Senior Backend Engineer (Telco Integration Lead) We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world''s leading telecommunications giants, our mission is to restore trust in global voice communication. This is not a standard Back End role. We are seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our right to win, and you will be the engineer responsible for building the bridge to it. You will be the Critical Path Owner for Track Zero, the 30-day foundational sprint to validate and integrate the first-ever CAMARA-based signals (like sim-swap and device-roaming-status) from our telco founders. Your success is the Go/No-Go gate for our MWC 2026 launch. You will be directly responsible for building the out-of-band data path that enables our flagship Telco-Verified Security Shield and its sub-500ms Time-to-Trust metric, our core differentiator that no over-the-top competitor can replicate. This position offers a unique opportunity to define a new category of network-aware security, working directly with the world''s leading carriers to turn their network data into a Real Time defense against global fraud. Key Responsibilities Telco Integration andamp; Architecture Own and build the Security Signal Ingestion path, the secure, low-latency, and ..... full job details .....