Toon Leijtens
IT Area Lead Modeling at ING Nederland
's-Hertogenbosch, North Brabant, Netherlands
Summary
👤
Senior🎓
Top SchoolToon Leijtens is an experienced IT leader and software engineer with over a decade driving risk IT, blockchain and startup technology programs across banking and commodity trade finance. Currently IT Area Lead Modeling at ING he steers global teams maintaining model lifecycle operations for ALM, market, credit risk and ESG, blending business and technical perspectives in Agile/SAFe environments. He has held CTO roles at komgo® and Vosbor Exchange and led early enterprise blockchain proofs (Ethereum, Corda, Hyperledger) that seeded new trade-finance startups. As a freelance consultant he coaches blockchain/DLT startups and explores emerging tech—AI, quantum computing and zero-knowledge proofs—bringing hands-on delivery and research curiosity to productisation. Known for translating complex regulatory and risk needs into pragmatic architectures, he also guides organisations to faster, value-focused delivery. Based in the Netherlands, he combines deep financial markets domain knowledge with a knack for bridging experimental tech and production-grade platforms.
10 years of coding experience
15 years of employment as a software developer
Architecture in practice, Architecture in practice at CibitBSc. Informatica Economics, BSc. Informatica Economics at Fontys University of Applied SciencesPSPO I Agile SCRUM PO (Product Owner) training, PSPO I Agile SCRUM PO (Product Owner) training at Scrum.orgPassed Euromoney Derivatives Bootcamp, Passed Euromoney Derivatives Bootcamp at Euromoney Training
English, German, Dutch, French
Stackoverflow
61reputation
17kreached
2answers
1question
Github Skills (74)
geth10
python10
contract10
abi10
p2p10
solidity10
pythonic10
golang10
vyper10
go10
ethereum-dapp10
ethereum10
blockchain10
quorum9
smart-contracts9
Programming languages (5)
Github contributions (5)
YellowBrainz/vyper
Jul 2018 - Nov 2019
New experimental programming language
Contributions:25 pushes in 1 year 4 months
compilerexperimental-programming-languageprogramming-languageinterpreterstack-based
smart-t/temperature
Jul 2021 - Jan 2025
My Raspberry PI PICO project using a I2C connect BMP280 module
Contributions:3 PRs, 16 pushes, 2 branches in 3 years 6 months
rp2040adaraspberry-piraspberry-pi-picoi2c
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