Mark Simpson
Senior Consultant at Def Method
Massachusetts, United States
Summary
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Rockstar🎓
Top SchoolMark Simpson is a senior consultant and seasoned software engineer with over two decades of hands-on experience and 15 years in senior roles, currently based in Massachusetts. He excels at crafting maintainable, well-designed software and mentoring teams through transparent processes, rapid feedback, and continuous learning. As the initiator and primary maintainer of the Common Lisp track on Exercism, he contributes backend implementations, test automation, and educational exercises that improve language learning and test quality. His background spans startups and enterprise environments—from ADP to Def Method—bringing deep pragmatic knowledge across paradigms, methodologies, and languages. Known for combining technical rigor with a collaborative coaching style, he also brings a personal touch to community education and prefers his ideas fueled by coffee (and occasionally gin).
15 years of coding experience
25 years of employment as a software developer
BS, BS at Worcester Polytechnic Institute
English
Stackoverflow
932reputation
46kreached
25answers
0questions
Github Skills (15)
functional-programming10
test-driven-design10
common-lisp10
lisp10
data-structure9
lists9
struct9
structures9
data-structures9
slime6
vim6
shell6
emacs6
command-prompt6
command-line6
Programming languages (22)
Github contributions (5)
exercism/v3
Jan 2020 - Jan 2021
The work-in-progress project for developing v3 tracks
Role in this project:
Backend Developer & Test Automation Engineer
Backend Developer & Test Automation EngineerContributions:46 reviews, 32 commits, 69 PRs in 1 year
Contributions summary:Mark primarily focused on implementing and testing exercises within the Common Lisp track of the Exercism v3 project. Their contributions involved adding new concept exercises, such as those related to s-expressions, sameness, and lists, including example solutions and tests. They also refactored existing tests and examples to improve consistency and maintainability, indicating a focus on building a robust platform for learning Common Lisp.
in-progresstracksdevelopingwork-in-progress
verdammelt/octopress
Jan 2015 - Sep 2021
Contributions:33 pushes in 6 years 8 months
rubybloggingjekylljekyll-themeconfigure
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