Java Developer (Spring Boot/ AWS)

SCIENTEC CONSULTING PTE. LTD.; Singapore; On-site; SGD 67,000 - 112,000; Full time

Job summary

SCIENTEC CONSULTING PTE. LTD. is seeking an experienced Software Engineer to design, build and maintain scalable applications and cloud-based solutions in Singapore.

You will work across the full technology stack, including backend and frontend development, APIs, system integrations, cloud infrastructure and CI/CD pipelines. Responsibilities include designing and implementing full-stack services, deploying on AWS, and ensuring security and compliance while collaborating with cross-functional

Qualifications

• At least 5 years of full-stack software engineering experience.
• Strong backend development experience using Kotlin, Java, Spring Boot or similar technologies.
• Experience with frontend frameworks such as Svelte, React or Vue.
• Hands-on experience with AWS, including services such as ECS, Kubernetes/EKS and Lambda.
• Strong experience with GitLab CI/CD pipelines.
• Hands-on experience with Infrastructure as Code using Terraform, AWS CDK, OpenTofu or similar tools.
• Good understanding of REST APIs, GraphQL and microservices architecture.
• Experience working with SQL and NoSQL databases.
• Understanding of system integration and event-driven architecture.
• Familiarity with application security, governance and compliance requirements.

Responsibilities

• Design, develop and maintain full-stack applications and internal platforms.
• Translate high-level architectural requirements into scalable and production-ready solutions.
• Develop backend services, RESTful APIs, GraphQL APIs, microservices and serverless functions.
• Build responsive frontend applications using modern JavaScript frameworks.
• Design and maintain cloud infrastructure and applications on AWS.
• Implement and manage CI/CD pipelines using GitLab.
• Provision and manage infrastructure using Infrastructure as Code (IaC) tools.
• Develop and support system integrations and event-driven architectures.
• Work with SQL and NoSQL databases.
• Implement application security controls including authentication, authorization, encryption and audit logging.
• Ensure solutions meet relevant security, governance and compliance requirements.
• Troubleshoot production issues and continuously improve system reliability, maintainability and performance.
• Collaborate with architects, product teams and other technical stakeholders throughout the software development lifecycle.

Skills

Full-stack development

Kotlin/Java/Spring

Frontend frameworks

AWS services

GitLab CI/CD

Terraform / IaC

REST / GraphQL APIs

SQL / NoSQL databases

System integration / event-driven

Security / governance basics

Tools

Terraform

OpenTofu

AWS CDK

GitLab CI/CD

Job description

We are looking for an experienced Software Engineer to design, build and maintain scalable applications and cloud-based solutions. You will work across the full technology stack, including backend and frontend development, APIs, system integrations, cloud infrastructure and CI/CD pipelines.

Working Hours: Mon- Fri

Working Location: Central

Salary Package: Up to $10,000 (basic) + AWS

Key Responsibilities

• Design, develop and maintain full-stack applications and internal platforms.
• Translate high-level architectural requirements into scalable and production-ready solutions.
• Develop backend services, RESTful APIs, GraphQL APIs, microservices and serverless functions.
• Build responsive frontend applications using modern JavaScript frameworks.
• Design and maintain cloud infrastructure and applications on AWS .
• Implement and manage CI/CD pipelines using GitLab .
• Provision and manage infrastructure using Infrastructure as Code (IaC) tools such as Terraform, AWS CDK or OpenTofu.
• Develop and support system integrations and event-driven architectures.
• Work with SQL and NoSQL databases.
• Implement application security controls including authentication, authorization, encryption and audit logging.
• Ensure solutions meet relevant security, governance and compliance requirements.
• Troubleshoot production issues and continuously improve system reliability, maintainability and performance.
• Collaborate with architects, product teams and other technical stakeholders throughout the software development lifecycle.

Requirements

• At least 5 years of full-stack software engineering experience .
• Strong backend development experience using Kotlin, Java, Spring Boot or similar technologies.
• Experience with frontend frameworks such as Svelte, React or Vue .
• Hands-on experience with AWS , including services such as ECS, Kubernetes/EKS and Lambda .
• Strong experience with GitLab CI/CD pipelines .
• Hands-on experience with Infrastructure as Code using Terraform, AWS CDK, OpenTofu or similar tools.
• Good understanding of REST APIs, GraphQL and microservices architecture .Experience working with SQL and NoSQL databases .
• Understanding of system integration and event-driven architecture.
• Familiarity with application security, governance and compliance requirements.
• Ability to translate technical concepts and architectural designs into practical implementations.

Preferred Skills

• Strong experience with Kotlin / Java for backend development.
• Experience with Svelte or React for frontend development.
• Experience deploying and supporting applications within AWS cloud environments.
• Exposure to enterprise or large-scale modernization projects.
• Experience working within environments with stringent security and regulatory requirements.

What We're Looking For

A self-driven and pragmatic engineer who is comfortable working across different areas of the technology stack. You should be able to balance technical quality with business requirements, communicate effectively with different stakeholders and develop clean, maintainable and scalable solutions.