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Tom Erik Støwer

PROFILE

Tom Erik Støwer

Over the past year, contributed to entur/enki, entur/abzu, and OpenTripPlanner by building features that improved developer experience, deployment reliability, and geospatial data handling. Delivered robust configuration management and authentication updates using TypeScript, JavaScript, and Java, while enhancing CI/CD workflows and security policies. In entur/enki, implemented local OIDC authentication and hardened npm configuration, and in entur/abzu, refactored map layers with Leaflet and improved localization. For OpenTripPlanner, strengthened geofencing enforcement and optimized serialization. Focused on maintainable code, clear documentation, and scalable infrastructure, these efforts enabled safer deployments, streamlined onboarding, and more reliable map and routing features across multiple environments.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

51Total
Bugs
4
Commits
51
Features
24
Lines of code
661,861
Activity Months12

Work History

June 2026

18 Commits • 3 Features

Jun 1, 2026

June 2026 summary focused on delivering business-value improvements, improving safety/compliance in routing, and stabilizing the developer experience across two repositories: opentripplanner/OpenTripPlanner and entur/enki. Key outcomes include hardening geofencing enforcement with set-level invariants and related infrastructure, removing the SCOOTER form factor to align with the v3.0 spec, and targeted frontend hygiene fixes. Additionally, major dependency upgrades in Enki (TypeScript, MUI, React tooling) improved build stability, typing, and UI consistency, with all tests passing and audits resolved.

May 2026

10 Commits • 4 Features

May 1, 2026

Month: 2026-05 highlights across entur/abzu, entur/enki, and OpenTripPlanner. Key features delivered include: (1) Kartverket Flyfoto tile layer migrated to a standard Leaflet tile layer using a token proxy for authentication, replacing the previous WMTSLayer; added a token management hook to handle retrieval and expiration, plus a development-time cleanup by disabling the feature flag to streamline previews. (2) Major bug fix in entur/enki: booking time format aligned with the API LocalTime (HH:mm:ss) to prevent backend errors. (3) OpenTripPlanner work included project scaffolding for improved dev workflow (issue templates, CI/CD workflows, docs structure, .gitignore, architecture tweaks) and improved geofencing configuration and serialization. (4) Geofencing enhancements: regenerated config docs and marked new geofencing vertex fields as transient to reduce serialization churn with a note for follow-up sandbox changes. (5) Search request robustness improvements: enforced empty destination zones for non-arrive-by searches and ensured reverse copy respects destination zones to prevent carryover. Overall impact includes improved reliability, data integrity, developer onboarding, and maintainability across a multi-repo effort. Technologies/skills demonstrated include Leaflet integration and token-based authentication, precise API data formatting (LocalTime), project scaffolding and CI/CD, serialization optimization, and robust data validation.

April 2026

1 Commits • 1 Features

Apr 1, 2026

April 2026 monthly summary for entur/enki: Implemented Mock Service Worker (MSW) initialization prior to E2E tests to intercept and mock API requests, enabling reliable, isolated end-to-end testing and faster feedback for QA and development. This foundational setup is tied to commit f83cd5922342b88102b43a65cdf2538186cc83be with message 'Add msw init testp before e2e tests'.

March 2026

4 Commits • 3 Features

Mar 1, 2026

March 2026: Key accomplishments across entur/abzu and entur/enki focused on security and stability, UX improvements, and reinforced package management. Highlights include: (1) Dependency management and security hardening for abzu with a MUI version upgrade and hardened npm configuration (npmrc); (2) NPM configuration hardening for enki to enhance package management safety and control; (3) UX enhancement in enki with a Day Types modal close button to improve dismissal flow. These changes leveraged the commits around dependency updates, npmrc hardening, and UI improvements to reduce risk, improve maintainability, and enable smoother releases.

