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Pepijn de Vos

PROFILE

Pepijn De Vos

Worked on expanding FPGA device support and improving accessibility in open-source projects. In YosysHQ/yosys, delivered enhancements for Gowin device families by updating Python scripts to generate modular Verilog files for GW2A and GW5A, refactoring code to improve organization and future scalability. This approach streamlined cell library expansion and facilitated maintainable hardware description workflows. In marimo-team/marimo, addressed a front-end accessibility issue by updating React components to prevent the application from stealing focus when embedded in iframes, preserving keyboard navigation for host applications. Demonstrated proficiency in Python, Verilog, and React, with a focus on maintainable, user-centric engineering solutions.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

3Total
Bugs
1
Commits
3
Features
1
Lines of code
17,199
Activity Months2

Your Network

239 people

Shared Repositories

239

Work History

January 2026

1 Commits

Jan 1, 2026

January 2026: Focused on embedding and accessibility improvements in Marimo. Delivered iframe-aware focus handling to prevent Marimo from stealing focus when embedded in host apps, preserving keyboard navigation and improving usability in larger applications. This work reduces UX regressions for customers integrating Marimo into complex dashboards and applications.

November 2024

2 Commits • 1 Features

Nov 1, 2024

2024-11 monthly summary for YosysHQ/yosys focusing on business value and technical achievements. Delivered Gowin device family support enhancements and improved code organization. Implemented GW2A and GW5A cell generation by updating cells_xtra.py, added Verilog module definitions for GW2A/GW5A, and refactored extraction to generate separate Verilog files per Gowin family (gw1n, gw2a, gw5a). No major bugs reported this month; groundwork laid for streamlined future Gowin device expansions and maintainable code structure.

Activity

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Quality Metrics

Correctness100.0%
Maintainability93.4%
Architecture93.4%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

PythonTypeScriptVerilog

Technical Skills

Code OrganizationFPGA Toolchain IntegrationHardware Description Language (HDL)Python ScriptingReactScriptingVerilogVerilog HDLfront end development

Repositories Contributed To

2 repos

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

YosysHQ/yosys

Nov 2024 Nov 2024
1 Month active

Languages Used

PythonVerilog

Technical Skills

Code OrganizationFPGA Toolchain IntegrationHardware Description Language (HDL)Python ScriptingScriptingVerilog

marimo-team/marimo

Jan 2026 Jan 2026
1 Month active

Languages Used

TypeScript

Technical Skills

Reactfront end development