Payments Backend Engineer - Linux & AWS

DNA INFOTECH PTE. LTD.

Singapore

On-site

SGD 120,000 - 180,000

Full time

5 days ago

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Job summary

DNA INFOTECH PTE. LTD. is seeking an experienced backend developer to design and implement payment system integrations for international gateways. You will work on backend services and contribute to migration efforts toward Base24-eps on Linux environments.

The role requires a strong background in C++, RHEL/Linux, AWS Cloud, and PostgreSQL, with a focus on reliability, PCI-DSS compliance, and cross‑functional collaboration with QA, frontend, and business teams.

Qualifications

Bachelor’s degree in computer science, software engineering, or related field.
5+ years of backend development experience with payments systems and switching platforms.
Experience with Open System RHEL and AWS Cloud.
Hands-on experience with PostgreSQL.

Responsibilities

Assist in analyzing project requirements and contribute to designs.
Develop backend systems for international payment gateway integrations (Visa, Mastercard, Amex, UPI).
Support migration to Base24-eps on Linux RHEL or Cloud.
Collaborate with QA, frontend, and business stakeholders to deliver robust solutions.
Work with vendors, schemes and banks under guidance of technical leads.
Develop solutions following PCI‑DSS and international card scheme requirements.
Optimize performance and reliability of switching systems and back-end services.
Document system architecture, integration flows, and technical specifications.