exercism/problem-specifications
Dec 2024 – Jun 2025
4 Months active
Languages Used
MarkdownTOMLC#
Technical Skills
DocumentationProblem DefinitionProblem SpecificationAlgorithm ImplementationUnit Testing
Erik Schierboom
PROFILE
Erik Schierboom
Contributed to the exercism/problem-specifications repository by designing and implementing five new learner-facing exercises, including features such as delivery date conversion, the birthday paradox, split-second stopwatch functionality, and expanded test coverage for variable-length quantity encoding. Focused on clear problem definition, robust algorithm implementation, and comprehensive documentation, the work emphasized inclusivity and standardization across language tracks. Leveraged C#, Markdown, and TOML to ensure precise specifications and reliable unit testing. Maintained content governance by revising problem statements for gender neutrality and accuracy, while enhancing test reliability and metadata consistency to support safer, more maintainable solutions for open-source contributors and learners.
Overall Statistics
Feature vs Bugs
83%Features
Repository Contributions
7Total
Bugs
1
Commits
7
Features
5
Lines of code
1,426
Activity Months4
Work History
June 2025
1 Commits • 1 Features
Jun 1, 20252025-06 Monthly Summary – Exercism/problem-specifications: Delivered expanded test coverage for Variable-Length Quantity encoding/decoding. No major bugs fixed this month. This work enhances robustness and reliability of the problem-specifications repo across language tracks, enabling safer participant solutions and easier validation. Technologies demonstrated include test design, coverage expansion, and commit-based traceability (see commit 9f4f82c9a836be2f11d9a0f9e838506342178740).
1 Commits • 1 Features
Jun 1, 20252025-06 Monthly Summary – Exercism/problem-specifications: Delivered expanded test coverage for Variable-Length Quantity encoding/decoding. No major bugs fixed this month. This work enhances robustness and reliability of the problem-specifications repo across language tracks, enabling safer participant solutions and easier validation. Technologies demonstrated include test design, coverage expansion, and commit-based traceability (see commit 9f4f82c9a836be2f11d9a0f9e838506342178740).
June 2025
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for exercism/problem-specifications: Delivered a new user-facing exercise, Split-Second Stopwatch, to the problem-specifications catalog. The exercise introduces precise lap-time tracking with detailed instructions on stopwatch commands, states, and their effects. Commit f8c85219d88d2842e15e8c09ba1acbdd57ba0e42 added the exercise (PR #2547). No bug fixes were recorded for this repository in April. Impact: expands the learner-facing catalog for high-precision timing, improves standardization across language tracks, and strengthens the quality and completeness of practice content. Technologies/skills demonstrated: open-source contribution workflow, clear specification design, documentation of expected behaviors and edge cases, and traceable commits.
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for exercism/problem-specifications: Delivered a new user-facing exercise, Split-Second Stopwatch, to the problem-specifications catalog. The exercise introduces precise lap-time tracking with detailed instructions on stopwatch commands, states, and their effects. Commit f8c85219d88d2842e15e8c09ba1acbdd57ba0e42 added the exercise (PR #2547). No bug fixes were recorded for this repository in April. Impact: expands the learner-facing catalog for high-precision timing, improves standardization across language tracks, and strengthens the quality and completeness of practice content. Technologies/skills demonstrated: open-source contribution workflow, clear specification design, documentation of expected behaviors and edge cases, and traceable commits.
March 2025
4 Commits • 3 Features
Mar 1, 2025Month 2025-03 summary for exercism/problem-specifications: Delivered three key feature sets and improvements across the repository, driving learner onboarding, documentation quality, and metadata standardization.
4 Commits • 3 Features
Mar 1, 2025Month 2025-03 summary for exercism/problem-specifications: Delivered three key feature sets and improvements across the repository, driving learner onboarding, documentation quality, and metadata standardization.
March 2025
December 2024
1 Commits
Dec 1, 2024December 2024 monthly summary for developer work on exercism/problem-specifications. Focused on content governance and inclusivity within problem statements, with no changes to core problem logic.
December 2024
1 Commits
Dec 1, 2024December 2024 monthly summary for developer work on exercism/problem-specifications. Focused on content governance and inclusivity within problem statements, with no changes to core problem logic.
Activity
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Quality Metrics
Correctness97.2%
Maintainability97.2%
Architecture94.2%
Performance94.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
C#MarkdownTOML
Technical Skills
Algorithm ImplementationDocumentationProblem DefinitionProblem SpecificationUnit Testing
Repositories Contributed To
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