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Aliaksei Harbuz

PROFILE

Aliaksei Harbuz

Over 15 months, this developer delivered robust backend features and security enhancements across FOLIO’s identity and access management modules, including folio-org/mod-users-keycloak and mod-roles-keycloak. They implemented dynamic role and capability management, streamlined secure store configuration, and modernized CI/CD with GitHub Actions. Their work included Spring Boot and Java-based microservices, Kafka event handling, and REST API development, with a focus on reliability, test coverage, and configuration clarity. By refactoring permission workflows, introducing caching, and improving documentation, they reduced operational risk and improved maintainability. Their contributions strengthened RBAC accuracy, secret management, and system resilience, supporting smoother migrations and scalable governance.

Overall Statistics

Feature vs Bugs

64%Features

Repository Contributions

41Total
Bugs
13
Commits
41
Features
23
Lines of code
31,552
Activity Months15

Work History

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026 monthly summary for folio-org/mod-users-keycloak: Key feature delivery and reliability improvements. Implemented KafkaMessageListener Reliability Enhancement for Secret Store Creation by refactoring event handling and introducing Folio context management. Added tests to cover unhandled event types, improving robustness of secret store secrets creation (MODUSERSKC-148). Updated documentation/news. Result: higher reliability, reduced failure modes, and improved test coverage for secret management.

March 2026

1 Commits • 1 Features

Mar 1, 2026

In 2026-03, delivered a major platform upgrade for folio-org/mod-roles-keycloak by migrating to Spring Boot 4.0 and Spring 7.0, introducing caching, and enhancing error handling. The upgrade modernizes dependencies, reduces latency, and improves resilience, aligning the module with current Spring ecosystem expectations and enabling smoother future upgrades.

February 2026

5 Commits • 2 Features

Feb 1, 2026

February 2026 monthly summary for folio-org/mod-roles-keycloak focused on CI/CD modernization, reliability enhancements for role provisioning, and selective framework upgrades with rollback to preserve stability. Highlights include delivery of a GitHub Actions-based Maven workflow, a robust retry mechanism for unassigned permissions, and an upgrade path to Spring Boot 4.x/Spring 7 with caching improvements, followed by a rollback/compatibility fixes to maintain compatibility with existing systems. Reverts in Cypress/Snapshot environments ensured stable authorization behavior.

January 2026

4 Commits

Jan 1, 2026

Month: 2026-01 — Concise monthly summary focusing on key accomplishments across folio-org/folio-module-sidecar and folio-org/mod-roles-keycloak, highlighting delivered features, fixed critical bugs, and overall impact for business value and system reliability.

December 2025

3 Commits • 2 Features

Dec 1, 2025

December 2025 monthly summary: Delivered targeted improvements across three repositories, with a focus on removing configuration ambiguity, improving observability, and clarifying transaction management. These changes reduce configuration drift, enhance diagnosability in production, and streamline code ownership, contributing to platform stability and maintainability.

November 2025

3 Commits • 3 Features

Nov 1, 2025

In November 2025, delivered improvements across two repos to boost stability, reliability, and maintainability. Upgraded code quality tooling, added resilience to Keycloak role-management calls, and tightened observability by reducing log noise in the module-sidecar. These changes reduce operational risk, improve CI quality gates, and enable faster troubleshooting for access-control flows.

October 2025

1 Commits • 1 Features

Oct 1, 2025

Month: 2025-10. Focused on documentation improvements for the folio-org/mod-users-keycloak project to expose the Okapi endpoint. Delivered a README update adding OKAPI_URL to guide users toward Okapi services. No bug fixes reported in this repo this month. Impact: improved onboarding and faster client integration with Okapi services; commits demonstrate clear documentation changes (08aae823fcf55a112064812854cbc96c45a1b667) contributing to PR #191. Technologies/skills demonstrated: Markdown documentation, Git-based change management, and cross-team collaboration tooling.

September 2025

3 Commits • 2 Features

Sep 1, 2025

September 2025 performance highlights focusing on security-hardening of secure store key management across Keycloak integrations. Migrated all usage of ENV to SECURE_STORE_ENV in three repositories, with refactors, DI changes, and updates to docs/tests. This reduces secret exposure risk, standardizes secret handling, and improves maintainability. Key outcomes include two feature deliveries and one bug fix across mod-users-keycloak, mod-consortia-keycloak, and mod-roles-keycloak.

August 2025

6 Commits • 3 Features

Aug 1, 2025

August 2025 monthly summary focusing on key accomplishments across identity management, secure store configuration, and governance capabilities. Delivered user-facing visibility for authorization roles and policies, stabilized secure store configuration with well-defined environment precedence, and advanced Keycloak SSO integration while maintaining backward-compatible defaults and thorough release documentation. The work reduces security and operational risk, improves admin governance, and enables runtime configurability with minimal downtime.

