SIM Over-The-Air (OTA) Developer
- Hiring Organisation
- Flint UK Technology Services
- Location
- London, United Kingdom
- Employment Type
- Contract
- Contract Rate
- GBP Annual
cycle management, and updates of SIM profiles across large-scale mobile networks. Key Responsibilities Design, develop, and maintain SIM OTA applications in compliance with 3GPP and GSMA standards Implement secure OTA messaging for SIM/eSIM provisioning, updates, and life cycle management Integrate OTA platforms with HSMs, SMSCs, SMPP gateways … experience in SIM OTA technologies Hands-on experience with: SIM Toolkit (STK)/Java Card OTA protocols (SMS-PP, CAT-TP, SCP80/SCP81) 3GPP, ETSI, and GSMA specifications Experience with eSIM/RSP architecture Knowledge of cryptography , key management, and secure messaging Familiarity with SMPP, SMSC integration , and mobile ...