Frontend Developer (React/Next.js, Fintech)

TL;DR

Frontend Developer (React/Next.js, Fintech): Developing and optimizing user interfaces for a global FinTech infrastructure platform with an accent on performance, clean code, and user experience. Focus on designing component and frontend architectures, integrating with APIs, and leveraging AI tools for efficiency.

Location: Fully Remote with a distributed international team. The company has a presence in Warsaw.

Salary: To be discussed.

Company

Our client is an international FinTech startup building infrastructure for payments and banking products, scaling rapidly with 400+ clients across 10 countries.

What you will do

• Develop and improve user interfaces using React and Next.js.
• Optimize performance and user experience across complex flows.
• Participate in component and frontend architecture design.
• Contribute to the design system and consistent product UI.
• Use AI tools to speed up routine tasks while ensuring production code quality.

Requirements

• Strong experience with React, TypeScript, and modern JavaScript.
• Solid understanding of Next.js and server-side rendering.
• Experience working with APIs and application state.
• Ability to write clean, readable, and maintainable code.
• Experience with state management solutions (e.g., Redux, Zustand).
• Confident use of AI tools (Claude Code, Cursor, Copilot) as a productivity multiplier.
• Good communication skills in Russian and English are required.

Nice to have

• Experience with Telegram WebApp API.
• Knowledge of TailwindCSS, Framer Motion, React Query.
• Experience integrating frontend with microservice architectures.
• Experience configuring AI agents for projects.

Culture & Benefits

• Direct impact on a real, revenue-generating FinTech product.
• Modern frontend stack: React, Next.js, TypeScript, Redux Toolkit.
• Flexible schedule and distributed international team.
• Growth path toward frontend architecture and UI/UX engineering.
• Strong AI culture with tools like Claude Code and Cursor used to accelerate work.