
Faisal Usmani engineered robust cross-chain infrastructure for the across-protocol/contracts repository, focusing on smart contract deployment, upgradeability, and network integration. He streamlined deployment workflows by automating constants management and introducing multi-network support, including HyperEVM and Plasma, while enhancing security through OpenZeppelin upgrades and Solidity refactoring. Faisal migrated test suites to Foundry, modernized tooling with TypeChain, and improved developer experience by refining documentation and pre-commit checks. Leveraging Solidity, TypeScript, and Node.js, he addressed concurrency, configuration, and asset integration challenges, delivering maintainable, scalable solutions. His work demonstrated depth in backend architecture, deployment automation, and continuous integration, reducing operational risk and accelerating releases.
February 2026 performance summary focusing on delivering core features, stabilizing releases, and expanding test coverage across contracts and SDK. Highlights include Perp destination DEX integration with user funds accounts and USDC deposit improvements, signature validation hardening, migration of SpokePool tests to Foundry with mocks, rework of Hardhat test structure, cleanup of obsolete SpokePool addresses, and SDK TypeChain tooling improvements with artifact management and packaging adjustments. These efforts increased security, reliability, and developer productivity, aligning with business goals of reducing risk and accelerating feature delivery.
February 2026 performance summary focusing on delivering core features, stabilizing releases, and expanding test coverage across contracts and SDK. Highlights include Perp destination DEX integration with user funds accounts and USDC deposit improvements, signature validation hardening, migration of SpokePool tests to Foundry with mocks, rework of Hardhat test structure, cleanup of obsolete SpokePool addresses, and SDK TypeChain tooling improvements with artifact management and packaging adjustments. These efforts increased security, reliability, and developer productivity, aligning with business goals of reducing risk and accelerating feature delivery.
2026-01 Monthly Summary for across-protocol/contracts focused on architectural simplification, tooling modernization, and deployment hygiene to reduce risk and accelerate release cadence. Achievements include removing obsolete adapters and deployment scripts, migrating to Foundry with Typechain, establishing Claude integration scaffolding, and tightening address constants with enhanced pre-tool safeguards.
2026-01 Monthly Summary for across-protocol/contracts focused on architectural simplification, tooling modernization, and deployment hygiene to reduce risk and accelerate release cadence. Achievements include removing obsolete adapters and deployment scripts, migrating to Foundry with Typechain, establishing Claude integration scaffolding, and tightening address constants with enhanced pre-tool safeguards.
December 2025 (Month: 2025-12) monthly summary for across-protocol/contracts. Delivered three core capabilities with a focus on deployment reliability, asset integration, and external-facing documentation. Implementations reduce deployment friction, prevent contract naming conflicts, and extend asset support, driving faster onboarding of new chains and liquidity sources while improving traceability for operators and auditors. Technologies demonstrated include Solidity-based contract changes, deployment tooling updates, interface design (ICoreDepositWallet), constants management, and documentation/tests enhancements.
December 2025 (Month: 2025-12) monthly summary for across-protocol/contracts. Delivered three core capabilities with a focus on deployment reliability, asset integration, and external-facing documentation. Implementations reduce deployment friction, prevent contract naming conflicts, and extend asset support, driving faster onboarding of new chains and liquidity sources while improving traceability for operators and auditors. Technologies demonstrated include Solidity-based contract changes, deployment tooling updates, interface design (ICoreDepositWallet), constants management, and documentation/tests enhancements.
November 2025: Delivered security and dependency improvements across the Across protocol stack, with significant refactoring and wallet integration work that enhances security, reliability, and interoperability. Key outcomes include OpenZeppelin V5 upgrade and dependencies cleanup, Spoke Pool Solidity upgrades, EIP-7702 delegated wallet support, and SDK/Contracts version bumps for Relayer compatibility. These efforts reduce risk, improve maintainability, and position the platform for zkSync eraVM integration and broader ecosystem adoption.
November 2025: Delivered security and dependency improvements across the Across protocol stack, with significant refactoring and wallet integration work that enhances security, reliability, and interoperability. Key outcomes include OpenZeppelin V5 upgrade and dependencies cleanup, Spoke Pool Solidity upgrades, EIP-7702 delegated wallet support, and SDK/Contracts version bumps for Relayer compatibility. These efforts reduce risk, improve maintainability, and position the platform for zkSync eraVM integration and broader ecosystem adoption.
