Florin Lipan
Senior Engineering Manager (Rust) at Undisclosed (Large Crypto Fintech)
Berlin, Germany
Summary
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Rockstar🎓
Top SchoolFlorin Lipan is a Senior Engineering Manager and Rust specialist with 12 years of hands-on experience bridging backend development, devops and product-focused engineering leadership from Berlin. He moved from Ruby/Rails monoliths and platform leadership at Blacklane to leading Rust teams in a large crypto fintech, combining pragmatic, "boring" clean code with strong AWS, Kubernetes and Docker expertise. Comfortable across databases, GraphQL and frontend UX considerations, he also writes crisp documentation and mentors teams to ship faster using modern tools like Hotwire and Turbo. An active open-source contributor, he enhanced a strongly-typed Rust OAuth2 client by adding grant types, robust error handling and thorough tests — evidence of his attention to API design and reliability. He balances hands-on coding with recruitment, 1:1 mentorship and product-minded engineering, and prefers simple, well-tested solutions even in complex distributed systems.
12 years of coding experience
16 years of employment as a software developer
Bachelor (240 ECTS Points), Computer Science, Bachelor (240 ECTS Points), Computer Science at Technical University Cluj-NapocaM. Sc. Informatics, M. Sc. Informatics at Karlsruhe Insistute of TechnologyTheoretisches Lyzeum "Johannes Honterus", Brasov
Romanian, German, English, French, Spanish
Stackoverflow
1,773reputation
67kreached
32answers
0questions
Github Skills (15)
serde-json10
rust10
serde10
oauth10
testing9
api-design8
algorithm6
css6
twitter-bootstrap6
simpleform6
math6
webhooks6
ruby6
rubygems6
ruby-on-rails6
Programming languages (10)
Github contributions (5)
ramosbugs/oauth2-rs
May 2017 - Mar 2018
Extensible, strongly-typed Rust OAuth2 client library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 releases, 41 commits, 24 PRs in 10 months
Contributions summary:Florin primarily contributed to the development of an OAuth2 client library in Rust. Their work included implementing features for parsing JSON access token responses, introducing multiple grant types, and refactoring the interface using the builder pattern. They also added comprehensive tests to ensure the library's functionality and robustness and handled different error scenarios. Furthermore, the user improved documentation and refactored the project to return `TokenError` instead of a generic `String`.
pkcerustclient-librarystrongly-typedtyped
blacklane/can-do
Mar 2016 - Jul 2019
Simple feature flags (no data store required)
Contributions:8 commits, 8 PRs, 11 pushes in 3 years 4 months
data-storeflagsabtestingfeature-flagsfeature-toggles
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