Software Engineer (Spring Boot / AWS)

SCIENTEC CONSULTING PTE. LTD.; Singapore; On-site; SGD 102,000 - 122,000; Part time

Job summary

ScienTec Consulting Pte Ltd in Singapore is seeking a Software Engineer to build and operate cloud-native digital services supporting secure data exchange and enterprise workflows. This hands-on role covers both software development and production operations across backend, APIs, cloud infrastructure, deployments, monitoring, and DevSecOps.

You will work with Java and Spring Boot for backend, JavaScript/React/Next.js for frontend, RESTful APIs, SFTP, and various integrations.

Qualifications

• Strong hands-on experience with Java and Spring Boot.
• Experience building cloud-native apps on AWS.
• Experience with AWS services (API Gateway, Lambda, ECS/EKS).
• AWS certification at Associate level or above is required.
• Frontend development with JavaScript/React/Next.js.
• Strong RESTful API design and system integration.
• Experience with SFTP and secure file transfer.
• Familiarity with messaging services (AWS MQ, SQS, RabbitMQ).
• Terraform / Infrastructure as Code experience.
• CI/CD, Git, automated testing, and DevSecOps practices.
• Good understanding of software architecture, security, and testing.
• Ownership from development to production support.

Responsibilities

• Design, develop, test, deploy, and operate cloud-native applications and services on AWS.
• Build and enhance backend applications using Java and Spring Boot.
• Develop frontend applications using JavaScript/React/Next.js.
• Design and implement RESTful APIs and system integrations across platforms.
• Support secure data exchange through APIs, SFTP, message queues, and other channels.
• Maintain and improve CI/CD and DevSecOps pipelines, testing, and security.
• Collaborate with Product Managers, engineers, vendors, and stakeholders to deliver features end-to-end.
• Provide production support, incident handling, and talk about automation opportunities.

Skills

Java

Spring Boot

AWS cloud

JavaScript

React

Next.js

Tools

Terraform

CI/CD pipelines

Git

Job description

We are looking for a Software Engineer to build and operate cloud-native digital services supporting secure data exchange and enterprise application workflows.

This is a hands-on role covering both software development and production operations. You will work across backend development, APIs, cloud infrastructure, system integrations, deployments, monitoring, incident support, and DevSecOps.

• Working Hours: Mon-Fri
• Working Location: Central
• Job Type: Contract
• Salary Package: Up to $10,000 (basic) + AWS

Key Responsibilities

• Design, develop, test, deploy, and operate cloud-native applications and services on AWS.
• Build and enhance backend applications using Java and Spring Boot.
• Develop and maintain modern web applications using JavaScript / React / Next.js.
• Design and implement RESTful APIs and system integrations across internal and external platforms.
• Support secure data exchange through APIs, SFTP, message queues, and other integration channels.
• Perform data mapping, transformation, validation, and integration across connected systems.
• Build and maintain AWS services using technologies such as API Gateway, Lambda, ECS/EKS, and managed cloud services.
• Provision and manage cloud infrastructure using Terraform and Infrastructure-as-Code practices.
• Support application deployments, monitoring, incident investigation, troubleshooting, and production recovery.
• Maintain and improve CI/CD and DevSecOps pipelines, automated testing, security controls, and engineering quality.
• Work with relational databases such as PostgreSQL, AWS Aurora, or Oracle.
• Support onboarding of new interfaces and integrations, including infrastructure and application configuration.
• Collaborate with Product Managers, engineers, vendors, and external stakeholders to deliver features and integrations end-to-end.
• Identify opportunities to automate repetitive operational activities and reduce manual support effort.
• Apply AI-assisted development tools and workflows to improve engineering productivity where appropriate.
• Contribute to architecture discussions, technical standards, code reviews, and engineering best practices.

Requirements

• Strong hands-on experience with Java and Spring Boot.
• Experience building and operating cloud-native applications on AWS.
• Hands-on experience with AWS services such as:API GatewayLambdaECS / EKS or other containerised platformsCloud-based databases and integration services
• AWS certification at Associate level or above is required.
• Experience developing modern frontend applications using JavaScript, React, or Next.js.
• Strong understanding of RESTful API design and system integration.
• Experience with secure file transfer such as SFTP.
• Familiarity with messaging technologies such as AWS MQ, ActiveMQ, RabbitMQ, or Amazon SQS.
• Experience with relational databases such as PostgreSQL, AWS Aurora, or Oracle.
• Hands-on experience with Terraform / Infrastructure as Code.
• Working knowledge of CI/CD, Git-based development, automated testing, and DevSecOps practices.
• Good understanding of software architecture, system design, security, and testing principles.
• Comfortable taking ownership of solutions from development through deployment and production support.

Good to Have

• Experience with event-driven or message-based architectures.
• Experience with workflow engines, state machines, or business-process orchestration tools.
• Experience using AI coding assistants, coding agents, automated code review, or agentic development workflows.
• Exposure to integrating LLMs, RAG, or AI capabilities into software products.
• Experience working on secure government, regulated, enterprise, logistics, trade, or transaction-processing systems.
• Exposure to enterprise API platforms, digital identity platforms, or secure inter-system integrations.
• Experience working in Agile or product-based engineering teams.

Who This Role Suits

This role is ideal for an engineer who enjoys both building and running systems in production. You should be comfortable working across application development, AWS cloud services, system integration, infrastructure automation, deployments, and production support while taking strong ownership of engineering outcomes.

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This authorizes us to:

• Contact you about potential opportunities.
• Delete personal data as it is not required at this application stage.

All applications will be processed with strict confidence. Only shortlisted candidates will be contacted.

ScienTec Consulting Pte Ltd - 11C5781