Blockchain Jobs

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Job Position Company Posted Location Salary Tags

Harris Allied

New York, NY, United States

$150k - $180k

Referment

New York, NY, United States

$175k - $250k

AIsa: Unified resource & payment layer for AI agents

New York, NY, United States

$84k - $150k

Ondo Finance

United States

$105k - $150k

Crossmint

Miami, FL, United States

$75k - $85k

Crossmint

Miami, FL, United States

$120k - $170k

Tether Operations Limited

Yerevan, Armenia

$88k - $101k

MoonPay

Remote

$86k - $90k

MoonPay

Remote

$91k - $93k

Limit Break

Tokyo, Japan

$112k - $130k

Sec3

United States

$76k - $124k

Binance

Asia

Binance

Hong Kong, Hong Kong

MoonPay

Remote

$120k - $150k

Bcbgroup

Remote

$122k - $141k

Harris Allied
$150k - $180k
New York City Metropolitan Area US

Financial Technology industry leader has an immediate need for a Blockchain/Smart Contract Developer to join their world class technology team in a full time role based in midtown Manhattan. The individual in this exciting role is responsible for the development of blockchain-based applications and decentralized applications (dApps), from smart contract design to intuitive and high-performing blockchain integration. In this hybrid role you will work on the end-to-end delivery of secure, scalable, and engaging products. Expertise with blockchain technology (e.g., smart contracts, web3 integration), cloud platforms, tools and frameworks, and Solidity, Python and TypeScript or Java is required.


About the Role

  • 3+ years of experience in blockchain / smart contract software engineering
  • Designing, writing and building secure smart contracts for Ethereum based applications/token standards like ERC20, ERC721, and ERC1400 using Solidity along with third party interfaces and design patterns like Upgradeable Proxy Pattern
  • Evaluating and integrating with multiple blockchain protocols, including both EVM and non-EVM ecosystems (Avalanche, Solana, Hyperledger)
  • Hands-on experience with tools/frameworks like OpenZeppelin, Hardhat, Foundry, ethers.js; including writing comprehensive and automated tests (unit, integration and fuzz)
  • Integrating / bridging between blockchain/distributed ledgers and external components
  • Proficiency in two or more of the following languages: Java, Typescript, Python


Skills/Qualifications


  • Designing, implementing, and supporting distributed blockchain-based enterprise solutions for regulated domains (financial/banking/asset management) with Solidity.
  • Familiarity with Web3 ecosystems, DeFi, cross-chain interoperability, wallet integrations, layer 2 & scaling solutions
  • Familiarity with AI coding tools is a plus
  • Working knowledge of cloud platforms (Google Cloud, AWS) is a plus
  • Experience in software engineering with large and diverse codebase
  • Excellent writing and communication skills

What does a blockchain developer do?

A blockchain developer is a software developer who specializes in the development of applications that make use of blockchain technology

Some of the responsibilities of a blockchain developer may include:

  • Designing and implementing smart contracts.
  • Creating and maintaining the infrastructure that supports the blockchain network, and developing user-facing applications that make use of the blockchain.
  • Additionally, a blockchain developer may also be responsible for researching and staying up-to-date with the latest developments in blockchain technology, in order to ensure that their applications are secure and efficient.