Jun 2021 – Sep 2022 · 1 yr 3 mos · Gurugram, Haryana, India

• Managing a team of 23. Working in a pod structure to deliver multiple Enterprise apps and SDKs.
• Worked with Retailer app which is main source of customer onboarding to provide business.
• Sales app - To onboard new retailers and provide services to existing retailers.
• Native apps with various custom made SDKs and libraries to render configurable Server Driven UI at runtime, face recognition with image processing, MLKit, scanners etc.

Jun 2019 – Feb 2021 · 1 yr 8 mos · Gurugram, Haryana, India

• Managing the Mobility (Android and iOS) teams for Self-Care App which is the customer facing My Airtel App. Created the app from scratch with latest Architectural components. Designed solutions for supporting multiple countries in African continent with single code-base.
• Hands on experience in Android (Kotlin) and iOS (Swift)

Feb 2021 – Jun 2021 · 4 mos · Noida, Uttar Pradesh, India

Jun 2015 – May 2019 · 3 yrs 11 mos · Gurgaon, India

• Worked on various Android products and projects.
• Have extensive experience on all aspects of Android application development including design, documentation, coding, optimisation of existing routines.
• Worked on multithreaded architecture, thread pools and thread pool executors, jobs and queues.
• Worked on deeplinks, app indexing, latest Android support, analytics, efficient use of Memory for Bitmaps.
• Experience with various image loading libraries including Glide, Picasso and extensively worked with Facebook Fresco.

Jul 2014 – Nov 2014 · 4 mos

Jul 2013 – Jul 2014 · 1 yr

• Design, develop, debug and deliver quality media framework solutions and software video codecs. Manage a team for efficient process and timely delivery of the solutions.
• Project: Enterprise Media Framework and Player Solution
• Developed media framework and media player solution to leverage company’s software video decoders via OpenMAX interface.
• Platforms Supported – Android, iOS, Windows, Linux
• Completely C/C++ API.
• Enabled use of all available Hardware codecs (HW OpenMAX Codecs) in Android Devices.
• Supported file formats (MP4, MPEG2 TS, AVI, MKV, MP3, M4V) and streaming protocols (HTTP PS, HLS, MPEG DASH, RTSP).
• Coded an efficient multi-threaded MPEG DASH player along with adaptation logic for support in media player framework.
• Optimized HTTP Live Streaming Logic (HLS) for smooth playback.
• Project: AceThought’s HEVC/H.265 Software Video Decoder
• Studied Intra and Inter (ME and MC) prediction of HEVC Decoder.
• Studied reference HM source code.
• Coded C code for Inter Prediction of Luma and Chroma.
• Coded ARM NEON SIMD code for optimization of Luma and Chroma Motion Estimation and Compensation (ME and MC).
• Experiences Gained
• Extensive experience on HTTP Progressive Streaming, HTTP Live Streaming (HLS) and MPEG DASH.
• Very good experience of Media Frameworks and Media Players.
• Extensive knowledge of Android Stagefright with work experience on GStreamer and FFMpeg.
• Excellent experience on Android NDK and JNI.
• An Excellent team player, motivator and leader.

Jun 2011 – Jun 2013 · 2 yrs

• Optimization of VC-1 Decoder:
• Overview of SMPTE VC-1 standard
• Implemented the Horizontal & Vertical Overlap Smoothing in C.
• Optimized the Overlap Smoothing in ARMv7 Neon SIMD.
• Implemented the Horizontal & Vertical De-blocking in C.
• Optimized the Horizontal & Vertical De-blocking in ARMv7 Neon SIMD.
• Ported VC-1 Decoder to Android for benchmarking.
• Optimization of H.264 Decoder:
• Got an overview of ISO/ITU H.264 standard
• Implemented multi-threaded decoder optimization solution in C.
• Ported H.264 Decoder to Android & iPad (iOS) for benchmarking & validation.
• Media Player on Android
• Worked on various Media Frameworks for Android.
• Good Knowledge of JNI Environment and Media API.
• Knowledge of Android OpenGL ES v1 & v2 and OpenSL ES.
• Worked on AudioTrack, SurfaceFlinger, AV rendering in Android using C/C++ Code.
• Built FFmpeg with ARM ASM & NEON support for Android, tested for linux-x86 and win32.
• Additional Skills:
• Audio/Video Decoders
• Proficient in C/C++.
• Good knowledge of Video Decoding routines.
• Building cross-platform builds.
• Android/ARM Embedded Systems Porting of C/C++ AV Decoders.
• Media Frameworks
• Built and tested GStreamer for Android, linux and win32 & OpenCORE for linux-x86.
• Good Knowledge of GStreamer Plugin development.
• Knowledge of FFmpeg codec addition.
• FFmpeg with OpenMAX to enable use of HW Acceleration in decoding routines.
• Video Codec - Multicore
• Studied Multicore Programming and Multi-threading
• Studied Video compression fundamentals.
• Contributed in VC-1 Multi-Threading implementations in C.
• NEON and Codecs - Android
• Worked on designing GUI for Android Applications.
• Worked on game developed by internal team for Android Platform.
• Enabling FFmpeg’s NEON and ARM ASM optimizations.
• Building FFmpeg for Android and creating sample Media Players based on FFmpeg.

Feb 2010 – Jul 2010 · 5 mos · Mohali

• Android App Development Department
• Studied Android basic concepts and application development
• Worked on a live project to make an Android APP to handle the remote camera through web services.
• Android APP is able handle all camera operations like Zoom In, Zoom Out, rotation, timed recording, etc.
• Studied FFmpeg library for AV Playback.
• Worked on a sample player application for Windows environment.