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# Java Card/EMV Developer

- **Company:** HCLTech
- **Location:** Crawley, UK
- **Contract:** Permanent contract
- **Skills:** Android NDK, Mobile Application Development, White-Box Testing, Hardware Security Module, RSA (Cryptosystem), Smart Cards, Host Card Emulation, Java Card
- **Published:** July 25, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/41872986/

## About the Role

Job Duty:Hands-on experience in developing EMV payment applications on JavaCard and/or native platforms.Proven expertise in Host Card Emulation (HCE) and/or payment application development using the Android Native Development Kit (NDK), including deployment and testing.Strong understanding of white-box cryptography and related protection techniques.Experience with EMV payment application personalization methodologies, including EMV-CPS, and associated cryptographic processes.Practical knowledge of GlobalPlatform over-the-air (OTA) personalization and secure key provisioning procedures.Solid understanding of both legacy and modern cryptographic algorithms and frameworks, including 3DES, RSA, AES, and Elliptic Curve (EC) cryptography.Experience working with Hardware Security Modules (HSMs) and related security infrastructures is a plus.



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