Senior React Engineer – Form-Heavy SPA for Onboarding

IFX Payments; Greater London; On-site; GBP 80,000 - 120,000; Full time

Benefits offered by this job

25 days annual leave

Birthday day off

Pension scheme

Job summary

IFX Payments in London seeks a skilled front-end engineer to own React/TypeScript SPAs for onboarding clients and KYC/KYB workflows. You will design, implement, test, and own features end-to-end, ensuring robust state management, form handling, and secure integrations with identity providers.

The role emphasizes architectural leadership, code quality, and collaboration with the tribe to deliver customer outcomes.

Qualifications

• Proven track record building modern SPAs in React/TypeScript.
• Experience with complex form handling and multi-step flows.

Responsibilities

• Design and build features in a React SPA with form-heavy flows.
• Test all features to prove they work as intended.
• Make architectural decisions for your domain and defend them.
• Build in security, reliability and observability from start.

Skills

React

TypeScript

Single-page apps

Form engineering

Security

Observability

AI tooling

Code reviews

Communication

Education

Bachelor's degree in CS/Engineering

Tools

TanStack Query

Tailwind

Radix/shadcn

Vitest

RTL

MSW

Vite

Azure DevOps

Job description

IFX Payments in London seeks a skilled front-end engineer to own React/TypeScript SPAs for onboarding clients and KYC/KYB workflows. You will design, implement, test, and own features end-to-end, ensuring robust state management, form handling, and secure integrations with identity providers.

The role emphasizes architectural leadership, code quality, and collaboration with the tribe to deliver customer outcomes.