Concise monthly summary for Oct 2025 (across-protocol/contracts). Highlights include delivering upgradeable and hardened infrastructure, improving CI efficiency, and upgrading dependencies to boost stability and velocity. The work emphasizes business value through safer upgrades, cross-network consistency, faster feedback loops, and reduced maintenance overhead.
Concise monthly summary for Oct 2025 (across-protocol/contracts). Highlights include delivering upgradeable and hardened infrastructure, improving CI efficiency, and upgrading dependencies to boost stability and velocity. The work emphasizes business value through safer upgrades, cross-network consistency, faster feedback loops, and reduced maintenance overhead.
September 2025 performance summary focusing on automation, cross-network deployment capabilities, verification workflows, and release stability across across-protocol repositories. Delivered centralized constants management, multi-network SpokePool deployment, Plasma integration, Etherscan V2 verification, deployment documentation, and reinforced release processes. These efforts reduce manual config errors, accelerate cross-chain deployments, and improve developer productivity and product reliability.
September 2025 performance summary focusing on automation, cross-network deployment capabilities, verification workflows, and release stability across across-protocol repositories. Delivered centralized constants management, multi-network SpokePool deployment, Plasma integration, Etherscan V2 verification, deployment documentation, and reinforced release processes. These efforts reduce manual config errors, accelerate cross-chain deployments, and improve developer productivity and product reliability.
Monthly summary for 2025-08: Across-protocol delivered a balanced mix of reliability improvements, modularity enhancements, deployment tooling, and developer experience gains across sdk, relayer, and contracts. The month focused on reducing race conditions, improving cross-instance communication, and tightening deployment/configuration workflows to accelerate delivery and improve production stability.
Monthly summary for 2025-08: Across-protocol delivered a balanced mix of reliability improvements, modularity enhancements, deployment tooling, and developer experience gains across sdk, relayer, and contracts. The month focused on reducing race conditions, improving cross-instance communication, and tightening deployment/configuration workflows to accelerate delivery and improve production stability.
July 2025 performance highlights across across-protocol repositories. Delivered foundational Pub/Sub enhancements and caching-layer consolidation in the SDK, implemented robust proposer handover with Redis pub/sub in the relayer, and fixed a critical Zora explorer URL bug to ensure reliable access to transaction details. The work improves reliability of network data, enables scalable publish-subscribe messaging, and reduces the risk of concurrency-related collisions while maintaining a clean, maintainable codebase.
July 2025 performance highlights across across-protocol repositories. Delivered foundational Pub/Sub enhancements and caching-layer consolidation in the SDK, implemented robust proposer handover with Redis pub/sub in the relayer, and fixed a critical Zora explorer URL bug to ensure reliable access to transaction details. The work improves reliability of network data, enables scalable publish-subscribe messaging, and reduces the risk of concurrency-related collisions while maintaining a clean, maintainable codebase.
