Senior Frontend Engineer — Form-Heavy React/TS

IFX Payments; City Of London; On-site; GBP 110,000 - 150,000; Full time

Benefits offered by this job

25 days’ annual leave

Birthday day off

Pension scheme

Annual discretionary bonus

Life Insurance

Healthcare benefits

Flexible benefits

Career progression

Cycle to work

Job summary

IFX Payments is seeking a Senior Frontend Engineer to join the Technology department in London. You will own front-end components and complex forms in a React 18/TypeScript environment, focusing on onboarding clients and accounts with KYC/KYB workflows.

You will design, implement, and own features end-to-end, ensuring security, reliability, and observability from day one. Strong collaboration and clear communication with engineers and non-engineers are essential.

Qualifications

• A strong track record of building modern SPAs in React and TypeScript with real users.
• Experience with complex form engineering and onboarding flows.

Responsibilities

• Design and build new features in a React SPA with form-heavy workflows.
• Thoroughly test all builds to ensure reliability.
• Make architectural calls and defend decisions in team discussions.

Skills

React

TypeScript

Form handling

Testing

Accessibility

AI in development

Communication

Security & observability

Code review

Tools

TanStack Query

Vitest

RTL

MSW

Tailwind

Radix/shadcn

Vite

Azure DevOps

Job description

IFX Payments is seeking a Senior Frontend Engineer to join the Technology department in London. You will own front-end components and complex forms in a React 18/TypeScript environment, focusing on onboarding clients and accounts with KYC/KYB workflows.

You will design, implement, and own features end-to-end, ensuring security, reliability, and observability from day one. Strong collaboration and clear communication with engineers and non-engineers are essential.