espoon-voltti/evaka
Oct 2024 – Oct 2025
13 Months active
Languages Used
JavaKotlinTypeScriptDockerfileJavaScriptSQLShellPlantUML
Technical Skills
API DevelopmentAccess ControlBackend DevelopmentCSV GenerationFeature FlaggingFrontend Development
Jarkko Pätäri
PROFILE
Jarkko Pätäri
Jarkko Patari developed and maintained core features for the espoon-voltti/evaka platform, focusing on business-critical workflows such as absence management, reporting, and citizen document handling. He engineered robust backend services and frontend interfaces using Kotlin, React, and TypeScript, emphasizing data integrity, access control, and auditability. His work included implementing CSV exports, enhancing accessibility, and introducing granular permission checks, while modernizing test infrastructure and optimizing database queries. Jarkko consistently improved reliability through refactoring, validation logic, and security updates. His contributions demonstrated depth in full stack development, delivering maintainable solutions that improved operational efficiency, data quality, and user experience.
Overall Statistics
Feature vs Bugs
63%Features
Repository Contributions
241Total
Bugs
54
Commits
241
Features
93
Lines of code
28,971
Activity Months13
Your Network
33 people
Work History
October 2025
15 Commits • 2 Features
Oct 1, 2025October 2025 focused on delivering data accuracy, governance capabilities, and platform hardening in espoon-voltti/evaka. Key features included occupancies report enhancements (unit filter, excluding current day data for realized reports, end-to-end test stabilization, and unified staff attendance handling) and archiving of fee decisions and voucher value decisions via new API endpoints, mutations, and UI. Maintenance and internal improvements updated dependencies and configurations (Flyway compatibility, UUID generation via native crypto, logback upgrades), Docker Alpine base image, attendance types refactor, and DST-related reservable days adjustments. These changes collectively improve data accuracy, governance capabilities, and overall platform reliability, delivering tangible business value for operators and developers.
15 Commits • 2 Features
Oct 1, 2025October 2025 focused on delivering data accuracy, governance capabilities, and platform hardening in espoon-voltti/evaka. Key features included occupancies report enhancements (unit filter, excluding current day data for realized reports, end-to-end test stabilization, and unified staff attendance handling) and archiving of fee decisions and voucher value decisions via new API endpoints, mutations, and UI. Maintenance and internal improvements updated dependencies and configurations (Flyway compatibility, UUID generation via native crypto, logback upgrades), Docker Alpine base image, attendance types refactor, and DST-related reservable days adjustments. These changes collectively improve data accuracy, governance capabilities, and overall platform reliability, delivering tangible business value for operators and developers.
October 2025
September 2025
6 Commits • 3 Features
Sep 1, 2025September 2025 (espoon-voltti/evaka): Delivered a blend of bug fixes, security enhancements, and archival capability that improve data accuracy, compliance, and operational security. Key changes spanned PDF generation correctness, used-service calculations, UI unit listing, OSS Index vulnerability scanning, and archiving decisions.
September 2025
6 Commits • 3 Features
Sep 1, 2025September 2025 (espoon-voltti/evaka): Delivered a blend of bug fixes, security enhancements, and archival capability that improve data accuracy, compliance, and operational security. Key changes spanned PDF generation correctness, used-service calculations, UI unit listing, OSS Index vulnerability scanning, and archiving decisions.
August 2025
5 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for espoon-voltti/evaka focused on accessibility, observability, and dependency hygiene. Key features delivered include accessibility improvements for the reservation time range modal, upgrading the nginx-opentracing library in the frontend, and cleaning up dependency constraints to simplify maintenance. These efforts drive better user experience, improved tracing/diagnostics, and reduced risk from version drift.
5 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for espoon-voltti/evaka focused on accessibility, observability, and dependency hygiene. Key features delivered include accessibility improvements for the reservation time range modal, upgrading the nginx-opentracing library in the frontend, and cleaning up dependency constraints to simplify maintenance. These efforts drive better user experience, improved tracing/diagnostics, and reduced risk from version drift.
