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

    Close
    USA - Remote
    Remote
    Senior
    Full Time
    28 days ago
    💰$ 140,000 - $ 210,000
    remoteseniorbackendpythonaidistributed-systemstelephony

    Requirements

    • Seasoned engineer with experience in Python, Go, Rust, or TypeScript
    • Deep experience with email and calendar platforms including IMAP, sync protocols, calendar APIs
    • Fluent in real-time and async distributed systems such as WebRTC, WebSockets, queues, streaming
    • Experience with AI in real-time workflows including live transcription, voice agents, or in-the-loop AI features
    • Familiarity with telephony providers, codecs, retries, eventual consistency
    • Experience working with AI tools in daily workflow

    What You'll Do

    • Overhaul how Close syncs email and calendars
    • Take voice agents further into the call
    • Solve inbound call handling and routing
    • Build native scheduling capabilities
    • Design human orchestration of an agentic workforce
    • Push connect rates and answer rates
    • Move streaming and event substrate forward

    Nice to Have

    • Deep Twilio or similar telephony experience

    Benefits

    • 100% remote work
    • Opportunity to work on multiple teams and projects
    • Annual in-person team retreat

    About Close

    A CRM for startups and small businesses with built-in sales communication tools.

    San Francisco, CA
    100-250
    Sales & Marketing