Full Time Linux Backend developer Jobs, Salary up to SGD 5,000 in DNA INFOTECH PTE. LTD. Central Region (Singapore) - Maukerja

Responsibilities

• Assist in analyzing project requirements and contribute to functional and technical designs.

• Development of backend systems for international payment gateway integrations (e.g. Visa, Mastercard, Amex, UPI).

• Support migration and implementation to Base24-eps on Linux RHEL or Cloud, replacing legacy systems.

• Collaborate with cross-functional teams including QA, frontend, and business stakeholders to deliver robust solutions.

• Work with vendors, schemes and banks under guidance of technical leads.

• Develop solutions in accordance with PCI-DSS, payment security standards, and international card scheme requirements.

• Optimize performance and reliability of switching systems and backend services.

• Document system architecture, integration flows, and technical specifications.

Requirements

• Bachelor’s degree in computer science, software engineering, or related field.

• 5+ years of experience in backend development, with a strong focus on payment systems and switching platforms.

• Strong experience with Open System RHEL and AWS Cloud.

• Experience in C++, Korn Shell Script and Linux-based development.

• Experience with IBM MQ middleware will be advantages.

• Experience with Base24-eps will be advantages.

• Hands-on experience with PostgreSQL database.

• Strong communication skills and ability to work collaboratively across teams.