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Artur Sapek

PROFILE

Artur Sapek

Art contributed to the Wormhole Foundation’s wormhole-connect and wormhole-sdk-ts repositories, building robust cross-chain token bridging and wallet integration features. He engineered solutions for efficient token balance retrieval, multi-provider routing, and seamless EVM wallet support, using TypeScript, React, and Node.js. Art’s work included integrating providers like LiFi and Monad, optimizing caching and state management, and refining UI/UX for asset selection and transfer flows. He addressed performance bottlenecks by batching API calls and leveraging indexer services, while maintaining code quality through modularization and comprehensive documentation. Art’s engineering demonstrated depth in blockchain development, backend integration, and frontend reliability across complex systems.

Overall Statistics

Feature vs Bugs

57%Features

Repository Contributions

120Total
Bugs
36
Commits
120
Features
48
Lines of code
108,967
Activity Months12

Work History

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for wormhole-connect. Key deliverable: Monad Bridge Integration enabling Monad cross-chain token transfers within Wormhole Connect. Implemented configuration updates, route definitions, and UI recognitions for Monad tokens and RPCs within the bridging infrastructure. Commit associated with this work: 3dddb213c9217a81f2b8aadca12f2c136d83348c (feat: monad bridge #3725).

September 2025

1 Commits • 1 Features

Sep 1, 2025

Delivered LiFi Route cross-chain bridging integration in Wormhole Connect, expanding provider options and cross-chain liquidity. Updated route definitions, quote fetching hooks, and UI to surface LiFi as a provider. No major bugs reported. Impact: broader interoperability, faster time-to-value for users, and potential increase in cross-chain transactions.

August 2025

2 Commits • 1 Features

Aug 1, 2025

August 2025 monthly summary focusing on key accomplishments, major bugs fixed, and the technologies demonstrated across Wormhole Connect and Wormhole SDK TS. Emphasis on business value, data correctness, and multi-provider routing capabilities.

July 2025

10 Commits • 7 Features

Jul 1, 2025

July 2025 monthly summary: Delivered stability, UX, and compliance improvements across wormhole-connect and wormhole-sdk-ts, driving reliability, faster UI feedback, and clearer routing. Key achievements include dependency clean-up and deprecated chain removal, WalletConnect/EVM stability upgrade, targeted spam-filter gating on Mainnet to preserve visibility on other networks, UX and performance refinements for balances and quotes, and SDK enhancements for explicit sender context and ETH balance accuracy.

June 2025

10 Commits • 5 Features

Jun 1, 2025

June 2025 monthly summary: Delivered key features and reliability improvements across wormhole-connect and wormhole-sdk-ts, emphasizing business value, performance, and developer experience. Highlights include optimized token balance fetch, indexer-based balance retrieval, configurable localStorage namespaces, UX improvements for asset/token selection, and project hygiene enhancements to CI/build processes and project structure.

May 2025

27 Commits • 15 Features

May 1, 2025

May 2025 monthly summary for the Wormhole Foundation development teams (SDK TS and Connect). The month centered on delivering a high-impact feature, stabilizing and upgrading core dependencies, and improving data quality, performance, and developer experience. Key outcomes include a GraphQL-based bulk balance retrieval feature for Aptos wallets, SDK/library upgrades to reduce bundle size and enable TTLs, targeted UI/data refinements, and comprehensive documentation updates. These efforts jointly increased data accuracy, reduced runtime costs, and accelerated user-facing quote flows across multiple networks.

April 2025

17 Commits • 7 Features

Apr 1, 2025

April 2025 highlights: Delivered a robust EVM wallet integration and chain-switching overhaul across wormhole-connect, with signer caching consolidated into EvmSignerCache, removal of legacy MultiProvider, streamlined chain-switch logic, and lazy-loading of token metadata to improve initial load times. Implemented WETH RPC efficiency fixes and enhanced EVM platform reliability by caching JsonRpcProvider instances with chainId and hardcoding WETH contract addresses across mainnet and testnets to minimize unnecessary RPC calls. Introduced Quote Expiration System for all transfer protocols (5 minutes for automatic transfers, 24 hours for manual transfers) with supporting time utilities and tests, coupled with robust caching and error handling for quotes. Stabilized transfer/config flows to prevent infinite loops and ensured transfer inputs reset correctly on config changes. Improved project structure and token handling: modular exports to reduce bundle size, clearer token matching across chain switches, and added explicit Sui validation guards before token address validation. Overall, these changes reduce latency, improve reliability, lower operational risk, and deliver clearer, faster UX for cross-chain transfers.