February 2026

1 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary for entur/abzu: Delivered Stop Place Register Frontend Enhancements to support a new funicular transport mode, removed obsolete submodes, and implemented a configuration-driven approach for hidden stop types with translations updated to ensure UI consistency and accurate data representation. Included a frontend refactor to relocate analytics initialization from an inline script to a React useEffect hook, improving maintainability and security. No major bugs fixed this month; progress focused on feature delivery and quality improvements that drive data integrity and user experience.

January 2026

2 Commits • 2 Features

Jan 1, 2026

January 2026 focused on strengthening security posture and improving user-facing clarity through targeted policy hardening and localization improvements across two repositories. Key initiatives centered on entur/enki CSP hardening and entur/abzu Norwegian translations for session expiration messages, aligning with security and UX objectives and reducing potential support friction. No major bugs reported or resolved in this period; efforts were primarily feature-oriented with emphasis on robust, maintainable configurations and translations that scale with product usage. Overall, these changes enhance security, reduce ambiguity for Norwegian users, and establish foundational patterns for future policy and localization work.

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary focused on delivering a Local Development OpenID Connect (OIDC) configuration update for the entur/enki repository to streamline authentication workflows in the local development environment. The change aligns the OIDC authority and client ID with local development needs, improving developer experience and parity with other environments.

November 2025

6 Commits • 4 Features

Nov 1, 2025

November 2025 monthly work summary highlighting key accomplishments across entur/enki and entur/abzu. Focused on deployment reliability, dependency hygiene, and developer experience, delivering faster deployments, cleaner configurations, and clearer guidance for AI agents.

October 2025

1 Commits • 1 Features

Oct 1, 2025

October 2025 monthly summary for entur/enki focusing on delivery reliability and CI/CD improvements.

September 2025

3 Commits • 3 Features

Sep 1, 2025

September 2025 (2025-09) focused on expanding testing capabilities, widening regional availability, and improving infra documentation for entur/enki. Delivered staging export capability for map and service links to enable tester verification before production, enabled production access for Japanese map and service links to broaden service offerings, and updated route geometry modes documentation/configuration to reflect supported options (no code changes). These efforts improved data verifiability, time-to-market for translations/localization, and maintainability of infra configurations.

April 2025

1 Commits

Apr 1, 2025

April 2025 EMS (entur/abzu) delivered stabilization of the map UI by reverting experimental map tile configurations and re-integrating a robust map layer setup. The work focused on restoring a stable default map behavior, reducing configuration complexity, and aligning the map experience with production expectations. This sets a reliable baseline for future map features while improving end-user stability and performance.

March 2025

3 Commits • 1 Features

Mar 1, 2025

March 2025 monthly summary for entur/enki focused on improving developer onboarding and local testing reliability by updating the development environment configuration. The update keeps dev.json aligned with current tooling and workflows, reducing environment drift and setup issues for new and existing developers.

Activity

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Quality Metrics

Correctness95.0%
Maintainability91.4%
Architecture92.2%
Performance91.4%
AI Usage23.2%

Skills & Technologies

Programming Languages

JSONJavaJavaScriptMarkdownPythonTypeScriptYAMLplaintext

Technical Skills

AI integrationAPI IntegrationAPI developmentAPI integrationCI/CDCode RefactoringConfiguration ManagementContinuous IntegrationDevOpsDocumentationFrontend DevelopmentGitHub ActionsGraphQLHooksInfrastructure

Repositories Contributed To

3 repos

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

opentripplanner/OpenTripPlanner

May 2026 Jun 2026
2 Months active

Languages Used

JavaMarkdownYAMLTypeScript

Technical Skills

CI/CDCode RefactoringDocumentationGraphQLJavaMaven

entur/enki

Mar 2025 Jun 2026
10 Months active

Languages Used

PythonYAMLMarkdownJSONJavaScriptTypeScriptplaintext

Technical Skills

Configuration ManagementInfrastructureCI/CDGitHub ActionsDevOpsdocumentation

entur/abzu

Apr 2025 May 2026
6 Months active

Languages Used

JavaScriptTypeScriptJSONMarkdownplaintext

Technical Skills

LeafletReactReduxTypeScriptAI integrationconfiguration management