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Serhii_Nosko

PROFILE

Serhii_nosko

Serhii Nosko developed and maintained core backend features for the Folio platform, focusing on modules such as mod-orders, mod-invoice, and mod-data-export-worker. He engineered robust API endpoints and data models to support financial workflows, multi-tenancy, and export pipelines, using Java and the Spring Framework. His work included optimizing build processes, automating dependency management, and enhancing data integrity through validation and error handling. By refactoring legacy logic and introducing test automation with tools like Testcontainers, Serhii improved deployment reliability and maintainability. His technical depth is evident in cross-repo schema updates, integration testing, and the delivery of scalable, business-critical features.

Overall Statistics

Feature vs Bugs

55%Features

Repository Contributions

65Total
Bugs
25
Commits
65
Features
31
Lines of code
5,897
Activity Months13

Work History

October 2025

5 Commits • 3 Features

Oct 1, 2025

October 2025 monthly delivery highlights across three repositories. Key outcomes include faster end-user responsiveness for settings updates, enhanced order line visibility and ordering control, stabilized Mosaic integration paths, and cleaner test configurations, contributing to more reliable deployments and improved data accuracy.

September 2025

3 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary: Delivered a key feature for Purchase Orders with fiscal-year value retrieval and display, along with stabilization of integration tests. The work enhances financial data visibility across fiscal years and improves CI reliability, supporting budgeting and reporting workflows.

August 2025

7 Commits • 3 Features

Aug 1, 2025

August 2025 monthly performance summary focusing on delivering core data integrity, reliability, and multi-tenant capability across the folio ecosystem. Key features delivered and bugs fixed spanned buy-to-pay workflows, holdings management, and export pipelines, with tests and infrastructure updates to support long-term maintainability.

July 2025

14 Commits • 6 Features

Jul 1, 2025

July 2025 performance highlights focused on reliability, security, and data integrity across core modules. Key wins include automated dependency management across folio-integration-tests, mod-invoice, mod-orders-storage, and mod-orders, improved test stability, and standardized data handling. We stabilized Thunderjet Karate tests and ensured proper propagation of claiming intervals across order lines and titles, reducing flaky test runs. Implemented ISO 8601 date serialization for voucher exports, ensuring consistent data interchange. Enabled reference order templates in Settings and added support for loading sample data, accelerating configuration and onboarding. Consolidated inventory item update logic, improved receiving piece flow, and strengthened data integrity around notes and dates. Introduced a breaking-change constraint support (itemLevelCallNumberTypeId) to align with updated rules.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025: Delivered Flexible Deployment Build Optimization for the data export workflow. Refactored folio-org/mod-data-export-worker to make acquisition dependencies optional and updated the POM to exclude selected dependencies from the main build, enabling flexible deployment configurations, reducing build fragility, and accelerating release readiness. These changes align with CI/CD goals and improve maintainability across environments.

May 2025

4 Commits • 2 Features

May 1, 2025

Monthly work summary for May 2025 highlighting key accomplishments, top deliverables, and business impact across folio-org/mod-orders and folio-org/mod-orders-storage.

April 2025

7 Commits • 5 Features

Apr 1, 2025

April 2025 monthly summary: Delivered measurable business value through data integrity improvements, streamlined order workflows, and scalable template/schema updates across the acquisition and inventory domains. Achievements include cross-repo fixes for HRID matching, permissions hygiene, fiscal year/ledger consistency, and ISBN handling removal, plus multi-category template support via submodule updates. These changes reduce data errors, prevent incorrect fund distributions, minimize misconfigurations, and accelerate future feature work. Demonstrated skills in multi-ledger coordination, modular dependency management, test-driven validation, and refactoring for simplification.

March 2025

5 Commits • 3 Features

Mar 1, 2025

March 2025 Monthly Summary (2025-03) Key features delivered: - Sunflower: Acquisition models submodule reference synchronization in folio-org/mod-invoice. Updated subproject commit to align with Sunflower release, ensuring compatibility and reducing maintenance risk. Commit: cfa3813cdd6dbbdaa4202ec1de9b7823c1cd4eec. - Mod-invoice: Recalculate invoice totals when lines are added or removed (Sunflower R1 2025). Release includes Java version and dependency upgrades, with the new business rule to update invoice totals on line changes. Commit: 7b0dae66629b6e5e4fb9fc5f7a9643c47554daff. - Folio-integration-tests: Budget Management – Create Inactive Budget. Karate-based tests for creating inactive budgets (with and without allocations) and negative tests for invalid encumbrance/expenditure values; updated createBudget to accept dynamic status. Commit: 387e6f3ed24f77811c0f20f2ee90870d239f8dd2. Major bugs fixed: - User Status Consistency for Staff in Member Tenant (mod-users). Fix prevents incorrect 'Shadow' status after updates to email or first name for staff users and avoids emitting Update domain events for shadow users, ensuring downstream event publishing remains accurate. Commit: f4979dd03ef80df663f9bbd199cf315e5f525dbe. - Purchase Order: Always allow editing of closeReason by using the general protected fields list (mod-orders). Resolve a protection-outcome bug where closeReason could be incorrectly protected based on workflow status. Commit: 18e7c18302264fd0da66a3e0908fef86c5b19cf7. Overall impact and accomplishments: - Release readiness and alignment: Synchronizing acquisition model references across Sunflower-aligned modules reduces drift and simplifies cross-repo maintenance for Sunflower deployments. - Billing accuracy and resilience: Recalculating invoice totals on line changes ensures correct charges for customers and reduces post-release disputes. - Test coverage and quality: Karate-based tests for budget management expand automated coverage, enabling early detection of regressions in funding/encumbrance logic. - Reliability of user/event flows: Fixes in user status publishing and PO closeReason handling improve data integrity and downstream processing. Technologies/skills demonstrated: - Java version and dependency upgrades (Sunflower R1 2025 readiness). - Submodule synchronization and cross-repo maintenance. - Test automation with Karate for budget scenarios. - Event-driven consistency and accurate domain events in user management. - Manual and automated regression risk reduction through targeted bug fixes.

