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Jacek

PROFILE

Jacek

Jacek Lajdecki contributed to the axonivy/engine-cockpit, dev-workflow-ui, and web-tester repositories by delivering user-facing features and stability improvements across backend and frontend systems. He restructured the Engine Cockpit’s deployment workflow, integrating file upload directly into the UI and reducing reliance on REST endpoints, while modernizing code with Java and PrimeFaces. In dev-workflow-ui, he enhanced analytics, persistent filtering, and localization, and fixed UI consistency issues using JavaScript and XHTML. Jacek also reduced technical debt by refactoring deprecated dependencies and improving test coverage, demonstrating depth in integration testing, dependency management, and UI/UX engineering to streamline development and deployment processes.

Overall Statistics

Feature vs Bugs

64%Features

Repository Contributions

44Total
Bugs
10
Commits
44
Features
18
Lines of code
5,818
Activity Months3

Work History

September 2025

5 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary highlighting key features, major bug fixes, and overall impact across three repositories. Centralized deployment workflow implemented in Engine-Cockpit (integrated file upload and deployment), reducing REST-endpoint reliance and streamlining the deployment process. Documentation enhancements in Doc repo clarify deployment flow and recommended static JSF URL generation. UI stability improvements in Dev-Workflow-UI fix profile page role display and ensure correct rerun behavior, complemented by added integration tests. Demonstrated a broad set of skills from UI integration and refactoring to documentation and test coverage, driving faster, more reliable deployments with improved developer experience.

August 2025

16 Commits • 4 Features

Aug 1, 2025

August 2025: Delivered stability and leaner dependencies across web-tester, dev-workflow-ui, and the portal, with a focus on CI/CD reliability, user experience improvements, and robust navigation. Key activities included stabilizing the deployment/release process, removing a dependency to reduce risk, enhancing profile UX and localization, hardening redirects and URL validation, refining filtering and test stability, and simplifying the case rerun workflow. Portal iframe redirects were aligned with core changes.

July 2025

23 Commits • 12 Features

Jul 1, 2025

Monthly summary for 2025-07 focusing on delivering stable, maintainable, and API-driven features across Engine Cockpit, workflow UI, and cross-repo upgrades. Highlights include stability fixes, backend API restructuring with tests, code quality upgrades, and UX enhancements that drive business value and efficiency. Key features delivered: - Engine Cockpit Web UI stability and mobile compatibility updates: fixed cluster node filtering and updated mobile rendering tag. Commits: XIVY-17146 (09c34fe0661c71089b567e3470d6ae4e518f3edc) and XIVY-17185 (df9dab1ee9dd714c05e320e0c31b7ba5ff392d2d). - Engine Cockpit Backend API UI restructure: split Backend API into two views (REST Services and Web Service Processes), updated navigation, and added tests for Web Service Processes. Commits: XIVY-17174 (7f653f503cd855d30f517c7d94b613f9b7d6f43f) and XIVY-17174 test addition (1387be40680949795b567c791885f3388160beed). - Code quality upgrade: migrate deprecated StringUtils to Apache Commons Lang Strings to improve maintainability and compatibility. Commit: XIVY-17200 (1fdbd1bf32862bc0bb9a99012621a394851380d6). - Workflow UI enhancements: analytics and UX improvements including time range controls, translations, and graph resolution for statistics; enhanced search by ID/UUID and persistent filters on Starts page. Commits: 660d4275c339890300311464196b0e0afa767ddb, 12515f22833a9e3ef6e8ac3d6f4943c77d95c1d0, e90c763c59c83231152936167f02bcf5de5d81bb, 7b2e1edd486e175be60f2119dc583aa99150107b, 75e8a70146b58bde0688d96fa0f101962e83e691, 19d90532555d1c0dd72089cc807684fd9400a92d. - Cross-repo Commons Lang upgrades and modernization: upgrade Apache Commons Lang to 3.18 in demo-projects and code modernization in web-tester to reduce deprecated usage and improve compatibility. Commits: 93f023de5471028fe55c1548d68647698e78e72c (demo-projects) and 08cc26151eb81fa2d11acdaee39dc02c4bb23d6 (web-tester). Major bugs fixed: - Web UI cluster node filtering issue fixed and mobile compatibility tag updated, improving reliability and mobile experience. Commits: XIVY-17146 (09c34fe...) and XIVY-17185 (df9dab1...). - Frame/redirect stability and internal data model fixes, including safe redirect URLs on frame pages and related LazyDataModel adjustments, enhancing stability for embedded frame scenarios. Commits: XIVY-17263 (c0993ca7...), 315ca39d3..., and related changes. - Refactor/compatibility updates to reduce deprecated library usage and ensure compatibility with newer Apache Commons Lang versions across multiple modules. Commits: XIVY-17200 (1fdbd1bf...), 08cc2615..., 93f023de...; these changes reduce runtime risks and improve maintainability. Overall impact and accomplishments: - Accelerated delivery of user-facing features while improving stability and maintainability across the product suite. The Engine Cockpit backend now provides clearer API views and better test coverage, enabling faster onboarding and easier future enhancements. Workflow UI gains deliver tangible productivity improvements with persistent filters, advanced search, and richer analytics. Library modernization reduces technical debt and mitigates risk from deprecated dependencies. Together, these efforts position the platform for more reliable releases and faster iteration. Technologies/skills demonstrated: - Java/XML/Backend API design, automated testing, and test-driven improvements (REST Services vs. Web Service Processes, test coverage). - UI/UX engineering: responsive design, mobile meta tag handling, persistent UI state, and internationalization support. - Code quality and maintenance: migration from deprecated utils to Apache Commons Lang Strings, safe redirect handling, and LazyDataModel compatibility fixes. - Cross-project collaboration and integration: consistent library upgrades (Commons Lang) across demo-projects and web-tester.

