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Mario

PROFILE

Mario

Mario Dimitrov developed and enhanced core features for the hiero-ledger/hiero-sdk-js and hiero-ledger/hiero-sdk-tck repositories, focusing on Hedera network integrations and robust backend systems. He delivered new endpoints for account, contract, and file queries, expanded smart contract and Ethereum transaction support, and improved test automation and CI/CD reliability. Using TypeScript, JavaScript, and Solidity, Mario implemented comprehensive end-to-end and unit tests, harmonized data models across SDKs, and introduced parallel and cross-SDK testing infrastructure. His work emphasized API design, backend development, and documentation, resulting in deeper test coverage, improved data consistency, and accelerated integration workflows for Hedera-based applications.

Overall Statistics

Feature vs Bugs

95%Features

Repository Contributions

68Total
Bugs
2
Commits
68
Features
38
Lines of code
168,977
Activity Months9

Work History

March 2026

6 Commits • 2 Features

Mar 1, 2026

March 2026 performance summary focused on delivering cross-SDK data consistency, strengthening testing infrastructure, and expanding CI automation across hiero-ledger repositories. Key work delivered direct business value by improving contract data reliability, enabling safer data integrations, and accelerating feedback through robust cross-SDK testing.

February 2026

8 Commits • 4 Features

Feb 1, 2026

February 2026: Key Hedera SDK improvements across TCK and JS SDKs, delivering enhanced data retrieval, token/file management, and network address book access. Consolidated info query endpoints with tests and documentation, added file contents and address book endpoints, enabled decimals in token transfers, and aligned token info formatting with Java. These changes improve data accuracy, interoperability, and developer productivity, enabling faster integrations and broader token/network data handling.

January 2026

9 Commits • 3 Features

Jan 1, 2026

January 2026 monthly summary focusing on key technical achievements and business value across the hiero-ledger SDKs. Delivered comprehensive query capabilities and improved test reliability to enable faster integrations and more reliable data retrieval for Hedera assets and metadata.

December 2025

8 Commits • 5 Features

Dec 1, 2025

December 2025 monthly summary: Delivered a suite of new account and contract query capabilities across hiero-sdk-js and hiero-sdk-tck, paired with expanded test coverage and developer documentation. These efforts enhance contract interactions, streamline account management, and improve reliability, accelerating time-to-value for customers integrating with Hedera.

November 2025

3 Commits • 3 Features

Nov 1, 2025

Monthly performance summary for 2025-11 focusing on feature delivery and testing enhancements across hiero-sdk-tck and hiero-sdk-js. Highlights include cross-repo testing improvements, CI/CD workflow upgrades, and parallel testing capabilities that accelerate validation, improve stability, and enable scalable QA.

October 2025

4 Commits • 4 Features

Oct 1, 2025

October 2025 focused on expanding Hedera SDK capabilities and strengthening test coverage to enable broader, reliable use of Hedera with asset balances and Ethereum-like transactions. Delivered new endpoints for balance queries and Ethereum transaction creation, underpinned by comprehensive tests to ensure correctness, edge-case handling, and production reliability.

September 2025

7 Commits • 5 Features

Sep 1, 2025

September 2025 monthly summary for hiero-ledger development.

August 2025

14 Commits • 6 Features

Aug 1, 2025

Monthly summary for 2025-08: Expanded test coverage and API capabilities across hiero-sdk-tck and hiero-sdk-js, delivering measurable business value through safer deployments, faster release cycles, and improved developer experience. Emphasis on test automation, API surface enrichment, and documentation to support reliable Hedera integrations.

July 2025

9 Commits • 6 Features

Jul 1, 2025

July 2025 monthly summary focusing on delivered features across hiero-sdk-tck and hiero-sdk-js, major fixes in testing coverage, and value delivered to product reliability and developer velocity. Highlights include end-to-end testing expansion for topic lifecycle and file operations, test-driven quality improvements, and alignment of the Test Kit with new functionality.

Activity

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Quality Metrics

Correctness95.2%
Maintainability89.2%
Architecture92.6%
Performance86.4%
AI Usage23.0%

Skills & Technologies

Programming Languages

DockerfileJSONJavaScriptMarkdownSolidityTypeScriptYAML

Technical Skills

API DesignAPI DevelopmentAPI TestingAPI developmentAPI integrationAPI testingBackend DevelopmentBackend developmentCI/CDCode QualityConfigurationContinuous IntegrationContract DevelopmentDevOpsDocker

Repositories Contributed To

2 repos

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

hiero-ledger/hiero-sdk-tck

Jul 2025 Mar 2026
9 Months active

Languages Used

JavaScriptMarkdownTypeScriptSolidityYAMLJSONDockerfile

Technical Skills

API TestingAPI testingBackend DevelopmentDocumentationEnd-to-End TestingEnd-to-end testing

hiero-ledger/hiero-sdk-js

Jul 2025 Mar 2026
9 Months active

Languages Used

JavaScriptTypeScript

Technical Skills

API DevelopmentAPI developmentBackend developmentCode QualityConfigurationFull stack development