otavanopisto/muikku
Nov 2024 – Nov 2025
13 Months active
Languages Used
CSSHTMLJavaScriptReactSCSSTypeScriptYAMLtsx
Technical Skills
API DesignAPI DocumentationAPI IntegrationBackend DevelopmentCSSCode Refactoring
Tero Tanttu
PROFILE
Tero Tanttu
Tero Tanttu developed and modernized the otavanopisto/muikku repository over 13 months, delivering robust features for study planning, evaluation, and exam workflows. He refactored state management using Redux and Jotai, improved UI/UX with React and TypeScript, and enhanced localization and accessibility. Tero introduced modular components, real-time WebSocket synchronization, and upgraded build tooling with Vite and Webpack, enabling faster deployments and maintainable code. His work included curriculum matrix upgrades, exam lifecycle improvements, and secure authentication flows. By focusing on code quality, error handling, and scalable architecture, Tero ensured the platform’s reliability, reduced support overhead, and supported evolving educational requirements.
Overall Statistics
Feature vs Bugs
65%Features
Repository Contributions
483Total
Bugs
98
Commits
483
Features
184
Lines of code
238,535
Activity Months13
Your Network
14 people
Work History
November 2025
4 Commits • 1 Features
Nov 1, 2025November 2025: For otavanopisto/muikku, delivered a major Curriculum Matrix upgrade and stability fixes. The team migrated to SchoolCurriculumMatrix, refactored matrix.subjectsTable access, and updated getHighestCourseNumber to operate on the full matrix, enhancing consistency and future scalability. Implemented null-safety guards to prevent runtime errors when matrix or subjectsTable is absent in study progress components. Resolved a UI display issue in the Course dropdown by fixing syntax and ensuring correct credit formatting in the display string. These changes improve data reliability, user-facing accuracy, and developer maintainability, reducing support tickets and facilitating smoother curricula management. Key commits include 7f0a55b9aa94b1878b23a1a28f967a9851c0151a; b1ef1beedc8b76b2230abe1cd4fa26e3b052d10e; ac92e13c1b7e09678ed00af9cb6c22b75f62fdb7; f9904538bcb91a3eab4a175951f34082c4d64329.
4 Commits • 1 Features
Nov 1, 2025November 2025: For otavanopisto/muikku, delivered a major Curriculum Matrix upgrade and stability fixes. The team migrated to SchoolCurriculumMatrix, refactored matrix.subjectsTable access, and updated getHighestCourseNumber to operate on the full matrix, enhancing consistency and future scalability. Implemented null-safety guards to prevent runtime errors when matrix or subjectsTable is absent in study progress components. Resolved a UI display issue in the Course dropdown by fixing syntax and ensuring correct credit formatting in the display string. These changes improve data reliability, user-facing accuracy, and developer maintainability, reducing support tickets and facilitating smoother curricula management. Key commits include 7f0a55b9aa94b1878b23a1a28f967a9851c0151a; b1ef1beedc8b76b2230abe1cd4fa26e3b052d10e; ac92e13c1b7e09678ed00af9cb6c22b75f62fdb7; f9904538bcb91a3eab4a175951f34082c4d64329.
November 2025
October 2025
60 Commits • 25 Features
Oct 1, 20252025-10 monthly summary for otavanopisto/muikku: Key frontend refinements and backend-aligned improvements that enhance navigation, material/exam workflows, data integrity, and system resilience. Business value delivered includes faster, more reliable access to materials and exams, clearer permission boundaries, and reduced downtime through websocket improvements and build/lint/audit fixes. Technical achievements demonstrate advanced frontend architecture (Tanstack, Jotai, React Router), improved theming, and scalable material loading capabilities.
October 2025
60 Commits • 25 Features
Oct 1, 20252025-10 monthly summary for otavanopisto/muikku: Key frontend refinements and backend-aligned improvements that enhance navigation, material/exam workflows, data integrity, and system resilience. Business value delivered includes faster, more reliable access to materials and exams, clearer permission boundaries, and reduced downtime through websocket improvements and build/lint/audit fixes. Technical achievements demonstrate advanced frontend architecture (Tanstack, Jotai, React Router), improved theming, and scalable material loading capabilities.
