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Subhayu Bhattacharjee

PROFILE

Subhayu Bhattacharjee

Subbh worked on the equinor/mad repository, delivering four features and resolving a critical authentication bug over five months. He built an offline banner component to improve user experience during connectivity loss, upgraded the Maintenance API wrapper with new data models and deprecation strategies, and enhanced UI readability by supporting multiline accordion titles. Subbh migrated authentication from MSAL to Expo AuthSession, implementing custom scope caching to stabilize silent authentication across environments. His work involved React Native, TypeScript, and JavaScript, with a focus on API development, component design, and authentication reliability, demonstrating a thoughtful approach to maintainability and user-centric engineering.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

7Total
Bugs
1
Commits
7
Features
4
Lines of code
18,003
Activity Months5

Work History

September 2025

1 Commits

Sep 1, 2025

September 2025 monthly summary: Stabilized the web authentication flow in equinor/mad by implementing a custom scope caching mechanism to manage scopes during silent authentication after migrating to expo-auth-session, delivering reliable sign-in across environments and reducing user-reported auth failures.

August 2025

1 Commits • 1 Features

Aug 1, 2025

Month: 2025-08. Delivered a feature upgrade for the equinor/mad repository by upgrading Expo SDK to v53 and migrating the authentication flow from MSAL to Expo AuthSession. Implemented mocks for Expo AuthSession and updated tests to validate the new flow. This work prepares the app for React Native's new architecture and improves authentication reliability and test coverage, while coordinating changes with the existing CI/tests.

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 2025: Delivered UI improvements in the equinor/mad repository by enabling multiline accordion titles, fixing overflow, and enhancing layout for long titles. The work improves readability, reduces truncation, and delivers clearer data presentation with minimal performance impact.

April 2025

2 Commits • 1 Features

Apr 1, 2025

April 2025: Delivered the Maintenance API wrapper upgrade to v1.37.0, introducing new overhead maintenance work order models, refactoring maintenance data models, and deprecating cmrIndicator across work order types. Updated documentation and migration notes to support client adoption and back-compat improvements. No major bugs fixed this month. This work enhances scalability and maintainability of overhead maintenance workflows, provides richer data models, and improves integration readiness for downstream systems. Technologies demonstrated include API versioning, typed data modeling, deprecation strategies, and documentation governance.

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 monthly summary for equinor/mad. Key accomplishments include delivering Offline Banner feature with offline UX improvements and documentation. Major bugs fixed: none reported. This work enhances user experience when offline and lays groundwork for offline-first patterns, aligning with business goals.

Activity

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Quality Metrics

Correctness85.8%
Maintainability85.8%
Architecture80.0%
Performance77.2%
AI Usage25.8%

Skills & Technologies

Programming Languages

JavaScriptMarkdownTypeScript

Technical Skills

API DevelopmentAPI VersioningAuthenticationChoreCode GenerationComponent DevelopmentDocumentationExpoFront-end DevelopmentFrontend DevelopmentJavaScriptJestMSALMockingReact

Repositories Contributed To

1 repo

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

equinor/mad

Jan 2025 Sep 2025
5 Months active

Languages Used

JavaScriptTypeScriptMarkdown

Technical Skills

Component DevelopmentDocumentationReact NativeState ManagementAPI DevelopmentAPI Versioning

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