Middle Frontend Developer (React/TypeScript)

About the Opportunity

Our client is looking for a Middle Frontend Developer (React/TypeScript) to help build and enhance a suite of modern trading products and web applications. The successful candidate will contribute to creating responsive, high-performance user interfaces across trading platforms, corporate websites, and account management systems. This is an opportunity to work with a modern frontend technology stack and tackle interesting engineering challenges involving real-time data, scalability, and user experience.

Key Responsibilities

Frontend Development & Performance

• Develop fast, responsive, and reliable web applications using React and TypeScript
• Build and maintain core product features, including trading interfaces, user dashboards, and account management functionality
• Ensure smooth handling of real-time data streams while maintaining performance and responsiveness for a large active user base
• Optimize frontend applications for speed, stability, and scalability

System Integration

• Collaborate closely with backend engineers to integrate APIs and connect frontend applications with external services
• Work on integrations involving trading platforms, payment providers, and analytics solutions such as PostHog
• Implement and maintain real-time communication through WebSockets and Server-Sent Events (SSE)

Code Quality & Collaboration

• Write clean, maintainable, and well-tested code
• Participate in code reviews and contribute to frontend development standards
• Work closely with cross-functional teams to deliver new features and continuously improve existing products

Technology Stack

• Frontend: React, TypeScript, Zustand, Vite
• Real-Time Communication: WebSockets, Server-Sent Events (SSE)
• Analytics & Monitoring: PostHog, Grafana, and other monitoring tools
• Development & Infrastructure: GitLab CI/CD, Docker

Requirements

Candidate Profile

Required Experience

• At least 3 years of professional experience developing and maintaining production-grade web applications
• Strong proficiency in React and TypeScript
• Practical experience building applications that rely on real-time data and communication protocols such as WebSockets
• Experience optimizing frontend performance, responsiveness, and application stability
• Familiarity with modern frontend tooling, including Vite and state management libraries such as Zustand
• Understanding of product analytics and event tracking, ideally with tools such as PostHog
• Ability to write maintainable code and collaborate effectively within an engineering team

Nice to Have

• Previous experience or knowledge of trading platforms, financial markets, or fintech products
• Experience handling high-frequency data streams and real-time data visualization
• Background in developing responsive interfaces for gaming or trading applications

The Opportunity

This position offers the chance to work on modern, data-intensive applications where frontend performance and user experience are critical. The successful candidate will have the opportunity to contribute to products used by a large international audience while developing expertise in real-time systems and modern frontend technologies.

Benefits

• Additional medical insurance (Luxury package)

• Multisport card
• Amazing office space next to Paradise mall
• 25 days paid vacation

• Bonus

​At Nexa Talent, we process candidates’ personal data (name, contact details, CV) solely for the purposes of recruitment and presenting candidates to potential employers – our clients.

All data is stored securely and retained for up to 12 months or until consent is withdrawn.

Candidates have the right to request access, correction, deletion, or restriction of processing by contacting us.