← 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

Field Application Scientist, Olink Proteomics (Remote - SF Bay Area, CA)

Work from home Full-time role

[Hiring] Research Scientist @The Trevor Project

Work from home Full-time role

Research Scientist 2

Work from home Full-time role

Research Scientist - LLM

Work from home Full-time role

Senior Research Scientist, Post-Training LLM and DLM

Work from home Full-time role

Senior Director, Remote Workforce Management

Work from home Full-time role

Clinical Consultation Triage Team – Part Time

Work from home Full-time role

Coca-Cola National Customer Operations Manager USA

Work from home Full-time role

SAP Senior/Lead Consultant Timemanagement (all genders)

Work from home Full-time role

[Remote] Independent Financial Advisor

Work from home Full-time role

Ecommerce Specialist | Upto $55/hr

Work from home Full-time role

Senior Network Engineer

Work from home Full-time role

Dietitian Working with Adults with IDD

Work from home Full-time role

Remote Customer Experience Specialist – Virtual Airline Support (Part-Time)

Work from home Full-time role

Pharmacy Quality Assurance & Training Advisor - CarepathRX - Remote

Work from home Full-time role

Developer Intern, Front-End Platform - Fall 2026

Work from home Full-time role

Online Freelance Writer

Work from home Full-time role

Remote Military Spouses Remote Opportunity

Work from home Full-time role

Junior AI Solutions Developer

Work from home Full-time role

Inside Sales Associate - Work from Home

Work from home Full-time role

Experienced Travel Agent & Customer Service Representative – Crafting Unforgettable Travel Experiences for Discerning Clients at careerzynith

Work from home Full-time role