Secure Node.js Backend Engineer for Scalable APIs & Payments

Summary:

We are looking for a Backend Developer to design and build secure, scalable backend services supporting mobile SDKs and digital payment platforms. The role involves developing APIs, integrating cloud and payment systems, and contributing to platform architecture within a regulated, security-conscious environment.

Responsibilities:

Design and build secure backend services and cloud-based solutions using JavaScript/Node.js

Develop scalable APIs and service layers connecting mobile applications, SDKs, and enterprise platforms

Ensure secure integration with cloud services, payment gateways, and authentication systems

Build and maintain management platforms/dashboards for operational monitoring and system administration

Collaborate with mobile SDK teams on backend integration for mobile payment applications

Support design of secure API architectures aligned with digital identity and payment security standards

Apply object-oriented design principles and modern backend engineering practices

Contribute to prototyping new features and platform enhancements

Participate in technical discussions and architecture reviews

Implement unit testing and automated testing frameworks

Work with CI/CD pipelines and build automation tools

Provide Level 3 technical support for complex backend issues

Collaborate with mobile developers, security engineers, and product teams on integrated payment solutions

Qualifications/Requirements:

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

Strong problem-solving, debugging, and troubleshooting skills

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