Full-time

Senior Payment Terminal Software Engineer

Posted by HELIUS TECHNOLOGIES PTE. LTD. • Singapore, Singapore, Singapore

📍 Singapore, Singapore 🕒 March 01, 2026

About the Role

Job Summary

We are seeking an experienced Senior Payment Terminal Software Engineer to design and develop secure, high-performance payment terminal applications running on Android-based POS devices .

Key Responsibilities

  • Design and develop payment terminal applications across multiple Android-based payment terminal models.
  • Integrate payment applications with host systems and merchant POS systems (ECR) using standard protocols such as ISO8583, Web APIs, and JSON .
  • Translate business and user requirements into secure, resilient, and maintainable code .
  • Support and participate in EMV Level 3 certification with international payment schemes including Visa, Mastercard, AMEX, UnionPay, JCB, and Discover ; experience with PURE kernel is an advantage.
  • Develop and enhance development and test tools , and adopt test automation frameworks as pa...

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