
Andrés Moya engineered robust token management and design system features for the penpot/penpot repository, delivering 29 features and resolving 19 bugs over 11 months. He refactored core data models, centralized token operations, and implemented ID-based referencing to improve data integrity and maintainability. Using Clojure, ClojureScript, and JavaScript, Andrés enhanced import/export reliability, introduced migration tooling for legacy data, and strengthened UI resilience through validation and error handling. His work included architectural updates, protocol alignment, and comprehensive testing, resulting in a scalable, maintainable codebase that supports complex design-token workflows and reduces user-facing errors in collaborative design environments.

October 2025: Focused on stabilizing library operations and token management in penpot/penpot. Key fixes reduce crash risk during library updates, address token ID duplication, and fix token theme editor edge cases. Delivered concrete fixes that improve reliability, data integrity, and user experience for token management and design workflows.
October 2025: Focused on stabilizing library operations and token management in penpot/penpot. Key fixes reduce crash risk during library updates, address token ID duplication, and fix token theme editor edge cases. Delivered concrete fixes that improve reliability, data integrity, and user experience for token management and design workflows.
September 2025 focused on reliability, data integrity, and predictable UI/layout behavior in penpot/penpot. Delivered a comprehensive Token Management System Overhaul, modularized path utilities, and implemented robust validations with automated repair paths. These efforts reduce export/import failures, improve layout predictability, and enforce data sanity across shapes and tokens, driving user trust and reducing support load.
September 2025 focused on reliability, data integrity, and predictable UI/layout behavior in penpot/penpot. Delivered a comprehensive Token Management System Overhaul, modularized path utilities, and implemented robust validations with automated repair paths. These efforts reduce export/import failures, improve layout predictability, and enforce data sanity across shapes and tokens, driving user trust and reducing support load.
August 2025 highlights: Focused on robustness, maintainability, and future feature readiness for penpot/penpot. Key features delivered and changes implemented this month: - Token Set Management System Rework (ID-based referencing): Reworked token set management to reference token sets by unique IDs, establishing safer operations and reducing risk of name-based collisions. Included internal helper renaming, processing updates, and normalization to improve reliability and pave the way for user-facing features relying on token sets. - JSON Date Encoding Fix for ClojureScript: Implemented a dedicated handler to correctly serialize Date objects to JSON, eliminating incorrect date encodings and improving interoperability with downstream consumers. Major bugs fixed: - Fixed JSON encoding for ClojureScript dates by introducing a robust serializer, ensuring consistent, correct JSON outputs. Overall impact and accomplishments: - Improved data integrity and maintainability through ID-based token set architecture, reducing risk during updates and refactors. - Accelerated future feature development with a scalable token set model and safer operation semantics. - Strengthened cross-language data exchange with reliable JSON date handling, reducing runtime errors and data inconsistencies. Technologies/skills demonstrated: - Refactoring and architectural evolution (ID-based referencing), code normalization, and helper renaming for maintainability. - Robust JSON serialization handling in a ClojureScript environment. - Incremental delivery of platform foundations enabling safer, scalable feature work in subsequent sprints.
August 2025 highlights: Focused on robustness, maintainability, and future feature readiness for penpot/penpot. Key features delivered and changes implemented this month: - Token Set Management System Rework (ID-based referencing): Reworked token set management to reference token sets by unique IDs, establishing safer operations and reducing risk of name-based collisions. Included internal helper renaming, processing updates, and normalization to improve reliability and pave the way for user-facing features relying on token sets. - JSON Date Encoding Fix for ClojureScript: Implemented a dedicated handler to correctly serialize Date objects to JSON, eliminating incorrect date encodings and improving interoperability with downstream consumers. Major bugs fixed: - Fixed JSON encoding for ClojureScript dates by introducing a robust serializer, ensuring consistent, correct JSON outputs. Overall impact and accomplishments: - Improved data integrity and maintainability through ID-based token set architecture, reducing risk during updates and refactors. - Accelerated future feature development with a scalable token set model and safer operation semantics. - Strengthened cross-language data exchange with reliable JSON date handling, reducing runtime errors and data inconsistencies. Technologies/skills demonstrated: - Refactoring and architectural evolution (ID-based referencing), code normalization, and helper renaming for maintainability. - Robust JSON serialization handling in a ClojureScript environment. - Incremental delivery of platform foundations enabling safer, scalable feature work in subsequent sprints.
