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Srdjan

PROFILE

Srdjan

Over five months, contributed to FilOzone repositories by building and refining backend and blockchain features using Solidity and TypeScript. Developed independent CDN termination in filecoin-services, enabling compliance with sanctions and improving operational traceability. Shifted CDN billing to a usage-based model, enhancing revenue alignment and off-chain tracking. Improved code maintainability in pdp by refactoring import paths in Solidity contracts, reducing build issues. Integrated FilBeam Quota API into synapse-sdk, allowing users to monitor egress quotas with validated responses. Enhanced robustness in FilecoinWarmStorageService by adding error handling and test coverage, ensuring reliable termination flows and greater production stability across distributed storage services.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

8Total
Bugs
1
Commits
8
Features
4
Lines of code
2,839
Activity Months5

Work History

January 2026

1 Commits

Jan 1, 2026

January 2026 monthly summary for FilOzone/filecoin-services: Implemented robustness improvements to the FilecoinWarmStorageService termination flow and expanded test coverage to validate behavior after external termination of CDN rails, enhancing reliability and resilience in production.

December 2025

1 Commits • 1 Features

Dec 1, 2025

Concise monthly summary for 2025-12 focusing on delivered features, impact, and technical achievements for FilOzone/synapse-sdk.

November 2025

1 Commits • 1 Features

Nov 1, 2025

November 2025 monthly summary for FilOzone/pdp. Focus this month was targeted code hygiene improvements to reduce maintenance overhead and improve reliability across environments. Delivered a codebase refactor in PDPVerifier.sol to use absolute import paths via remappings, replacing existing relative imports. This change enhances clarity, reduces import-related issues, and lays groundwork for scalable import management as the project grows.

October 2025

3 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for FilOzone/filecoin-services: Implemented a unified shift to usage-based CDN payments and pricing across CDN and cache-miss rails, including usage-based payment methods, default lockup amounts, and refactored error handling and event emissions. Extended pricing to support egress-based charges and simplified rate calculations to reflect ongoing usage rather than subscriptions, enabling more accurate billing and improved off-chain tracking. This work enhances revenue integrity, scalability of pricing, and observability of billing workflows.

September 2025

2 Commits • 1 Features

Sep 1, 2025

Concise monthly summary for 2025-09 focusing on FilCDN termination capability in FilOzone/filecoin-services, with traceable commits and clear business impact.

Activity

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Quality Metrics

Correctness95.0%
Maintainability91.2%
Architecture92.6%
Performance85.0%
AI Usage22.6%

Skills & Technologies

Programming Languages

SolidityTypeScript

Technical Skills

API DevelopmentBackend DevelopmentBlockchainBlockchain DevelopmentError HandlingEvent HandlingPayment SystemsPricing ModelsSmart Contract DevelopmentSmart Contract TestingSmart ContractsSoliditySolidity DevelopmentTestingTypeScript

Repositories Contributed To

3 repos

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

FilOzone/filecoin-services

Sep 2025 Jan 2026
3 Months active

Languages Used

SolidityTypeScript

Technical Skills

Backend DevelopmentBlockchain DevelopmentSmart Contract DevelopmentSmart ContractsSolidityBlockchain

FilOzone/pdp

Nov 2025 Nov 2025
1 Month active

Languages Used

Solidity

Technical Skills

Solidityblockchain developmentsmart contract development

FilOzone/synapse-sdk

Dec 2025 Dec 2025
1 Month active

Languages Used

TypeScript

Technical Skills

API DevelopmentError HandlingTestingTypeScript