Back to 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. Apply tot his job Apply To this Job

More remote roles to explore

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

Lead Computational Biologist, Bioinformatics

Work from home Full-time role

Epidemiologist

Work from home Full-time role

Epidemiologist

Work from home Full-time role

Client Liaison Veterinary Hospital Boston- Hybrid Remote - Second Shift

Work from home Full-time role

Telehealth Veterinary Technician - Part Time

Work from home Full-time role

Pet Health Content Consultant — Vet Tech / Animal Health Professional (Part-Time, Remote) - Contract to Hire

Work from home Full-time role

Licensed Vet Tech

Work from home Full-time role

Registered Veterinary Technician – Ophthalmology

Work from home Full-time role

Regulatory Affairs Consultant - CMC vax/bio (home or office based)

Work from home Full-time role

Experienced Content Creator – Digital Storytelling for arenaflex at Home (United States)

Work from home Full-time role

Business Operations Associate

Work from home Full-time role

Research Analyst - Medical Management, Remote

Work from home Full-time role

Remote Data Entry Specialist – Home‑Based Accurate Data Management for arenaflex E‑Commerce Platform

Work from home Full-time role

Experienced Data Entry Specialist – Remote E-Fulfillment and E-Filing Operations

Work from home Full-time role

Customer Service Specialist - Work from Home Opportunity at arenaflex

Work from home Full-time role

Experienced Crisis Chat Text Counselor - 988 Crisis Intervention Services

Work from home Full-time role

Licensed Mental Health Counselor Associate (LMHC-A)

Work from home Full-time role

Sales Representative Radiotherapy / Nordics & Baltics

Work from home Full-time role