ava-labs/core-extension
Jun 2025 – Mar 2026
10 Months active
Languages Used
CSSJavaScriptTypeScriptSVGtsxHTMLJSONYAML
Technical Skills
Component DevelopmentComponent Library IntegrationContext APIFrontend DevelopmentNext.jsReact
Bartosz
PROFILE
Bartosz
Over ten months, contributed to ava-labs/core-extension by building and refining features that enhance multi-network account management, token handling, and cross-network asset transfers. Focused on robust UI/UX development using React and TypeScript, the work included implementing unified account workflows, real-time portfolio balance updates, and secure password and recovery flows. Applied API integration and error handling best practices to improve reliability, including exponential backoff and circuit breaker patterns for API calls. Automated localization workflows and improved onboarding, wallet import, and transaction history visibility. The technical approach emphasized modular component architecture, state management, and maintainable code, resulting in a scalable, user-focused extension.
Overall Statistics
Feature vs Bugs
85%Features
Repository Contributions
48Total
Bugs
5
Commits
48
Features
29
Lines of code
27,113
Activity Months10
Your Network
52 peopleSame Organization
@avalabs.org38
alexnicolae-avaMember
AminR443Member
An NguyenMember
Andrea VargasMember
avalanche-devrel-botMember
Joachim Brandon LeBlancMember
Brian RidingsMember
cam-schultzMember
Ceyhun OnurMember
Work History
March 2026
4 Commits • 3 Features
Mar 1, 2026Monthly performance summary for 2026-03 (ava-labs/core-extension). Delivered core UX improvements, reliability enhancements, and localization fixes that directly drive business value and developer productivity. Key work includes new UI interaction safeguards, resilient API communication, a broader fetch strategy with circuit breaker logic, and corrected localization assets. Key deliverables: - Clipboard Copy Component and media interaction safeguards: Introduced a new copy-to-clipboard component and global styles to prevent text selection, image drag events, and context menu triggers on media, improving content sharing UX and reducing accidental media interactions. - Exponential backoff for Balance API Client with tests and middleware integration: Implemented exponential backoff to gracefully handle throttling, added tests, and refactored to integrate middleware for consistent error handling across Balance API calls. - Introduce circuit breaker-enabled fetch implementation across @avalabs modules: Adopted a custom fetch with circuit breaker logic to improve error handling and request reliability across modules. - Fix Spanish translation language code (es-EM to es-ES) and remove outdated translation file: Corrected localization to es-ES and cleaned up deprecated assets to ensure accurate Spanish support. Impact and outcomes: - Improved user experience for sharing content and media interaction, with a robust UI that reduces accidental actions. - Higher API resilience against throttling, leading to fewer failed requests and smoother user workflows. - More reliable module communications via circuit breaker-enabled fetch, reducing cascading failures. - Cleaner localization assets, ensuring accurate language support for Spanish-speaking users. Technologies and skills demonstrated: - TypeScript/JavaScript, React-style component design, and UI/UX guardrails - API resilience patterns: exponential backoff, middleware integration - Circuit breaker pattern for fetch across modules - Localization, language code management, and asset cleanup - Testing practices to validate resilience and error handling
4 Commits • 3 Features
Mar 1, 2026Monthly performance summary for 2026-03 (ava-labs/core-extension). Delivered core UX improvements, reliability enhancements, and localization fixes that directly drive business value and developer productivity. Key work includes new UI interaction safeguards, resilient API communication, a broader fetch strategy with circuit breaker logic, and corrected localization assets. Key deliverables: - Clipboard Copy Component and media interaction safeguards: Introduced a new copy-to-clipboard component and global styles to prevent text selection, image drag events, and context menu triggers on media, improving content sharing UX and reducing accidental media interactions. - Exponential backoff for Balance API Client with tests and middleware integration: Implemented exponential backoff to gracefully handle throttling, added tests, and refactored to integrate middleware for consistent error handling across Balance API calls. - Introduce circuit breaker-enabled fetch implementation across @avalabs modules: Adopted a custom fetch with circuit breaker logic to improve error handling and request reliability across modules. - Fix Spanish translation language code (es-EM to es-ES) and remove outdated translation file: Corrected localization to es-ES and cleaned up deprecated assets to ensure accurate Spanish support. Impact and outcomes: - Improved user experience for sharing content and media interaction, with a robust UI that reduces accidental actions. - Higher API resilience against throttling, leading to fewer failed requests and smoother user workflows. - More reliable module communications via circuit breaker-enabled fetch, reducing cascading failures. - Cleaner localization assets, ensuring accurate language support for Spanish-speaking users. Technologies and skills demonstrated: - TypeScript/JavaScript, React-style component design, and UI/UX guardrails - API resilience patterns: exponential backoff, middleware integration - Circuit breaker pattern for fetch across modules - Localization, language code management, and asset cleanup - Testing practices to validate resilience and error handling
March 2026
February 2026
5 Commits • 4 Features
Feb 1, 2026February 2026 monthly summary for ava-labs/core-extension: Focused on reliability, usability, and localization efficiency, delivering four key streams that drive business value and long-term maintainability. Improvements to balance data flows increased stability and predictable behavior under API limits. UI refinements across token details and transaction history enhanced clarity and user satisfaction. Avatar support for contacts adds personalization. Localization workflow automation reduces translation cycle time and hands-off maintenance. These work patterns strengthened the product's robustness, developer velocity, and time-to-value for end-users.
