Frontend Engineer – FinTech AI Platform

Company: Carousel Consultancy Ltd
Apply for the Frontend Engineer – FinTech AI Platform
Location: London
Job Description:

Frontend Engineer – Rapid-growth FinTech AI Platform – London / Hybrid / Europe Remote – £70k-£100k (DoE)

We have an incredible opportunity for a skilled, passionate and experienced Frontend Engineer, with demonstrable experience in building complex, high-performance frontend applications in TypeScript and React, to join a fantastic FinTech on a London hybrid or UK / European remote working basis as soon as possible.

The Opportunity:

This is the perfect opportunity to join an immediately successful FinTech AI platform, in a crucial role that is critical to the product’s success and the company’s future.

The Frontend Engineer will build and maintain complex, data-rich, responsive interfaces in Typescript and React. You will need to have a passion for performance, a growth mindset and the drive to continuously learn, develop and improve. Our client is a rapidly scaling company, so this is a prime opportunity to get your foot in the door and join a dynamic, high-performance team on an exciting trajectory!

Key responsibilities as the Frontend Engineer will include:

  • Building, developing and maintaining complex, data-rich, responsive interfaces in TypeScript and React
  • Profiling and optimising frontend code to improve application performance
  • Protecting code quality by adhering to best practices and implementing automated tests
  • Troubleshooting and resolving frontend issues including edge cases
  • Proactively identifying areas for improvement – and acting on it
  • Growing and developing with the role as the company expands

And more.

What we’re looking for:

  • Experienced in building complex, high-performance frontend applications in TypeScript and React
  • Experienced in profiling and optimising frontend code to ensure smooth, responsive user interfaces
  • Strong commitment to code quality, testing and catching edge cases before users do
  • Someone excited by challenging projects and who enjoys intense technical debates
  • Experience with cloud platforms such as AWS is beneficial
  • Driven to improve as an Engineer – eager to work with peers who push and support each other to continuously improve
  • Experience working in a FinTech organisation is highly advantageous
  • Strong communication skills and the ability to liaise at all levels
  • Collaborative nature – ability to work independently and as part of a team
  • Ability and desire to work in a fast-paced, rapid-growth environment
  • Highly ambitious, driven and focused

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Posted: October 11th, 2026