Michael – Next.js, Nest.js, Node.js, experts in Lemon.io

Michael

From Germany (UTC+2)flag

Blockchain Engineer|Senior

Michael – Next.js, Nest.js, Node.js

Michael is a Senior Blockchain Engineer with six years of experience building production-grade blockchain solutions for regulated financial institutions. He has strong expertise in Solidity, including ERC-4626, ERC-721, and ERC-1155 standards, complemented by solid full-stack experience with NestJS, Next.js, and Node.js. His work spans stablecoin issuance, tokenized funds, digital bond issuance, and cross-chain bridging across Ethereum and Polygon. Michael combines strong technical execution with excellent client communication, taking ownership of projects from architecture through delivery while making pragmatic decisions based on real-world business and regulatory requirements.

6 years of commercial experience in
Blockchain
Fintech
B2B
Enterprise software
Main technologies
Next.js
5 years
Nest.js
5 years
Node.js
5 years
Solidity
5 years
Smart contracts
5 years
Additional skills
React
Amazon SQS
Ethereum
DeFi
NFT
Docker
Typescript
MongoDB
JavaScript
SQL
Ethers.js
web3.js
AI-assisted coding
GitHub Copilot
Blockchain
ERC20
Direct hire
Possible
Ready to get matched with vetted developers fast?
Let’s get started today!

Experience Highlights

Smart Contract Engineer
Dec 2025 - Apr 20263 months
Project Overview

A tokenized vault platform that provided participants with on-chain exposure to an institutional treasury fund. The product supported the minting and redemption of vault shares and periodically calculated and distributed yield to eligible vault participants.

Responsibilities:
  • Architected and implemented custom tokenized vault smart contracts backed by an institutional treasury fund.
  • Developed frontend and backend workflows for minting, distributing, and redeeming vault shares.
  • Built and maintained scheduled jobs that calculated yield for vault participants.
  • Implemented the automated distribution of yield to eligible vault holders.
  • Contributed across the smart-contract, frontend, and backend components of the platform.
Project Tech stack:
Solidity
Smart contracts
Next.js
Nest.js
Node.js
React
Full Stack Blockchain Consultant
Oct 2025 - Jan 20263 months
Project Overview

A cross-chain decentralized application that allowed institutional users to bridge and swap digital assets across blockchain networks. The product combined cross-chain smart contracts with a web application and backend services to support secure asset-transfer workflows.

Responsibilities:
  • Developed cross-chain smart contracts supporting token bridging and token swapping.
  • Designed and built the production-ready Next.js DApp, integrating it with the cross-chain smart contracts and on-chain bridging and swapping workflows.
  • Contributed to the architecture and implementation of the NestJS backend.
  • Supported the delivery of smart contracts that underwent an external OpenZeppelin security audit.
  • Collaborated across smart-contract, frontend, backend, and security-review workstreams.
Project Tech stack:
Solidity
Smart contracts
Ethereum
ERC20
HardHat
Node.js
Typescript
Full Stack Blockchain Consultant
May 2025 - Aug 20253 months
Project Overview

A blockchain platform for a global fund-management business that enabled investment funds to be represented as digital assets. The product supported the creation of tokenized funds, issuance of ownership tokens, secondary trading, and dividend distribution to token holders.

Responsibilities:
  • Architected and deployed smart contracts for a global fund-management platform.
  • Designed a factory-based smart-contract architecture for creating and tokenizing investment funds.
  • Implemented the issuance of digital ownership tokens representing participation in tokenized funds.
  • Developed smart-contract functionality supporting secondary trading of ownership tokens.
  • Implemented dividend-distribution functionality for eligible token holders.
Project Tech stack:
Solidity
Smart contracts
Ethereum
Node.js
Nest.js
Full Stack Blockchain Consultant
Jan 2023 - May 20233 months
Project Overview

An institutional digital-bond issuance platform that used smart contracts to support on-chain bond workflows. The product included a production-ready web application through which users could interact with the bond issuance process.

Responsibilities:
  • Authored smart contracts supporting an institutional digital-bond issuance platform.
  • Reviewed and audited bond-issuance smart contracts for security and correctness.
  • Designed and built the production-ready Next.js DApp, including its integration with the digital bond smart contracts and on-chain transaction workflows.
  • Contributed to both the blockchain and user-facing application components of the platform.
Project Tech stack:
Solidity
Smart contracts
Next.js
Blockchain
Typescript
React
Node.js
HardHat
Full Stack Blockchain Consultant
Jul 2022 - Nov 20223 months
Project Overview

An institutional blockchain platform for issuing stablecoins within a regulated financial-services environment. The product focused on secure smart-contract infrastructure and was reviewed through an external security-audit process before production delivery.

Responsibilities:
  • Developed and deployed smart contracts for an institutional stablecoin issuance platform.
  • Implemented the contracts with a focus on security and regulated financial requirements.
  • Supported the smart contracts through external security audits conducted by OpenZeppelin.
  • Contributed to the delivery of production-ready stablecoin infrastructure for a major financial institution.
Project Tech stack:
Solidity
Smart contracts
Blockchain
Ethereum
ERC20
HardHat
Typescript

Languages

Greek
Advanced
English
Advanced

Hire Michael or someone with similar qualifications in days
All developers are ready for interview and are are just waiting for your requestdream dev illustration
Copyright © 2026 lemon.io. All rights reserved.