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Jitu Rajak

PROFILE

Jitu Rajak

Over 17 months, contributed to the nammayatri/nammayatri repository by building and enhancing backend systems for fleet, driver, and payment management. Delivered robust API integrations, analytics dashboards, and document verification workflows using Haskell, SQL, and Redis, focusing on data integrity, security, and operational scalability. Implemented features such as encrypted identity fields, configurable payout processing, and onboarding automation, while evolving data models to support compliance and auditability. Refactored core modules for maintainability, introduced flexible booking and scheduling logic, and integrated external services for analytics and learning management. Prioritized reliability, clear data contracts, and seamless user experiences across evolving business requirements.

Overall Statistics

Feature vs Bugs

90%Features

Repository Contributions

122Total
Bugs
7
Commits
122
Features
60
Lines of code
23,580
Activity Months17

Work History

July 2026

5 Commits • 2 Features

Jul 1, 2026

July 2026: Onboarding and Driver Registration enhancements and verification flow improvements delivered, boosting onboarding speed, data quality, and maintainability. Consolidated document validation with extended metadata types, added address support, and introduced BusinessLicenseExtra queries, while refactoring document approval logic to streamline handling of invalid documents. Implemented bot-flow-based verification with PENDING status for invalid documents and removed AadhaarInvalid error handling, complemented by simplified driver license verification logic. These changes reduce manual rework, improve data quality, and increase onboarding throughput.

June 2026

2 Commits • 1 Features

Jun 1, 2026

June 2026 was focused on strengthening document verification workflows and metadata capabilities to improve compliance, onboarding speed, and data quality. Delivered API and data model enhancements across the nammayatri repository to expose richer document metadata (driver licenses, Aadhaar, PAN) and support new document approval types. Introduced a new vehicle documents endpoint and expanded document metadata types to include vehicle-related documents, along with updates to driver registration schemas to accommodate these requirements. No standalone major bugs were identified this month; minor API validation and compatibility adjustments were completed as part of the feature work to ensure backward compatibility. Overall impact includes faster, more reliable verification, improved auditability, and stronger data contracts for downstream processes. Technologies/skills demonstrated include backend API design, API/schema evolution, REST endpoint development, and data modeling with emphasis on maintainability and backward compatibility.

May 2026

6 Commits • 2 Features

May 1, 2026

Month: 2026-05 focused on delivering business-value features, strengthening security, and stabilizing core payment workflows for the Nammayatri platform. Key deliverables include precise driver earnings tracking via enhanced payout metadata, a scalable SMS messaging framework with token-based authentication, and robust cancellation handling on payment failures. The work spanned backend data model changes, API improvements, and security/test enhancements to support 2FA workflows and cross-service messaging.

April 2026

4 Commits • 3 Features

Apr 1, 2026

April 2026 (2026-04) performance highlights for nammayatri/nammayatri. Delivered core fleet management capabilities, enhanced security auditing, and API data model improvements. Implemented payout tracking in ride data, and fixed a deployment-related fleet vehicle assignment bug. Resulting in improved operational efficiency, security visibility, and data-driven insights for fleet management and rider programs.

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for nammayatri/nammayatri: Delivered Ride Payout Virtual Payment Address (VPA) Retrieval to support payout processing for rides. The feature retrieves the Virtual Payment Address to streamline and automate ride payout settlements, improving payment reliability and cash flow accuracy.

February 2026

9 Commits • 8 Features

Feb 1, 2026

February 2026 monthly performance summary focusing on key features delivered, major bugs fixed, and overall impact across the nammayatri repos. This period delivered core fleet management improvements, data integrity enhancements, flexible booking options, clearer driver identity in APIs, and external LMS integration to boost onboarding readiness, while tightening access controls and laying groundwork for LMS-driven learning across modules.

January 2026

6 Commits • 3 Features

Jan 1, 2026

January 2026 - nammayatri/nammayatri: Delivered backend features and fixes that strengthen booking lifecycle, billing accuracy, and fleet reliability, with a configurable approach to scheduling. Key outcomes: (1) Cancellation API and flow improvements for better fleet coordination and user experience; (2) Invoice API enhancements enabling riderName visibility and rider-app-sourced customer data for clearer invoices; (3) Integrity guardrail preventing removal of drivers with active rides; (4) Scheduling flexibility via enableScheduleReallocation, with updated reallocation logic and schema. Business impact: reduced cancellation friction, improved invoice clarity, lowered risk of fleet disruption, and more adaptable scheduling to match demand. Technologies/skills demonstrated: API design, type-safe data modeling, backend refactoring, configuration-driven features, and data sourcing from rider-app.

December 2025

19 Commits • 5 Features

Dec 1, 2025

December 2025 monthly summary for nammayatri projects, focusing on delivering business value through deep API integration, analytics improvements, and data integrity across two repositories (nammayatri/nammayatri and nammayatri/shared-kernel).

