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Sahitya Chandra

PROFILE

Sahitya Chandra

Over six months, contributed to cal.com and related repositories by building and refining full stack features, focusing on API development, authentication, and user experience. Delivered a unified calendar API with multi-connection support, enhanced onboarding flows, and improved localization, using TypeScript, Next.js, and React. Addressed reliability and security by upgrading dependencies, stabilizing CI/CD pipelines, and isolating embed styles. Implemented robust error handling, schema validation, and comprehensive testing strategies, including end-to-end and mocking techniques. Work emphasized maintainability through targeted refactoring and documentation updates, while cross-repo collaboration ensured consistent deployment and business continuity across backend, frontend, and DevOps workflows.

Overall Statistics

Feature vs Bugs

36%Features

Repository Contributions

29Total
Bugs
14
Commits
29
Features
8
Lines of code
5,715
Activity Months6

Work History

April 2026

4 Commits

Apr 1, 2026

In April 2026, delivered reliability and security improvements across cal.com and cal.diy with notable enhancements to test stability, security posture, and deployment consistency. Key reliability work stabilized the InstantBookingCreateService test suite by introducing a Proxy-based CalendarServiceMap mock to prevent real calendar module imports during tests, eliminating flaky failures and shutdown-related errors. Security hardening was achieved through major dependency upgrades: axios upgraded to 1.15.0 to fix critical CVEs, and protobufjs upgraded to 7.5.5 to address a high-severity vulnerability and stabilize CI for PRs. Deployment consistency was improved by aligning the Docker image push target to calcom/cal.com. These changes collectively reduce production risk, accelerate release readiness, and demonstrate strong cross-repo collaboration and modern dependency hygiene.

March 2026

5 Commits • 2 Features

Mar 1, 2026

March 2026 performance summary: Delivered a production-grade Unified Calendar API with Connections for calcom/cal.com, strengthened reliability, and enhanced user experience. The work enables multi-connection calendar integrations, preserved backward compatibility with legacy endpoints, and improves data integrity through comprehensive validation and robust error handling. The project also stabilized CI with targeted flaky-test fixes and delivered UX improvements around form field labels.

January 2026

1 Commits • 1 Features

Jan 1, 2026

Month: 2026-01 — Delivered onboarding flow optimization in calcom/cal.com that eliminates the unnecessary 'Select Account' step when only one account exists, improving onboarding speed and user experience. Implemented via a server-side check in getServerSideProps with a redirect when accounts.length === 1, and accompanied by refactoring for maintainability and test fixes.

September 2025

2 Commits

Sep 1, 2025

September 2025 monthly summary: Delivered two high-priority bug fixes across Cal.com repos, improving reschedule reliability and embed stability. Changes focused on maintaining business continuity for users and seamless partner integrations, with targeted refactoring and collaboration across teams to minimize risk.

August 2025

14 Commits • 4 Features

Aug 1, 2025

August 2025 performance summary for kart1ka/cal.com, anikdhabal/cal.com, and calcom/cal.com. Delivered meaningful UX and reliability improvements across localization, input validation, routing, and authentication/ownership. Business value includes improved multilingual user experience, reduced invalid data submissions, simplified product surface by removing unused pages, and strengthened ownership-based access controls. Technical execution demonstrates strong cross-repo collaboration, clear localization workflows, and robust API/docs enhancements while maintaining high-quality tests and fixtures.

July 2025

3 Commits • 1 Features

Jul 1, 2025

July 2025: Focused on stabilizing data seeding, improving error feedback for PayPal credential checks, and polishing mobile UI for availability/timezone. Delivered targeted fixes and UX improvements that reduce deployment risk, shorten issue resolution, and boost user satisfaction.

Activity

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Quality Metrics

Correctness91.6%
Maintainability88.2%
Architecture85.4%
Performance88.2%
AI Usage27.6%

Skills & Technologies

Programming Languages

CSSJSONJavaScriptMarkdownTypeScriptYAML

Technical Skills

API AuthenticationAPI DevelopmentBackend DevelopmentCI/CDCSSDatabase ManagementDevOpsDockerDocumentationError HandlingFrontend DevelopmentFull Stack DevelopmentFull stack developmentGoogle Calendar APIInternationalization

Repositories Contributed To

4 repos

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

kart1ka/cal.com

Jul 2025 Sep 2025
3 Months active

Languages Used

JavaScriptTypeScriptMarkdownCSS

Technical Skills

API DevelopmentBackend DevelopmentCSSDatabase ManagementError HandlingFrontend Development

calcom/cal.com

Aug 2025 Apr 2026
5 Months active

Languages Used

JavaScriptTypeScriptJSON

Technical Skills

Full stack developmentInternationalizationNext.jsReactTypeScriptFull Stack Development

anikdhabal/cal.com

Aug 2025 Aug 2025
1 Month active

Languages Used

TypeScript

Technical Skills

Frontend DevelopmentInternationalizationReact Hooks

calcom/cal.diy

Apr 2026 Apr 2026
1 Month active

Languages Used

JavaScriptYAML

Technical Skills

CI/CDDevOpsDockerdependency managementsecurity auditing