Simon Hessner
Machine Learning Engineer at UnderwriteMe
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolSimon Hessner is a Machine Learning Engineer based in London with nine years of experience building Python-driven ML systems across NLP, computer vision, deep learning and animation. He has moved between research and product roles at organizations like Synthesia, Mindtech and Carnegie Mellon, and currently applies his expertise at UnderwriteMe after recent ML work at NLPatent. Simon pairs research-grade experimentation with production-focused engineering—evident from his CMU research internship and contributions to open-source front-end tooling where he fixed tricky tooltip flicker and added robust typings to the popular Recharts library. A 2020 BlindData Python competition winner, he brings a blend of academic rigor and practical problem-solving that surfaces in both model development and UI/UX-sensitive integrations.
8 years of coding experience
8 years of employment as a software developer
Master of Science - MS, Master of Science - MS at Karlsruhe Institute of Technology (KIT)M.Sc in Computer Science (exchange student), M.Sc in Computer Science (exchange student) at Carnegie Mellon University
English, German, Spanish
Stackoverflow
1,817reputation
139kreached
22answers
71questions
Github Skills (22)
javascript10
ui-components10
charts10
typescript10
ui-design10
chartjs10
charting10
component-kit10
recharts10
typescript-types10
typescripts10
react10
d3js8
swift6
unity-game-engine6
Programming languages (7)
Github contributions (5)
recharts/recharts
May 2020 - Aug 2020
Redefined chart library built with React and D3
Role in this project:
Front-end Developer
Front-end DeveloperContributions:7 commits, 2 PRs, 22 comments in 2 months
Contributions summary:Simon primarily focused on improving the Recharts library's tooltip functionality and component typing. They fixed a flickering tooltip issue by preserving state across re-renders. The user also enhanced the codebase by adding type definitions for the label prop in various chart axes and restructured the `componentWillReceiveProps` function. Furthermore, they addressed linting issues and merged changes.
chartsreactbuilt-with-reactcharting-librarychart
simonhessner/fullstackopen-solutions
May 2023 - Jul 2023
Contributions:50 pushes, 1 branch in 1 month
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