June 2025 monthly summary for across-protocol repositories, highlighting features delivered, bugs fixed, and overall impact with a focus on business value and technical achievements across both sdk and relayer repositories. Key deliverables and improvements: - across-protocol/sdk: - Robust SVM Event Data Handling: Refactored to Uint8Array for event parsing, hexlify outputs via ethers.utils.hexlify, and added tests validating unwrapping of deposit event data including message fields. Commit: a667f2277169e3a24f5e2b7c4149e4ba436f9e9d. - SDK Error Handling: Viem Error Type Guard added to enable precise error handling for Viem-origin errors. Commit: 1e84b03988cc0b7832b226695860d4b1e6d2bee1. - Developer Workflow Enhancement: yalc Watcher to automatically push local changes, streamlining development workflow. Commit: 9ef36b708e6a8b0b278abe9ce65d2ab210144f7e. - Release Management: SDK Version Bump to prepare for release (no functional changes). Commit: 7c98cff49758efb107b5afe6197319a4ea2e0213. - across-protocol/relayer: - Developer Tooling: Local SDK Management with yalc, including install/publish/link steps and link management; and formatting considerations for markdown files. Commit: 951575c4b28b4131e8bb3db60c39a248abd75dd1. - Monitoring Enhancement: Binance withdrawal threshold alerts with distinction between warning and critical levels for granular monitoring. Commit: 492f34fd1dc269eaa81e330cee9ed4bda9fef5d5. - Relayer Robustness: Error handling improvements and logging fixes: - Treat certain fillRelay revert errors as warnings to avoid unnecessary outages. Commit: 88a964e1861e89eef264efc8cc206ec04c2337f1. - Fix cross-decimal token logging by using ConvertDecimals to adjust input amounts before fee calculation for accurate logs. Commit: 0246b317658889dd9fa1ee0c54d8bad41b1b557b. Overall impact and accomplishments: - Strengthened reliability and observability across the SDK and relayer layers, reducing failure modes related to event parsing, error handling, and logging. - Accelerated local development and release readiness through yalc-based workflows and explicit version management. - Enhanced monitoring with granular Binance withdrawal alerts, enabling proactive operational responses. Technologies and skills demonstrated: - TypeScript/JavaScript, Uint8Array handling, and data encoding with ethers.js hexlify. - Viem error typing and robust error guards for precise failure diagnosis. - yalc-based development workflows, local package management, and release processes. - ConvertDecimals-based logging corrections for cross-decimal tokens.
June 2025 monthly summary for across-protocol repositories, highlighting features delivered, bugs fixed, and overall impact with a focus on business value and technical achievements across both sdk and relayer repositories. Key deliverables and improvements: - across-protocol/sdk: - Robust SVM Event Data Handling: Refactored to Uint8Array for event parsing, hexlify outputs via ethers.utils.hexlify, and added tests validating unwrapping of deposit event data including message fields. Commit: a667f2277169e3a24f5e2b7c4149e4ba436f9e9d. - SDK Error Handling: Viem Error Type Guard added to enable precise error handling for Viem-origin errors. Commit: 1e84b03988cc0b7832b226695860d4b1e6d2bee1. - Developer Workflow Enhancement: yalc Watcher to automatically push local changes, streamlining development workflow. Commit: 9ef36b708e6a8b0b278abe9ce65d2ab210144f7e. - Release Management: SDK Version Bump to prepare for release (no functional changes). Commit: 7c98cff49758efb107b5afe6197319a4ea2e0213. - across-protocol/relayer: - Developer Tooling: Local SDK Management with yalc, including install/publish/link steps and link management; and formatting considerations for markdown files. Commit: 951575c4b28b4131e8bb3db60c39a248abd75dd1. - Monitoring Enhancement: Binance withdrawal threshold alerts with distinction between warning and critical levels for granular monitoring. Commit: 492f34fd1dc269eaa81e330cee9ed4bda9fef5d5. - Relayer Robustness: Error handling improvements and logging fixes: - Treat certain fillRelay revert errors as warnings to avoid unnecessary outages. Commit: 88a964e1861e89eef264efc8cc206ec04c2337f1. - Fix cross-decimal token logging by using ConvertDecimals to adjust input amounts before fee calculation for accurate logs. Commit: 0246b317658889dd9fa1ee0c54d8bad41b1b557b. Overall impact and accomplishments: - Strengthened reliability and observability across the SDK and relayer layers, reducing failure modes related to event parsing, error handling, and logging. - Accelerated local development and release readiness through yalc-based workflows and explicit version management. - Enhanced monitoring with granular Binance withdrawal alerts, enabling proactive operational responses. Technologies and skills demonstrated: - TypeScript/JavaScript, Uint8Array handling, and data encoding with ethers.js hexlify. - Viem error typing and robust error guards for precise failure diagnosis. - yalc-based development workflows, local package management, and release processes. - ConvertDecimals-based logging corrections for cross-decimal tokens.
December 2024 focused on stability and reliability improvements in graph-tooling. Delivered a critical bug fix to the base64 encoding utility used by the Arweave subgraph sample, increasing encoding correctness across edge cases and reducing risk of downstream data inconsistencies.
December 2024 focused on stability and reliability improvements in graph-tooling. Delivered a critical bug fix to the base64 encoding utility used by the Arweave subgraph sample, increasing encoding correctness across edge cases and reducing risk of downstream data inconsistencies.

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