Jan Mikkelsen - Host And Administrator

Jan Mikkelsen

Host And Administrator

Copenhagen, Capital Region of Denmark

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Summary

👤

Senior

🎓

Top School

Jan Mikkelsen is an experienced agile coach, delivery lead and former product/engineering manager with 12+ years helping financial services and public sector teams deliver complex software and regulatory programs. Based in Copenhagen, he blends deep domain knowledge in capital markets and regulatory reporting with hands-on expertise in Scrum, LeSS and SAFe to improve collaboration, process and measurable client value. He has guided large platform implementations, run Release Train-level coaching, and recently helped prototype an AI solution for public health while also auditing investment back-office data. Technically fluent from early programming roles to contributing C++ runtime fixes in the well-known ANTLR4 open-source project, he pairs pragmatic engineering instincts with leadership. Outside IT he founded and runs goalkeeper coaching initiatives, reflecting a long-standing commitment to coaching, data-driven training and team development. Colleagues rely on him for steady facilitation, practical continuous-improvement habits, and a knack for translating regulatory and business complexity into executable plans.

13 years of coding experience

17 years of employment as a software developer

Master, Finance and Accounting, Master, Finance and Accounting at University of Southern Denmark

Bachelor, IT, Bachelor, IT at Vejle Handelsskole

Highschool, General Studies, Highschool, General Studies at Rosborg Gymnasium

English, German, Danish

Stackoverflow

Stats

1reputation

0reached

0answers

0questions

Github Skills (14)

algorithm10

data-structures10

algorithms10

c-language10

cprogramming-language10

parser-generator10

data-structure10

antlr10

text-parsing9

parsing9

language-recognition9

grammars9

grammar9

cpp8

Programming languages (3)

JavaC++C

Github contributions (5)

antlr/antlr4

Jun 2017 - Oct 2017

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Role in this project:

Back-end Developer & System Architect

Contributions:29 commits, 2 PRs, 60 comments in 4 months

Contributions summary:Jan primarily contributed to the C++ runtime of the ANTLR4 project, focusing on improving code quality and stability. Their work included implementing and modifying core classes such as `IntervalSet`, refactoring code for high warning levels, and addressing potential race conditions. The user also made changes to the `ParserInterpreter` by applying explicit casts, and removing code that was unreached. Further improvements included fixing the C++ runtime for UTF8 handling.

antlrbinary-fileslanguage-recognitionparser-generatorstructured-text

jm-mikkelsen/antlr4

Jun 2017 - Oct 2017

Contributions:31 pushes, 3 branches in 4 months

structuredrecognitionstructured-textparsingparser-generator

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