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Filipe – Ethers.js, Smart contracts, Etherum, experts in Lemon.io

Filipe

From United Kingdom (UTC+1)flag

Blockchain Engineer|Senior

Filipe – Ethers.js, Smart contracts, Etherum

Filipe is a Senior Blockchain Engineer with 4 years of commercial experience building DeFi protocols and smart contracts on Ethereum. He has designed and delivered production-ready solutions across NFT and RWA lending, vault strategies, cross-chain bridging, and account abstraction, taking ownership from architecture through launch. He has led engineering teams, mentored developers, and works effectively in lean, autonomous environments where he can drive technical direction. Filipe communicates clearly with both technical and business stakeholders and is comfortable making architectural decisions while balancing security, scalability, and product goals.

4 years of commercial experience in
AI
Blockchain
NFT
Main technologies
Ethers.js
4 years
Smart contracts
4 years
Etherum
4 years
Solidity
4 years
Additional skills
Typescript
Node.js
Direct hire
Possible
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Experience Highlights

TechLead
Jun 2025 - May 202611 months
Project Overview

Developed a DeFi protocol featuring stablecoin and automated vault investment strategies.

Responsibilities:
  • Led the development and successful launch of the protocol;
  • Developed a stablecoin vault and four strategy-based investment vaults;
  • Designed custom vaults to reduce gas consumption and improve operational efficiency;
  • Built a lightweight smart wallet to manage shareholder participation across investment strategies and vaults.
Project Tech stack:
Smart contracts
Chief Technology Officer
Jun 2023 - Jun 20252 years
Project Overview

Developed a permissionless RWA lending protocol featuring AI-driven asset pricing and wallet-based lending.

Responsibilities:
  • Led the development and launch of the protocol's v2;
  • Architected the protocol's smart contract infrastructure and lending mechanisms;
  • Implemented AI-driven pricing and risk assessment algorithms;
  • Developed a seamless wallet-based lending experience;
  • Built sophisticated risk management systems to support secure lending operations.
Project Tech stack:
Smart contracts
Chief Technology Officer
Jun 2023 - Jun 20252 years
Project Overview

Created a sophisticated cross-chain DeFi yield optimization protocol with automated asset allocation and rebalancing.

Responsibilities:
  • Led the development and successful launch of the company's yield optimization protocol;
  • Spearheaded the development of an automated cross-chain yield optimization protocol;
  • Implemented meta-aggregation across multiple DeFi platforms;
  • Developed automated rebalancing and risk management mechanisms.
Project Tech stack:
Smart contracts
Chief Technology Officer
Jun 2023 - Jun 20252 years
Project Overview

Led the development and launch of the first version of an NFT-backed lending protocol.

Responsibilities:
  • Led the development and successful launch of the protocol's v1;
  • Designed and implemented core NFT-backed lending functionality;
  • Implemented cross-chain liquidity solutions;
  • Developed tax-efficient collateralization mechanisms.
Project Tech stack:
Smart contracts
Tech Lead
Oct 2022 - Aug 20239 months
Project Overview

A decentralized, non-custodial NFT lending protocol that enables users to borrow against NFTs or provide liquidity to earn passive income.

Responsibilities:
  • Directed research for new protocol integrations and technical innovations;
  • Managed the development process, conducted code reviews, and provided technical guidance;
  • Led team-building initiatives and contributed to strategic planning.
Project Tech stack:
Solidity
JavaScript
Typescript
HardHat

Education

2007
Psychology
Psychology Degree
2019
Accounting
Accounting Studies

Languages

English
Advanced

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