KRISX FZ-LLC

Kalpaj Chaudhari

Have an interesting oppurtunity for me? Let’s connect over LinkedIn or follow me on GitHub

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. Good experience with Chromium as well.

If you’re looking for help to develop customized features on such large code base, please connect with me over [email protected] or [email protected].

Technical Strengths

Programming Languages	Java, C++
Inter-process Communication	aidl, hidl, mojom, webidl, pdl
Operating Systems	Linux, Android OS 4.1-14.0, AAOS 11.0-14.0
Software Management	Makefile, Soong, Gerrit, GitHub, Git

Summary

• 4+ years of professional experience in Android frameworks and middleware development
• 9+ 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 bridge
• 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, CVE(s) testing on Android platform
• Limited exposure to PCI-DSS compliance (Section 6.5 and 11.3)

Open Source development

• Personal GitHub profile
• Gerrit Code Review for LineageOS/CyanogenMod

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
  • Android/AOSP 13.0 port for Moto Edge 30

Sony devices

• A fully functional port of Android 8.0 on Qualcomm APQ8064 Snapdragon S4 pro chipset
  • Android/AOSP 8.0 port for Sony Xperia Z
  • Android/AOSP 8.0 port for Sony Xperia ZL
  • Android/AOSP 8.0 port for Sony Xperia ZR
• A fully functional port of Android 7.1 on Qualcomm APQ8064 Snapdragon S4 pro chipset
  • Android/AOSP 7.1 port for Sony Xperia Z
  • Android/AOSP 7.1 port for Sony Xperia ZL
  • Android/AOSP 7.1 port for Sony Xperia ZR
• A fully functional port of Android 6.0 on Qualcomm APQ8064 Snapdragon S4 pro chipset
  • Android/AOSP 6.0 port for Sony Xperia Z
  • Android/AOSP 6.0 port for Sony Xperia ZL
  • Android/AOSP 6.0 port for Sony Xperia ZR

Experiments with kernels

• Kernel customization to improve performance, battery life and security
  • Airless kernel for Sony Xperia ZR
  • LineageOS custom kernel for Moto Edge 30
  • LineageOS custom kernel for Moto X4
  • LineageOS official kernel for Sony Xperia Z, ZL and ZR

Kali NetHunter

• Penetration Testing with Kali Linux on Android
  • Kali NetHunter for Sony Xperia Z
  • Kali NetHunter for Sony Xperia ZR

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)