Job Description

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 issues in both pre- and post-production environments.

Facilitate external collaboration for application integration support to NETS partners.


Requirements:



Education and Experience:

Degree in Computer Science or related technology disciplines. Minimum 5 years of proficiency in payment terminal software development and programming experience on embedded POS devices. Demonstrated expertise in EMV contact and contactless, ISO8583 is mandatory. Experience on Linux platform for Key Management System integration with HSM is advantageous.


Skills and Knowledge:

Excellent and strong knowledge of development with experience in various payment implementations and multiple interface protocols (ISO8583, JSON, HEX data format). Proficient in developing applications using programming languages such as C, C++, Java, and Python. Familiarity and working knowledge of Git, Ingenico, PAX, Android Studio, Gradle, JAVADoc, Junit, Confluence, and JIRA. * Self-starter, driven, and adaptable individual who thrives in a dynamic and fast-paced environment, with the ability to work independently or as part of a team with minimal supervision.