EXCEEDS logo
Exceeds
Harshit Chauhan

PROFILE

Harshit Chauhan

Over the past year, contributed to the nammayatri/nammayatri and shared-kernel repositories by building and refining backend systems for ride hailing, financial processing, and observability. Developed robust APIs, enhanced Redis-based caching and synchronization, and implemented modular configuration management using Haskell and Python. Focused on data integrity, concurrency control, and code quality, introducing features like dynamic driver configuration, granular ride search, and metrics-driven monitoring. Improved reliability through race condition fixes, advanced logging, and CI tooling updates. The work emphasized maintainable architecture, efficient database interaction, and scalable distributed systems, supporting business needs for accurate settlements, operational transparency, and streamlined developer workflows.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

81Total
Bugs
7
Commits
81
Features
33
Lines of code
13,541
Activity Months12

Work History

July 2026

3 Commits • 2 Features

Jul 1, 2026

July 2026 performance summary for nammayatri/shared-kernel focused on reliability, observability, and code quality improvements. Delivered metrics-driven enhancements for the SMS provider and instituted stronger code standards to enable maintainability and faster delivery of fixes and features.

June 2026

22 Commits • 8 Features

Jun 1, 2026

June 2026 performance highlights across the shared-kernel and nammayatri repos focused on performance, flexibility, and reliability. Key work includes data-layer refinement with Redis caching, cloud-aware scheduling and driver data handling, and stronger CI/tools that accelerate delivery while reducing operational risk.

May 2026

12 Commits • 4 Features

May 1, 2026

Month: 2026-05 Key features delivered and improvements: - Enhanced Redis LTS integration with multi-Redis configuration (primary/secondary) via ltsRedisCfg, improving caching robustness and data reliability for driver pool data, idempotency keys, and zone metrics across nammayatri/nammayatri. - Driver pool synchronization improvements with LTS: added missing fields (ride status, trip end location, air conditioning scores), introduced a locking mechanism to prevent race conditions, and ensured only changed values are updated to avoid overwrites. - ConfigPilot modularization: refactored into a library structure to improve modularity and reusability across applications. - Shared-kernel support: introduced LTS Redis typeclass and environment support to streamline multi-environment configurations. Major bugs fixed: - Fixed race conditions in LTSSync with locking mechanism to ensure data consistency under concurrent updates. - Corrected wrong updates in LTS sync logic to preserve data integrity. - Moved a special zone queue metric to primary Redis to improve metric accuracy. - Stabilized the build with a compilation fix and improved idempotency key handling via master Redis to ensure cross-instance deduplication. Overall impact and accomplishments: - Higher data reliability and consistency across distributed Redis deployments, with cross-cloud synchronization improvements and more resilient caches. - Reduced unnecessary writes and race-condition risks in driver pool updates. - Cleaner, reusable architecture enabling faster feature delivery and easier maintenance through ConfigPilot libraryization and shared-kernel abstractions. Technologies and skills demonstrated: - Advanced Redis/LTS configurations with multi-Redis support. - Concurrency control with locking, delta updates, and idempotency key management. - Architectural refactoring to library modules for ConfigPilot and shared abstractions (typeclass pattern). - Cross-repo impact alignment between nammayatri/nammayatri and shared-kernel to standardize environment handling.

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026 focused on elevating code quality in the nammayatri/nammayatri repository by updating the Flake8 configuration to enforce stricter linting and formatting standards. The change, tracked in commit 4fa110420ca81f19b03630c72868583d632d7d8f (flake-update), reduces lint-related PR blockers, improves code readability, and supports consistent CI checks across the codebase. This initiative enhances maintainability, accelerates onboarding for new contributors, and enables safer, faster deployments.

January 2026

1 Commits • 1 Features

Jan 1, 2026

Month: 2026-01 — Focused on elevating observability in the shared-kernel to improve reliability and fault diagnosis. Key feature delivered: Observability Enhancement: Producer Error Metrics, introducing a new producer error metric (VM counter) to quantify producer-side failures and enable proactive alerting. The work is backed by the commit 0206784426d31268fe7487c20d8731b92ffec57d (backend/enh/added-producer-vm-counter). This delivers real-time visibility into producer errors, supports faster MTTR, and informs capacity planning and reliability improvements. There were no major bug fixes reported within the provided scope for this month. Technologies/skills demonstrated include backend instrumentation for observability, metrics collection and naming, and disciplined use of version control to add instrumentation with measurable business impact.

December 2025

4 Commits • 3 Features

Dec 1, 2025

December 2025 monthly summary for nammayatri/nammayatri focused on boosting observability, expanding data-driven driver metrics, and stabilizing critical flows to deliver reliable, monitorable, and scalable backend services. Key improvements enable better fault diagnosis, traceability across cross-service calls, and richer driver- and destination-data to support business decisions and customer experience.

