EXCEEDS logo
Exceeds
Belén Albeza

PROFILE

Belén Albeza

Belen worked on the penpot/penpot repository, delivering a robust WebAssembly-based rendering engine that improved performance, reliability, and cross-platform consistency for design tooling. She refactored core rendering pipelines in Rust and ClojureScript, modularized fill and font handling, and introduced binary serialization for efficient data transfer. Her work included implementing advanced text and shape rendering, optimizing memory usage, and establishing automated visual regression testing with Playwright. By unifying fill serialization and enforcing UI constraints, Belen reduced edge-case failures and maintenance overhead. The technical depth and architectural clarity of her contributions enabled faster feature delivery and higher-quality rendering across web and WASM builds.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

158Total
Bugs
27
Commits
158
Features
56
Lines of code
21,882
Activity Months13

Your Network

320 people

Shared Repositories

141
Ahmad HosseinBorMember
im424Member
ЦрнобогMember
Abhishek MittalMember
Henrik SteffensMember
Alejandro AlonsoMember
Alejandro AlonsoMember
Alexandre PawlakMember
AlexTECPlayzMember

Work History

October 2025

6 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for penpot/penpot focused on performance, stability, and rendering fidelity. Key deliverables include enforcing a maximum text fills limit processed by the UI and WebAssembly module to boost performance and prevent issues with excessive fill data, with encoding/decoding safeguards and an accompanying integration test. Also resolved issues with identical text fills to ensure consistent add/remove behavior, stabilized Inspect tab scrolling by refactoring height management to a CSS variable, and improved text rendering fidelity by aligning word-break behavior with the rendering engine and correcting underline metrics. These changes reduce edge-case failures, improve design reliability, and enhance user experience for complex design tasks. Public-facing impact includes lower latency for large fills, fewer UI anomalies, and easier maintenance through better test coverage and clearer commit traces.

September 2025

10 Commits • 3 Features

Sep 1, 2025

September 2025 performance summary for penpot/penpot focused on modularity, UI consistency, and cross-platform rendering readiness. Delivered foundational improvements to the text layout subsystem, stabilized UI flattening behavior, hardened font resource handling, advanced CI for WASM rendering, and updated release documentation. These efforts reduce maintenance burden, improve user experience, and enable faster delivery of text rendering features across web and WASM builds.

August 2025

7 Commits • 2 Features

Aug 1, 2025

In August 2025, delivered key performance and reliability improvements across the rendering, layout, and editor subsystems for penpot/penpot, with a focus on memory efficiency, renderer reliability, and architectural cleanup. Achievements include memory-friendly image fill data handling, a robust color picker following the WASM renderer upgrade, and safer layout management, complemented by editor styling fixes to ensure consistent rendering.

July 2025

5 Commits

Jul 1, 2025

July 2025 monthly summary focused on reliability, rendering fidelity, and build pipeline improvements for penpot/penpot. No new features were delivered this month; the majority of work centered on high-impact bug fixes that improve user experience and developer efficiency. These changes stabilize text copy-paste rendering, ensure typography consistency, and streamline Docker-based builds across platforms.

June 2025

12 Commits • 2 Features

Jun 1, 2025

June 2025 was focused on strengthening WebAssembly (WASM) rendering: delivering performance, stability, and DPR improvements alongside establishing automated visual regression testing for the WASM renderer. The changes reduced rendering edge cases, improved DPR handling, and set the foundation for reliable, scalable render quality verification across devices.

May 2025

20 Commits • 3 Features

May 1, 2025

May 2025: Delivered a unified fill rendering and serialization pipeline in penpot/penpot, established UI constraints and feature flags for fills, and improved UI accessibility and test coverage. The work reduces rendering fragmentation, mitigates risk when introducing new fill types, and enhances UI reliability and accessibility, enabling faster, safer feature delivery and higher product quality.

April 2025

31 Commits • 23 Features

Apr 1, 2025

April 2025 — Delivered substantial WASM-focused enhancements in penpot/penpot, improved test reliability, and advanced gradient/fill rendering. Key outcomes: 1) stabilized Rust tests and test infrastructure across wasm/non-wasm builds and updated architecture targets; 2) WebAssembly font handling improvements with a default font and variant support; 3) batch and radial fill serialization optimizations reducing rendering calls; 4) gradient/fill pipeline enhancements (switch to f32 offsets, radial gradient support, and serialization/parsing refactors); 5) wasm-facing refactors and code quality improvements (extracted wasm functions, removed unused code, and reorganized serializers). Impact: more reliable WASM builds, faster rendering paths, and a cleaner, scalable codebase supporting broader wasm features.

