Senior Frontend Engineer (Fintech, React Native)

TL;DR

Senior Frontend Engineer (Fintech): Developing and maintaining a gamified mobile platform for a large-scale fintech ecosystem with an accent on React Native development and end-to-end feature ownership. Focus on building high-performance communication and reward tools, integrating complex APIs, and ensuring seamless user experiences across mobile app stores.

Location: Warsaw, Poland

Company

hirify.global is a fintech company founded in 2016 that provides innovative payment solutions and credit card services to over 25,000 service locations.

What you will do

• Develop and maintain the customer-facing native mobile application.
• Take ownership of the end-to-end development of new features from concept to deployment.
• Collaborate with backend engineers to integrate APIs and deliver high-performance experiences.
• Write clean, efficient, and maintainable code following industry best practices.
• Contribute to a collaborative team environment and mentor other engineers.

Requirements

• 5+ years of frontend or mobile development experience.
• Strong production experience with React and React Native.
• Deep knowledge of JavaScript, TypeScript, and CSS.
• Experience publishing and maintaining applications in Google Play and the App Store.
• Fluent in English for daily collaboration with the international team.
• B.Sc. in Computer Science or equivalent degree.

Nice to have

• Familiarity with backend development using Java or Kotlin.
• Experience with end-to-end testing frameworks like Playwright.
• Knowledge of WebSockets.
• Prior experience in the fintech industry, particularly with payment processing.
• Experience with AI development tools such as Cursor and Claude Code.

Culture & Benefits

• Opportunity to work on a high-impact, large-scale fintech product.
• Collaborative environment with a focus on professional growth and knowledge sharing.
• Direct involvement in shaping unique user experiences for a massive user base.