JonathanĀ Amenechi
Head Of Onchain Execution at Polymarket
New York, New York, United States
Summary
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Top SchoolJonathan Amenechi is a Staff Software Engineer based in New York with 11 years of experience building production-grade systems across finance and web3. He progressed from market-risk engineering at JPMorgan Chase and Goldman Sachs to designing smart contracts and backend services for Polymarket, where he now leads as staff engineer. Jonathan blends traditional finance-grade engineering rigor with hands-on blockchain development, shipping prediction-market infrastructure on Ethereum. He is comfortable across smart contracts, backend services, and large codebases, and has scaled systems used for real economic markets. Colleagues describe him as a pragmatic problem-solver who translates complex domain requirements into auditable, reliable software. His background in computer engineering and cross-domain expertise make him a strong bridge between legacy finance systems and decentralized applications.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering (BEng) Computer Engineering, Bachelor of Engineering (BEng) Computer Engineering at The City College of New York
Github Skills (26)
clob10
python10
oracle10
ctf9
typescript9
subgraph9
calculation9
typescript-utility9
mining8
distributor8
payout7
go7
walletconnect6
ethereum6
blockchain6
Programming languages (5)
Github contributions (5)
Polymarket/python-order-utils
Jan 2022 - Sep 2022
Python utilities to generate and sign orders for Polymarket's CLOB
Contributions:2 releases, 2 reviews, 91 commits in 8 months
clobpython
Polymarket/uma-ctf-adapter
Aug 2021 - Jan 2023
Adapter contract to resolve Polymarket prediction markets via UMA's Optimistic Oracle.
Contributions:3 releases, 11 reviews, 386 commits in 1 year 5 months
oracle
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