Senior Frontend Developer (Fintech)

TL;DR

Senior Frontend Developer (Fintech): Building and optimizing high-performance trading platforms for a global user base with an accent on real-time data handling and complex UI architecture. Focus on delivering scalable, lightning-fast web experiences that empower traders to make split-second decisions in fast-moving financial markets.

Location: Kraków, Poland (Hybrid: 3 days in office required)

Salary: Starting from 18,000 PLN

Company

hirify.global is a publicly-traded FTSE250 FinTech company providing global platforms for trading stocks, leveraged products, and crypto to over 340,000 clients.

What you will do

• Develop complex UI features for award-winning trading platforms to ensure optimal performance.
• Architect scalable frontend solutions capable of handling real-time financial data streams.
• Collaborate with cross-functional teams including backend engineers, designers, and product managers.
• Drive technical excellence and adapt platform features for institutional business needs.
• Advocate for code quality and engineering best practices in a regulated environment.

Requirements

• 5+ years of JavaScript development experience with a track record in production UI applications.
• Strong expertise in TypeScript, React hooks, Redux/Context API, and web development best practices.
• Solid understanding of React performance optimization, memory management, and efficient API integration.
• Experience with real-time data handling, WebSocket connections, and high-frequency updates.
• Knowledge of CI/CD pipelines (Gitlab) and automated testing frameworks.
• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.

Nice to have

• Experience with Ember.js.
• Experience with React Native.
• Familiarity with financial services or trading platforms.

Culture & Benefits

• Private medical cover for you and your family.
• Performance-related bonus and employee share plans.
• Multikafeteria system including multisport options.
• Home office equipment reimbursement.
• Access to LinkedIn Learning and technical training programs.
• 3 additional days off for birthdays and volunteering.