September 2025
93 Commits • 39 Features
Sep 1, 2025September 2025 (Muikku repository otavanopisto/muikku) focused on delivering business-value features for the exam lifecycle, expanding evaluation capabilities, and modernizing the frontend architecture. The work enhances user experience for exam creation and evaluation, strengthens reliability of evaluation data, and establishes a scalable frontend foundation to support future iterations and localization.
93 Commits • 39 Features
Sep 1, 2025September 2025 (Muikku repository otavanopisto/muikku) focused on delivering business-value features for the exam lifecycle, expanding evaluation capabilities, and modernizing the frontend architecture. The work enhances user experience for exam creation and evaluation, strengthens reliability of evaluation data, and establishes a scalable frontend foundation to support future iterations and localization.
September 2025
August 2025
42 Commits • 17 Features
Aug 1, 2025In August 2025, the muikku frontend work delivered foundational state management improvements, UI refinements, and scalability enhancements that underpin more reliable pedagogy and course planning experiences. The work focused on maintainability, mobile usability, localization, and smoother integration with exam/material workflows, setting up the platform for faster feature delivery and more resilient UX.
August 2025
42 Commits • 17 Features
Aug 1, 2025In August 2025, the muikku frontend work delivered foundational state management improvements, UI refinements, and scalability enhancements that underpin more reliable pedagogy and course planning experiences. The work focused on maintainability, mobile usability, localization, and smoother integration with exam/material workflows, setting up the platform for faster feature delivery and more resilient UX.
July 2025
16 Commits • 1 Features
Jul 1, 2025In July 2025, the Muikku project delivered a major modernization of the pedagogy form and publishing workflow for otavanopisto/muikku, with improvements spanning UI/architecture, localization, and end-to-end data flow. The work enables a more reliable publishing process across guardian and teacher roles, aligns API interactions with backend endpoints, and lays groundwork for future enhancements in forms and reporting.
16 Commits • 1 Features
Jul 1, 2025In July 2025, the Muikku project delivered a major modernization of the pedagogy form and publishing workflow for otavanopisto/muikku, with improvements spanning UI/architecture, localization, and end-to-end data flow. The work enables a more reliable publishing process across guardian and teacher roles, aligns API interactions with backend endpoints, and lays groundwork for future enhancements in forms and reporting.
July 2025
June 2025
10 Commits • 4 Features
Jun 1, 2025June 2025: Key front-end deliverables across otavanopisto/muikku focused on security, reliability, and policy alignment. Implemented Ceepos authentication hardening and enhanced error handling, stabilized mobile navigation, refined MaterialLoader visibility logic, and updated curriculum hours to 28 per course. These changes reduce user friction and support load, improve error visibility and incident response, and ensure compliance with updated curriculum policy. Demonstrated expertise in modern Router-based navigation, robust error messaging, and dynamic UI state management across components.
June 2025
10 Commits • 4 Features
Jun 1, 2025June 2025: Key front-end deliverables across otavanopisto/muikku focused on security, reliability, and policy alignment. Implemented Ceepos authentication hardening and enhanced error handling, stabilized mobile navigation, refined MaterialLoader visibility logic, and updated curriculum hours to 28 per course. These changes reduce user friction and support load, improve error visibility and incident response, and ensure compliance with updated curriculum policy. Demonstrated expertise in modern Router-based navigation, robust error messaging, and dynamic UI state management across components.
May 2025
24 Commits • 8 Features
May 1, 2025May 2025 performance summary for otavanopisto/muikku: Successful overhaul of evaluation and lock management, localization completion, and UX robustness across the evaluation workflow. Delivered a cohesive set of frontend improvements with strong business value, improved reliability, and better developer experience.
24 Commits • 8 Features
May 1, 2025May 2025 performance summary for otavanopisto/muikku: Successful overhaul of evaluation and lock management, localization completion, and UX robustness across the evaluation workflow. Delivered a cohesive set of frontend improvements with strong business value, improved reliability, and better developer experience.
