Senior Frontend Engineer

Flagstone Group LTD
London
Who is Flagstone International?

Flagstone International is a Jersey based FinTech offering online cash deposits and FX services with in-flight plans to extend our current services. We are reinventing how individuals, and corporates/entities including Trusts and Captives manage, protect, and grow their cash. We are a diverse group of people, bound by a collaborative spirit, and shared purpose. Flagstone International is 100% owned by our parent Flagstone Group LTD which is a thriving, profitable business.

Each definition shares a common thread: our unique culture. It's our pride and joy. And our competitive advantage.

A feel for our culture:

To revolutionise the cash deposit and FX markets, we need to be at our best. But high performance takes more than talent - it takes a culture of kindness, respect, and growth.

That's why we are building a diverse, inclusive community, where your voice is heard and valued. Where, with close support and room to develop, you can surpass even your own expectations, and be rewarded for it.

We may not change the world, but we can change the world of financial technology. All it takes is a winning mix of drive, talent, and empathy. Our culture celebrates all three.

What you'll do

As a Senior Front End Engineer, you will play an active role in an Agile software team, fostering best practice and automation to ensure software quality. As a subject matter expert in your domain, and through working collaboratively, you will get to work on new features and deliver a high quality, resilient product. You will always look to help improve the software engineering processes and practices, and to influence the software architecture.

This role is fully remote (UK), but you'll be working closely with our team in Jersey.

What you'll need
  • Minimum of 10 years of experience in software development
  • Experience with Typescript, ReactJS, Styled Components, Tan Stack, Redux, CSS, Storybook, Unit Testing and Cypress tests.
  • Experience working on multiple projects and follow or lead towards consistent development practices.
  • Confident verbal and written communication
  • Stakeholder management
  • Problem solving skills
  • A genuine ability and enthusiasm to coach and guide junior members of the team
What you'll get
  • Pension
  • PMI
  • Income Protection
  • Life Insurance
  • Spill - Mental Health Platform
  • Selling/Buying Leave - 5 days
  • Learning Bursary
  • Giving back/wellbeing days - 3 days volunteer and 0.5 days per quarter to have a wellbeing days
  • Flagstone employee account
We're keen to meet people from all backgrounds, it is our diversity that allows us to work smarter, be more innovative and make better decisions, together. We build teams that represent a variety of voices, experiences, and skills, and we hire those who will help us drive results and achieve our goals.

We'd be thrilled if you tick off all our boxes but if you're excited about joining us and think you have some of what we're looking for, even if you're not 100% sure, we'd still love to hear from you.

#LI-Remote
Posted 2025-06-15

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