Founding Engineer at Trelium

We’re looking for a Founding Engineer to help build the core systems that power Questom. This is not a framework-specialist role. It’s not about perfect abstractions on day one. It is about systems thinking, ownership, and the ability to stitch together complex infrastructure into something that works — fast. You’ll be one of a very small group shaping not just the product, but how the company builds. Design and build high-performance systems that connect: Communication platforms (voice, SMS, email, chat) Agentic workflows External tools like CRMs and internal APIs Communication platforms (voice, SMS, email, chat) Agentic workflows External tools like CRMs and internal APIs Stitch together APIs, workflows, and agents into cohesive systems that actually run in production Think deeply about how these systems scale across many customers with different data sources and configurations Create workflows where agents: Handle live conversations Pull context from systems like Salesforce Log outcomes in tools like HubSpot Take real actions on behalf of users Handle live conversations Pull context from systems like Salesforce Log outcomes in tools like HubSpot Take real actions on behalf of us