> Markdown version of [/jobs/ext/2824696-senior-frontend-engineer-react-typescript-onboarding-spa](https://www.wearedevelopers.com/jobs/ext/2824696-senior-frontend-engineer-react-typescript-onboarding-spa). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Senior Frontend Engineer - React/TypeScript Onboarding SPA

- **Company:** IFX Payments
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** TypeScript, ReactJS, Front End Software Development
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2860994037-senior-frontend-engineer--reacttypescript-onboarding-spa

## About the Role

We expect strong React/TypeScript experience, deep form engineering, and a pragmatic approach to AI tooling with a focus on customer outcomes. This full-time role sits in a fast-growing fintech", with security and observability baked in.
#J-18808-Ljbffr

## Description

Ifx-Payments in London is seeking a Senior Frontend Engineer to join the Technology team. You will own the design and implementation of a React-based SPA that orchestrates complex forms and onboarding flows for clients and sub-accounts.


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