Andreas Kouloumos
Co-Founder at Schema Labs
Cyprus
Summary
🤩
Rockstar🎓
Top SchoolAndreas Kouloumos is a Co-Founder and open-source software engineer with a decade of experience building blockchain and civic-tech projects from Cyprus. He has contributed to Bitcoin Core test automation—refactoring mempool tests and adding transaction-chain methods—demonstrating deep QA and protocol-level understanding of one of the most prominent crypto projects. Andreas moved from consulting and self-employed development into roles at Chaincode Labs and now leads Schema Labs, blending hands-on engineering with product formation in civic technology. His background in electrical and computer engineering and early work on forecasting systems and .NET gives him a strong grounding in both systems and data-driven software. A former LEGO League coach and content creator, he brings mentorship and communication skills to technical leadership.
10 years of coding experience
8 years of employment as a software developer
Computing, Mathematics, Physics, 19,25 / 20,00, Computing, Mathematics, Physics, 19,25 / 20,00 at LyceumDiploma (5-year joint degree, 300 ECTS), Electrical and Computer Engineering, Diploma (5-year joint degree, 300 ECTS), Electrical and Computer Engineering at National Technical University of Athens
Greek, English
Stackoverflow
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0reached
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Github Skills (11)
test-automation10
bitcoin10
bitcoins10
python10
testing10
web-framework9
cpp8
cplus8
cryptocurrency7
cryptography6
p2p5
Programming languages (11)
Github contributions (5)
bitcoin/bitcoin
Jun 2022 - Jan 2023
Bitcoin Core integration/staging tree
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:111 reviews, 7 commits, 6 PRs in 7 months
Contributions summary:Andreas's contributions focus on enhancing the test suite for the Bitcoin Core integration/staging tree. They refactored and simplified existing test cases, particularly within the `mempool_package_limits.py` file, utilizing a `MiniWallet` class for improved test setup and execution. Furthermore, the user added new testing methods, such as `send_self_transfer_chain`, to create chains of transactions and expanded the test coverage for scenarios involving transaction size limits and package-related issues.
cryptographyp2pc-plus-pluscryptocurrencybitcoin-core
kouloumos/bitcointranscripts
Jan 2022 - Dec 2024
Contributions:61 PRs, 448 pushes, 332 branches in 2 years 11 months
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