Swoon ยท 1 day ago
Senior Blockchain Developer
United States
Contract
Remote
Senior Level
$75/hr - $85/hr
5+ years expSwoon is seeking an experienced and innovative Senior Blockchain Engineer to drive the development of a next-generation decentralized ecosystem that integrates identity, payments, and real-world utility. This role focuses on creating secure, scalable, and human-centric Web3 infrastructure.
ConsultingHuman ResourcesInformation TechnologyLegalStaffing Agency
No H1B
Responsibilities
Design, build, and maintain Layer 1 blockchain protocols, smart contracts, and distributed systems that power our core digital ecosystem
Develop tokenized payment systems and identity verification flows, ensuring maximum security, usability, and data privacy
Implement and audit smart contracts for token utility, governance, and transactional logic across various business sectors
Integrate advanced identity verification methods and payment processing into decentralized applications
Ensure the security, scalability, and efficiency of all blockchain systems through rigorous testing, code audits, and adherence to industry best practices
Partner closely with Product, Engineering, and QA teams to align blockchain development with the overall company roadmap and evolving user needs
Mentor junior engineers, contribute to engineering best practices, and help establish high standards for decentralized development
Stay ahead of emerging trends in Web3, DeFi, Real-World Asset (RWA) tokenization, and decentralized identity to guide future innovation and strategy
Qualification
Required
Education: Bachelor's or Master's degree in Computer Science, Cryptography, or a related technical field
Experience: 5+ years of hands-on blockchain development experience across protocols, dApps, Layer 1/Layer 2, or DeFi/Web3 projects
Proficiency: Expert-level proficiency in Java and Solidity
Deep Technical Knowledge: Strong understanding of smart contract security, advanced cryptography, and distributed system design
Platform Experience: Experience working with Ethereum, Solana, or other major blockchain platforms
Track Record: Proven ability to deliver high-quality, production-grade blockchain systems
Work Authorization: Must be legally authorized to work in the United States. (We do not sponsor work visas at this time.)
Company
Swoon
In 2010, Swoon launched an agile, client-focused team that is not only savvy in our core industries but elbow-deep, every day, getting to know the strongest talent in the technology and professional fields.
501-1000 employees
Funding
Current Stage
Late StageLeadership Team
Andy Baker
Co-Founder and Leadership Advisor
Alyssa Holtz
Client Partner
Company data provided by crunchbase