Lasse Herskind
Solidity Developer at Aztec
United Kingdom
Summary
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Rockstar🎓
Top SchoolLasse Herskind is a Solidity developer with a decade of software experience, currently building privacy-preserving DeFi integrations at Aztec in the UK. He has hands-on protocol experience from Aave, where he upgraded core V3 smart contracts for newer Solidity versions and contributed tests and fixes to high-profile repos like aave-v3-core. His work spans DeFi primitives—deposits, withdrawals, flashloans—and addresses subtle rounding and edge-case issues that often surface in production. With a background at Deloitte exploring zero-knowledge proofs and a strong academic foundation from DTU, he blends formal engineering discipline with applied cryptographic and blockchain know-how. Colleagues describe him as the developer who anticipates protocol upgrade pitfalls before they hit mainnet.
10 years of coding experience
2 years of employment as a software developer
Technical University of Denmark
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (5)
smart-contracts10
solidity10
ethereum10
blockchain10
testing10
Programming languages (12)
Github contributions (5)
aave/aave-v3-core
Jul 2021 - Mar 2022
This repository contains the core smart contracts of the Aave V3 protocol.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 reviews, 632 commits, 7 PRs in 7 months
Contributions summary:Lasse focused on upgrading the Solidity version of the Aave V3 core smart contracts, addressing breaking changes in the newer versions. Their work involved updating dependencies, modifying abstract contract constructors, and adjusting library uses, ensuring the smart contracts remained functional. They modified the code in the repository related to testing, core lending pool contracts, tokenization and adapter contracts and added a simple test for a flashloan.
ethereumblockchainsoliditysmart-contractsaave
AztecProtocol/aztec-connect-bridges
Jan 2022 - Jan 2023
Role in this project:Backend Developer
Backend DeveloperContributions:10 releases, 199 reviews, 367 commits in 11 months
Contributions summary:Lasse implemented and tested functionalities related to Aave lending within the Aztec Connect Bridges repository, focusing on core interactions such as deposits and withdrawals. Their contributions involved creating tests and writing code using Solidity to interact with the Aave lending protocol, demonstrating knowledge of smart contract development and DeFi protocols. Additionally, the user addressed rounding issues and edge cases within the Aave implementation.
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