August 2025
July 2025
28 Commits • 9 Features
Jul 1, 2025July 2025 — espoon-voltti/evaka: Focused on accessibility, consistency, and data quality improvements. Delivered per-page title management with a useTitle hook; enhanced Voucher Unit Report with sorting by assistance need coefficient and corrected group sort direction; introduced a reusable form/state stack via useForm and useBoolean hooks; improved keyboard navigation (Escape to close) and navigation behavior (close on outside focus, removed useCloseOnOutsideClick); expanded accessibility across UI (calendar, reservation modal, messages, personal details) with ARIA labeling and better focus handling; made targeted UI refinements (placement type text, datepicker fix) and strengthened reliability with frontend docker context and brace-expansion vulnerability fixes; added application term breaks validation.
July 2025
28 Commits • 9 Features
Jul 1, 2025July 2025 — espoon-voltti/evaka: Focused on accessibility, consistency, and data quality improvements. Delivered per-page title management with a useTitle hook; enhanced Voucher Unit Report with sorting by assistance need coefficient and corrected group sort direction; introduced a reusable form/state stack via useForm and useBoolean hooks; improved keyboard navigation (Escape to close) and navigation behavior (close on outside focus, removed useCloseOnOutsideClick); expanded accessibility across UI (calendar, reservation modal, messages, personal details) with ARIA labeling and better focus handling; made targeted UI refinements (placement type text, datepicker fix) and strengthened reliability with frontend docker context and brace-expansion vulnerability fixes; added application term breaks validation.
June 2025
17 Commits • 9 Features
Jun 1, 2025June 2025 for espoon-voltti/evaka focused on delivering high-value features, tightening access controls, and improving data integrity and user experience across critical workflows. Key gains include precise decision reporting, persistent UX improvements in attendance views, stronger permission checks for absence decisions, enhanced auditability in placement tooling, and UX refinements in messaging. In addition, notable fixes address edge-case data handling to reduce operational risk and improve reliability for frontline staff.
17 Commits • 9 Features
Jun 1, 2025June 2025 for espoon-voltti/evaka focused on delivering high-value features, tightening access controls, and improving data integrity and user experience across critical workflows. Key gains include precise decision reporting, persistent UX improvements in attendance views, stronger permission checks for absence decisions, enhanced auditability in placement tooling, and UX refinements in messaging. In addition, notable fixes address edge-case data handling to reduce operational risk and improve reliability for frontline staff.
June 2025
May 2025
24 Commits • 7 Features
May 1, 2025May 2025 EVaka development delivered a cohesive set of enhancements around absence management, API quality, data integrity, and user experience. The work focused on facilitating business workflows for absence applications, improving data accuracy, and stabilizing the technical foundation for future features.
May 2025
24 Commits • 7 Features
May 1, 2025May 2025 EVaka development delivered a cohesive set of enhancements around absence management, API quality, data integrity, and user experience. The work focused on facilitating business workflows for absence applications, improving data accuracy, and stabilizing the technical foundation for future features.
April 2025
29 Commits • 11 Features
Apr 1, 2025April 2025 monthly summary for espoon-voltti/evaka: Delivered essential citizen document capabilities and improved reliability, with testing and localization enhancements, plus reporting and feature management improvements that enable safer staged rollouts and better data insights.
29 Commits • 11 Features
Apr 1, 2025April 2025 monthly summary for espoon-voltti/evaka: Delivered essential citizen document capabilities and improved reliability, with testing and localization enhancements, plus reporting and feature management improvements that enable safer staged rollouts and better data insights.
April 2025
March 2025
31 Commits • 17 Features
Mar 1, 2025Monthly summary for 2025-03: Focused on delivering core functionality, stabilizing the platform, and enabling scalable operations across the evaka services. Key outcomes include atomic transaction refactor, scheduling and integration improvements, and enhanced UI for placement workflows; plus robust validation and quality processes that improve data integrity and deployment hygiene.
March 2025
31 Commits • 17 Features
Mar 1, 2025Monthly summary for 2025-03: Focused on delivering core functionality, stabilizing the platform, and enabling scalable operations across the evaka services. Key outcomes include atomic transaction refactor, scheduling and integration improvements, and enhanced UI for placement workflows; plus robust validation and quality processes that improve data integrity and deployment hygiene.
February 2025
10 Commits • 5 Features
Feb 1, 2025February 2025 performance summary for espoon-voltti/evaka: Delivered high-impact features across holiday eligibility logic, employee search enhancements, data export, and attachments validation, while hardening stability with Docker/JVM tuning, SQL maintenance, and query optimizations. Improvements enhanced data reliability, operational efficiency, and user experience, enabling safer holiday planning, faster and more precise people searches, and streamlined reporting.
