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metsw24-max

PROFILE

Metsw24-max

Over four months, contributed to core libraries such as apache/arrow, onekey-sec/unblob, and argotorg/solidity, focusing on memory safety, data validation, and robust parsing. Delivered features like secure ZIP extraction in opencart/opencart and hardened ASM JSON import in solidity, while addressing over 30 bugs involving integer overflow, buffer overflows, and undefined behavior. Applied C++, Python, and C to implement runtime checks, regression tests, and safer memory management, particularly in data extraction and backend systems. Prioritized business value by reducing crash risk and improving test coverage, demonstrating depth in systems programming, error handling, and cross-repository integration of security enhancements.

Overall Statistics

Feature vs Bugs

8%Features

Repository Contributions

52Total
Bugs
37
Commits
52
Features
3
Lines of code
1,930
Activity Months4

Your Network

1533 people

Shared Repositories

1533

Work History

July 2026

5 Commits • 1 Features

Jul 1, 2026

July 2026 performance highlights: delivered a robust ASM JSON import pipeline with standardized test infrastructure, and fixed several undefined-behavior/portability issues across core repos. The work targeted data integrity, reliability, and cross-build stability, delivering measurable business value through safer encoding, stronger input handling, and consistent testing practices.

June 2026

41 Commits • 1 Features

Jun 1, 2026

June 2026 performance summary focused on hardening data-carving pipelines, tightening memory-safety bounds, and hardening parsing/validation across multiple repositories. Delivered a security-conscious mix of feature work and stability fixes, underpinned by regression tests and integration checks. The month emphasized measurable business value: reduced risk of corrupted extractions, prevented traversal and out-of-bounds scenarios, and increased developer confidence through robust test coverage.

May 2026

4 Commits • 1 Features

May 1, 2026

May 2026: Focused on strengthening memory safety, test quality, and data integrity across core libraries. Delivered deterministic memory management fixes, safer test patterns, and a critical validation bug fix that prevents incorrect file reads in a dependent component. These changes reduce runtime risk, improve release reliability, and tighten the feedback loop for future work.

April 2026

2 Commits

Apr 1, 2026

April 2026 monthly summary focused on targeted memory-safety fixes and parsing robustness across two core libraries (folly and Apache Arrow), delivering measurable business value through increased stability and reduced risk in low-level networking and data-parsing paths.

Activity

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Quality Metrics

Correctness100.0%
Maintainability89.2%
Architecture88.0%
Performance88.0%
AI Usage30.8%

Skills & Technologies

Programming Languages

CC++GoJavaPHPPythonRust

Technical Skills

API DevelopmentBackend DevelopmentBitwise OperationsC programmingC++C++ developmentCompiler DevelopmentData EngineeringError HandlingFlatbuffersGoGraphics ProgrammingIPCInteger Overflow PreventionJSON

Repositories Contributed To

11 repos

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

onekey-sec/unblob

May 2026 Jun 2026
2 Months active

Languages Used

Python

Technical Skills

Error HandlingPythonUnit TestingPython programmingbackend developmentbinary analysis

apache/arrow

Apr 2026 Jul 2026
3 Months active

Languages Used

C++

Technical Skills

C++ developmentJSON parsingunit testingBackend DevelopmentC++Data Engineering

libsdl-org/libavif

May 2026 May 2026
1 Month active

Languages Used

CC++

Technical Skills

C programmingC++ developmentmemory managementsoftware testingunit testing

apache/poi

Jun 2026 Jun 2026
1 Month active

Languages Used

Java

Technical Skills

Graphics ProgrammingJavaSoftware DevelopmentUnit Testingexception handlingunit testing

yhirose/cpp-httplib

Jun 2026 Jul 2026
2 Months active

Languages Used

No languages

Technical Skills

API DevelopmentBackend DevelopmentC++Systems ProgrammingUnit TestingBitwise Operations

go-gitea/gitea

Jun 2026 Jun 2026
1 Month active

Languages Used

Go

Technical Skills

Gobackend development

argotorg/solidity

Jul 2026 Jul 2026
1 Month active

Languages Used

No languages

Technical Skills

Backend DevelopmentC++Compiler DevelopmentJSONSystems Programmingshell

facebook/buck2

Jun 2026 Jun 2026
1 Month active

Languages Used

Rust

Technical Skills

Rustbackend development

facebook/folly

Apr 2026 Apr 2026
1 Month active

Languages Used

C++

Technical Skills

C++ developmentunit testing

envoyproxy/envoy

Jun 2026 Jun 2026
1 Month active

Languages Used

C++

Technical Skills

C++ developmentmemory managementsoftware testing

opencart/opencart

Jun 2026 Jun 2026
1 Month active

Languages Used

PHP

Technical Skills

back end developmentsecurity best practices