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

- **Company:** The Ladders
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $120,000.0 - $150,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Distributed Systems, Internet Message Access Protocols, Python (Programming Language), Redis, Software Tools, Software Engineering, Twilio, TypeScript, WebSocket, WebRTC, Backend, Apache Kafka
- **Published:** August 15, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pb8uh09znz

## About the Role

* 5-7 years of engineering experience with a focus on software development
 * Proficient in Python with working knowledge of Go, Rust, or TypeScript
 * Extensive experience with email and calendar systems, particularly IMAP and synchronization protocols
 * Strong understanding of real-time distributed systems, including WebRTC and WebSockets
 * Experience building AI features for workflows, especially in real-time environments
 * Deep familiarity with telephony systems and protocols; Twilio knowledge is advantageous
 * Comfortable using AI tools to enhance productivity in coding and project execution

## Description

* Revamp the company's email and calendar synchronization system for improved performance
 * Enhance voice agent capabilities as part of the live call experience
 * Develop solutions for managing inbound conversations and seamless call routing
 * Integrate advanced scheduling features directly into the company's platform
 * Design mechanisms for human interaction with AI-generated tasks and outputs
 * Increase connection and answer rates using innovative telephony strategies
 * Advance streaming infrastructure using tools like Kafka and Redis


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