Job VC
Web3 Developer
Technologies
Description
At
Whitechain
, we’re on a mission to revolutionize blockchain, smart contracts, and cryptography. As part of the
WhiteBIT ecosystem
, we’re building cutting-edge Web3 solutions, from our own EVM blockchain to non-custodial wallets, DeFi platforms, and GameFi experiences.
We’re looking for a skilled and motivated
Blockchain / Web3 Developer
to help us design, build, and improve scalable blockchain products and infrastructure. If you’re passionate about decentralization, smart contracts, EVM ecosystems, and the future of digital finance, this is your opportunity to make a real impact.
The future of Web3 starts with you — join us as a Blockchain / Web3 Developer!
Requirements
3+ years of software development experience
1–2+ years of experience in blockchain, Web3, crypto, or DeFi projects
Strong experience with
Solidity
and smart contract development in the
EVM ecosystem
Good understanding of Ethereum / EVM architecture, gas optimization, token standards, and smart contract security
Experience with Web3 tools such as
Hardhat, Foundry, Remix, MetaMask, Ethers.js, Web3.js, Viem
Experience deploying and maintaining smart contracts on testnet and mainnet
Knowledge of DeFi: AMMs, staking, lending, bridges, oracles, stablecoins, and liquidity pools
Backend integration experience: APIs, indexers, event listeners, wallets, or transaction services
Understanding of common blockchain security risks
Experience with
JavaScript, TypeScript, Python, Node.js
, or similar backend technologies
Familiarity with Git, CI/CD, testing frameworks, code reviews, and documentation
English level B2+
Responsibilities
Design, develop, test, and deploy smart contracts for Whitechain and Web3 products
Build blockchain features for DeFi platforms, wallets, GameFi, and ecosystem tools
Write secure and gas-efficient Solidity code
Create unit tests, integration tests, and deployment scripts
Integrate smart contracts with backend services, frontend apps, wallets, APIs, and blockchain infrastructure
Review existing smart contract code and suggest improvements
Support audits, security reviews, and vulnerability remediation
Monitor deployed contracts and help resolve production issues
Research new blockchain protocols, DeFi mechanics, and EVM improvements
Contribute to technical documentation and best practices
Nice to Have
Experience with L1 / L2, rollups, bridges, validators, nodes, or RPC infrastructure
Experience with audit tools such as Slither, Mythril, Echidna, Tenderly, or OpenZeppelin Defender
Knowledge of The Graph, SubQuery, custom indexers, or blockchain analytics pipelines
Experience with account abstraction, cross-chain protocols, or oracle integrations
Open-source Web3 contributions or a public GitHub portfolio
Understanding of tokenomics, staking, governance, or protocol economics
Experience in fintech, crypto exchange, DeFi, wallet, or Web3 infrastructure companies
If you are passionate about Solidity, EVM, DeFi, and building reliable Web3 products, we would be happy to hear from you.
Whitechain
, we’re on a mission to revolutionize blockchain, smart contracts, and cryptography. As part of the
WhiteBIT ecosystem
, we’re building cutting-edge Web3 solutions, from our own EVM blockchain to non-custodial wallets, DeFi platforms, and GameFi experiences.
We’re looking for a skilled and motivated
Blockchain / Web3 Developer
to help us design, build, and improve scalable blockchain products and infrastructure. If you’re passionate about decentralization, smart contracts, EVM ecosystems, and the future of digital finance, this is your opportunity to make a real impact.
The future of Web3 starts with you — join us as a Blockchain / Web3 Developer!
Requirements
3+ years of software development experience
1–2+ years of experience in blockchain, Web3, crypto, or DeFi projects
Strong experience with
Solidity
and smart contract development in the
EVM ecosystem
Good understanding of Ethereum / EVM architecture, gas optimization, token standards, and smart contract security
Experience with Web3 tools such as
Hardhat, Foundry, Remix, MetaMask, Ethers.js, Web3.js, Viem
Experience deploying and maintaining smart contracts on testnet and mainnet
Knowledge of DeFi: AMMs, staking, lending, bridges, oracles, stablecoins, and liquidity pools
Backend integration experience: APIs, indexers, event listeners, wallets, or transaction services
Understanding of common blockchain security risks
Experience with
JavaScript, TypeScript, Python, Node.js
, or similar backend technologies
Familiarity with Git, CI/CD, testing frameworks, code reviews, and documentation
English level B2+
Responsibilities
Design, develop, test, and deploy smart contracts for Whitechain and Web3 products
Build blockchain features for DeFi platforms, wallets, GameFi, and ecosystem tools
Write secure and gas-efficient Solidity code
Create unit tests, integration tests, and deployment scripts
Integrate smart contracts with backend services, frontend apps, wallets, APIs, and blockchain infrastructure
Review existing smart contract code and suggest improvements
Support audits, security reviews, and vulnerability remediation
Monitor deployed contracts and help resolve production issues
Research new blockchain protocols, DeFi mechanics, and EVM improvements
Contribute to technical documentation and best practices
Nice to Have
Experience with L1 / L2, rollups, bridges, validators, nodes, or RPC infrastructure
Experience with audit tools such as Slither, Mythril, Echidna, Tenderly, or OpenZeppelin Defender
Knowledge of The Graph, SubQuery, custom indexers, or blockchain analytics pipelines
Experience with account abstraction, cross-chain protocols, or oracle integrations
Open-source Web3 contributions or a public GitHub portfolio
Understanding of tokenomics, staking, governance, or protocol economics
Experience in fintech, crypto exchange, DeFi, wallet, or Web3 infrastructure companies
If you are passionate about Solidity, EVM, DeFi, and building reliable Web3 products, we would be happy to hear from you.