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arnab.kumar

PROFILE

Arnab.kumar

Over ten months, contributed to the nammayatri and shared-kernel repositories by building and enhancing backend systems focused on SMS delivery, authentication, safety workflows, and plan management. Leveraged Haskell, SQL, and JavaScript to design and integrate APIs for OTP delivery, secure SMS provider configuration, and scalable authentication. Implemented modular SMS integrations with Karix and Pinbix, introduced encryption for sensitive data, and delivered robust SOS incident handling with live tracking and ticketing. Enhanced operational analytics through dashboard metrics and improved plan administration with localization and vendor split APIs. Prioritized maintainability, security, and extensibility, supporting business goals through reliable, data-driven backend development.

Overall Statistics

Feature vs Bugs

87%Features

Repository Contributions

35Total
Bugs
3
Commits
35
Features
20
Lines of code
4,433
Activity Months10

Your Network

146 people

Work History

July 2026

2 Commits • 2 Features

Jul 1, 2026

July 2026 monthly summary focusing on key accomplishments and business impact for nammayatri/nammayatri. Highlights include delivery of API-enabled plan governance enhancements and subscription configuration capabilities, with no major bugs fixed this month. The work accelerates merchant onboarding, localization, and scalable subscription management while improving backend flexibility and integration readiness.

June 2026

3 Commits • 2 Features

Jun 1, 2026

June 2026 monthly summary for nammayatri/nammayatri focusing on business value and technical achievements. Delivered two major features with API and data-model changes, implemented edge-case handling, and introduced caching improvements to support plan editing workflows. Demonstrated end-to-end capability to support location-based payments and localization for plan administration.

May 2026

3 Commits • 2 Features

May 1, 2026

May 2026 (2026-05) was focused on delivering data-driven improvements to driver performance visibility, user-tracking reliability, and safety-state accuracy within the nammayatri platform. Key deliveries include new driver cancellation metrics in the Dashboard API, enhanced tracking URL prioritization for external SOS requests, and a fix to prevent pending safety concerns from being marked resolved when rides are cancelled. These changes improve operator decision-making, provide more relevant tracking information for users and support, and strengthen safety data integrity. The work demonstrates API design, metrics instrumentation, URL routing/prioritization logic, and robust state management.

April 2026

8 Commits • 2 Features

Apr 1, 2026

Month: 2026-04 — Delivered end-to-end SOS tracking with live tracking, state management, ticket creation, and tracking links; reintroduced payout history and referral history APIs; and stabilized backend with reliability fixes to improve data integrity and up-to-date rider estimates. These changes collectively enhanced real-time response, payout management capabilities, and data confidence across services.

March 2026

11 Commits • 5 Features

Mar 1, 2026

March 2026 delivered notable improvements across nammayatri’s core platforms, focusing on safety-critical SOS handling, richer ride- and ticket data, and stronger integration patterns. Key outcomes include faster and more reliable SOS incident responses, a new Driver Ride Details API for improved ride management, and enhanced ticket workflows that capture ride and issue context. In shared-kernel, Trinity API integration was strengthened with dynamic device-type configuration and a more flexible SOS trigger endpoint, complemented by extended ticket update payloads. These changes reduce database load, improve data quality for support and operations, and enable scalable integrations with external services, delivering measurable business value in safety, operations efficiency, and customer support readiness.

February 2026

1 Commits • 1 Features

Feb 1, 2026

Feb 2026: Delivered Messaging System Enhancement by adding MerchantMessage.messageType to enable clearer, role-specific messaging for riders and drivers. The change establishes a scalable foundation for targeted notifications and analytics, aligned with product goals to improve user experience and operational clarity.

January 2026

1 Commits • 1 Features

Jan 1, 2026

Delivered foundational security enhancement for the rider platform by implementing the Rider Platform Authentication API. This internal API enables secure access to rider-related functionalities and establishes groundwork for token-based authentication and future access controls. The implementation is tied to commit 86fe104f9cf3e1af895a45a787951330b63a58a5 with message 'Auth api for BAP'. Overall impact: improved security posture for rider features, clearer access boundaries, and a scalable auth foundation for upcoming features across the nammayatri/nammayatri repository.

December 2025

2 Commits • 2 Features

Dec 1, 2025

December 2025: Security enhancements and SMS delivery expansion across two repositories. Implemented encryption for SMS configuration data to protect OTP credentials, and integrated Pinbix as an additional SMS provider to diversify delivery options. No user-reported defects; changes are designed to reduce risk, improve reliability, and support business goals. Demonstrates cross-repo collaboration with a focus on security, scalability, and vendor flexibility.

November 2025

1 Commits • 1 Features

Nov 1, 2025

Month: 2025-11. Delivered Pinbix SMS provider integration for OTP delivery in nammayatri/shared-kernel. Implemented new configurations, API handling, and response mapping to support additional mobile carriers and improve OTP reliability. This work extends provider options and strengthens the OTP delivery pipeline with Pinbix.

October 2025

3 Commits • 2 Features

Oct 1, 2025

Month 2025-10: Implemented Karix SMS provider integration across two repositories (shared-kernel and nammayatri), introducing new modules and refactors to support Karix in SMS handling, OTP delivery, and provider configuration. This work enables reliable, scalable SMS delivery through Karix and positions the platform for easier addition of future providers.

Activity

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Quality Metrics

Correctness85.2%
Maintainability83.0%
Architecture83.0%
Performance83.4%
AI Usage27.4%

Skills & Technologies

Programming Languages

HaskellJavaScriptSQLUnknownYAML

Technical Skills

API DevelopmentAPI designAPI developmentAPI integrationBackend DevelopmentCode MaintenanceDebuggingHaskellSMS servicesasynchronous programmingbackend developmentdata modelingdatabase managementdatabase optimizationencryption

Repositories Contributed To

2 repos

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

nammayatri/nammayatri

Oct 2025 Jul 2026
9 Months active

Languages Used

HaskellYAMLSQLJavaScriptUnknown

Technical Skills

Haskellbackend developmentAPI integrationAPI developmentdatabase managementAPI Development

nammayatri/shared-kernel

Oct 2025 Mar 2026
4 Months active

Languages Used

Haskell

Technical Skills

API integrationHaskellSMS servicesbackend developmentencryptionAPI Development