Lead Engineer

4 weeks ago

Itanagar, India U2opia Mobile Full time

About The Role
Were looking for a Lead Engineer with strong experience in telecom core networks and system integration to lead the design and development of a new Entitlement Server supporting SIM-based silent authentication. This is a strategic R&D role where youll work closely with our backend and product teams to build a carrier-grade platform that interfaces with mobile operator infrastructure. This role is ideal for someone who understands telecom protocols, knows how to integrate with HSS/AAA systems, and can design backend systemseven if not hands-on coding daily.

What Youll Do

  • Own the system architecture and integration design for the entitlement server
  • Work closely with mobile network operators to understand their HSS/HLR, AAA, and core

integration requirements

  • Design and review APIs that enable SIM/eSIM-based silent authentication flows
  • Guide developers and ensure compliance with GSMA TS.43 and 3GPP standards
  • Lead technical discussions and interface with security, backend, and cloud teams
  • Support internal and external testing, audits, and pilot Were Looking For :
  • Should have experience in telecom systems or core network software
  • Strong understanding of mobile authentication (EAP-AKA / SIM-based auth)
  • Experience working with HSS, AAA, or IMS systems in real-world telecom environments
  • Familiarity with GSMA standards (especially TS.43) is a strong plus
  • Good system design and documentation skills
  • Solid knowledge of backend systems, preferably with experience in Java-based environments
  • Clear communicator who can work across technical and business Points For :
  • Experience with 5G Core or GSMA Open Gateway APIs
  • Prior work on entitlement platforms, provisioning systems, or SIM authentication flows
  • Understanding of container-based deployments (e.g., Docker, Join Us :

Youll lead a first-of-its-kind project that modernizes telecom authentication using the SIM. Youll be shaping the future of secure, seamless user experiences for mobile services

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