Full-Stack Engineer

London, UK

Founded in 2019, Replai is the world’s first video-based creative insights platform that empowers brands to maximize the performance and engagement of their creatives. Blending computer vision and AI technology, Replai has solved a long-standing problem that helps brands recalibrate their creatives so they can maximize growth. Replai partners with some of the biggest global brands and mobile app companies. Based in San Francisco, Replai is a privately held, venture-backed company, with offices in London and Porto.

Your responsibilities

Ever wondered why some videos go viral while others don’t? Or, why some videos trigger certain behaviors? We are building a product that gives you the recipe for successful advertising videos for your audience.

Your role is to team up with our engineers and build our platform. You will be working on:

  • Integrating with networks to fetch daily metrics on the performance of the videos.
  • Iterating our API to support multiple use cases, while ensuring fast performance.
  • Creating additional views and features on the front end, where we help users learn and extract the maximum knowledge out of their videos.

About you:

We’re looking for people who improve our company! Our ideal fit is:

  • Wanting to learn constantly, on a daily basis. We are working on an untapped area, we have to keep learning; this requires you to keep investigating and collecting knowledge.
  • Proactive and fast thinker. No one has ever done this, we need someone that is able to more than deliver a feature completed, that thinks about it and how it can be improved.
  • Focused on usability. Dealing with complex data is not an easy task and our customers know it. Come and build a product that turns complex data into actionable and digestible information.


  • At least 2 years of work experience as a software engineer.
  • Fluent in design patterns and other Computer Science fundamentals.
  • Proficient in NodeJS.
  • Proficient in front-end frameworks like React or Angular (we use React).
  • Proficient in serverless computing.
  • Proficient in SQL.
  • Able to communicate in English.

Nice to have:

  • AWS. Strong plus.
  • Worked on a startup. Strong plus.
  • Python programming experience.
  • CI/CD on Bitbucket pipelines.
  • Webpack.

Compensation and perks

  • Employee equity plan.
  • Health Insurance for you.
  • Liberal work-from-home policy.
  • Unlimited vacation policy.
  • International, diverse teams with a strong focus on collaboration, transparency, and feedback.
Send your resume and a short cover letter to careers@replai.io to apply.