July 2025 — penpot/penpot: Strengthened token management, upgrade readiness, and UI resilience. Delivered ID-based token CRUD with factory-backed deserialization, added migration support for legacy token sets, and improved typography token application. Implemented robust ID sanitization for token themes, added safeguards for empty token sets and combobox options, and refined token attribute synchronization across shape groups and text elements. These changes reduce upgrade risk, prevent runtime crashes, and improve maintainability, resulting in more predictable design-token behavior and faster developer iterations. Technologies demonstrated include patterns for ID-based token handling, UUID sanitization, migration tooling, and UI/state safety.
July 2025 — penpot/penpot: Strengthened token management, upgrade readiness, and UI resilience. Delivered ID-based token CRUD with factory-backed deserialization, added migration support for legacy token sets, and improved typography token application. Implemented robust ID sanitization for token themes, added safeguards for empty token sets and combobox options, and refined token attribute synchronization across shape groups and text elements. These changes reduce upgrade risk, prevent runtime crashes, and improve maintainability, resulting in more predictable design-token behavior and faster developer iterations. Technologies demonstrated include patterns for ID-based token handling, UUID sanitization, migration tooling, and UI/state safety.
June 2025 — Focused on stabilizing the token subsystem, improving import resilience, and reducing manual cleanup in the Penpot codebase. Key changes include a refactor making TokenSet an abstract data type and aligning with an INamedItem protocol, a targeted bug fix ensuring tokens are unapplied when text layer properties change, and robustness enhancements for importing token-related data (including token-less files and metadata-only imports). These efforts improve data integrity, extend interoperability with token-free assets, and reduce user-facing errors during design-to-code workflows.
June 2025 — Focused on stabilizing the token subsystem, improving import resilience, and reducing manual cleanup in the Penpot codebase. Key changes include a refactor making TokenSet an abstract data type and aligning with an INamedItem protocol, a targeted bug fix ensuring tokens are unapplied when text layer properties change, and robustness enhancements for importing token-related data (including token-less files and metadata-only imports). These efforts improve data integrity, extend interoperability with token-free assets, and reduce user-facing errors during design-to-code workflows.
May 2025 focused on strengthening token management reliability in penpot/penpot, delivering robust import/export capabilities, an extensible internal data model with IDs, and substantial maintenance work to improve data integrity, maintainability, and long-term business value across design tokens and design systems.
May 2025 focused on strengthening token management reliability in penpot/penpot, delivering robust import/export capabilities, an extensible internal data model with IDs, and substantial maintenance work to improve data integrity, maintainability, and long-term business value across design tokens and design systems.
April 2025 performance summary for penpot/penpot: Delivered a major architectural refactor of token management by centralizing token data into workspace.data, main.data, and common.files, removing unused code and stabilizing data flows. Implemented propagation data structure updates and moved error and warning handling to the centralized data layer, improving reliability and observability. Enhanced import coherence for single-set JSON imports and added debug traces to detach copy operations. Completed cleanup work to remove redundant schemas and unused functions. Fixed a bug: handle swapped nested instances when detaching. These changes reduce maintenance burden, improve data integrity, and lay groundwork for scalable token operations with clearer ownership and faster delivery.
April 2025 performance summary for penpot/penpot: Delivered a major architectural refactor of token management by centralizing token data into workspace.data, main.data, and common.files, removing unused code and stabilizing data flows. Implemented propagation data structure updates and moved error and warning handling to the centralized data layer, improving reliability and observability. Enhanced import coherence for single-set JSON imports and added debug traces to detach copy operations. Completed cleanup work to remove redundant schemas and unused functions. Fixed a bug: handle swapped nested instances when detaching. These changes reduce maintenance burden, improve data integrity, and lay groundwork for scalable token operations with clearer ownership and faster delivery.
