Blockchain/Solidity Developer

KX - Blockchain/Solidity Developer [Exp 4-10 Yrs]

• About: We’re looking for a passionate, self-motivated, team player Blockchain/Solidity Developer to

help us build the next generation of financial products ecosystem. You will gain an ownership over
end-to-end ecosystem products as well as the ability to influence the creation, design, and execution
of future products. You will be responsible for ensuring a consistent, high-quality products that deliver
great user experience across the ecosystem with robustness and security.

• Preferred Skill: Ethereum, fullstack (React, Node.js, ideally Typescript), Smart Contract
• Responsibilities:
• Work closely with internal and external parties to rapidly iterate, experiment, and launch

products.

• Create a unified component library for use across all products.
• Rapidly implement functional UI elements from design mocks, with an eye toward

performance and accessibility.

• Know when to create abstractions vs. one-off features.
• Ensure that components are functional, elegant, performant, and mobile-friendly.
• Understand when and how to run UI tests.
• Qualifications:
• 3+ years of experience as a Software Engineer
• 1y+ years of Solidity smart contract development experience
• 2+ years of as front-end or fullstack or backend developer (React, Node.js, ideally Typescript)
• Experience developing, deploying and running Dapps/smart contracts in production on

Ethereum mainnet or L2/sidechain (ideally DeFi Dapps/protocols and/or token-based use
cases)

• Knowledge of secure Solidity development patterns for tokens and DeFi protocols
• Good understanding of Javascript ethereum SDKs (web3,js, ethers.js)
• Good knowledge of most prominent ERC/EIP Ethereum standards
• Good knowledge of smart contract development tools/frameworks (Truffle, Hardhat)
• High quality and testing standards
• Good documentation practices
• Experience developing and contributing to open source projects
• Familiarity with DeFi protocols mechanics and smart contract codebases, and/or digital

assets/payments and other token standards like ERC-777/20/721/1155/1400 and existing
open source implementations (OpenZeppelin, Universal Token, etc.)

• Knowledge/understanding of cross-chain interoperability techniques (HTLC, bridging)
• Knowledge/understanding of L2 technologies (ZK/optimistic rollups, PoS/PoA sidechains)
• Experience using smart contract auditing techniques (fuzzing, other)
• Deep knowledge/experience understanding of EVM
• BSc/MSc in Computer Science or related subject
• Excellent verbal and written communication in English
• Teamwork, flexibility, initiative, communication and organization
• Ability to share knowledge, train other developers
• Willingness to constantly learn & improve, challenging yourself to stay at the top of your

game