• Owned end-to-end engineering of production Android and iOS Location SDKs distributed to enterprise customers, covering SDK architecture, public API design, semantic versioning, backward compatibility, release management, and long-term maintenance.
• Designed and evolved public SDK APIs in Kotlin and Swift, maintaining source and binary compatibility across releases so existing enterprise integrations could upgrade without rewriting integration code.
• Engineered background location and activity recognition pipelines using Android Location APIs, Foreground Services, WorkManager, and Kotlin Coroutines/Flow, sustaining reliable collection across Doze, App Standby, and OEM background execution restrictions.
• Reduced SDK battery consumption by profiling with Battery Historian and Android Profiler and retuning wake-lock behaviour, location request cadence, and background scheduling, while preserving location accuracy for customer use cases.
• Implemented real-time telemetry delivery using MQTT and IoT Pub/Sub alongside REST and GraphQL integrations, with background synchronization for intermittent-connectivity conditions.
• Supported enterprise SDK integrations for customer applications including GasNow (1M+ Google Play downloads), Klara (1M+ downloads), and SprintCrowd (5K+ downloads), onboarding client engineering teams and validating production releases.
• Applied mobile security best practices across SDK releases: secure credential handling, encrypted local storage, network inspection with Charles Proxy, and hardening validation using MobSF, Jadx, and Frida.
• Mentored 3 junior Android engineers through code reviews, architecture walkthroughs, and pair programming; introduced AI-assisted development workflows (Claude) into daily engineering practice.

• Built and shipped four production Android applications from the ground up — WayCool, Quality Digitization, Benchmarkers, and MyPrice — collectively exceeding 25,000+ Google Play downloads.
• Architected applications on MVVM with Android Architecture Components, Kotlin Coroutines, and Room/SQLite offline storage, establishing modular, maintainable structure across the app portfolio.
• Reduced crash rate from 3.2% to 0.8% across all applications by instrumenting Firebase Crashlytics, triaging top crash clusters, and eliminating lifecycle, threading, and null-safety defects.
• Built push notification infrastructure using Firebase Cloud Messaging to deliver operational alerts to field, warehouse, and pricing users.
• Collaborated with backend engineers on REST API contract design, pagination, and payload optimization for high-traffic endpoints serving daily operations.
• Introduced unit testing standards and a structured code review process, and managed Google Play release cycles including build versioning and post-release crash monitoring.

• Contributed to production Android applications (KrishiKulture, Meet and Chill) serving 5,000+ active users.
• Integrated third-party services including the Razorpay payment gateway, Zendesk SMS API, and Apixu Weather API.
• Built responsive UI components following Material Design guidelines, collaborating with design and backend teams; participated in code reviews and wrote unit tests for assigned modules.
• Improved API response handling through client-side caching and efficient data parsing, reducing perceived latency on list-heavy screens.

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License: NPTEL18CS03S3730259

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License: NPTEL18CS07S4730289

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License: PZVGKE2R1B111MWS