March 2025 monthly summary for penpot/penpot: Focused on stabilizing and improving token management, input validation, and developer experience. Delivered robust numeric input validation across token-related properties, core token management synchronization improvements, and UI token behavior fixes, alongside developer-focused testing and onboarding enhancements. Resulted in fewer crashes, more accurate token propagation across components, and stronger test reliability.
March 2025 monthly summary for penpot/penpot: Focused on stabilizing and improving token management, input validation, and developer experience. Delivered robust numeric input validation across token-related properties, core token management synchronization improvements, and UI token behavior fixes, alongside developer-focused testing and onboarding enhancements. Resulted in fewer crashes, more accurate token propagation across components, and stronger test reliability.
February 2025 (2025-02) delivered observable improvements in penpot/penpot with a focus on debugging efficiency and data export reliability. Key features delivered include: 1) Internal Component Synchronization Logging Enhancements: introduced conditional logging using shape-log and container-log macros to selectively trace synchronization operations, reducing log noise while speeding debugging. 2) Token Export Enhancement: Include Active Sets and Themes: token export now includes active sets and themes in JSON output; refactored path splitting; updated encoding/decoding to handle new information; added tests for serialization/deserialization. Major bugs fixed: none reported this period. Overall impact: improved developer productivity through better observability and more robust token export, enabling faster troubleshooting and more reliable data interchange for downstream workflows. Technologies/skills demonstrated: logging instrumentation with macros, JSON serialization/deserialization, data model refactor, test coverage, and TypeScript/JavaScript ecosystem practices.
February 2025 (2025-02) delivered observable improvements in penpot/penpot with a focus on debugging efficiency and data export reliability. Key features delivered include: 1) Internal Component Synchronization Logging Enhancements: introduced conditional logging using shape-log and container-log macros to selectively trace synchronization operations, reducing log noise while speeding debugging. 2) Token Export Enhancement: Include Active Sets and Themes: token export now includes active sets and themes in JSON output; refactored path splitting; updated encoding/decoding to handle new information; added tests for serialization/deserialization. Major bugs fixed: none reported this period. Overall impact: improved developer productivity through better observability and more robust token export, enabling faster troubleshooting and more reliable data interchange for downstream workflows. Technologies/skills demonstrated: logging instrumentation with macros, JSON serialization/deserialization, data model refactor, test coverage, and TypeScript/JavaScript ecosystem practices.
Concise monthly summary for 2025-01 focusing on business value and technical achievements across penpot/penpot. Highlights include token library integration within penpot files, page-scoped workspace context, and stability improvements for shape detachment and token-driven updates across pages. Delivered enhancements strengthen multi-page consistency, export/import fidelity, and token-driven design workflows for designers and developers.
Concise monthly summary for 2025-01 focusing on business value and technical achievements across penpot/penpot. Highlights include token library integration within penpot files, page-scoped workspace context, and stability improvements for shape detachment and token-driven updates across pages. Delivered enhancements strengthen multi-page consistency, export/import fidelity, and token-driven design workflows for designers and developers.
November 2024: Implemented Design Tokens System rollout with controlled development toggles in penpot/penpot, including a new feature flag for design-tokens input fields and merging the design-tokens branch. Tokens are disabled by default in development to streamline developer workflow and reduce risk during integration. Fixed UI and merge issues to improve stability: Tokens tab visibility is now correct when tokens are absent, and a merge error in the manage script was resolved. This work reduces UI noise, improves stability of token-related features, and enables safer, staged rollout across the dev and early release flow.
November 2024: Implemented Design Tokens System rollout with controlled development toggles in penpot/penpot, including a new feature flag for design-tokens input fields and merging the design-tokens branch. Tokens are disabled by default in development to streamline developer workflow and reduce risk during integration. Fixed UI and merge issues to improve stability: Tokens tab visibility is now correct when tokens are absent, and a merge error in the manage script was resolved. This work reduces UI noise, improves stability of token-related features, and enables safer, staged rollout across the dev and early release flow.
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