Ivan Levenhagen
Senior Software Engineering at Entria
Minas Gerais, Brazil
Summary
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RockstarIvan Levenhagen is a Senior Software Engineer with four years of experience building high-throughput financial systems, currently at Fireflies.ai after leading core banking engineering at Woovi. He has driven architecture and delivery for mission-critical products—a ledger handling thousands of TPS, a wallet-as-a-service, an external payments API, and a split-payment system—from product conception through production. His work cut provider integration times from six months to two weeks and introduced real-time GraphQL updates and automated sanity tooling to improve financial accuracy and developer onboarding. Based in Minas Gerais, Brazil, he blends hands-on engineering with process improvements and documentation discipline to scale teams and systems. Colleagues know him for pragmatic architecture choices and a knack for turning complex payment requirements into auditable, reliable solutions.
3 years of coding experience
2 years of employment as a software developer
Github Skills (25)
react-relay9
relay7
graphql6
react6
slonik6
relay-modern6
woocommerce6
pg-promise6
mercurius5
graphql-js5
pg-mem5
whatsapp3
javascript3
unit-testing3
testing3
Programming languages (4)
Github contributions (5)
Eckzzo/notdiscord
Jul 2022 - Jul 2022
Contributions:27 commits, 18 pushes in 10 days
Eckzzo/graphql-relay-js
Apr 2024 - Apr 2024
A library to help construct a graphql-js server supporting react-relay.
Contributions:1 push, 1 branch in 1 day
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