February 2025

3 Commits

Feb 1, 2025

February 2025: Delivered strategic deprecations, cleanup, and simplifications across two core Folio repositories. Key work focused on deprecating outdated core modules, removing FQM-related components, and simplifying tenancy context in orders to reduce maintenance burden, improve system coherence, and accelerate platform evolution. These changes reduce technical debt, clarify READMEs, and lay groundwork for new applications (e.g., Acquisitions) while strengthening tenancy handling.

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 monthly summary for folio-org/mod-data-export-worker: Delivered a targeted enhancement to the Claim CSV export, expanding data coverage and improving reliability. Focused on business value through richer data, stronger tests, and cleaner code for future enhancements.

December 2024

6 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary for Folio developer work across mod-data-export-worker, mod-orders, and mod-invoice. Focused on delivering business value through schema enhancements, reliability improvements, and performance optimizations, with concrete commits and repository scope.

November 2024

7 Commits • 3 Features

Nov 1, 2024

November 2024 multi-repo delivery across folio-org repositories, focusing on data reliability, cross-tenant capabilities, and enhanced observability. Highlights include hardening batch voucher exports, aligning test permissions, improving ordering workflows, and expanding EDI export coverage.

October 2024

2 Commits • 1 Features

Oct 1, 2024

October 2024 focused on stabilizing data import processing and reinforcing dependency hygiene across folio-org/mod-orders and folio-org/mod-invoice. Delivered a build stability fix in mod-orders by upgrading data-import-processing-core to the released version and introduced a new error code for missed affiliations (MODORDERS-1183). Implemented a routine dependency update of data-import-processing-core in mod-invoice with minimal user impact. These efforts reduce build failures, improve data ingestion reliability, and enable faster, safer deployment cycles. Coordinated cross-repo versioning and error handling to set the stage for smoother future releases and lower support overhead.

Activity

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Quality Metrics

Correctness87.4%
Maintainability85.4%
Architecture82.0%
Performance78.4%
AI Usage23.6%

Skills & Technologies

Programming Languages

GherkinJavaJavaScriptMarkdownN/ARAMLXMLYAML

Technical Skills

API DesignAPI DevelopmentAPI IntegrationAPI TestingAsynchronous ProgrammingAutomationBackend DevelopmentBehavior Driven DevelopmentBehavior Driven Development (BDD)Build ConfigurationBuild ProcessCI/CDCSV ExportConfiguration ManagementData Export

Repositories Contributed To

9 repos

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

folio-org/mod-orders

Oct 2024 Oct 2025
11 Months active

Languages Used

JavaYAMLJavaScriptRAML

Technical Skills

Build ProcessDependency ManagementAPI IntegrationBackend DevelopmentError HandlingJava

folio-org/folio-integration-tests

Nov 2024 Oct 2025
7 Months active

Languages Used

GherkinJava

Technical Skills

API TestingIntegration TestingBehavior Driven Development (BDD)Test AutomationBehavior Driven Development

folio-org/mod-invoice

Oct 2024 Aug 2025
6 Months active

Languages Used

JavaMarkdownJavaScriptYAML

Technical Skills

Backend DevelopmentAPI DevelopmentError HandlingUnit TestingJavaTesting

folio-org/mod-orders-storage

Apr 2025 Oct 2025
4 Months active

Languages Used

JavaYAML

Technical Skills

Backend DevelopmentKafkaTestcontainersTestingAPI DevelopmentAutomation

folio-org/mod-data-export-worker

Nov 2024 Aug 2025
5 Months active

Languages Used

N/AJavaXML

Technical Skills

Data ExportSchema ManagementBackend DevelopmentCSV ExportJavaUnit Testing

folio-org/app-platform-complete

Feb 2025 Feb 2025
1 Month active

Languages Used

Markdown

Technical Skills

Documentation Management

folio-org/mod-users

Mar 2025 Mar 2025
1 Month active

Languages Used

Java

Technical Skills

API DevelopmentBackend DevelopmentEvent HandlingJava

folio-org/mod-inventory

Apr 2025 Apr 2025
1 Month active

Languages Used

Java

Technical Skills

API IntegrationBackend DevelopmentData HandlingJavaTesting

folio-org/mod-source-record-manager

Apr 2025 Apr 2025
1 Month active

Languages Used

Java

Technical Skills

Backend DevelopmentSystem Cleanup

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