Mikko Ohtamaa is a veteran software engineer and entrepreneur with 26 years of experience who has been shaping blockchain and crypto infrastructure since the early days of Ethereum. As CEO and co-founder of Trading Strategy and former CTO of TokenMarket and LocalBitcoins, he blends hands-on Solidity and Python development with product and technical leadership for high-growth crypto platforms. A prolific open-source contributor, Mikko has improved core Ethereum tooling like web3.py and the Populus framework and built reliability tooling for projects such as WalletConnect. He advises and invests across DeFi and exchange technology, applying practical audit and security experience gained as one of the first smart contract auditors. Based in Gibraltar, he pairs academic engineering training with a knack for shipping robust, well-documented developer tooling and automated testing frameworks. Notably, his GitHub persona—“a penguin with sunglasses”—reflects a pragmatic, community-focused approach to open source.
26 years of coding experience
16 years of employment as a software developer
M.Sc. Industrial Engineering and Management, M.Sc. Industrial Engineering and Management at University of Oulu
A Python library for trading automation on DeFi, data research and integration. Supporting Uniswap, Aave, Chainlink, USDC and other protocols.
Role in this project:
Backend Developer & Test Automation Engineer
Contributions:50 reviews, 507 commits, 579 PRs in 1 year
Contributions summary:Mikko primarily contributed to the backend development of the DeFi trading automation library, focusing on testing and contract deployment. Their commits demonstrate the creation of unit tests for token deployment, including writing assertions to verify token properties. They also worked on establishing and integrating test fixtures and creating an interface for building raw transactions with gas configurations, indicating involvement in automated testing and potentially contract deployment automation.
Ethereum smart contracts for security and utility tokens
Role in this project:
Back-end Developer & Solidity Engineer
Contributions:394 commits, 54 PRs, 322 pushes in 2 years 5 months
Contributions summary:Mikko focused on improving and expanding the functionality of Ethereum smart contracts related to token sales. Their work involved fixing inconsistencies in documentation, adding support for new features (like a presale), refactoring contract naming conventions, and addressing audit report findings. They also contributed to setting up and configuring testing frameworks, upgrading dependencies, and ensuring the code's robustness by including checks and safeguards against various attacks.
ethereumsecuritysmart-contractspythonico
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