EXCEEDS logo
Exceeds
shinji-nakashima

PROFILE

Shinji-nakashima

Shinji Nakashima developed and maintained the Hopin-inc/civicship-portal and civicship-api platforms, delivering robust user-facing features and backend capabilities over nine months. He engineered scalable GraphQL APIs, integrated authentication flows using TypeScript and Node.js, and implemented batch processing for verifiable credentials and ticketing. His work included database schema design and migrations with Prisma and SQL, as well as frontend enhancements in React for improved UI/UX and performance. Shinji focused on deployment reliability through CI/CD automation, code quality via refactoring and type safety, and data integrity with rigorous error handling, resulting in maintainable, secure, and business-aligned product evolution.

Overall Statistics

Feature vs Bugs

49%Features

Repository Contributions

358Total
Bugs
99
Commits
358
Features
96
Lines of code
45,803
Activity Months9

Work History

August 2025

13 Commits • 4 Features

Aug 1, 2025

August 2025 (Hopin-inc/civicship-api): Delivered meaningful business and technical gains across batch processing, data integrity, safety, observability, and data processing for VC issuance. Highlights include scalable batch DID/VC request processing, restored API keys and NFT wallet data model migrations, hardened invocation safety and endpoint correctness, enhanced Axios logging with redaction and log pruning, and refactored VC issuance data processing for schema validation and simplified handling. Additionally, environment variable naming for Identus API key was corrected to reduce misconfiguration risk.

July 2025

35 Commits • 9 Features

Jul 1, 2025

July 2025 performance highlights across civicship-api and civicship-portal. Delivered batch processing for DIDs/Verifiable Credentials, UI/UX enhancements, robust CI/CD automation, and targeted data integrity/security hardening. These efforts improved deployment velocity, stability, and data consistency while enhancing user experience and maintainability.

June 2025

92 Commits • 23 Features

Jun 1, 2025

June 2025 performance summary for Hopin-facing product work across civicship-portal and civicship-api. Focused on delivering user-facing features, performance optimizations, and reliability improvements, with measurable business value in onboarding flow, ticket data integrity, and UI consistency.

May 2025

153 Commits • 40 Features

May 1, 2025

May 2025 monthly summary for Hopin-inc projects: Civicship-portal delivered Ticket Issue Page UI and applied latest GraphQL schema, accompanied by broad UI/UX improvements and admin reservations enhancements; Civicship-api introduced phone-based identity support and migrations/token-updater, with batch processing core fixes and improved deployment workflows. Environment/config improvements and code quality hardening increased reliability and developer velocity. CI/CD workflow stabilization and release tagging improved deployment hygiene and observability.

April 2025

41 Commits • 9 Features

Apr 1, 2025

April 2025 performance summary for Hopin-inc civicship-api and civicship-portal. Delivered measurable business value through media handling, multi-tenant readiness, observability enhancements, and deployment modernization. The month focused on delivering reliable features, stabilizing the GraphQL surface, and improving deployment resilience across API and portal layers.

March 2025

7 Commits • 3 Features

Mar 1, 2025

March 2025 performance highlights for Hopin-inc/civicship-api: Delivered a foundational LINE Messaging API integration with SDK setup, middleware, a basic callback endpoint, batch processing, and environment variable updates; overhauled GraphQL error handling with a unified error system and improved resilience; deprecated Redis-based rate limiting in favor of per-minute query complexity checks; stabilized runtime behavior through critical fixes in resolver error handling and type corrections in the LINE module. These changes reduce API errors, improve observability, and simplify scalability while preserving a robust developer experience.

February 2025

5 Commits • 2 Features

Feb 1, 2025

February 2025: Backend enhancements in civicship-api focused on improving maintainability and enabling upcoming business capabilities. Internal refactor of the points workflow, and a comprehensive data-model overhaul with GraphQL/TypeScript alignment, laying groundwork for richer opportunities/content features and analytics. Delivered with clear commit messages, keeping user impact minimal while reducing technical debt.

January 2025

10 Commits • 4 Features

Jan 1, 2025

January 2025 monthly summary for Hopin-inc projects (civicship-portal and civicship-api). Delivered end-to-end features, UI/UX improvements, and a major data-model overhaul to support scalable community wallet capabilities. Emphasized business value, reliability, and developer productivity through structured changes across frontend, API, and data layers.

December 2024

2 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary for Hopin-inc/civicship-portal focused on delivering foundational features and strengthening the GraphQL stack to enable scalable, maintainable development and better user experiences.

Activity

Loading activity data...

Quality Metrics

Correctness86.6%
Maintainability88.0%
Architecture83.0%
Performance83.2%
AI Usage22.0%

Skills & Technologies

Programming Languages

BashCSSDBMLDockerfileGitGraphQLHTMLJSONJavaScriptMarkdown

Technical Skills

API DevelopmentAPI IntegrationAccess ControlAnalyticsApollo ClientApollo ServerAuthenticationAuthorizationBackend DevelopmentBackend IntegrationBackend developmentBatch ProcessingBuild AutomationCI/CDCI/CD Configuration

Repositories Contributed To

2 repos

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

Hopin-inc/civicship-portal

Dec 2024 Jul 2025
6 Months active

Languages Used

GraphQLJavaScriptTypeScriptCSSDockerfileHTMLYAMLGit

Technical Skills

Front-end DevelopmentFrontend DevelopmentGraphQLNext.jsReactTypeScript

Hopin-inc/civicship-api

Jan 2025 Aug 2025
8 Months active

Languages Used

MarkdownPrismaSQLTypeScriptDBMLGraphQLJavaScriptDockerfile

Technical Skills

API DevelopmentBackend DevelopmentDatabase DesignDatabase ManagementDatabase Schema DesignDatabase Schema Management

Generated by Exceeds AIThis report is designed for sharing and indexing