Justin Philip Email & Phone Number

Bengaluru, Ka, In

Bengaluru, Karnataka, India

Bengaluru, Karnataka, India

Own board bringups and enabling Micromax devices to be market ready.

Bengaluru, Karnataka, India

Ownership of stm32 micro-controller based dual battery management software.Developed entire algorithm to charge, discharge dual batteries, detect faults and right operatingconditions and communicate with host with regards to battery charge/discharge states.Wrote the Host side Messaging frameworks in kernel to handle micro-controller messagesrelated to battery and give a unified battery experience to android and at the same time detailsabout dual batteries to be shown in UI.Efficient and reliable flasher driver in kernel to keep the micro-controller software updated.

Owned Board Bring-up of over 5 devices based on qcom chipset.Done bring-up of non qcom peripherals which formed part of mobile devices like –Display(kernel and splash) on dsi, spi, dsi2spi bridge, dsi2hdmi bridge interfaces.Developed Sensors(native sensors and derived algo sensors) on qualcomm adsp, kernel andstm32 micro-controller environments.Camera sensor bring-up containing driver of eeprom, actuator, sensor and flash modules.Leds, Vibrators, LCD backlights, Touch on I2c and SPI interfaces.Bringup activity includes understanding schematics and assembly diagrams and usingoscilloscope to narrow down hardware issues.Fixed issues in SBL, XBL, LK and kernel.Leading a team of 4 developers for various bring-up activities.

Bengaluru, Karnataka, India

Ownership of display for A-Family Qualcomm devices running Android.Done feature development and fault fix in MDP driver, panel drivers and display HAL.Fixed complex deadlock and rotator hang issues, scaling issues in RGB layers, boundary roundoff issues for video scaling via rotator in MDP driver.Resolved flicker and underrun issues related to bandwidth, single buffer TILE video formatscaling issues in MDP driver.Fixed difficult to reproduce stability issues, critical sync issue between HDMI uevents andcomposition threads, flickers due to Mixed mode compositions, HDMI and WFDsynchronization issues in Display HAL.Display b ring-up for JB on kernel 3.0, which helped in fast development and android JBupgrade for customer and resolved critical Display Kernel and HAL issues for customer.Role in the team is Tech Lead for Display team of 5 members consulting to QIPL and owningcomplete Display of A-Family of devices including internal, stability and customer issues.

Bengaluru, Karnataka, India

Development and maintenance of phone code for Wifi Module for the Android handsets withcustomization for Verizon and AT&T . Done Feature Development and Fault fix for Wifi module.Developed Android application Service to give best user experience in seamless roaming fromWifi data to 3G data connection.Developed Midleware Wi-Fi Supplicant plugin for Wireless Linkloss recovery which gives bestuser experience in Fringe Wi-Fi Areas.Involved in performance improvement of Wi-Fi features. Code is developed on Android Platformusing C/C++ and Java.Involved in end to end Wi-Fi support along with customer interactions at San Diego R&D center.Role in the team is Module Owner for Wi-Fi features in a team of 9 engineers and responsible forWi-Fi for all Motorola Smartphones.

Bengaluru, Karnataka, India

I was involved in the Analysis, Design, Coding and integration of UNIBOX applications.UNIBOX is a unified message box which contains SMS, MMS, EMS, Email, Email-via-SMS,Push and Provisioning. Applications are developed in BUIT and Brew. I was involved in thedevelopment of state machine architecture which uses MVC pattern for all UNIBOXapplications. I developed SMS, Voicemail Viewer and Settings applications for UNIBOX. I wasinvolved in the development of GUI Common Components, which can be used in any of theBUIT based application development.