
Roman Fedko developed a suite of mathematical utilities and robust API features across the UA-1378-TAQC/codeWars1378 and UA-1378-TAQC/GreenCity repositories. He engineered algorithms for geometry, numeric conversions, and statistical analysis in Java, emphasizing data accuracy and maintainability through code refactoring and comprehensive unit testing. In GreenCity, he delivered an Event Management API with endpoints for event and comment operations, ensuring reliability via JSON schema validation and end-to-end API testing using Python and Pytest. His work demonstrated depth in backend development, focusing on practical business needs, strong test coverage, and seamless integration for both internal and external consumers.

May 2025 monthly summary for UA-1378-TAQC/GreenCity: Delivered the Event Management API and Comments feature with endpoints to create, retrieve, and delete events, plus support for posting comments. Implemented robust API testing including negative tests, a fixture for creating events, and schema validation for error responses. Verified that newly created events appear in the all-events list, ensuring end-to-end integrity. The work reflects a strong emphasis on reliability, test coverage, and practical business value, enabling front-end and external integrations with minimal risk.
May 2025 monthly summary for UA-1378-TAQC/GreenCity: Delivered the Event Management API and Comments feature with endpoints to create, retrieve, and delete events, plus support for posting comments. Implemented robust API testing including negative tests, a fixture for creating events, and schema validation for error responses. Verified that newly created events appear in the all-events list, ensuring end-to-end integrity. The work reflects a strong emphasis on reliability, test coverage, and practical business value, enabling front-end and external integrations with minimal risk.
April 2025 monthly summary for UA-1378-TAQC/codeWars1378: Delivered a focused set of utilities and math helpers that enhance user value, reliability, and maintainability. Emphasis on robust numeric handling, geometry and unit conversion capabilities, and expanded test coverage to reduce defect leakage. Major bug fix improved correctness of square root behavior across calculations. Overall, increased feature reach, improved data accuracy, and stronger code quality drive business value and long-term stability.
April 2025 monthly summary for UA-1378-TAQC/codeWars1378: Delivered a focused set of utilities and math helpers that enhance user value, reliability, and maintainability. Emphasis on robust numeric handling, geometry and unit conversion capabilities, and expanded test coverage to reduce defect leakage. Major bug fix improved correctness of square root behavior across calculations. Overall, increased feature reach, improved data accuracy, and stronger code quality drive business value and long-term stability.
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