March 2025

5 Commits • 1 Features

Mar 1, 2025

March 2025 (penpot/penpot) — Delivered Rich WASM-based Text Rendering with Custom and Google Fonts, enabling high-fidelity typography in the app. The feature supports rendering plain text, dynamic custom fonts (TTF) from URLs and asset IDs, and Google Fonts integration, with font management refactors to separate namespaces and unify font IDs for maintainability. No major bugs fixed in this area this month. Overall, this work enhances text quality, expands typography options for designers, and sets the stage for scalable font workflows. Technologies demonstrated include WebAssembly-based rendering, dynamic font loading from URLs/assets, Google Fonts integration, and codebase refactoring for font namespaces and IDs.

February 2025

10 Commits • 2 Features

Feb 1, 2025

February 2025 performance summary for penpot/penpot: Delivered notable WASM rendering improvements, stabilized asset library UX, and polished libraries UI. Key features include a WASM rendering overhaul with separate render surfaces for fills/strokes, inner shadows rendering, and rendering order fixes; Libraries UI improvements including context menu fixes and dashboard view polish. Major bugs fixed: assets tab local library no longer collapses by default (with Playwright tests) and correction of the 'Publish empty library' modal for non-empty libraries (with integration test). Overall impact: stronger design rendering quality, improved asset library stability, and smoother navigation, supported by expanded test coverage. Technologies demonstrated: WebAssembly rendering architecture and refactor, canvas/render surface management, Playwright test automation, integration testing, and UI/UX refactoring.

January 2025

6 Commits • 2 Features

Jan 1, 2025

January 2025 performance summary for penpot/penpot focusing on stability, shape operations, and editing robustness. Delivered foundational rendering enhancements and advanced shape capabilities, while hardening canvas initialization, UI state, and path content handling to improve reliability and design tooling experience.

December 2024

17 Commits • 5 Features

Dec 1, 2024

Month: 2024-12 | Repository: penpot/penpot Key features delivered - Rendering: Shape path data deserialization in WASM and improved path/rect fill rendering, rotation handling, and background blending during rendering. - Rendering performance: Image and gradient fill optimizations, consolidating gradient stop processing to reduce calls and boost rendering throughput. - Renderer architecture: Core rendering refactored into modular components (GpuState, RenderOptions, ImageStore, Renderable trait, and matrix submodule) to improve maintainability and extensibility. - Icon UI enhancement: Storybook now displays each icon's ID for easier identification and styling tweaks. - Documentation updates: Added README and docs for render-wasm, including serialization formats and project purpose. Major bugs fixed - Rendering correctness: Excluded fills for group elements to prevent incorrect rendering. Overall impact and accomplishments - Achieved faster, more reliable rendering with a scalable architecture, enabling quicker feature delivery and consistent visuals across platforms. Documentation improvements reduce onboarding time and developer friction. Technologies/skills demonstrated - WASM integration and Rust modular design, render pipeline refactoring, performance optimization for image/gradient fills, Storybook integration, and comprehensive documentation practices.

November 2024

26 Commits • 11 Features

Nov 1, 2024

November 2024: Delivered major rendering enhancements and reliability fixes for penpot/penpot, boosting visual fidelity, performance, and developer velocity. Highlights include rustfmt-enforced development environment, a comprehensive RenderState/GPU/wasm refactor for maintainability and performance, and offscreen blending with support for multiple fills, gradients, and solid fills; DPR support added for consistent high-DPI rendering; and CI-oriented quality improvements. Key reliability work fixed transform leakage to non-children shapes, correct fill apply order, drawing surface clearing/resizing, and a crash related to Uuid usage.

October 2024

3 Commits • 1 Features

Oct 1, 2024

Month 2024-10 — Penpot repo focus on performance and rendering improvements through WASM-based rendering path and code modernization. Delivered substantial enhancements to rendering throughput and maintainability across the WASM and Rust integration.

Activity

Loading activity data...

Quality Metrics

Correctness90.4%
Maintainability89.0%
Architecture85.8%
Performance83.0%
AI Usage21.2%

Skills & Technologies

Programming Languages

BashCC++CLOJURECSSClojureClojureScriptDockerfileJSONJSX

Technical Skills

API DesignAPI IntegrationAccessibilityBackend DevelopmentBinary SerializationBug FixingBuild Environment ConfigurationBuild ScriptingBuild System ConfigurationBuild SystemsCI/CDCSSCanvas APIClipboard HandlingClojure

Repositories Contributed To

1 repo

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

penpot/penpot

Oct 2024 Oct 2025
13 Months active

Languages Used

ClojureClojureScriptJavaScriptRustSCSSCDockerfileJSON

Technical Skills

Canvas APIClojureScriptCode OrganizationComponent ArchitectureData StructuresFrontend Development