Our client is an innovative FinTech company making algorithmic cryptocurrency trading accessible to everyone. Our mission is to build an automated trading platform that allows people worldwide to earn on the crypto market even without prior trading experience. The product operates trading bots 24/7, using proven algorithms developed by experienced traders, ensuring that algorithmic trading is both safe and easy. We are also the founders of one of the largest crypto EdTech companies in Ukraine, which has trained over 30,000 students and generates up to $1.5 billion in monthly trading volume. Now, we are transforming our accumulated knowledge and hands-on expertise into a next-generation technology product.
We are currently forming a strong team and are looking for a Senior Front-End Developer who wants to join an ambitious company that will redefine how the world views algorithmic trading and trading bots. Responsible for the development, performance, and stability of front-end interfaces for web and mobile applications (React + Ionic). Ensures smooth UX/UI for managing trading bots, monitoring, and real-time analytics.
Details:
Fully remote work — from anywhere in the world.
Flexible schedule (Mon–Fri, 10:00–19:00 Kyiv time).
Respect from leadership and the team — for you as a professional and as a person.
Clear, structured tasks and reasonable deadlines.
Friendly and open-minded atmosphere in the team.
Freedom to implement your ideas and realize your potential.
Key Responsibilities:
Develop and maintain interfaces — implement functionality for bot management, statistics, and trade history.
Work with REST APIs — integrate with backend services (NestJS).
Develop a mobile application with Ionic (iOS/Android) — create adaptive UI and optimize performance.
Implement real-time updates — data refresh (prices, order statuses) via WebSocket or polling.
Optimize performance — minimize re-renders, enable lazy loading, and apply caching.
Contribute to design and UX — help build intuitive, user-friendly interfaces for traders.
Work with charts and analytics — integrate libraries to visualize trading metrics.
Ensure testing and stability — unit/integration tests and cross-platform compatibility checks.
Conduct code reviews and mentor junior developers, ensuring coding standards.
Optimize build and deployment — collaborate with DevOps on CI/CD and versioning.
Technical Skills:
React / TypeScript / Next.js or Vite — deep understanding of component-based architecture.
Ionic / Capacitor — experience building cross-platform mobile applications.
REST API / WebSocket — integration of real-time data.
Performance Optimization — profiling, render optimization, and caching.
Testing (Jest, React Testing Library) — coverage of critical parts of the application.
CI/CD, Git, Docker (basic) — participation in deployment and release processes.
Highload UI Experience — handling large data sets and complex chart visualizations.
Experience:
6+ years in front-end development (React).
Proven experience building SPA/PWA or mobile applications.
Experience in FinTech or analytical systems is a strong advantage.
Team collaboration and code review experience.
Attention to detail and UX.
Responsibility for interface quality and stability.
Ability to work with analytical data.
Initiative and proactivity in improving UI/UX.