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Dmytro Krutii

PROFILE

Dmytro Krutii

Dmytro Krutii developed and enhanced backend systems across several folio-org repositories, focusing on robust data import, audit, and access control workflows. He implemented MARC audit subsystems in mod-audit, integrating Kafka-driven event handling and REST APIs for granular history tracking, while refining diff logic for accurate change detection. In mod-inventory and mod-source-record-manager, he improved security and error handling for item management and MARC record processing. Dmytro also expanded automated test coverage in folio-integration-tests using Java, Karate DSL, and SQL, enabling end-to-end validation of MARC data flows. His work demonstrated depth in API development, event-driven architecture, and backend reliability.

Overall Statistics

Feature vs Bugs

76%Features

Repository Contributions

22Total
Bugs
4
Commits
22
Features
13
Lines of code
5,793
Activity Months7

Work History

May 2025

1 Commits • 1 Features

May 1, 2025

In May 2025, delivered a major enhancement to the MARC data import testing framework within folio-org/folio-integration-tests, enabling end-to-end orchestration of MARC record creation, updates, and verification for repeatable (250) and non-repeatable (245) fields. The work included setting up necessary profiles, importing test files, and verifying outcomes via job logs and direct record retrieval. A test fix (FAT-19391) was implemented to stabilize the Data-Import bib records feature. This effort increased test coverage, reliability, and maintainability, reducing time to validate MARC data flows and increasing confidence in production deployments.

April 2025

2 Commits • 2 Features

Apr 1, 2025

April 2025 monthly summary focusing on key accomplishments across two core repositories. Delivered security and data-processing improvements with clear business value, driving safer item management and more robust MARC record workflows.

March 2025

4 Commits • 2 Features

Mar 1, 2025

March 2025 performance summary: Implemented MARC audit subsystem upgrade in folio-org/mod-audit and expanded automated testing across folio-org/folio-integration-tests. Key features delivered include ChangeRecordDto integration for MARC diff differences and refined diff logic to ignore system-generated 999 fields when the indicator is 'ff'. Added Karate-based MARC Audit History tests for MARC Bib and MARC Authority and updated integration test configurations to include necessary modules and permissions. This work improves audit accuracy, traceability, and CI readiness. Technologies demonstrated include ChangeRecordDto adoption, DAO/Service mapping adjustments, MARC diff detection refinements, Karate-based automated testing, and integration-test configuration management.

February 2025

6 Commits • 3 Features

Feb 1, 2025

February 2025: Delivered key MARC Audit enhancements in folio-org/mod-audit, driving data integrity, API visibility, and operational resilience. Implemented domain-event ingestion with Kafka, idempotent migrations, and a robust audit data layer; added a MARC Audit History API for entity-level history with totalRecord support; improved diff representation and handling of repeatable MARC fields for accurate change tracking.

January 2025

3 Commits

Jan 1, 2025

January 2025 monthly summary focusing on reliability improvements and API robustness across three core repositories. Delivered focused bug fixes and targeted test updates that reduce runtime risk, improve client feedback, and strengthen the CI validation gate. The work enhances data import stability, ensures correct HTTP error signaling for ownership operations, and aligns integration tests with real-world error scenarios. Overall impact highlights include reduced import stalls, clearer contract signaling for API clients, and a stronger quality bar through updated tests across the mod-source-record-manager, mod-inventory, and folio-integration-tests repositories. Technologies and skills demonstrated include robust error handling patterns, HTTP status semantics (400 Bad Request), test-driven development, and cross-repo integration testing, with a focus on business value and maintainable code improvements.

December 2024

5 Commits • 5 Features

Dec 1, 2024

December 2024 highlights across folio-org modules, delivering system user context and robust logging controls across core services, enhanced event publishing reliability, and hardened data import workflows. Key features include: (1) System User Context Support in Eureka at folio-org/mod-source-record-storage, enabling elevated-privilege operations via doRequestWithSystemUser and dynamic log level configuration; (2) Kafka Event Publishing improvements in data-import-processing-core, adding userId to event headers and implementing null-token safety to prevent publish failures; (3) Enhanced data import with System User Context and logging controls in mod-inventory, including permission assignments and conditional token usage; (4) System User Context for invoice creation during data import in mod-invoice, with updated documentation; (5) System User permissions and Okapi header handling adjustments in mod-orders, complemented by unit tests. These changes collectively improve security, traceability, configurability, and resilience of critical data flows, while simplifying permission management and reducing operational risk.

October 2024

1 Commits

Oct 1, 2024

Concise monthly summary for 2024-10 focused on the folio-org/ui-inventory module. The primary outcome this month was enabling SRS matching in the Inventory UI by fixing the backend permission gap and updating the release notes.

Activity

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Quality Metrics

Correctness89.2%
Maintainability87.4%
Architecture86.0%
Performance78.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

GherkinJavaJavaScriptMarkdownPropertiesRAMLSQL

Technical Skills

API DevelopmentAPI IntegrationAPI SecurityAPI TestingBackend DevelopmentBehavior Driven Development (BDD)Configuration ManagementData AuditingData ImportData ModelingData ProcessingDatabase InteractionDatabase ManagementDatabase MigrationError Handling

Repositories Contributed To

9 repos

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

folio-org/mod-audit

Feb 2025 Mar 2025
2 Months active

Languages Used

JavaJavaScriptRAMLSQL

Technical Skills

API DevelopmentBackend DevelopmentData AuditingDatabase InteractionDatabase ManagementDatabase Migration

folio-org/folio-integration-tests

Jan 2025 May 2025
3 Months active

Languages Used

GherkinJava

Technical Skills

API TestingIntegration TestingBehavior Driven Development (BDD)GherkinKarate DSLTest Automation

folio-org/mod-inventory

Dec 2024 Apr 2025
3 Months active

Languages Used

JavaProperties

Technical Skills

API IntegrationBackend DevelopmentJavaSystem ConfigurationAPI DevelopmentError Handling

folio-org/mod-source-record-manager

Jan 2025 Apr 2025
2 Months active

Languages Used

Java

Technical Skills

Backend DevelopmentAPI DevelopmentData ProcessingJava

folio-org/ui-inventory

Oct 2024 Oct 2024
1 Month active

Languages Used

Markdown

Technical Skills

Configuration Management

folio-org/mod-source-record-storage

Dec 2024 Dec 2024
1 Month active

Languages Used

JavaProperties

Technical Skills

API IntegrationBackend DevelopmentJavaSystem Configuration

folio-org/data-import-processing-core

Dec 2024 Dec 2024
1 Month active

Languages Used

Java

Technical Skills

API IntegrationBackend DevelopmentEvent-Driven ArchitectureKafka

folio-org/mod-invoice

Dec 2024 Dec 2024
1 Month active

Languages Used

Java

Technical Skills

API IntegrationBackend DevelopmentJava

folio-org/mod-orders

Dec 2024 Dec 2024
1 Month active

Languages Used

JavaMarkdown

Technical Skills

API DevelopmentBackend DevelopmentJavaKafkaUnit Testing

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