Position: Senior Frontend/Blockchain (React.js) Developer
Company: Qubit Labs
Category: JavaScript
Experience required: 5y
English level: intermediate
Published: 2021-09-01T00:00:00+03:00

Requirements & skills
● 5+ years of programming experience.
● Experience working in DeFi frontend development .
● Understand the flow of the web3 application.
● Understand how to interact with solidity contracts- Call functions, get properties, check
status of the submitted transaction using Ethers.js (web3).
● Advanced knowledge of frontend state management using React Redux (and redux
toolkit) or any other state management tool for React framework.
● Basic knowledge of React context and hooks Typescript.
● Written and spoken communication skills in English for a professional environment.
● This role does not require any knowledge of the visual part of the fronted (e.g. CSS,
HTML, etc.) .

Nice to have:
● Experience with Solidity


Responsibilities:
● Integrate interaction with blockchain into React frontend app to support functionality of
several smart contracts. This includes, submitting transactions, updating user's balances
and other values, updating the state of submitted transactions in the state management
tool and more.
● Build reusable cross-chain libraries Integrate your own UI/UX improvements to
incentivize the users to use the platform.
● Work with the state of the art developer stack Feeling strong about your code.
● Understand the flow of the assets from the smart contracts’ perspective.
Benefits
● 100% remote & flexible hours
● Growing challenging environment
● Learning possibilities (conferences, meet-ups, courses, etc.)
● Additional equipment
● Paid time off