Senior Blockchain Engineer, DeFi Full Time

Stand out and lead the way. ​​Define an industry. Forge the path to truly blockchain-based, deflationary, and limitless finance.

Nexo is the world’s leading regulated digital assets institution. Our mission is to maximize the value and utility of cryptocurrencies by signature products created in Bulgaria. For four years now, we have processed $130+ billion for over 5,000,000+ users around the globe. And this is only the beginning.

We are lean, and our approach is a dream come true — no legacy, no monolithic structures. This is how we unlock a real creative powerhouse in development.

Gross remuneration per month: 11,500 – 16,500 BGN

You Are the Disruptor:

• Create disruptive Web3 applications
• Closely collaborate with other dev and product teams
• Develop backend that will become the foundation for the intersection between Web3 and FinTech
• Become a subject matter expert in payments and Web3
• Understand the flow of the assets from the smart contracts’ perspectivе
• Build reusable cross-chain libraries
• Maintain and extend current client- and server-side applications responsible for integration and business

What Makes You Stand Out:

• 4+ years of experience in Software Engineering
• 2+ years of experience as Blockchain Developer
• Experience with our stack: NodeJs, MongoDB, MySQL, AWS, Kafka
• Familiar with Web3 Stack: Web3, Ethers, Hardhat, OpenZepellin Tooling, Smart Contract Debugging
• Strong understanding of blockchains, smart contracts & dApps, different types of wallets and standards
• Mastery of applied encryption principles (asymmetric vs. symmetric encryption, digital signatures, hashing, message authentication, generating and safely transferring key pairs)
• Experience leading third-party integrations
• Self-starter, comfortable in a fast-paced startup environment

Desired (but not essential):

• Familiar with crypto-economic protocol design including governance and incentive structures
• Prior experience in building systems for financial markets

Perks We Offer:

• Attractive remuneration package
• Annual bonuses
• Learning Hub
• Hybrid way of work and work from home
• Inspiring atmosphere and innovative projects
• Future career development in a global company leading the innovative blockchain space
• Tailor-made personal benefits package — you want it, you get it
• Wellness program including additional health insurance, Multisport card, sports activities, standing desks & protective glasses and many more
• Free assorted healthy snacks and fresh fruits in the office
• Weekly gourmet breakfast meet-ups
• Free parking with a designated space, free electric bikes & public transport
• Epic regular team buildings and parties

And so many more…