May 2025
April 2025
15 Commits • 2 Features
Apr 1, 2025April 2025 (2025-04) — Delivered a focused set of front-end improvements and stability fixes in otavanopisto/muikku, with an emphasis on study planning UX, localization, and matriculation workflows. Key outcomes include broadened Sami language support in the matriculation form, stabilized enrollment behavior, and a robust HOPS study planning experience featuring drag-and-drop planning, graduation goals, and localized inputs. Targeted bug fixes improved accuracy of completion estimates and evaluation rendering, reducing user friction and enabling smoother class allocations and matriculation processing.
April 2025
15 Commits • 2 Features
Apr 1, 2025April 2025 (2025-04) — Delivered a focused set of front-end improvements and stability fixes in otavanopisto/muikku, with an emphasis on study planning UX, localization, and matriculation workflows. Key outcomes include broadened Sami language support in the matriculation form, stabilized enrollment behavior, and a robust HOPS study planning experience featuring drag-and-drop planning, graduation goals, and localized inputs. Targeted bug fixes improved accuracy of completion estimates and evaluation rendering, reducing user friction and enabling smoother class allocations and matriculation processing.
March 2025
49 Commits • 14 Features
Mar 1, 2025March 2025 summary for otavanopisto/muikku focused on delivering a robust modernization of the build and bundling stack, targeted UI/UX enhancements, and improved reliability and localization. The month combined substantial build tooling improvements with UI refinements and robust error handling to reduce production risk, speed up development cycles, and improve user satisfaction across Guider/Records workflows and planner-related features.
49 Commits • 14 Features
Mar 1, 2025March 2025 summary for otavanopisto/muikku focused on delivering a robust modernization of the build and bundling stack, targeted UI/UX enhancements, and improved reliability and localization. The month combined substantial build tooling improvements with UI refinements and robust error handling to reduce production risk, speed up development cycles, and improve user satisfaction across Guider/Records workflows and planner-related features.
March 2025
February 2025
46 Commits • 24 Features
Feb 1, 2025February 2025 (Month: 2025-02) performance summary for otavanopisto/muikku. Focused on strengthening maintainability, UX stability, and data reliability while delivering impactful frontend features. Highlights include comprehensive code cleanup, UX improvements in timeline and guardian/student workflows, and aligned OpenAPI/frontend tooling for future scalability.
February 2025
46 Commits • 24 Features
Feb 1, 2025February 2025 (Month: 2025-02) performance summary for otavanopisto/muikku. Focused on strengthening maintainability, UX stability, and data reliability while delivering impactful frontend features. Highlights include comprehensive code cleanup, UX improvements in timeline and guardian/student workflows, and aligned OpenAPI/frontend tooling for future scalability.
January 2025
36 Commits • 15 Features
Jan 1, 2025January 2025 monthly summary for otavanopisto/muikku: Delivered core curriculum configuration and compulsory education planning to improve study planner dependencies, added PlanStatus placeholder, and enhanced study options/status visibility. Refactored course selection and study activity to reduce duplicate network calls and improve filtering. Implemented mobile-first UI/layout improvements and period UI/animation refinements to boost usability on both mobile and desktop. Introduced guardian-facing study progress view and upper secondary statistics, with related planStatistic testing. Expanded API surface and docs with CurriculumName in UserWithSchoolData and Swagger/API model updates. Addressed critical bugs across profile routing (null checks), hops workflow (onchange, history, scroll, onClose, matriculation loading), and workspace instance handling, improving stability and user experience. These changes collectively drive faster interactions, more accurate planning data, and better analytics visibility.
