← all jobs

Blockchain Developer - Decentralized Finance

Work from home Full-time role Hiring

Our client, a pioneering firm at the forefront of blockchain innovation, is seeking a talented Blockchain Developer specializing in Decentralized Finance (DeFi) to join their ambitious team in New York City, New York, US . This is an exciting opportunity to shape the future of finance by designing, developing, and deploying robust, scalable, and secure decentralized applications (dApps). You will be instrumental in building cutting-edge financial protocols and smart contracts on leading blockchain platforms.

  • Responsibilities:
  • Design, develop, test, and deploy smart contracts and dApps using Solidity and other relevant smart contract languages (e.g., Vyper, Rust for Solana). Develop and maintain backend services and APIs that interact with blockchain networks. Collaborate with product managers, designers, and other engineers to define and implement new DeFi features and products. Research and stay abreast of the latest advancements in blockchain technology, DeFi trends, and security best practices. Optimize smart contracts for gas efficiency and performance. Implement robust testing strategies, including unit, integration, and end-to-end testing for smart contracts and dApps. Participate in code reviews, providing constructive feedback to peers. Contribute to architectural decisions and technology stack choices. Troubleshoot and debug complex issues across the entire technology stack. Engage with the broader blockchain and DeFi community, contributing to open-source projects where applicable.
  • Qualifications:
  • Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience. 2+ years of professional experience in blockchain development. Proven expertise in Solidity and smart contract development for Ethereum or other EVM-compatible chains. Strong understanding of DeFi protocols, mechanisms (e.g., AMMs, lending protocols, yield farming), and economic models. Experience with Web3.js, Ethers.js, or similar libraries for interacting with blockchain networks. Familiarity with blockchain architecture, consensus mechanisms, and security considerations. Experience with backend development (e.g., Node.js, Python, Go) and database technologies. Proficiency in testing frameworks like Hardhat, Truffle, or Foundry. Excellent problem-solving, analytical, and debugging skills. Strong communication and teamwork abilities. A passion for decentralized technologies and a proactive attitude towards learning.
  • This hybrid role allows for a blend of in-office collaboration and remote flexibility, offering a unique opportunity to work on groundbreaking projects in the heart of New York City's tech scene. Competitive salary, benefits, and the chance to be part of a rapidly evolving industry are provided.

More open positions

Remote Senior Blockchain Developers - Web3 and Smart contract - Playmate

Work from home Full-time role

Senior Blockchain Developer Chainlink CCIP Ton Integration

Work from home Full-time role

Remote Senior Blockchain Developers - Web3 and Smart contract - Playmate

Work from home Full-time role

Hiring: Blockchain Developer (DeFi and Cryptography) | C2C | Remote

Work from home Full-time role

Remote AI Research Scientist - Deep Learning Architectures

Work from home Full-time role

[Remote] Staff AI Engineer

Work from home Full-time role

Remote Customer Service Representative – Federal Student Aid Loan Servicing – Jacksonville, FL Proximity – careerzynith

Work from home Full-time role

IFM Sourcing Lead

Work from home Full-time role

Customer Service Representative-Remote; Healthcare at Concentrix Phoenix, AZ

Work from home Full-time role

[8NW] Senior SecOps Incident Response Automation Engineer

Work from home Full-time role

Data Engineer II

Work from home Full-time role

[Remote] NetSuite Implementation Consultant – Advanced Projects / SuiteProjects / SuiteSuccess

Work from home Full-time role

Experienced Part-Time Remote Customer Service Representative – Delivering Exceptional Experiences for careerzynith Clients

Work from home Full-time role

Principal Manufacturing & Semantic Architect

Work from home Full-time role

[Remote] Cloud Infrastructure Engineer - 100% Remote

Work from home Full-time role

Senior Director, - Global Procurement Business Partnering & Category Management, Commercial

Work from home Full-time role

Executive Administrative Assistant/Admin Support V - Remote/Washington D.C

Work from home Full-time role

Enteral Technician- Infusion Pharmacy / Remote

Work from home Full-time role

Strategy Development 4

Work from home Full-time role

Remote Data Entry Specialist – Work From Home Opportunity for Entry-Level Candidates at careerzynith

Work from home Full-time role

Remote Sales Representative - New Port Richey

Work from home Full-time role