POS Developer
Tangspac InternationalSingapore1 day ago
Full-timeCustomer Service
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Responsibilities
*Education and Experience:*
- 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.
*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.
- 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.
Key Skills
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