Back to Dna Infotech Pte. Ltd. jobs
D

Linux Backend developer

D01 Marina, Raffles Place, People's Park, Cecil, Singapore
Contract, Full TimeInformation Technology

Job Description

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.

About Dna Infotech Pte. Ltd.

First seen: August 25, 2026
Last updated: September 6, 2026