[Job Radar](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Staff Full Stack Software Engineer - DeFi WealthTech Startup Active On-site New York City Metropolitan Area Posted · 02.10.2026 LinkedIn Jobs US # Staff Full Stack Software Engineer - DeFi WealthTech Startup Skyrocket Ventures Staff Full Stack Software Engineer • DeFi WealthTech Startup (Ideally 80% backend and 20% front end. Depending on your preference it could be anywhere from 50-100% backend) Location: New York, NY (you can work from home 3x/week) The company's product is at the intersection of decentralized finance (DeFi) and modern wealth tech. The company has 8 employees and 4 engineers. It has raised seed funding and is expecting a larger round of seed funding soon. In this position you would be one of the foundational members of the engineering team. You'll report directly to the Co-Founder/CTO and work on products that interact deeply with blockchain infrastructure, lending protocols, wallets, and cross-chain systems. As one of the company's earliest engineers, you'll have significant ownership over core product architecture and the opportunity to help shape the technical direction of the platform. Job Responsibilities: • Designing and building scalable backend services using TypeScript and Node.js. • Developing systems that integrate with blockchain networks and DeFi protocols. • Building and maintaining infrastructure for indexing blockchain data. • Implementing integrations with lending protocols, including ERC-4626 vaults. • Building features involving wallet creation, session keys, and account abstraction. • Developing cross-chain functionality across multiple blockchain ecosystems. • Collaborating on frontend features using React as needed. • Writing high-quality, maintainable code while leveraging AI-assisted development tools to maximize productivity. • Working closely with the Co-Founder/CTO on architecture and technical decisions. Tech Stack: • TypeScript • Node.js • Google Cloud Platform (GCP) • React • Solidity (limited usage, <10%) • Cloudflare • TanStack Qualifications: • 5+ years of professional software engineering experience. • Strong backend engineering experience. • Extensive hands-on experience building DeFi applications. • Understanding of on-chain transactions, decentralized trading, lending protocols, wallet architecture, account abstraction, session keys, and cross-chain systems. • Expert-level TypeScript skills (approximately 9/10 proficiency). • Node.js experience. • Experience using AI coding tools effectively to accelerate software development. • Ability to work independently with minimal supervision. • A Bachelor's degree in Computer Science, or equivalent experience. Nice to have: • Experience with Solidity. • Experience with React. • Experience working with blockchain indexing. • Experience building or integrating ERC-4626 vaults. • Experience across Ethereum, Solana, or multiple blockchain ecosystems. About Skyrocket Ventures Skyrocket Ventures is a recruiting firm for hundreds of high growth technology companies that range from industry leaders to top-tier startups. This opportunity is with one of our client companies for a full-time permanent hire. Please only apply if you are authorized to work in the U.S. Please note that even if this job is not a perfect match, we encourage you to apply as long as it is in the ballpark. Companies are often flexible in hiring candidates who do not perfectly fit their written job description, as long as the most important qualifications are there and the candidate is good in general. Most of the jobs we are recruiting for are not posted online, so if you would like to know of all the opportunities we have that match your interests and qualifications, then please get in touch with us. After you apply to this job posting, we’ll consider you for this job as well as any other potential matches with our client companies. If we have any potential matches, we’ll share your resume with those companies and contact you about any interview opportunities we can get you. Thank you, and we wish you a great job search! This job was verified from LinkedIn Jobs US. Applications are completed on the original source. [Apply on the original listing ↗](https://jobradar.live/ilan/871961c3-fdc1-406e-a08c-e0a24a2ad7f0/git) ## Stop searching one by one for roles like this. Upload your resume or enter your target roles to see your first 3 matches for free. [Find jobs for me →](https://jobradar.live/uye/kayit) Your resume is never shared with employers; it is processed only for matching. 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