# POS Developer

> Fuku · Singapore, Singapore · Full-time · Posted 2026-01-20

**Workplace:** on_site

## 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.

## Apply

[Apply at Fuku](https://apply.workable.com/fuku/j/B98FD59D31/apply)

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