SalesBlue is a voice AI sales automation platform for insurance brokerages in Mexico and Spain. We build outbound calling systems, campaign orchestrators, and agentic workflows integrating telephony, LLMs, carrier portals, and CRMs. Complex backend, real clients, fast pace environment. We need a senior .NET/C# engineer who has operated real production systems under load — not just built them. Someone who thinks in architecture first, can design for resilience and scale, and knows what it means …