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Urgent! Java CardLink Developer Job Opening In Singapore, Singapore – Now Hiring OX CONSULTANCY PTE. LTD.

Java CardLink Developer



Job description

Key Responsibilities

  • Design, develop, and maintain Java Card applets for smart card solutions.

  • Implement secure applications in compliance with EMV, Global Platform.

  • Work on card personalization, key management, and secure data storage.

  • Collaborate with cross-functional teams (security, QA, product, integration) to deliver high-quality solutions.

  • Debug and resolve issues related to card lifecycle management and transaction processing.

  • Ensure compliance with security best practices in payment/identity systems.

Required Skills

  • 3–7 years of professional experience in Java development, with at least 3+ years in Java Card technology .

  • Strong understanding of Java Card API, GlobalPlatform specifications, APDU commands.

  • Experience with smart card personalization, card issuance systems, and PKI-based authentication .

  • Knowledge of cryptography concepts (RSA, AES, DES, PKI, key exchange, certificates) .

  • Proficiency in debugging smart card applications and working with simulators/emulators.

  • Familiarity with secure elements (SE), payment cards, telecom SIMs, or eID solutions .


Required Skill Profession

Other General



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    Unlock Your Java CardLink Potential: Insight & Career Growth Guide


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