Koyfin is a rapidly growing fin-tech startup backed by some of the largest investors in Silicon Valley. We are building financial data and analytics platform to research stocks and other asset classes through dashboards and charting, understand market trends.
11 июня 2021

Senior React.js Developer


Необходимые навыки

• Must have 4+ years of experience in web-based user-interface design;
• Deep understanding of React.js environment with 2+ years experience in commercial development;
• Deep knowledge and working experience with Redux, RxJS, Typescript, Websockets;
• Flexibility, and willingness to ask questions, learn and try new approaches;
• Positive and able to adapt quickly to change;
• English — Upper-Intermediate.

Будет плюсом

• Experience with interactive graphics (using SVG or Canvas), D3.js as a big plus;
• Experience with data visualization and data analysis;


• We strive to create an open environment where problems are solved by honest and rigorous discussion;
• A small team at a fast-growing fintech startup where each person has a big impact;
• Flexible work schedule;
• Modern coworking space in the center of Kyiv;
• Generous salary and bonus potential;
• Health Insurance;
• Team Events;
• Extra days of vacations.


• Creating high-scale, highly-performant interactive visualizations (graphs, maps, charts);
• Transform large and complex datasets to beautiful visualizations;
• Optimize application for maximum speed and scalability;
• Collaborate with other team members and stakeholders;
• Build reusable code and libraries for future use.

О проекте

Koyfin is a rapidly growing, VC-backed fintech startup looking for a Senior React.js Developer to join a small team to help scale our product from thousands of users to millions of users. You will work with product and design to create high-scale, highly-performant interactive visualizations (graphs, maps, charts).

Our mission is to empower investors with easy to use analytics and beautiful charting to research stocks and understand what’s happening in financial markets. Koyfin’s data and analytics cover stocks, ETFs, fixed income, foreign exchange (FX), commodities, economics, news, and Twitter. Superior functionality combined with a delightful user experience explains why, after launching just last year, we have over 50,000 users, and our daily users spend 1-2 hours per day on our platform. See what users are saying about us on Twitter @KoyfinCharts (bit.ly/3yLp7MO) and check out our company overview (bit.ly/3hXn9CM).

☑️Check it out to learn more on Koyfin Youtube channel: bit.ly/3om8JLY