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 to keep a highly integrated backend alive across many moving parts.

Responsibilities

• Core backend services: campaign orchestrators, FSM-based workflow engines, API integrations with telephony (Twilio), voice AI platforms, insurance carriers, and CRMs.
• System design and architecture decisions alongside the CTO.
• Multi-server deployments, async processing pipelines, event-driven flows.
• Frontend integration via Next.js (familiarity needed...