Nick Addison
Senior Solidity Developer at Origin Protocol
Sydney, New South Wales, Australia
Summary
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RockstarNick Addison is a Senior Solidity Developer based in Sydney with 12 years of experience building blockchain and financial services systems. He has led architecture and engineering efforts across startups and enterprise teams—from CTO roles and payments systems at Macquarie and FIS to DeFi development at mStable and smart-contract work at Origin Protocol. A ConsenSys alumnus, he has designed CBDC proofs of concept and tokenised settlement platforms, combining Solidity, TypeScript and cloud-native backends to deliver production-grade, auditable solutions. He co-leads the Blockchain subcommittee at Fintech Australia, speaks regularly at industry events and helps run the Sydney Ethereum meetup, translating policy and standards work into practical implementations. His open-source contributions include enhancements to sol2uml, improving Solidity storage visualisation and flattened contract handling—evidence of a developer who bridges tooling, protocol design and real-world financial workflows.
12 years of coding experience
24 years of employment as a software developer
Stackoverflow
81reputation
5kreached
2answers
1question
Github Skills (14)
solidity10
blockchain10
manipulation10
ethereum9
code-generation9
data-structures8
data-structure8
django-models6
unit-testing6
django-views6
postgresql6
python6
python-unittest6
django6
Programming languages (14)
Github contributions (5)
naddison36/sol2uml
Jan 2019 - Dec 2022
Solidity contract visualisation tool
Role in this project:
Back-end Developer
Back-end DeveloperContributions:47 releases, 2 reviews, 117 commits in 3 years 11 months
Contributions summary:Nick primarily contributed to the `sol2uml` project by adding features to the storage diagram functionality. This included implementing support for fixed-sized arrays declared with constants, handling the display of array data in the storage diagram, and correcting the calculation of storage slots. Additionally, the user modified the file merging process for flattened contracts, ensuring dependencies were correctly handled, and included the Solidity compiler version in the flattened output. The user also addressed issues related to association and import handling in the AST conversion process.
visualisationethereumcontractsoliditysmart-contracts
oplabs/primestaked-eth
Feb 2024 - Aug 2024
Contributions:59 reviews, 84 PRs, 301 pushes in 6 months
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