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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.
20 февраля 2021

React Native Developer


Необходимые навыки

• 3+ years of experience in mobile software development
• 2+ years of experience with React Native
• Proficient knowledge of JavaScript/Typescript
• Experience with Redux, RxJS
• Experience in writing Unit Tests
• Familiarity with native build tools like Xcode and Android Studio
• Knowledge of Apple/Google interface guidelines and design principles
• Android/iOS native development experience is a plus
• Knowledge of Git and related platforms (GitHub, GitLab, etc.)
• Understanding of CI/CD
• Passionate about learning new technologies and how to apply them
• English — Upper-Intermediate


• 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


• Develop a mobile version of Koyfin
• Build a smooth UI for mobile App
• Introduce ideas, solutions and optimize existing applications
• Monitoring and implementing best practices
• Collaboration with all stakeholders (product owner, designer, team members) to develop mobile applications

О проекте

Koyfin is a rapidly growing, VC-backed, NYC-based fintech startup looking to hire a React Native Engineer to build and scale our product from thousands to millions of users.
Our mission is to empower investors with easy-to-use analytics and beautiful charts to research stocks and understand market trends. Koyfin’s vast, real-time data coverage includes data on stocks, Exchange Traded Funds (ETFs), fixed income securities, Foreign Exchange (FX) currencies, commodities, economics, financial news, and Twitter. Superior functionality combined with a delightful user experience explains why the number of users on Koyfin has tripled over the past year and our daily users spend more than two hours per day on our browser-based platform. We’re not the only ones who think we’re on to something big. Koyfin is backed by Social Leverage and Craft Ventures, two of the savviest, value-adding seed-stage VC firms.

See what users are saying about us on Twitter @KoyfinCharts ( and check out our company overview (

As a Software Engineer, you will live the Koyfin values:
• GET THINGS DONE: At Koyfin, Engineers move ideas forward and they understand the big picture. Believe in progress over perfection. Engineers own production services end-to-end, so you will be deploying multiple times a week as part of an Agile process
• BELIEVE IN TEAMWORK: Own, operate, and maintain your team’s services in a production environment and empower others to learn and succeed. Accomplish together as a team, It’s not a zero-sum game
• CUSTOMER FOCUSED/OPEN-MINDED: We welcome feedback from customers & colleagues. Stay humble and listen then act on it. Build trust with honesty and don’t hold back bad news
• PASSIONATE: Be proud of what you built and work tirelessly to make it the best platform to empower our customers. Enable feature velocity while maintaining quality by writing unit, functional, load and performance tests


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