10 Commits • 5 Features
Feb 1, 2025February 2025 performance summary for espoon-voltti/evaka: Delivered high-impact features across holiday eligibility logic, employee search enhancements, data export, and attachments validation, while hardening stability with Docker/JVM tuning, SQL maintenance, and query optimizations. Improvements enhanced data reliability, operational efficiency, and user experience, enabling safer holiday planning, faster and more precise people searches, and streamlined reporting.
February 2025
January 2025
24 Commits • 8 Features
Jan 1, 2025January 2025 (Month: 2025-01) delivered broad backend and tooling enhancements across placement, occupancy, data quality, and finance reporting. The work focused on reliability, data integrity, and business value, with major features implemented, validations hardened, and observability improved.
January 2025
24 Commits • 8 Features
Jan 1, 2025January 2025 (Month: 2025-01) delivered broad backend and tooling enhancements across placement, occupancy, data quality, and finance reporting. The work focused on reliability, data integrity, and business value, with major features implemented, validations hardened, and observability improved.
December 2024
25 Commits • 10 Features
Dec 1, 2024December 2024 monthly summary for espoon-voltti/evaka focused on delivering business value through feature enhancements, critical UI/UX fixes, bug resolution, and test infrastructure modernization. Highlights include expanding data capture (municipality of residence), UX improvements for document routing (poste restante) and unit management (closing date modal), and improvements to reporting UX and reliability (month picker, date picker defaults, and reports UI performance). A set of permissions and reporting fixes ensured correct access and data handling across guardians and decisions, reducing risk of misinformed actions. Test infrastructure improvements enhanced test reliability and faster feedback loops.
25 Commits • 10 Features
Dec 1, 2024December 2024 monthly summary for espoon-voltti/evaka focused on delivering business value through feature enhancements, critical UI/UX fixes, bug resolution, and test infrastructure modernization. Highlights include expanding data capture (municipality of residence), UX improvements for document routing (poste restante) and unit management (closing date modal), and improvements to reporting UX and reliability (month picker, date picker defaults, and reports UI performance). A set of permissions and reporting fixes ensured correct access and data handling across guardians and decisions, reducing risk of misinformed actions. Test infrastructure improvements enhanced test reliability and faster feedback loops.
December 2024
November 2024
26 Commits • 8 Features
Nov 1, 2024November 2024 (2024-11) monthly summary for espoon-voltti/evaka: Delivered multiple features and reliability improvements across preschool workflows, income statements, system configurations, and governance controls. The work stabilizes core processes, enhances reporting accuracy, and improves deployment scalability, directly supporting business operations and user experience.
November 2024
26 Commits • 8 Features
Nov 1, 2024November 2024 (2024-11) monthly summary for espoon-voltti/evaka: Delivered multiple features and reliability improvements across preschool workflows, income statements, system configurations, and governance controls. The work stabilizes core processes, enhances reporting accuracy, and improves deployment scalability, directly supporting business operations and user experience.
October 2024
1 Commits • 1 Features
Oct 1, 20242024-10 Monthly Summary for espoon-voltti/evaka: Implemented Attendance Reservation Reports CSV export for Aromi, delivering end-to-end capability with frontend download button, backend API endpoints, and data formatting service. Feature was gated by a feature flag and admin-only access, strengthening governance and reporting capabilities. This work provides reliable, auditable CSV exports for attendance reservations, enabling better data-driven decisions and compliance.
1 Commits • 1 Features
Oct 1, 20242024-10 Monthly Summary for espoon-voltti/evaka: Implemented Attendance Reservation Reports CSV export for Aromi, delivering end-to-end capability with frontend download button, backend API endpoints, and data formatting service. Feature was gated by a feature flag and admin-only access, strengthening governance and reporting capabilities. This work provides reliable, auditable CSV exports for attendance reservations, enabling better data-driven decisions and compliance.
October 2024
Activity
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Quality Metrics
Correctness90.2%
Maintainability90.2%
Architecture87.2%
Performance85.8%
AI Usage20.2%
Skills & Technologies
Programming Languages
CSSCSVDockerfileGradleHTMLJavaJavaScriptKotlinPlantUMLReact
Technical Skills
API DesignAPI DevelopmentAPI IntegrationAPI SecurityAccess ControlAccessibilityAsynchronous ProcessingAudit LoggingAuditingAutomated TestingBackend DevelopmentBuild AutomationBuild ConfigurationCI/CDCSV Generation
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