POS Developer

Fuku; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Fuku in Singapore seeks an experienced software engineer to design and develop payment terminal applications across multiple Android-based terminal models. You will integrate with host systems via ISO8583 and Web APIs, while ensuring secure, well-tested code and documentation.

You will participate in EMV L3 certification with major schemes and contribute to test tools and automation. Collaboration with QA, POS teams, Support, and Certification is essential for SDLC success and NETS integrations.

Qualifications

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

Responsibilities

• Design and develop engineering solutions for payment terminal apps across Android models and host integrations.
• Translate requirements into secure, tested, and documented code.
• Participate in EMV L3 certification with Visa, Mastercard, AMEX, UnionPay, JCB and Discover.
• Develop test tools and adopt test automation within the lifecycle.
• Collaborate with QA, POS devs, Support and Certification for SDLC activities and troubleshooting.
• Facilitate external collaboration for application integration with NETS partners.

Skills

5+ years payment terminal software

EMV contact & contactless

ISO8583

C/C++/Java/Python

Linux

Multiplatform Android development

Education

Degree in Computer Science or related discipline

Tools

Git

Android Studio

Gradle

JUnit

Confluence

JIRA

Javadoc

Ingenico

PAX

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.