Activity

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Quality Metrics

Correctness90.2%
Maintainability89.4%
Architecture87.8%
Performance82.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSJavaJavaScriptJavaServer FacesPHPRSTShellTwigXHTMLYAML

Technical Skills

Back-end DevelopmentBackend DevelopmentDependency ManagementDevOpsDocumentationFront End DevelopmentFront-end DevelopmentFrontend DevelopmentFull Stack DevelopmentIntegration TestingInternationalizationInternationalization (i18n)JSFJavaJava Development

Repositories Contributed To

7 repos

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

axonivy/dev-workflow-ui

Jul 2025 Sep 2025
3 Months active

Languages Used

CSSJavaJavaScriptXHTMLYAMLxhtmlJavaServer Faces

Technical Skills

Back-end DevelopmentBackend DevelopmentFront End DevelopmentFront-end DevelopmentFrontend DevelopmentFull Stack Development

axonivy/engine-cockpit

Jul 2025 Sep 2025
2 Months active

Languages Used

JavaXHTMLxhtmlCSSJavaScript

Technical Skills

Back-end DevelopmentBackend DevelopmentFront-end DevelopmentFrontend DevelopmentJavaLibrary Update

axonivy/web-tester

Jul 2025 Aug 2025
2 Months active

Languages Used

JavaShell

Technical Skills

JavaRefactoringTestingDependency ManagementDevOpsJava Standard Library

axonivy/doc

Sep 2025 Sep 2025
1 Month active

Languages Used

RSTYAML

Technical Skills

DocumentationTechnical Writing

axonivy/dev.axonivy.com

Jul 2025 Jul 2025
1 Month active

Languages Used

PHPTwig

Technical Skills

Backend DevelopmentFrontend Development

axonivy/demo-projects

Jul 2025 Jul 2025
1 Month active

Languages Used

Java

Technical Skills

Dependency ManagementJava Development

axonivy-market/portal

Aug 2025 Aug 2025
1 Month active

Languages Used

JavaScript

Technical Skills

Front End DevelopmentJavaScript

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