July 2025

1 Commits

Jul 1, 2025

July 2025 monthly summary for folio-org/mod-roles-keycloak focusing on a critical bug fix that improves permission integrity within the capability replacement workflow. The key change updates all related capability sets when a dummy capability is replaced with a real one, addressing inconsistent permissions state and reducing risk of incorrect access configurations.

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 2025 – folio-module-sidecar: Delivered two impactful updates focused on reliability and API hygiene. Key features delivered: Entitlement Data Refresh Mechanism, which adds a periodic task to reset a refresh flag and refresh tenant/entitlement data on failed entitlement checks; major bug fixed: GET Request Body Validation, adding a RequestValidationFilter to reject GET requests with a body, enforcing HTTP standards. Impact: ensures up-to-date entitlement status, reduces stale data, and enforces HTTP standards; improved access reliability and API correctness. Technologies/skills demonstrated: Java/Spring-based microservices, scheduled tasks, REST API validation, and commit traceability. Business value: more reliable access control and reduced maintenance risk.

April 2025

2 Commits

Apr 1, 2025

April 2025: Focused on improving RBAC accuracy in the folio-org/mod-roles-keycloak repository. Implemented a bug fix to ensure Orders app visibility by correcting capability set updates with dummy capabilities and aligning permission naming. Updated tests to reflect the new view capability counts. No new features released this month; the work primarily enhanced permission visibility, naming consistency, and test coverage, delivering clearer access control and reducing misconfigurations for downstream apps.

March 2025

6 Commits • 5 Features

Mar 1, 2025

March 2025 was a coordinated release cycle across four modules focused on strengthening identity management, compatibility, and deployment readiness. We delivered a full 3.0.0 release train across mod-users-keycloak, mod-consortia-keycloak, mod-roles-keycloak, and folio-module-sidecar, introducing migration capabilities, enhanced authentication flows, and important interface alignment. In addition to feature work, we completed key compatibility fixes and release engineering activities (version bumps, NEWS updates, and Java upgrade) to reduce customer risk and accelerate adoption. A key technical pattern was the introduction of dummy capabilities to gracefully handle missing capabilities in capability sets, improving resilience of processing pipelines and update flows.

February 2025

2 Commits • 1 Features

Feb 1, 2025

February 2025: Implemented Capability Management Enhancements in folio-org/mod-roles-keycloak, enabling dynamic assignment of role management capabilities during Eureka migration. Introduced new capability and permission models and added support for storing and filtering internal dummy capabilities to support system logic and includeDummy queries. The work reduces migration risk, strengthens security governance, and establishes a scalable foundation for role-based access control.

January 2025

1 Commits • 1 Features

Jan 1, 2025

Month: 2025-01 Concise monthly summary focused on business value and technical achievements for folio-org/mod-users-keycloak. Delivered a new admin-controlled credential policy for migrated users, enabling flexibility and security in user onboarding. This work aligns with migration workflow modernization and risk reduction by controlling whether migrated users receive default credentials.

Activity

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Quality Metrics

Correctness88.4%
Maintainability88.0%
Architecture86.6%
Performance85.4%
AI Usage23.0%

Skills & Technologies

Programming Languages

JSONJUnitJavaMarkdownSQLTypeScriptXMLYAML

Technical Skills

API DevelopmentAPI IntegrationAPI integrationBackend DevelopmentCI/CDCachingCode QualityConfiguration ManagementDatabaseDatabase DesignDatabase ManagementEnvironment VariablesFeature FlaggingGitHub ActionsHTTP Protocol

Repositories Contributed To

6 repos

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

folio-org/mod-roles-keycloak

Feb 2025 Mar 2026
10 Months active

Languages Used

JavaSQLMarkdownYAMLXML

Technical Skills

API DevelopmentBackend DevelopmentDatabase DesignJavaSQLSpring Boot

folio-org/mod-users-keycloak

Jan 2025 Apr 2026
7 Months active

Languages Used

JavaYAMLMarkdown

Technical Skills

Backend DevelopmentConfiguration ManagementFeature FlaggingJavaKeycloak IntegrationSpring Boot

folio-org/folio-module-sidecar

Mar 2025 Jan 2026
5 Months active

Languages Used

JavaMarkdownJUnit

Technical Skills

API DevelopmentAPI IntegrationBackend DevelopmentHTTP ProtocolJavaQuarkus

folio-org/mod-consortia-keycloak

Mar 2025 Sep 2025
2 Months active

Languages Used

TypeScriptJavaYAML

Technical Skills

API IntegrationBackend DevelopmentConfiguration ManagementKeycloak IntegrationSpring Boot

folio-org/mgr-tenant-entitlements

Aug 2025 Aug 2025
1 Month active

Languages Used

YAML

Technical Skills

Configuration Management

folio-org/app-platform-complete

Dec 2025 Dec 2025
1 Month active

Languages Used

JSON

Technical Skills

JSON schema designbackend development