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Joshua Reusch

PROFILE

Joshua Reusch

Worked on core Gleam repositories, delivering language and tooling improvements across compiler, standard library, and developer experience. Enhanced code generation in rockerBOO/gleam by refining record type handling, enabling safer generics, and improving JavaScript interoperability. In gleam-lang/gleam, addressed OTP compatibility and Unicode path handling for robust cross-version and international support, while overhauling dependency management. Optimized URI parsing and string manipulation in gleam-lang/stdlib, focusing on performance and correctness. Applied skills in Erlang, Rust, and JavaScript, emphasizing AST manipulation, algorithm optimization, and rigorous testing. Prioritized maintainability, reliability, and cross-repo collaboration, consistently expanding test coverage and refining documentation throughout the development cycle.

Overall Statistics

Feature vs Bugs

65%Features

Repository Contributions

41Total
Bugs
8
Commits
41
Features
15
Lines of code
5,416
Activity Months3

Work History

January 2025

2 Commits • 1 Features

Jan 1, 2025

January 2025 monthly summary: Delivered concrete improvements in numeric formatting and code generation across Gleam's standard library and compiler codebase, enhancing reliability and business value. Key activities included enabling positive precision values in to_precision within the stdlib's float module, and fixing Erlang code generation to correctly handle single-statement blocks and nested record updates, with precision checks and new tests.

December 2024

5 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for Gleam development. Focus areas included cross-version OTP compatibility, Unicode path reliability, and performance-oriented refinements in the standard library. Deliveries across gleam-lang/gleam and gleam-lang/stdlib reduced runtime risk, improved support for international projects, and enhanced language/library performance.

November 2024

34 Commits • 13 Features

Nov 1, 2024

November 2024 monthly summary focusing on delivering robust tooling improvements, performance optimizations, and improved developer experience across the Gleam projects. The period saw targeted code-generation enhancements, safer and more expressive generics in record updates, editor/IDE improvements via LSP specialization, and notable performance work in the standard library, all backed by broadened test coverage and release hygiene.

Activity

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Quality Metrics

Correctness94.4%
Maintainability93.4%
Architecture89.8%
Performance85.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

ErlangGleamJavaScriptMarkdownRust

Technical Skills

AST ManipulationAlgorithm OptimizationBug FixingBuild SystemsCachingCode GenerationCode OrganizationCode RefactoringCommunity ManagementCompiler DevelopmentCustom TypesDebuggingDependency ManagementDocumentationErlang

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

rockerBOO/gleam

Nov 2024 Nov 2024
1 Month active

Languages Used

ErlangJavaScriptMarkdownRust

Technical Skills

AST ManipulationBug FixingBuild SystemsCachingCode GenerationCode Refactoring

gleam-lang/gleam

Nov 2024 Jan 2025
3 Months active

Languages Used

JavaScriptMarkdownRustErlang

Technical Skills

Code OrganizationCode RefactoringCommunity ManagementCompiler DevelopmentDebuggingDependency Management

gleam-lang/stdlib

Nov 2024 Jan 2025
3 Months active

Languages Used

ErlangGleamJavaScriptMarkdown

Technical Skills

Low-level ProgrammingPerformance OptimizationString ManipulationURI ParsingAlgorithm OptimizationDocumentation