Jasper Van Merle
Graduate Software Engineer
Zeist, Utrecht, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolJasper Van Merle is a pragmatic software engineer with a decade of hands-on experience building and modernizing large-scale Java systems, currently working as a Graduate Software Engineer at IMC Trading after maintaining mission-critical banking infrastructure at ASN Bank. He thrives in legacy codebases—navigating a 1M+ line, 20+-year-old Java system to deliver features, fixes, and incremental modernization while also owning tooling like Eclipse and Maven plugins. Jasper is an active open-source contributor across diverse domains, from algorithmic trading (meaningful contributions to QuantConnect's Lean and CLI) to developer tooling and competitive-programming browser extensions, demonstrating both backend/infrastructure and frontend chops. His background blends formal CS training from Eindhoven University of Technology with practical industry internships and a technical post-master program (Harvest), giving him a strong foundation for tackling complex, production-critical problems. Notably, he has contributed build/deployment automation (GitHub Actions for Python stubs) and cross-language performance fixes (Python.NET), highlighting a knack for improving developer experience and interoperability.
10 years of coding experience
3 years of employment as a software developer
Bachelor of Science - BS Software Engineering, Bachelor of Science - BS Software Engineering at Avans University of Applied SciencesMaster of Science - MS Computer Science and Engineering, Master of Science - MS Computer Science and Engineering at Eindhoven University of Technology
Dutch, English
Github Skills (48)
algorithm10
algorithms10
github-ci10
javascript10
trading-algorithms10
python10
trading10
browser-extension10
css10
user-manual10
guideline10
command-line-interface10
typescript10
user-interface10
tradingview10
Programming languages (16)
Github contributions (5)
jmerle/competitive-companion
Dec 2017 - Jan 2023
Browser extension which parses competitive programming problems
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:141 releases, 12 reviews, 760 commits in 5 years 2 months
Contributions summary:Jasper primarily contributed to the development of a browser extension for parsing competitive programming problems. Their work involved implementing parsers for various competitive programming platforms, including Codeforces and HackerRank, and integrating them into the extension's content script. Additionally, the user refactored and improved the user interface, including a new format for custom tasks and the removal of unnecessary dependencies. The user also added support for various other features and problems.
kattisbrowserproblemsjavascriptuva
freeCodeCamp/devdocs
Jul 2018 - Nov 2020
API Documentation Browser
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 reviews, 362 commits, 137 PRs in 2 years 4 months
Contributions summary:Jasper contributed to the API Documentation Browser by fixing bugs and adding documentation for various technologies, including Bash, Graphite, MariaDB, Dart, and Vue Router. Their work involved modifying code, adding filters to clean up and format the documentation, and updating templates. These changes enhanced the functionality and expanded the coverage of the documentation browser.
apibrowserdocumentation-toolapi-documentationdeveloper-tools
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