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Onur Fesci

PROFILE

Onur Fesci

Onur Fesci contributed to the fireflyprotocol/pro-sdk repository over four months, focusing on authentication, token management, and trading feature enhancements. He engineered robust token refresh and auto-logout mechanisms, improving authentication reliability and user experience. Using TypeScript and YAML, Onur introduced configurable time offsets for consistent timestamp handling and implemented synchronous token refresh logic to reduce race conditions and token-related failures. He also delivered Time-Weighted Average Price (TWAP) support for order management, refactored type safety in request signing, and enhanced CI/CD workflows. His work demonstrated depth in backend and SDK development, emphasizing maintainability, security, and stable release processes throughout.

Overall Statistics

Feature vs Bugs

90%Features

Repository Contributions

19Total
Bugs
1
Commits
19
Features
9
Lines of code
3,486
Activity Months4

Work History

February 2026

8 Commits • 3 Features

Feb 1, 2026

February 2026 monthly summary for fireflyprotocol/pro-sdk: TWAP support delivered, code quality and type safety improvements, and CI/CD/release process enhancements. These efforts deliver business value by enabling precise time-weighted trading strategies, reducing runtime errors through stronger typing, and ensuring stable, fast release cycles.

November 2025

4 Commits • 2 Features

Nov 1, 2025

Month: 2025-11 | Repository: fireflyprotocol/pro-sdk. Key deliverables focused on authentication reliability and API client compatibility. Implemented synchronous token refresh for expired access tokens, bound the latest access token getter across API configurations, and refined refresh handling; includes WebSocket base path improvements. Updated OpenAPI client to 0.2.12. These changes reduce token-related failures, stabilize real-time connections, and improve overall SDK reliability for production workloads.

July 2025

5 Commits • 3 Features

Jul 1, 2025

July 2025 performance for fireflyprotocol/pro-sdk focused on strengthening authentication resilience, ensuring time-consistent operations, and aligning release baselines. Delivered token management enhancements with consumer-facing notifications, introduced a configurable signedAtMillis time offset for reliable time calculations, and completed release versioning updates to align SDKs, all contributing to improved reliability, security, and developer experience.

April 2025

2 Commits • 1 Features

Apr 1, 2025

In April 2025, delivered critical authentication enhancements and routine dependency maintenance for fireflyprotocol/pro-sdk, strengthening security, reliability, and developer experience. Focused on token lifecycle management and keeping dependencies up-to-date to support ongoing product stability and faster delivery. Key outcomes include improved token refresh handling and an auto-logout mechanism, plus a TypeScript dependency upgrade to ensure compatibility with newer libraries.

Activity

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Quality Metrics

Correctness95.4%
Maintainability92.6%
Architecture92.6%
Performance92.6%
AI Usage25.2%

Skills & Technologies

Programming Languages

JSONTypeScriptYAML

Technical Skills

API DevelopmentAPI IntegrationAPI integrationAuthenticationCI/CDContinuous IntegrationDependency ManagementDevOpsGitHub ActionsSDK DevelopmentSDK ManagementSecuritySoftware ArchitectureToken ManagementTypeScript

Repositories Contributed To

1 repo

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

fireflyprotocol/pro-sdk

Apr 2025 Feb 2026
4 Months active

Languages Used

TypeScriptJSONYAML

Technical Skills

API IntegrationAuthenticationDependency ManagementSDK DevelopmentToken ManagementSDK Management