java, Spring Boot or similar.
• Develop frontend apps with Svelte, React or Vue.
• Design and implement RESTful and GraphQL APIs and microservices.
• Develop and maintain cloud-native AWS solutions (ECS, Kubernetes, Lambda).
• Implement infrastructure with IaC tools (CDK, Terraform, OpenTofu).
• Build and maintain CI/CD pipelines using GitLab.
• Work with SQL and NoSQL databases.
• Enforce security controls: auth, encryption, auditing and access mgmt.
• Ensure compliance with security requirements across apps and infra.
• Maintain code quality, docs, testing and engineering practices.

Skills

Full-stack engineering

Architectural translation

CI/CD proficiency

Tools

AWS ECS

Kubernetes

AWS Lambda

AWS CDK

Terraform

OpenTofu

GitLab CI/CD

Spring Boot

Kotlin

Java

Svelte

React

Vue

REST APIs

GraphQL

Microservices

SQL

NoSQL

IAM/encryption

Job description

SCIENTEC CONSULTING PTE. LTD. in Singapore West (Hybrid) is seeking an experienced Senior Full-Stack Engineer to design, develop and maintain full-stack applications, APIs and integrations.

You will build backend services using Kotlin, Java, Spring Boot, and develop modern frontend apps with Svelte, React or Vue. Join us to design RESTful and GraphQL APIs, implement microservices, and deploy cloud-native solutions on AWS with ECS, Kubernetes and Lambda.