Pavan Kumar
Senior Android Developer • Greenbelt, MD • p*************@gmail.com • +12******866 • drivetube.ai/•••••
Professional Summary
Senior Android Developer with 6+ years of experience building native and cross-platform mobile applications using Kotlin, Jetpack Compose and modular Clean Architecture. Delivered high-traffic applications (10M+ users), focused on performance, stability, lifecycle management and security. Strong expertise in Coroutines, Flow, Paging3, Room, Hilt, GraphQL/REST integrations, offline-first caching, biometric/OAuth2 authentication, and CI/CD automation for Play Store and enterprise distribution.
Technical Skills
Programming Languages: Kotlin,Java,TypeScript,Swift
Web Technologies: WebSockets
Cloud and DevOps: Jenkins,Firebase Auth, FCM, Crashlytics,AWS,GCP,Azure
Testing: JUnit,Mockito,Espresso,LeakCanary
Tools and Methodologies: GitHub,GitLab,Bitbucket,Android Studio,Figma,LaunchDarkly,Glassbox,ProGuard,R8
Mobile Development: Android SDK,Jetpack Compose,XML Layouts,SwiftUI,React Native,Material Design 3
Architectures and Patterns: MVVM,MVI,MVP,Clean Architecture,Modular Architecture
Concurrency and Background Processing: Coroutines,Flow,RxJava,WorkManager
Networking and APIs: Retrofit,OkHttp,Apollo Client,Volley,Gson
Dependency Injection: Hilt,Dagger 2,Koin
Work Experience
Fidelity Investments
Dallas, TX (Remote)
Sr. Android Developer
August 2024 – Present
Built and maintained an Android investment tracking app for financial services to monitor portfolios, market data, quotes and transaction history.
Tech Stack: Kotlin, Jetpack Compose, StateFlow, ViewModel, Coroutines, Retrofit, OkHttp, Gson, Room, Firebase Crashlytics, Android Profiler, Jenkins, GitHub
- Implemented core app features using Kotlin, Jetpack Compose and MVVM to deliver portfolio dashboards, watchlists and transaction views with a responsive, accessible UI.
- Integrated secure REST APIs with Retrofit, OkHttp and Gson including robust error handling and response modelling to ensure reliable real-time market data.
- Architected state management with ViewModel + StateFlow + Repository following Clean Architecture and modularization to improve maintainability and enable parallel feature work.
- Used Kotlin Coroutines and Room to implement offline-first caching and background sync, reducing unnecessary network calls and improving UX on low connectivity devices.
- Instrumented Firebase Crashlytics and Android Profiler to triage and fix high-impact crashes and memory issues, improving startup time by 20% and increasing runtime stability.
- Authored unit tests for ViewModel/repository layers with JUnit and Mockito; followed GitHub branching, code review and CI checks to ensure quality releases.
Citizens Bank
Dallas, TX (Remote)
Android Developer
February 2023 – April 2024
Re-engineered the bank's legacy mobile app UI and data layers to a modern platform using Jetpack Compose and GraphQL to support complex banking workflows.
Tech Stack: Kotlin, Jetpack Compose, MVI, Hilt, Apollo Client, GraphQL, StateFlow, LiveData, LaunchDarkly, Arxan Digital.ai, Glassbox, Figma, NavDeepLinks
- Led migration from REST to GraphQL using Apollo Client, implemented schema-based queries and client-side caching to reduce payloads and improve query precision.
- Designed and implemented a unified UI framework using MVI and Jetpack Compose to accelerate feature development and ensure consistent experiences across banking flows.
- Adopted Hilt, ViewModel and StateFlow/LiveData for reactive state management, improving separation of concerns and developer velocity across teams.
- Built Compose Navigation flow with NavDeepLinks for crash-free transitions and cross-app linking; translated Figma designs into accessible, performance-optimized composables.
- Integrated LaunchDarkly for feature-flag–based rollouts and Arxan/Digital.ai app protection to add anti-tampering and anti-debugging controls for regulatory and security posture.
- Instrumented Glassbox session capture to analyze user journeys and identify usability issues; collaborated in Agile sprints with backend and QA to maintain release cadence.
Soft Suave Technologies
Bengaluru, INDIA
Android Developer
October 2018 – June 2022
Developed and maintained consumer and enterprise Android applications, owning end-to-end features from UI to backend integration and release management.
Tech Stack: Kotlin, Java, Jetpack Compose, Android SDK, Retrofit, OkHttp, Gson, Coroutines, WorkManager, LeakCanary, Android Profiler, ProGuard, R8, Git
- Built and maintained Android features using Kotlin, Jetpack Compose and Android SDK following Material Design principles to deliver polished user experiences.
- Applied MVVM with ViewModel and repository patterns plus LiveData/StateFlow to create testable, modular code and accelerate iterative development.
- Integrated RESTful services with Retrofit and OkHttp, implemented secure network calls and JSON parsing using Gson with comprehensive error handling.
- Used Coroutines and WorkManager to handle background processing, preventing ANRs and ensuring reliable scheduled/background tasks.
- Diagnosed and resolved memory leaks and performance regressions using LeakCanary and Android Profiler; applied ProGuard/R8 for code shrinking and obfuscation.
- Followed SOLID principles and clean architecture practices; used Git for version control and wrote unit-level tests to improve code quality and maintainability.
Education
Trine University
Master's in Computer Science
Certifications
AWS Certified — Amazon Web Services
Microsoft Certified: Azure AI Fundamentals — Microsoft
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