Senior Frontend Engineer

Company: La Fosse
Apply for the Senior Frontend Engineer
Location: London
Job Description:

Senior Frontend Engineer – Up to £80k – Bank

We’re working with a growing fintech business building a sophisticated investment reporting platform used by asset managers ranging from boutique firms to global institutions.

They’re expanding their frontend team and looking for a Senior Engineer to help shape and scale a suite of data-driven, client-facing products.

The role

This is a high-impact position in a small, collaborative team where frontend is core to the product.

You’ll be:

  • Building modern web applications and reusable components
  • Working closely with stakeholders across the business
  • Contributing to frontend architecture and roadmap decisions
  • Helping define how products are built, not just what gets built
  • Mentoring junior engineers and driving technical standards
  • Strong React experience (modern patterns)
  • Experience building complex, client-facing web apps from scratch
  • Strong understanding of web fundamentals and performance
  • Product mindset and high attention to detail

Nice to have

  • Experience with data-heavy or financial platforms
  • Exposure to Python / Django environments
  • Small, high-performing team with real ownership
  • Opportunity to shape frontend direction and product evolution
  • Interesting domain with complex, data-rich challenges
  • Clear platform growth as the business scales

Package

  • Salary: up to £80,000
  • Location: Bank (hybrid)

Get in contact if you are looking for your next role

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Posted: June 21st, 2026