Kalpaj Chaudhari Aspiring software professional

About

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Self-motivated, autonomous and organized software professional. Seasoned open source developer with heavy contributions to LineageOS (formerly CyanogenMod). International recognition from xda-developers.com as “Recognized Developer” for contributions in open source during academic years.

Strong experience in Android framework and middleware components. Proficient in effectively navigating and managing large-scale projects, comprising millions of lines of code.

Seeking roles that offer opportunities to make a positive impact, with a preference for open-source environments.

Technical Strengths

Programming Languages Java, C++
Inter-process Communication aidl, hidl, mojom, webidl, pdl
Operating Systems Linux, Android 4.1-13.0
Software Management Makefile, Soong, Gerrit, GitHub, Git

Summary

  • 3+ years of professional experience in Android frameworks and middleware development
  • 8+ years of open source experience contributing and developing free software
  • Experienced in collaborating with diverse team spread across different time zones
  • Proficient in various domains, including Mixed Reality (AR), Enterprise Mobility Management (EMM), Mobile Device Management (MDM), Android x86 and Android Automotive
  • Experienced with IPCs and lower-level API access on Android and Chromium
  • Experienced in writing custom HALs over aidl and hidl
  • Experienced in writing safe and secure sepolicies (SELinux) for Android
  • Experienced in various internal framework APIs such as ActivityManager (RunningAppProcessInfo, StackInfo), BluetoothManager (BLE), DevicePolicyManager, PackageInstaller, PackageManager, PowerManager (S3 Linux Suspend), ProcessObserver, SettingsProvider, StatusBarManager, SystemProperties, TaskStackListener, WifiManager
  • Experienced with Over-The-Air (OTA) updates using recovery and update_engine (AB)
  • Limited exposure in implementating Native Android SDK modules for React Native
  • Limited exposure to Chromium, Chrome DevTools protocol (CDP) and pdl
  • Limited exposure to Chromium’s internal WebRTC implementation
  • Limited exposure in Penetration Testing concepts such as Reverse Engineering, Dynamic Instrumentation using Frida, CVE, zero-day attacks, etc on Android platform
  • Limited exposure to PCI-DSS compliance (Section 6.5 and 11.3)

Open Source development

Motorola devices

  • A highly optimized and battery efficient port of Android 13.0 including support for SafetyNet and anti-root detection for Qualcomm Snapdragon 778G chipset

Sony devices

Experiments with kernels

Kali NetHunter

Achievements

  • Professional
    • Be Brilliant Teamwork and Respect Award (2022)
    • The Andi Customer Obsession Award Q1 (2022)
  • Undergraduate studies
    • IEEE National Level Hackathon (2019)
    • Finalist of Smart India National Hackathon (2019)
    • Deep Blue National Hackathon S4 (2018)
    • Recognized Developer @ xda-developers.com (2016)
  • High School studies
    • National Network Championship (2014)