November 2025

13 Commits • 9 Features

Nov 1, 2025

In November 2025, delivered a comprehensive backend enhancement set across nammayatri/nammayatri and shared-kernel to boost data integrity, analytics capabilities, and developer productivity, with a clear focus on business value and maintainability. Implemented schema improvements, expanded analytics APIs, strengthened reliability, and introduced governance-oriented features that enable richer insights and faster, safer data operations.

October 2025

7 Commits • 4 Features

Oct 1, 2025

October 2025 monthly summary focusing on business value delivered through analytics, payment and verification improvements, and data processing robustness across nammayatri/nammayatri and shared-kernel. This period delivered new fleet analytics capabilities, config-driven payments, simplified identity verification logic, and several reliability fixes, resulting in improved operational insights, user experience, and data integrity.

September 2025

3 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary for nammayatri/nammayatri focused on backend enhancements to drive business value: implemented multi-method driver payout configuration and improved analytics reliability and governance. Key improvements include new payout fields, enhanced onboarding validation, and analytics configuration cleanup, all contributing to payout accuracy, better driver pool calculations, and reduced operational risk.

August 2025

11 Commits • 5 Features

Aug 1, 2025

August 2025 (2025-08) monthly performance summary for repository nammayatri/nammayatri. Delivered a robust analytics capability, hardened driver status workflows, and reliability improvements across onboarding and data auditing. The work focused on delivering business value through analytics, reliability, and scalable configurations.

July 2025

4 Commits • 2 Features

Jul 1, 2025

July 2025: Delivered security-focused enhancements for driver onboarding and streamlined admin verification in nammayatri/nammayatri. Key features include encrypted driver identity fields (PAN, Aadhaar, DL), improved name validation percentage, GST handling, and robust RC association checks with optional RC handling to simplify driver-vehicle linkage. Admin-level bypass for document verification across APIs, with updated API specs and type definitions to support admin workflows. Major bug fixes include extending driver document validation with GST handling and improved duplicate checks for PAN/Aadhaar/GST, and refactoring RC association logic. Overall impact: higher data security and validation accuracy, faster onboarding, and reduced manual admin overhead, enabling scalable growth. Technologies/skills demonstrated include backend security (encryption of PII), data validation, API design, versioned changes, and governance improvements.

June 2025

16 Commits • 6 Features

Jun 1, 2025

June 2025 monthly summary: Delivered key back-end and data-layer enhancements across nammayatri/nammayatri and nammayatri/shared-kernel, focusing on business value, security, data integrity, and analytics readiness. Implemented comprehensive Driver/Fleet/Operator associations with auditing, Redis-based status tracking, and central checks via the DDriver module; enhanced data validation and visibility of vehicle approval status; introduced API governance and search improvements; advanced analytics support in ClickHouse; and calibrated identity validations with Indian mobile numbers and Idfy name comparison.

May 2025

12 Commits • 4 Features

May 1, 2025

May 2025 monthly summary focusing on delivering business value through robust fleet/driver management, enhanced data ingestion and verification, and enriched driver analytics, while expanding the data infrastructure (ClickHouse) to enable deeper insights and scalable operations across the Nam May Tar i platforms.

April 2025

3 Commits • 2 Features

Apr 1, 2025

April 2025: Implemented core API enhancements in nammayatri/nammayatri delivering analytics and strengthened access control, enabling deeper driver/fleet insights, better auditing, and scalable vehicle management.

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025: Delivered a unified referral tracking and linking capability for fleet and driver operator roles. Refactored the referral system to consolidate implementation, enabling retrieval of referral details, role validation, and linking logic between fleet and driver operators. The work supports multiple referral types and enhances business visibility and customer acquisition workflows, while reducing maintenance complexity.

Activity

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Quality Metrics

Correctness85.8%
Maintainability82.8%
Architecture83.4%
Performance79.2%
AI Usage27.6%

Skills & Technologies

Programming Languages

CabalDhallHaskellJSONJavaScriptSQLYAML

Technical Skills

API DesignAPI DevelopmentAPI IntegrationAPI RefactoringAPI TestingAPI designAPI developmentAPI integrationAccess ControlAnalytics IntegrationBackend DevelopmentCSV HandlingCachingClickHouseClickhouse

Repositories Contributed To

2 repos

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

nammayatri/nammayatri

Mar 2025 Jul 2026
17 Months active

Languages Used

HaskellSQLYAMLCabalDhallJSONJavaScript

Technical Skills

API DevelopmentBackend DevelopmentDatabase ManagementFeature ImplementationRefactoringSystem Design

nammayatri/shared-kernel

May 2025 Feb 2026
6 Months active

Languages Used

Haskell

Technical Skills

Backend DevelopmentClickhouseDatabase IntegrationHaskellAPI IntegrationInput Validation