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Kapwing Logo

Full Stack Software Engineer (L3)

Kapwing

$135,000 - $170,000
Oct 29, 2025
San Francisco, CA, US
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Kapwing is looking to solve the problem of making content creation fast, accessible, and collaborative by building the next generation of modern creators tools.

Requirements

  • 1+ years of production-level software engineering experience in a modern web stack OR 2+ production-level internships
  • Comfortable with React, Redux, Typescript, Node, automated testing (i.e. Cypress, Jest) and REST APIs
  • Experience prototyping and building new products from scratch. Can evaluate, configure, and incorporate new web technology
  • Experience building full stack features that leverage LLMs
  • Interest in or experience with video engineering (processing, uploads, FFMPEG, visual recognition, etc)
  • Experience with automated testing (i.e. Cypress, Jest)
  • Experience with REST APIs

Responsibilities

  • Define, build, and launch full-stack features (React, Node, and Python) for one of the world's most popular cloud-based video editors.
  • Design, test, and implement LLM powered pipelines to automate away tedious parts of video editing.
  • Stay up-to-date on new AI technologies, including LLMs and generative models. Prototype and test new technologies to evaluate quality and improve performance.
  • Test new features, monitor releases, and mitigate risk.
  • Investigate and prototype new technologies and build applications on top of ML-powered APIs
  • Implement new features and improvements to Kapwing’s Studio and other core products. Partner with product and growth to reach new creators and sell to creative enterprises.
  • Create a culture of engineering excellence by refining our processes, documentation, onboarding and interviewing practices, tooling, and other cross-functional systems. Collaborate with, mentor, and teach other engineers in your area of expertise.

Other

  • 1+ years of production-level software engineering experience
  • Work authorization in the USA for 4+ years without sponsorship
  • No ego: There’s a lot we wish we could do but don’t have time for. Must have the ability to put the product’s needs first.
  • Entrepreneurial: Excited about joining a small, high-growth team and contributing across all areas of the company
  • Scrappy: Define and quickly execute on MVPs to test out product hypotheses. Descopes problems to avoid getting lost in the weeds.