Senior Backend Engineer – Communications (USA Only - 100% Remote)

Close moves 7 million minutes of call recordings, millions of sales emails, and a steady volume of SMS through our pipes every month. The Communications team owns that entire surface — and the job got trickier in the last year, because real-time calling is now a real-time AI problem. When a customer tells Chloe to make a call, everything that happens from that moment on — the live call, the conversation itself — is this team's. We're looking for someone energized by both sides of the role: the distributed-systems challenges and the AI challenges. One thing to know up front: we do move people between teams as the work shifts. Most engineers here end up on more than one team over their time at Close — this team is where you'll start, but over time you'll likely have the opportunity to work on many different projects. This role is open at multiple levels — Software Engineer, Senior, and Staff. You don't need to pick one when you apply: we'll calibrate together during the process. YOU ARE - A seasoned engineer. Python is our backbone, but perhaps you've worked across Go, Rust, or TypeScript. You pick the right tool for the workload rather than retreating to what you know. - Deeply expe... Click Apply to read the full job description.