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Software Engineer, Backend (7+ years of experience)

Captions

$170,000 - $250,000
Aug 26, 2025
New York, NY, US
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Captions is looking to evolve its foundational infrastructure to support a global user base and enable rapid feature development for its AI video creation products.

Requirements

  • 7+ years of industry experience designing, building, and operating distributed systems in a production environment.
  • Strong computer science fundamentals (data structures, algorithms, concurrency, etc.) and proficiency in modern programming languages (e.g., Python, C++, Java, Rust).
  • Hands-on experience with cloud infrastructures (GCP, AWS, Azure, or others) and container orchestration (Kubernetes).
  • Excellent problem-solving skills with a proven track record of delivering high-quality, scalable solutions.

Responsibilities

  • You will design, implement, and optimize large-scale distributed systems capable of handling enormous throughput and concurrency.
  • You’ll collaborate closely with product teams to make sure our platform is not just operationally sound, but also enables rapid feature development and deployment across multiple surfaces (mobile, web, and beyond).
  • You’ll have visibility into our advanced video processing workflows and AI research efforts, contributing to the core building blocks that make these cutting-edge initiatives possible.
  • You’ll bring new ideas and approaches to the table, stay ahead of industry trends, and help guide our platform roadmap and best practices.
  • Continuously refine our existing platform, identify new technologies or methodologies that can enhance our infrastructure, and guide their adoption within the organization.
  • Partner with cross-functional teams (product, web, mobile, ML research) to address scale, performance, and security challenges.

Other

  • all of our roles will require you to be in-person at our NYC HQ (located in Union Square)
  • This person will have an opportunity to help creators around the world tell their stories with audio, video, and beyond.