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, facilitating troubleshooting and resolving issues in b...