Linux Backend developer

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.