Senior Backend For Frontend Engineer (Node.js)

• Develop and maintain web applications using Node.js and Express.
• Implement service routing at the BFF layer based on user or organization-level feature flags.
• Integrate and manage REST APIs, including error handling, timeout, and retry mechanisms.
• Maintain consistent session structures and data contracts during system migration.
• Handle service status, processing indicators, timeout scenarios, and errors from new systems.
• Improve existing application error handling when required to support the migration process.
• Support automated testing, SIT, UAT, and rapid issue resolution during the pilot phase.

Job Requirements

• Minimum 6 years of experience in web application development.
• Strong proficiency in Node.js and Express.
• Experience with server-side templating such as EJS and client-side JavaScript.
• Strong experience integrating REST APIs, including error handling, timeout, and retry mechanisms.
• Good understanding of session management and web application security.
• Experience with Backend for Frontend (BFF) architecture and feature flag implementation is highly preferred.
• Experience handling gradual migration of legacy applications without changing the existing user interface is an advantage.
• Experience with Java or test automation is a plus.
• Minimum Bachelor's degree in Computer Science, Information Systems, Informatics Engineering, or a related field.