Full Stack Software Engineer (L4)

Company: Kapwing
Location: San Francisco
Posted on: April 1, 2025

Job Description:

Video editing is the final frontier of software tools moving to the cloud. We're making the next generation of modern creators tools to enable everyone to share their story online. Join us at Kapwing on our mission to make content creation fast, accessible, and collaborative.Everyone is a creator. The problem, however, is that today's tools get in the way of expressing our creativity fully. Especially when it comes to video, the gap between an idea and a video is wide enough that it's hard to even start.Our mission at Kapwing is to make content creation easier and more accessible. Our main product, Kapwing Studio, is an online video editor that is both powerful and easy to use. Millions of creators every month choose Kapwing to tell their story and bring their ideas to life.Our vision is to build a modern video editing platform that serves as the go-to tool for anyone creating video for YouTube, social media, or work. Kapwing turns video editing, traditionally a heavyweight, time-consuming workflow, into a joyful, collaborative experience. We believe that we can use technology to augment the video editing and content creation experience, and we've already started on this path with a wide array of templates, applications of artificial intelligence, and new pipelines for exporting and video processing.Join us on our journey to democratize creative tools and invent the future stack of video creation.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.Requirements:
  • 2-6+ years of production-level software engineering experience in a modern web stack.
  • 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.
  • 1+ years of experience building full-stack features that leverage LLMs.
  • Scrappy: Define and quickly execute on MVPs to test out product hypotheses. Descopes problems to avoid getting lost in the weeds.
  • Entrepreneurial: Excited about joining a small, high-growth team and contributing across all areas of the company.
  • 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.
  • [Preferred] Interest in or experience with video engineering (processing, uploads, FFMPEG, visual recognition, etc).
  • Work authorization in the USA for 4+ years without sponsorship.We're looking to hire a talented full-stack software engineer to join our Repurpose team. This engineer will build new creative applications with LLMs and generative AI to make video creation faster and easier. This position is a full-time role reporting to a Senior Engineering Manager at the Kapwing HQ.This position is based in San Francisco for work-authorized candidates only; remote applicants will be rejected. We have a hybrid work schedule, with 3 required days (Tuesday-Thursday) in the office, and a vibrant in-person culture.
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Keywords: Kapwing, San Francisco , Full Stack Software Engineer (L4), IT / Software / Systems , San Francisco, California