EXCEEDS logo
Exceeds
Oscar

PROFILE

Oscar

Oscar Bakker developed and maintained user-facing features and backend systems for the openstad/openstad-headless and Amsterdam/mijn-amsterdam-frontend repositories, focusing on scalable architecture and robust data handling. He implemented API-driven workflows using TypeScript and Node.js, modernized frontend components with React, and introduced observability through OpenTelemetry. Oscar improved CI/CD pipelines, streamlined developer onboarding with Docker-based tooling, and enhanced admin and user interfaces for accessibility and maintainability. His work included migrating to a gRPC-based headless API, refining state management, and ensuring data integrity across authentication, resource management, and voting systems, demonstrating a deep, iterative approach to both infrastructure and product engineering challenges.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

74Total
Bugs
7
Commits
74
Features
34
Lines of code
1,134,010
Activity Months11

Your Network

14 people

Work History

April 2026

4 Commits • 2 Features

Apr 1, 2026

April 2026 (2026-04) monthly summary for openstad/openstad-headless: Focused on clarifying the developer onboarding experience and streamlining dependency management. Delivered key documentation and workflow enhancements that reduce setup friction and improve reproducibility for new and existing contributors. Implemented Getting Started Documentation Improvements to fix Docker command syntax, remove unnecessary code block formatting for database initialization, and delete an empty code block for clarity. Also introduced a Docker-based npm script to update package-lock, simplifying dependency management in the development workflow.

March 2026

16 Commits • 5 Features

Mar 1, 2026

March 2026 — Openstad Headless matured into an API-first platform with architectural modernization and developer experience gains. Key features delivered include migrating from HTTP front-end to a headless API using gRPC for improved performance and decoupled frontends; a comprehensive observability program with OpenTelemetry; DevOps tooling and dependency management enhancements; a user-facing Like Widget configuration improvement; and code quality/documentation upgrades. Overall impact includes faster, more scalable API responses, better service visibility, safer dependency management, and easier maintainability for future frontend/backend evolution.

February 2026

6 Commits • 4 Features

Feb 1, 2026

February 2026 monthly summary for openstad-headless focused on stabilizing admin workflows, improving data quality, and boosting system safety and efficiency. Delivered four core capabilities, tackled configuration hygiene, and introduced structural improvements to support scalable operations.

January 2026

13 Commits • 7 Features

Jan 1, 2026

January 2026 — OpenStad Headless delivered a focused set of features and reliability improvements across the headless stack, enhancing content rendering, data reliability, admin UX, and maintainability. The work strengthens user-facing content capabilities, data integrity, and performance, enabling faster iteration and more scalable administration.

October 2025

7 Commits • 2 Features

Oct 1, 2025

October 2025 monthly summary for openstad/openstad-headless focusing on delivering a more responsive resource list and robust data persistence. Key accomplishments include UI/UX improvements to resource filtering, sorting, and URL state synchronization; persistence of selected resources and voting state across sessions via localStorage utilities; refactoring for maintainability and alignment with upstream contributions; and ongoing code quality improvements to reduce noise and simplify future changes. Overall, these efforts improved user experience, data consistency, and maintainability while delivering measurable business value around faster resource discovery and more reliable interactions.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025 monthly summary for openstad-headless focusing on delivering reliable resource handling and improving widget setup experience for multi-project deployments. Two focused outcomes were achieved: a bug fix to ensure correct resource fetching within the proper project context, and a UX-focused feature to persist widget default settings on creation.

June 2025

8 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for openstad-headless focused on delivering robust map UI capabilities, establishing first-class observability, and eliminating unnecessary event handling to improve reliability and user experience. The work across the BaseMap, Telemetry integration, and navigation cleanup provided measurable business value through improved data rendering, better monitoring, and reduced client-side navigation issues.

May 2025

1 Commits • 1 Features

May 1, 2025

Monthly summary for 2025-05 for repository openstad/openstad-headless. Focused on delivering Two-Factor Roles Configuration in the Authentication System, aligning admin UI and API persistence, and tightening role management to improve security and governance.

January 2025

1 Commits • 1 Features

Jan 1, 2025

Month 2025-01: Delivered CI/CD Quality Gate Enhancements for Amsterdam/mijn-amsterdam-frontend, focusing on release risk reduction and release-note clarity. Implemented a check for disallowed double quotes in PR titles and refactored the release notification workflow to conditionally output categorized release notes. These changes improve release hygiene, traceability, and communication of changes to stakeholders.

December 2024

9 Commits • 5 Features

Dec 1, 2024

December 2024 monthly summary for Amsterdam/mijn-amsterdam-frontend: Key features delivered across Bodem, AVG, Burgerzaken, and Parkeren; major bug fixes; improved UX and maintainability; strong business value demonstrated through design system adoption, unified filtering, and personalized UI.

November 2024

7 Commits • 4 Features

Nov 1, 2024

November 2024 monthly summary for Amsterdam frontend work focused on delivering robust user-facing features, stabilizing release workflows, and improving UX accessibility. Key features and improvements were delivered across the Amsterdam/mijn-amsterdam-frontend repository, with targeted fixes to ensure data integrity, accessible interfaces, and reliable release communications. The work tightened data modeling for parking services, enhanced UI for accessibility, refined scroll behavior on navigation, refreshed header visuals for Burgerzaken, and improved the accuracy of release notes and filtering logic.

Activity

Loading activity data...

Quality Metrics

Correctness90.4%
Maintainability87.0%
Architecture86.0%
Performance84.8%
AI Usage24.6%

Skills & Technologies

Programming Languages

BashCSSDockerfileHTMLJSONJavaScriptMarkdownReactSCSSShell

Technical Skills

API DevelopmentAPI IntegrationAPI developmentAPI integrationAsset ManagementBackend DevelopmentCI/CDCSSCloud InfrastructureComponent ArchitectureComponent DesignComponent-Based ArchitectureConfiguration ManagementDependency ManagementDesign Systems

Repositories Contributed To

2 repos

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

openstad/openstad-headless

May 2025 Apr 2026
8 Months active

Languages Used

JavaScriptTypeScriptCSSYAMLDockerfileHTMLJSONMarkdown

Technical Skills

API DevelopmentFull Stack DevelopmentNode.jsReactConfiguration ManagementDevOps

Amsterdam/mijn-amsterdam-frontend

Nov 2024 Jan 2025
3 Months active

Languages Used

JavaScriptReactSCSSTypeScriptYAMLHTMLBash

Technical Skills

API IntegrationAsset ManagementBackend DevelopmentCI/CDCSSFrontend Development