Backend Developer (NODEJS)

ADECCO PERSONNEL PTE LTD; Singapore; On-site; SGD 90,000 - 135,000; Full time

Job summary

ADECCO PERSONNEL PTE LTD is seeking a Backend Engineer focused on Node.js to develop, deploy, and integrate backend services for a digital payment platform. You will design scalable APIs, ensure secure integrations with payment gateways, and collaborate with SDK teams to deliver reliable backend systems.

The role emphasizes modern backend engineering practices, testing, and DevOps integration to support a secure, multi-channel payment ecosystem across cloud-based infrastructure.

Qualifications

• Strong experience in JavaScript backend development, especially Node.js.

Responsibilities

• Support the development, deployment, and integration of backend infrastructure for mobile SDKs and digital payment services.
• Design and build secure backend services and cloud-based solutions using JavaScript and Node.js.
• Develop scalable APIs and service layers enabling interaction between mobile applications, SDKs, and enterprise platforms.
• Ensure secure integration with cloud services, payment gateways, and authentication systems.
• Build and maintain management platforms and dashboards for monitoring and administration.
• Collaborate with mobile SDK teams for smooth backend integration.
• Participate in architecture reviews and prototype new platform features.
• Implement unit testing and automated testing to maintain code quality.
• Work with CI/CD pipelines and build automation to streamline deployments.
• Troubleshoot and provide Level 3 support for complex backend issues.

Skills

Node.js

RESTful APIs

Microservices

Secure API design

Cloud infrastructure

OO design

Unit testing

CI/CD tooling

Debugging

Authentication protocols

Tools

Jenkins

Git workflows

Job description

Backend Engineer – Nodejs

Job Summary

The Digital Payment business line is developing a sophisticated mobile payment platform that enables secure proximity paymentsand e-commerce transactions. The platform allows banks and businesses to deliver a multi-channel, multi-device digital payment experience through a unified and highly secure infrastructure.

This solution integrates multiple mobile SDKs, backendservices, and cloud-based components, offering ready-to-integrate services while maintaining best-in-class security and reliability.

The team is looking for a Backend Engineer specializing inJavaScript / Node.js to support the development of backend services, system integrations, and management platforms that power the mobile payment ecosystem.

Key Responsibilities

Backend Platform Development

• Support the development, deployment, and integration of backend infrastructure that supports mobile SDKs and digital payment services.
• Design and build secure backend services and cloud-based solutions using JavaScript and Node.js.
• Develop scalable APIs and service layers that enable seamless interaction between mobile applications, SDKs, and enterprise platforms.
• Ensure secure integration with cloud services, payment gateways, and authentication systems.

System & Platform Integration

• Build and maintain management platforms and dashboards to enable operational monitoring, system administration, and service management.
• Collaborate with mobile SDK teams to ensure smooth backend integration for mobile payment applications.
• Support the design of secure API architectures aligned with digital identity and payment security standards.

Engineering & Product Development

• Apply object-oriented design principles and modern backend engineering practices to build scalable and maintainable services.
• Contribute to prototyping new features and platform enhancements to improve system capabilities and performance.
• Participate in technical discussions and architecture reviews within the R&D engineering team.

Quality & Reliability

• Implement unit testing and automated testing frameworks to maintain high code quality and reliability.
• Work with CI/CD pipelines and build automation tools to streamline development and deployment workflows.
• Troubleshoot and provide Level 3 technical support for complex backend issues impacting customers or production systems.

Required Skills & Experience

• Strong experience in JavaScript backend development, particularly Node.js.
• Experience building RESTful APIs and microservices architectures.
• Familiarity with secure API design and authentication protocols.
• Experience with cloud-based infrastructure and backend service deployment.
• Strong understanding of object-oriented design and scalable software architecture.
• Experience with unit testing and automated testing frameworks.
• Familiarity with CI/CD tools such as Jenkins, Git-based workflows, and build automation pipelines.
• Strong problem-solving, debugging, and troubleshooting skills.