November 2025

14 Commits • 5 Features

Nov 1, 2025

November 2025 (2025-11) monthly summary for nammayatri/nammayatri. Delivered notable improvements across driver rides reliability, booking efficiency, location data, and internal processes. Focused on business value: increased driver reliability and satisfaction, faster and more accurate matching, and stronger data integrity and payout safety. Key outcomes include enhancements to Go Home behavior and lock duration, optimized driver pool and advanced booking handling for forward batching, API and distance data improvements (detailed search, longer snap-to-road expiry, and distance calculations), and robust data integrity and payout safety mechanisms, plus naming consistency for FCM services.

October 2025

8 Commits • 4 Features

Oct 1, 2025

Concise monthly summary for Oct 2025: Delivered key features and fixes in nammayatri/nammayatri to strengthen search reliability, driver verification visibility, and financial integrity, while improving ride-matching accuracy and data consistency. Notable work includes a configurable device ID verification flag for search requests, a Driver verification status API with a helper, Redis-based locking for coin-to-cash conversions, safeguards to prevent low-value payments from triggering orders, and validation hardening for ride start coordinates.

September 2025

1 Commits

Sep 1, 2025

September 2025 — Delivered a critical fix in the nammayatri/shared-kernel to ensure Travel Mode data is accurately transmitted to Kafka for logging. The change updated OSRM request payloads and introduced helper utilities to guarantee correct travel mode propagation and to improve observability of OSRM API calls. This reduced data discrepancies in analytics and strengthened troubleshooting workflows across the logging pipeline.

August 2025

1 Commits • 1 Features

Aug 1, 2025

Month: 2025-08 — Key feature delivered: Time utility secondsToMinutesCeil added to Time.hs in nammayatri/shared-kernel to convert seconds to ceiling-rounded minutes, enabling duration representations in whole minutes without fractions. No major bugs fixed during this month. Overall impact: improves time formatting consistency for user interfaces and downstream analytics, enabling clearer duration metrics and more precise reporting. Technologies/skills demonstrated: Haskell functional utility design, module-time integration, and provenance through a focused commit (171bec2c2330f115abf3d493aeedf97864df83fe).

July 2025

7 Commits • 3 Features

Jul 1, 2025

July 2025 performance summary for nammayatri/nammayatri: Delivered key features and fixes across billing, streaming resilience, and ride lifecycle. Work focused on business value, reliability, and scalable architecture to support growth and accurate revenue distribution.

June 2025

7 Commits • 1 Features

Jun 1, 2025

June 2025 monthly performance summary for nammayatri/nammayatri focused on delivering business-value-driving backend improvements and ensuring financial accuracy. Key feature delivered: Driver Ride Requests Search API with a data model supporting filtering by driver ID and date ranges, including location context, pagination, and a dedicated listing endpoint to enable granular data retrieval for operators and drivers. Major bug fix: Vendor Fee Calculation and Settlement Correctness, ensuring vendor fees are calculated and deducted only for processed driver fees and applying robust filtering during split and payment settlements to prevent discrepancies. Overall impact includes improved data accuracy for settlements, enhanced data access for operators/drivers, and reduced risk of revenue leakage. Technologies/skills demonstrated include API-first backend design, data modeling, pagination and filtering patterns, code hygiene (comment cleanup), and cross-functional collaboration with finance and operations. Business value achieved: reliable revenue recognition, streamlined driver/operator workflows, and stronger financial controls.

Activity

Loading activity data...

Quality Metrics

Correctness86.0%
Maintainability83.2%
Architecture83.0%
Performance81.2%
AI Usage25.4%

Skills & Technologies

Programming Languages

HaskellNixPythonSQLYAML

Technical Skills

API DesignAPI DevelopmentAPI IntegrationAPI designAPI developmentAPI integrationBackend DevelopmentClickhouseConcurrencyConfiguration ManagementData ModelingDatabase InteractionDatabase ManagementDatabase MigrationsDatabase Queries

Repositories Contributed To

2 repos

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

nammayatri/nammayatri

Jun 2025 Jun 2026
8 Months active

Languages Used

HaskellSQLYAMLNixPython

Technical Skills

API DesignBackend DevelopmentClickhouseData ModelingDatabase InteractionDatabase Management

nammayatri/shared-kernel

Aug 2025 Jul 2026
6 Months active

Languages Used

HaskellPython

Technical Skills

Backend DevelopmentUtility Function DevelopmentAPI IntegrationLoggingHaskellbackend development