36 Commits • 15 Features
Jan 1, 2025January 2025 monthly summary for otavanopisto/muikku: Delivered core curriculum configuration and compulsory education planning to improve study planner dependencies, added PlanStatus placeholder, and enhanced study options/status visibility. Refactored course selection and study activity to reduce duplicate network calls and improve filtering. Implemented mobile-first UI/layout improvements and period UI/animation refinements to boost usability on both mobile and desktop. Introduced guardian-facing study progress view and upper secondary statistics, with related planStatistic testing. Expanded API surface and docs with CurriculumName in UserWithSchoolData and Swagger/API model updates. Addressed critical bugs across profile routing (null checks), hops workflow (onchange, history, scroll, onClose, matriculation loading), and workspace instance handling, improving stability and user experience. These changes collectively drive faster interactions, more accurate planning data, and better analytics visibility.
January 2025
December 2024
37 Commits • 17 Features
Dec 1, 2024December 2024 performance highlights for otavanopisto/muikku focused on stabilizing guider workflows, enhancing course planning capabilities, and improving overall reliability. Key UI refinements, architecture improvements, and data-flow hardening reduce user friction and support scalable study planning. Major efforts included Hops UI and Guider UX refinements with onload/router refactor, robust Hops websocket lifecycle fixes and initialization improvements, and a redesigned thunk architecture to simplify initialization and locking. Enhancements to course planning (drag-and-drop, endpoints, and modifiers) and batch persistence improved data reliability and user productivity. Early progress on Studyplan component testing and targeted quality improvements (pendingEditingWarning, error notifications, UI polish, and code cleanup) set the stage for faster delivery and fewer regressions. Technologies demonstrated include React/Redux (thunk), WebSocket lifecycle management, react-dnd drag-and-drop, Framer Motion experimentation, and locale fixes, with ongoing focus on maintainability and business value.
December 2024
37 Commits • 17 Features
Dec 1, 2024December 2024 performance highlights for otavanopisto/muikku focused on stabilizing guider workflows, enhancing course planning capabilities, and improving overall reliability. Key UI refinements, architecture improvements, and data-flow hardening reduce user friction and support scalable study planning. Major efforts included Hops UI and Guider UX refinements with onload/router refactor, robust Hops websocket lifecycle fixes and initialization improvements, and a redesigned thunk architecture to simplify initialization and locking. Enhancements to course planning (drag-and-drop, endpoints, and modifiers) and batch persistence improved data reliability and user productivity. Early progress on Studyplan component testing and targeted quality improvements (pendingEditingWarning, error notifications, UI polish, and code cleanup) set the stage for faster delivery and fewer regressions. Technologies demonstrated include React/Redux (thunk), WebSocket lifecycle management, react-dnd drag-and-drop, Framer Motion experimentation, and locale fixes, with ongoing focus on maintainability and business value.
November 2024
51 Commits • 17 Features
Nov 1, 2024November 2024 monthly summary for otavanopisto/muikku focused on delivering architectural improvements, reliability, and user-facing enhancements that enable faster feature delivery and improved business value. Key outcomes include centralized state management with Redux for Hops, new endpoints and real-time state synchronization, and significant codebase and documentation improvements that streamline onboarding and API usage. Study progress and study-related features were enhanced, while numerous UI, localization, and accessibility fixes improved end-user experience and maintainability.
51 Commits • 17 Features
Nov 1, 2024November 2024 monthly summary for otavanopisto/muikku focused on delivering architectural improvements, reliability, and user-facing enhancements that enable faster feature delivery and improved business value. Key outcomes include centralized state management with Redux for Hops, new endpoints and real-time state synchronization, and significant codebase and documentation improvements that streamline onboarding and API usage. Study progress and study-related features were enhanced, while numerous UI, localization, and accessibility fixes improved end-user experience and maintainability.
November 2024
Activity
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Quality Metrics
Correctness87.0%
Maintainability87.6%
Architecture83.2%
Performance82.0%
AI Usage20.4%
Skills & Technologies
Programming Languages
CSSHTMLJSONJSXJavaScriptReactSCSSSVGShellTypeScript
Technical Skills
API DesignAPI DevelopmentAPI DocumentationAPI IntegrationAPI ManagementAccessibilityAnimationBackend DevelopmentBrowser APIBuild ConfigurationBuild Process OptimizationBuild Tool ConfigurationBuild ToolsCSSCSS Modules
Repositories Contributed To
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