February 2026
5 Commits • 4 Features
Feb 1, 2026February 2026 monthly summary for ava-labs/core-extension: Focused on reliability, usability, and localization efficiency, delivering four key streams that drive business value and long-term maintainability. Improvements to balance data flows increased stability and predictable behavior under API limits. UI refinements across token details and transaction history enhanced clarity and user satisfaction. Avatar support for contacts adds personalization. Localization workflow automation reduces translation cycle time and hands-off maintenance. These work patterns strengthened the product's robustness, developer velocity, and time-to-value for end-users.
January 2026
5 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary for ava-labs/core-extension focusing on delivering UI polish, improved wallet usability, and UI stability. Key features delivered include Portfolio UI improvements with enhanced balance display and token symbol tooltips, and top bar padding adjustments; a Solana Ledger integration prompt to derive addresses during Solana use; and UI stability improvements through an approval message height fix and a NoScrollStack refactor for consistent spacing. Overall impact emphasizes reduced user friction, clearer asset presentation, and improved reliability in wallet interactions.
5 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary for ava-labs/core-extension focusing on delivering UI polish, improved wallet usability, and UI stability. Key features delivered include Portfolio UI improvements with enhanced balance display and token symbol tooltips, and top bar padding adjustments; a Solana Ledger integration prompt to derive addresses during Solana use; and UI stability improvements through an approval message height fix and a NoScrollStack refactor for consistent spacing. Overall impact emphasizes reduced user friction, clearer asset presentation, and improved reliability in wallet interactions.
January 2026
December 2025
8 Commits • 5 Features
Dec 1, 2025December 2025 focused on delivering high-value features, stabilizing balance/token visibility, and improving onboarding and recovery experiences in ava-labs/core-extension. Business value was derived from real-time data accuracy, smoother wallet onboarding, and stronger user engagement paths, while technical work emphasized UX improvements, localization refinements, and secure recovery flows across key features.
December 2025
8 Commits • 5 Features
Dec 1, 2025December 2025 focused on delivering high-value features, stabilizing balance/token visibility, and improving onboarding and recovery experiences in ava-labs/core-extension. Business value was derived from real-time data accuracy, smoother wallet onboarding, and stronger user engagement paths, while technical work emphasized UX improvements, localization refinements, and secure recovery flows across key features.
November 2025
3 Commits • 2 Features
Nov 1, 2025November 2025 monthly summary focused on delivering cross-network asset transfer capabilities, enhanced visibility into on-chain activity, and UX improvements to increase user confidence and operational efficiency.
3 Commits • 2 Features
Nov 1, 2025November 2025 monthly summary focused on delivering cross-network asset transfer capabilities, enhanced visibility into on-chain activity, and UX improvements to increase user confidence and operational efficiency.
November 2025
October 2025
4 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary for ava-labs/core-extension: Delivered a set of user-facing features and stability fixes that directly enhance balance accuracy, onboarding experience, and network UX. The work improved trust and usability while maintaining a strong focus on core product goals and performance.
October 2025
4 Commits • 3 Features
Oct 1, 2025October 2025 monthly summary for ava-labs/core-extension: Delivered a set of user-facing features and stability fixes that directly enhance balance accuracy, onboarding experience, and network UX. The work improved trust and usability while maintaining a strong focus on core product goals and performance.
September 2025
1 Commits • 1 Features
Sep 1, 2025In Sep 2025, delivered Multi-Network Token Management in ava-labs/core-extension, enabling users to add, view, and manage custom tokens across networks. The portfolio section was refactored to include dedicated token-management and add-token pages, with improvements to the page component and token selection hooks. No major bugs fixed this month; QA continued with cross-network token handling focus. Impact: boosted user onboarding and visibility of cross-network assets, reducing friction and increasing engagement and retention. Technologies/skills demonstrated: React frontend with hooks, modular refactoring, cross-network data handling, and code quality improvements as evidenced by the commit e640120b088ac5a0c1032d19b7618e297efb3091 ("[NEXT-GEN] CP-11850 Token Management (#407)").
