Senior Backend Engineer — Payments Systems & PCI-DSS

NETS; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

The NETS Group is a leading payments services group delivering digital payments across merchants, consumers and banks in Singapore. We seek an experienced backend engineer to develop and integrate international payment gateway systems, migrate to Base24-eps, and ensure scalable, secure services.

You will work with cross-functional teams, align with PCI-DSS standards, and optimize switching platforms for performance and reliability in a fast-paced environment.

Qualifications

• Bachelor’s degree in computer science, software engineering, or related field.
• 5+ years of backend development experience with payment systems and switching platforms.
• Strong experience with Linux (RHEL) and AWS Cloud.
• Proficiency in C++, Korn Shell Script, and PostgreSQL.
• Experience with Base24-eps and IBM MQ is a plus.

Responsibilities

• Analyze project requirements and contribute to functional and technical designs.
• Develop backend systems for international payment gateway integrations (Visa, Mastercard, Amex, UPI).
• Support migration and implementation to Base24-eps on Linux RHEL or Cloud, replacing legacy systems.
• Collaborate with 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 and card scheme requirements.
• Optimize performance and reliability of switching systems and backend services.

Skills

Backend development

C++

Korn Shell Script

Linux

RHEL

AWS Cloud

PostgreSQL

IBM MQ middleware

Base24-eps

Education

Bachelor's degree in computer science or related field

Tools

IBM MQ middleware

Base24-eps

PostgreSQL

Job description

The NETS Group is a leading payments services group delivering digital payments across merchants, consumers and banks in Singapore. We seek an experienced backend engineer to develop and integrate international payment gateway systems, migrate to Base24-eps, and ensure scalable, secure services.

You will work with cross-functional teams, align with PCI-DSS standards, and optimize switching platforms for performance and reliability in a fast-paced environment.