Senior Telecom Software Engineer (5G Core, IMS, SIP/VoIP, Go)

About the Role

We are seeking a highly skilled Engineer to help build and scale a next-generation wireless telecom platform. As one of the first engineering hires, you will play a critical role in designing core telecom infrastructure, building scalable backend systems, and shaping the overall technical architecture of the company.

Key Responsibilities

• Design and develop LTE/5G core network components.
• Build and optimize IMS (IP Multimedia Subsystem) infrastructure.
• Develop telecom services using SIP, RTP, Diameter, and SS7 protocols.
• Build scalable backend services and APIs.
• Develop orchestration layers connecting telecom systems, eSIM provisioning platforms, and internal services.
• Develop customer-facing self-service portals and management dashboards.
• Deploy and manage cloud-native applications on AWS, Azure, or GCP.

Required Experience

• 5+ years of softw...