1 Commits • 1 Features
Sep 1, 2025In Sep 2025, delivered Multi-Network Token Management in ava-labs/core-extension, enabling users to add, view, and manage custom tokens across networks. The portfolio section was refactored to include dedicated token-management and add-token pages, with improvements to the page component and token selection hooks. No major bugs fixed this month; QA continued with cross-network token handling focus. Impact: boosted user onboarding and visibility of cross-network assets, reducing friction and increasing engagement and retention. Technologies/skills demonstrated: React frontend with hooks, modular refactoring, cross-network data handling, and code quality improvements as evidenced by the commit e640120b088ac5a0c1032d19b7618e297efb3091 ("[NEXT-GEN] CP-11850 Token Management (#407)").
September 2025
August 2025
4 Commits • 4 Features
Aug 1, 2025August 2025 — Core extension (ava-labs/core-extension): Delivered four NextGen features with a strong focus on security, UX, and maintainability. Implemented key wallet settings capabilities and refactors to enable future velocity. Emphasized secure handling of sensitive data and multi-stage flows for critical operations.
August 2025
4 Commits • 4 Features
Aug 1, 2025August 2025 — Core extension (ava-labs/core-extension): Delivered four NextGen features with a strong focus on security, UX, and maintainability. Implemented key wallet settings capabilities and refactors to enable future velocity. Emphasized secure handling of sensitive data and multi-stage flows for critical operations.
July 2025
11 Commits • 4 Features
Jul 1, 2025July 2025—Core Extension delivered four NextGen features that enhance usability, performance, and scalability. Key features: Account Management Overhaul (view/rename/remove accounts, bulk removal, wallet integration) with UI simplifications; Avatar Persistence and System Enhancements (persistent avatars, centralized loading) improving consistency and load times; Core Extension View Mode Switching (floating vs side-panel UI with onboarding integration); Portfolio Page Overhaul (zero-state, header refactor, route restructuring, scaffolding for assets, collectibles, DeFi, and activity). These changes provide a streamlined workflow, faster interactions, and a solid foundation for future capability rollouts. Impact: improved onboarding and daily workflows, reduced UI friction, and a scalable architecture for NextGen features. Technologies/skills: NextGen UI patterns, persistent storage and caching, centralized loading providers, UI view-mode architecture, route/state restructuring, and onboarding integration.
11 Commits • 4 Features
Jul 1, 2025July 2025—Core Extension delivered four NextGen features that enhance usability, performance, and scalability. Key features: Account Management Overhaul (view/rename/remove accounts, bulk removal, wallet integration) with UI simplifications; Avatar Persistence and System Enhancements (persistent avatars, centralized loading) improving consistency and load times; Core Extension View Mode Switching (floating vs side-panel UI with onboarding integration); Portfolio Page Overhaul (zero-state, header refactor, route restructuring, scaffolding for assets, collectibles, DeFi, and activity). These changes provide a streamlined workflow, faster interactions, and a solid foundation for future capability rollouts. Impact: improved onboarding and daily workflows, reduced UI friction, and a scalable architecture for NextGen features. Technologies/skills: NextGen UI patterns, persistent storage and caching, centralized loading providers, UI view-mode architecture, route/state restructuring, and onboarding integration.
July 2025
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 Monthly Summary for ava-labs/core-extension focused on delivering a cohesive Unified Account Management UX and supporting UX/UI improvements for multi-network workflows. Key work centered on consolidating account management flows, enabling quick account switching, detailed account insights, and a more robust QR code UI for multi-network usage.
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 Monthly Summary for ava-labs/core-extension focused on delivering a cohesive Unified Account Management UX and supporting UX/UI improvements for multi-network workflows. Key work centered on consolidating account management flows, enabling quick account switching, detailed account insights, and a more robust QR code UI for multi-network usage.
Activity
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Quality Metrics
Correctness90.2%
Maintainability85.6%
Architecture86.2%
Performance82.6%
AI Usage33.8%
Skills & Technologies
Programming Languages
CSSHTMLJSONJavaScriptSVGTypeScriptYAMLtsx
Technical Skills
API DevelopmentAPI integrationComponent ArchitectureComponent DesignComponent DevelopmentComponent Library IntegrationContext APIDevOpsError HandlingForm HandlingFront End DevelopmentFront-end DevelopmentFrontend DevelopmentFull Stack DevelopmentGitHub Actions
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