March 2025

10 Commits

Mar 1, 2025

February 2025? No, 2025-03 monthly summary focusing on Wormhole Connect: Delivered stability and UX improvements across wallet connection, address interactions, input state, and SSR/config loading. Strengthened error handling and logging to enable faster debugging and safer deployments.

February 2025

15 Commits • 4 Features

Feb 1, 2025

February 2025 monthly summary: Delivered notable features across three repos, improved reliability and performance, and advanced UX for end users. Key focus areas included integrating CoinGecko data, UI/UX polish, token fetch optimization, React 19 compatibility, Hyperliquid chain support, and provider-aware routing improvements. These efforts reduced API load, enhanced developer experience, and positioned the platform for scalable, robust crypto data workflows.

January 2025

10 Commits • 3 Features

Jan 1, 2025

January 2025 performance focused on enabling safer cross-chain token interactions, expanding asset support, and improving operational efficiency across wormhole-sdk-ts and wormhole-connect. Delivered concrete business value by hardening asset configuration, reducing log noise, and optimizing data retrieval and API usage, while maintaining cross-network reliability for token transfers.

December 2024

5 Commits • 1 Features

Dec 1, 2024

December 2024: Delivered reliability improvements and compliance updates across core repositories, driving reduced production risk and smoother CI cycles. Key features delivered include robust address handling and token address comparisons in the TypeScript SDK, and foundational maintenance in wormhole-connect to enhance stability and governance alignment. Major bugs fixed include the infinite loop risk in address parsing and the Vite-plugin-checker screen-clearing issue. These efforts reduce runtime errors, ensure consistent address/token handling, and strengthen governance and compliance, enabling safer cross-chain operations and faster release cadence. Technologies and skills demonstrated include TypeScript/JavaScript development, Vite tooling and plugin troubleshooting, Axios version management, CI/CD workflow updates, and repo hygiene through removal of unused imports and alignment with compliance checks.

November 2024

12 Commits • 3 Features

Nov 1, 2024

November 2024 Monthly Summary: Focused delivery across two repositories to improve route reliability, user experience, and maintainability. Delivered concrete features, fixes, and robustness improvements that reduce error surfaces, enhance business value, and prepare the ground for scalable routing capabilities.

Activity

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Quality Metrics

Correctness86.8%
Maintainability86.2%
Architecture82.8%
Performance82.8%
AI Usage23.6%

Skills & Technologies

Programming Languages

CSSGoHTMLJSONJavaScriptMarkdownSVGShellTOMLTypeScript

Technical Skills

API DesignAPI DevelopmentAPI DocumentationAPI IntegrationAddress ManagementBackend DevelopmentBlockchain DevelopmentBlockchain IntegrationBuild AutomationBuild ConfigurationBuild ToolsCI/CDCSSCachingCode Cleanup

Repositories Contributed To

3 repos

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

wormhole-foundation/wormhole-connect

Nov 2024 Oct 2025
12 Months active

Languages Used

JavaScriptShellTypeScriptCSSHTMLYAMLGoSVG

Technical Skills

Dependency ManagementFront End DevelopmentFront-end DevelopmentFrontend DevelopmentFull Stack DevelopmentJavaScript

wormhole-foundation/wormhole-sdk-ts

Nov 2024 Aug 2025
9 Months active

Languages Used

TypeScriptJavaScriptCSSHTML

Technical Skills

API DesignAPI DevelopmentBackend DevelopmentRefactoringTypeScriptBlockchain Development

XLabs/portal-bridge-ui

Feb 2025 Feb 2025
1 Month active

Languages Used

TypeScript

Technical Skills

Configuration ManagementEnvironment Variables

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