EXCEEDS logo
Exceeds
manu johnson

PROFILE

Manu Johnson

Manu Johnson contributed to the nammayatri/nammayatri repository over ten months, delivering features such as journey feedback APIs, booking list filtering, and enhanced transit planning. He applied Haskell and SQL to design robust backend APIs, implement data modeling improvements, and manage database schema changes, enabling richer analytics and more accurate user experiences. Manu addressed region-specific mapping, internationalization, and observability by refining API integrations and introducing detailed logging. His work included frontend and mobile enhancements, such as stabilizing safety-critical flows and improving support routing. The depth of his contributions is reflected in end-to-end feature delivery, careful bug fixes, and maintainable code.

Overall Statistics

Feature vs Bugs

84%Features

Repository Contributions

23Total
Bugs
3
Commits
23
Features
16
Lines of code
1,111
Activity Months10

Work History

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 monthly summary focusing on delivering enhancements to Special Location Gates metadata in nammayatri/nammayatri, enabling richer gate information for merchants' special locations. Implemented gate tags and walk descriptions, updated the data model and storage, setting groundwork for improved discovery, filtering, and analytics. No major bugs reported this month; two feature commits completed across the repository.

June 2025

1 Commits

Jun 1, 2025

June 2025 monthly summary for nammayatri/nammayatri. Focused on stabilizing the NammaSafetyScreen hybrid flow by implementing robust back-press handling and payload validation to ensure safe navigation during safety-critical steps. Delivered a targeted fix to prevent premature termination and ensure rideConfirmed flows continue, improving reliability in critical user journeys.

May 2025

1 Commits • 1 Features

May 1, 2025

For May 2025, the focus was on enhancing FRFS tracking observability in the nammayatri/nammayatri repository to improve debugging and reliability. Delivered detailed debug logs across the FRFS tracking flow, including quote retrieval, rider location, and vehicle waypoint data, enabling faster root-cause analysis and issue reproduction. No major bugs fixed this month; changes are instrumentation and observability improvements. This work supports faster issue resolution, better operational visibility, and improved customer experience through more reliable tracking.

April 2025

2 Commits • 2 Features

Apr 1, 2025

April 2025 monthly summary for nammayatri/nammayatri. Focused on improving transit planning accuracy and pricing transparency. Delivered and stabilized two core capabilities in the repository: - Next Stop Determination for Multimodal Transit: refactored stop lookup, polyline decoding, and waypoint calculations for metro/subway lines to reliably identify the next stop based on vehicle position and route data. Targeted fix deployed under commit 56644b842f9adae79128daf164dba2fdb9f0ff06 (FIX : multimodal nextStop for metro). - Fare Estimation: Min/Max Fare Fields in JourneyLeg: extended the JourneyLeg data structure to include estimated min/max fares and updated getJourneys to surface these estimates, enabling clearer pricing in journey results. Commit c59a48c266ad2462bde24bf7a50974f093a97f2e (fares in journeyLeg).

March 2025

4 Commits • 3 Features

Mar 1, 2025

March 2025 monthly summary for nammayatri/nammayatri: Focused on delivering data-rich features, improving feedback flows, and stabilizing route responses to drive improved customer experience and operational efficiency.

February 2025

2 Commits • 2 Features

Feb 1, 2025

February 2025 — nammayatri/nammayatri: Focused on targeted merchant support routing and richer journey feedback analytics. Delivered merchant-type routing in BottomDrawerListAC with targeted support channels (NAMMAYATRI, YATRI, YATRISATHI) including temporary WhatsApp logic, and introduced a GET JourneyEndFeedback API along with data model enhancements to store per-leg travel mode for deeper journey analytics. These changes streamline merchant support, improve channel effectiveness, and enable data-driven improvements across the customer journey.

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 monthly summary: Implemented Journey Feedback Collection API for nammayatri, enabling ratings, comments, and mode-specific feedback. Delivered new endpoint, data models, updated API specs, domain types, and storage schemas, plus the feedback submission flow. This work enhances user feedback capture, supports analytics, and informs product decisions. No critical bugs reported this month; groundwork laid for downstream analytics and personalization. Commit referenced: a3ca9b16986417254a08cba5f6fb951f3e7ecbbb.

December 2024

3 Commits • 1 Features

Dec 1, 2024

December 2024 — Delivered Booking List Filtering Enhancements for nammayatri/nammayatri, enabling date-range filtering, multi-status filtering, and millisecond-based date parameters with UTC conversion. Implemented robustness fixes for time-related thresholds and durations. Fixed date-parameter handling for the My Rides endpoint. Result: more accurate, faster booking filtering, improved cross-time-zone reporting, and reduced support overhead. Technologies/skills: Backend API design, date/time parameter parsing, UTC normalization, multi-filter orchestration, commit-driven traceability.

November 2024

5 Commits • 3 Features

Nov 1, 2024

November 2024 performance summary: Delivered targeted map-service enhancements and a dependency upgrade across shared-kernel and nammayatri repos. Achievements include a bug fix that corrects France country-code mapping in Google Maps API results; added configurable autocomplete parameters for map services; introduced per-country autocomplete configuration and mock testing support via SQL migrations; and upgraded the shared-kernel Prometheus Haskell dependency for stability and potential feature improvements. These changes improve location search relevance for users, enable flexible localization, support testing parity across environments, and reduce technical risk.

October 2024

2 Commits • 2 Features

Oct 1, 2024

Month: 2024-10 — Delivered targeted enhancements in regional mapping and dependency upgrades across two repositories. The work improved regional data accuracy for Netherlands under France configuration and ensured alignment with the latest shared kernel, boosting stability and reproducibility.

Activity

Loading activity data...

Quality Metrics

Correctness83.0%
Maintainability82.6%
Architecture79.6%
Performance75.6%
AI Usage25.2%

Skills & Technologies

Programming Languages

DhallHaskellNixPurescriptSQLYAML

Technical Skills

API DesignAPI DevelopmentAPI IntegrationAPI developmentBackend DevelopmentConfiguration ManagementData ModelingDatabase ManagementDatabase QueryingDatabase Schema DesignDependency ManagementFrontend DevelopmentHaskellHaskell ProgrammingHaskell programming

Repositories Contributed To

2 repos

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

nammayatri/nammayatri

Oct 2024 Feb 2026
10 Months active

Languages Used

NixDhallHaskellSQLYAMLPurescript

Technical Skills

Backend DevelopmentDependency ManagementConfiguration ManagementDatabase ManagementAPI DevelopmentDatabase Querying

nammayatri/shared-kernel

Oct 2024 Nov 2024
2 Months active

Languages Used

Haskell

Technical Skills

Backend DevelopmentInternationalizationAPI IntegrationConfiguration Management