UI Frontend Developer (Fintech)

TL;DR

UI Frontend Developer (React): Developing responsive high-performance web applications for real-time fixed income trading platforms with an accent on complex UI components, real-time data streaming, and low-latency rendering. Focus on implementing order blotters, price grids, trade tickets, integrating REST APIs and WebSockets, building reusable component libraries.

Location: Athens, Greece (onsite at hirify.global Technology & Support Centre)

Company

Leading European capital market infrastructure operating stock exchanges across multiple countries, including MTS fixed income trading platform and recent acquisition of Athens Stock Exchange.

What you will do

• Develop responsive applications using React.js for real-time fixed income trading workflows.
• Implement complex UI components like order blotters, price grids, trade tickets, and market-data visualizations with low-latency rendering.
• Integrate with backend services via REST/JSON APIs and WebSockets for real-time data, handling authentication and errors.
• Build and maintain reusable component libraries and design systems for consistency and scalability.
• Collaborate with analysts, designers, backend, QA, and DevOps on code, testing, CI/CD, and documentation.
• Support incident analysis and production issues for the GUI.

Requirements

• Several years professional experience developing complex web applications, ideally in financial markets or real-time data-intensive domains.
• Strong JavaScript/TypeScript, React.js (state management like Redux/Zustand/MobX, routing, components).
• HTML5, CSS3, responsive design, cross-browser compatibility.
• Real-time data (WebSockets), REST APIs, performance optimization (lazy loading, virtualization).
• Automated testing (Playwright), Git, CI/CD, agile (Scrum/Kanban).
• Good English communication skills for remote collaboration.

Nice to have

• Component libraries/design systems experience.
• UX/UI principles, accessibility.
• AI-assisted development tools.
• Basic backend (Java, Node.js).

Culture & Benefits

• Dynamic international environment focused on innovation, quality, and collaboration.
• Permanent employee position in new Tech & Support Centre in Athens.
• Work with pan-European team supporting business lines, IT, and operations.