Full-time

POS Developer

Posted by Tangspac International • Singapore, Singapore, Singapore

📍 Singapore, Singapore 🕒 March 01, 2026

About the Role

Responsibilities
  • Design and develop engineering solutions for payment terminal applications that run across multiple Android-based payment terminal models (Ingenico, PAX, Castles), integrating with multiple host systems using standard protocols (e.g., ISO8583, Web APIs, JSON) and merchant POS systems (ECR – Electronic Cash Register).
  • Translate user requirements into secure, resilient, and maintainable source code that is properly tested, reviewed, and documented.
  • Participate in EMV L3 certification processes with international payment schemes such as Visa, Mastercard, AMEX, UnionPay, JCB, and Discover. Experience with PURE kernel is advantageous.
  • Contribute to the development of test tools and adopt test automation frameworks as part of the development lifecycle.
  • Collaborate with internal teams (QA testers, POS developers, Support, and Certification team) for SDLC activities, facilitate troubleshooting, and resolve is...

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