Senior React Developer Blockchain
Rebirth Finance is an AI-powered fintech platform that lets individuals and businesses manage fiat, crypto, and other assets in one place. It offers AI trading bots, copy trading, cross-border payments, open banking integration, and business collection/marketing tools, powered by its native REPA token.
Maintainer signals as of 8/12/2026
About Rebirth Finance
Rebirth (also referred to as Rebirth Fintech / Rebirth Finance) is a fintech platform that combines financial and social features under one roof. For individuals it offers an AI-powered trading bot, copy trading, market analytics and utilities, cross-border money transfer and contactless payments, and AI-assisted integration of bank accounts and credit cards. For businesses it provides store creation, digital marketing, loyalty programs, and receivables collection solutions across fiat, crypto, and card payments. The ecosystem is underpinned by the REPA token, a BEP20 utility and service token on the Binance Smart Chain that grants tiered loyalty benefits (Oxygen, Ruthenium, Palladium, Tritium), fee discounts, deposit interest, and a share of quarterly dividends from Rebirth's profits. Rebirth targets retail crypto/fiat users seeking automated trading and payment tools, as well as small-to-medium businesses seeking marketing, loyalty, and collections infrastructure. The company is headquartered in San Francisco, CA.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will develop, test, deploy, maintain, and improve your code across its full life cycle. You will build user-facing web and mobile applications, ensure the technical feasibility of UI/UX designs, maintain a well-tested codebase, optimize security, scalability, and speed, work in autonomous teams, and share knowledge to improve development practices.
Requirements
- 5+ years of experience with JavaScript
- 2+ years of experience with React
- Experience with state management such as Redux and MobX
- Experience with Git
- Experience with Sass
- Experience with Jest
- Experience with React Testing Library
- Experience with Babel and Webpack
- Experience with React Native
- Experience with TypeScript
- Familiarity with Web3, Ethers, Hardhat, and OpenZeppelin tooling
- Understanding of blockchains, smart contracts, dApps, wallets, and standards
- Experience building systems for financial markets
Responsibilities
- Develop, test, deploy, maintain, and improve code
- Develop user-facing web and mobile applications
- Ensure the technical feasibility of UI/UX designs
- Maintain a well-tested codebase with continuous integration and coverage reporting
- Optimize applications for security, scalability, and speed
- Share knowledge and help evolve best practices
Benefits
- Competitive salary and bonuses
- Flexible and remote working options
- Annual bonuses
- Learning Hub
- Free assorted healthy snacks and fresh fruits in the office
- Weekly gourmet breakfast meet-ups
- Regular exciting team events and parties