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Rep.ai: Senior Backend Engineer

Original link: https://weworkremotely.com/remote-jobs/rep-ai-senior-backend-engineer

  • Headquarters:
    URL: https://rep.ai

    Company Overview

    Rep.ai is building the next generation of live chat — powered by human-level AI avatars.

    Tired of clunky, frustrating chatbot popups? So are we. Rep.ai reimagines online communication by replacing outdated bots with AI-powered video avatars that feel like talking to a real human — but available 24/7, infinitely scalable, and trained to convert. See it in action at rep.ai.

    Job Description

    We’re hiring a Senior Software Engineer to join our core team and help build the infrastructure behind AI Live Chat. You’ll work on systems that power real-time interactions, intelligent agent behaviors, and seamless integrations across the web — all at scale.

    This is a high-impact role for someone who thrives in fast-moving environments, loves clean code, and wants to help shape the future of AI-powered customer experience.

    What You’ll Do

    • Build core systems using Python, Postgres, and AWS.

    • Design and maintain APIs that support real-time video chat and AI agent behavior.

    • Optimize performance and scalability, ensuring our AI avatars feel fast and natural.

    • Harden security, especially in cloud environments, and proactively mitigate vulnerabilities.

    • Write clean, testable code, and help maintain high engineering standards through code review and documentation.

    • Solve hard problems, debug complex issues, and help evolve our system architecture as we scale.

    What We’re Looking For

    • 8+ years of experience in software development with strong fluency in Python

    • Deep knowledge of Postgres and SQL

    • Production experience with AWS services

    • Familiarity with front-end technologies and frameworks (e.g., React)

    • Strong grasp of RESTful API design

    • Git proficiency and comfort with version control workflows

    • A track record of writing clean, maintainable, and efficient code

    • Excellent problem-solving and communication skills

    • Experience in agile teams and working asynchronously

    • Bonus: leadership or mentoring experience

    Why Join Us

    • Competitive compensation

    • Fully remote / async team

    • A chance to shape the future of how humans and AI interact online

    If you’re an experienced engineer ready to build ambitious, intelligent systems with real-world impact — we’d love to hear from you.

    👉 Check out what we’re building at rep.ai and apply now.

    To apply: https://weworkremotely.com/remote-jobs/rep-ai-senior-backend-engineer