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  • $10 hourly
    • 5.0/5
    • (2 jobs)
    Work related to development. C/C++. Java .Audio and video development. Web developer . Full stack developer.
    Featured Skill VOIP Software
    iOS Development
    WebRTC
    Smartphone
    VoIP Software
    Android App
    C++
  • $30 hourly
    • 5.0/5
    • (2 jobs)
    OBJECTIVE: To seek for appropriated R&D position in the technical fields of embedded software, Android software, and AI inference related software. Especially long-term full-time job opportunities. TECHNIQUE BACKGROUND: 1. Mechatronics/Machine Condition Monitoring and Fault Diagnosis 2. Embedded software techniques  Familiar with embedded software development skills: C/C++/Java/OOA/OOD/Design Patterns/COM/SDL/UML  Familiar with several phone software platform architectures based on C, C++, Java, etc.  Familiar with protocols of TCP/IP/ISDN/GSM/GPRS/WCDMA/HSDPA /TD-SCDMA  Familiar with RTOS Nucleus/OSE/Linux/QNX/Android  Familiar with USB2.0, TCP/IP protocols, and USB/Keyboard/LCD/Flash/I2C/I2S drivers  Familiar with ARM architecture and instruction set, TRACE32 ICD 3. Android software techniques  Experience in independently designing and developing complex Android applications  Experience in debugging complex Android framework and stacks, such as graphic sub-system(VSYNC, SurfaceFlinger, HWComposer, etc.); deep understanding of AMS, WMS, PMS, Init and launcher, Input, Camera, Multimedia, Vold, SEAndroid and PowerManager, etc.  Familiar with Android.mk, Makefile , init.rc, and related toolchains and debugging skills on target board  Familiar with Binder based lightweight Component Object Model Android framework architecture, JVM/JNI/NDK based Java and C/C++ hybrid application architecture, and Java, C/C++ and HTML/CSS/JavaScript based hybrid application architecture  Experience in designing and developing Appium based automation testing solution for Android/iOS applications, WeChat Mini Program and WeChat Public Account. 4. Familiar with software engineering (Waterfall and Agile and so on) and CVS, ClearCase, SVN, Git and CM Synergy tools 5. Received the Agilent Wireless Communication Test Certificate-Level I training certificate AI Related TECHNICAL ACTIVITIES (2019.05 ~ 2022.01): 1. Deep Learning, Ian Goodfellow, Yoshua Bengio, Aaron Courville 2. Be familiar with the basic principles of CNN convolution neural network, BP back propagation algorithm and gradient descent algorithm 3. Read the source code of Google Tensorflow deep learning framework and analyze the implementation principle of the framework 4. Read the Google Facenet face recognition related papers and Tensorflow open source implementation code 5. Read 3D CNN Text-Independent / DNN / LSTM End-to-End Text-Dependent voiceprint recognition papers and open source implementation code 6. Read R-CNN series / YOLO series visual object detection related papers and open source implementation code 7. Read TLD algorithm Ph.D Thesis "TRACKING LEARNING DETECTION" and its OpenCV / C + + implementation code; Correlation Filter, Siamese Network related visual target tracking papers, and PySOT open source code 8. Optimization and deployment of the algorithm on Android mobile device; (the pure C / C + + code implementation which is independent of any third-party framework, and multithread / NEON / compute shader / RenderScript / OpenCL /SYCL-DNN algorithm optimization) 9. Google MediaPipe AI framework and applications a. Compilation of MediaPipe source code in Ubuntu18.04 environment (Bazel, Android studio for Linux, Android SDK/NDK, Tensorflow, protobuffer, python3.7, modification of WORKSPACE file, etc.) b. Run-time tracing and analysis of the source code of MediaPipe framework layer and Tensorflow Lite framework layer (ARM/GPU and other branches) when MediaPipe app is running c. Google has opened the Iris tracking: MediaPipe Iris: Real-time Iris Tracking & Depth Estimation 10. AIoT ESP32 platform, TensorFlow Lite Micro (drivers: I2C, I2S, camera, audio codec, etc.; FreeRTOS; applications and protocols) a. ESP-EYE development board, for camera based face detection, etc. b. ESP32-LyraT development board, for automatic speech recognition, etc. c. MCU to Cloud, protocols of MQTT, etc. 11. Flutter Building Cross-Platform Mobile Apps for Android, iOS, Web, Desktop (VoIP & Audio) 13. Yate (Yet Another Telephony Engine) as a VoIP server, source code compiling and running 14. BareSIP as SIP User Agent, source code compiling and running in Android Studio 15. Esp-adf SIP phone, source code compiling and running on MCU 16. SIP/SDP/RTP/RTCP/RCP protocols, signal and media interacting between VoIP server and User Agent, source code tracking 17. Unimrcp-vosk, vosk-android, kaldi (GMM-HMM, DNN-HMM etc.) source code compiling and running (2023.04 ~ Present): 1. Google Flutter multi-platform mechanisms and Android Flutter programming 2. Google MediaPipe & Tensorflow AI framework source code analysis line by line, and Android application development 3. Study plain C/C++ implementation of OpenAI's Whisper automatic speech recognition (ASR) model without third-party library dependencies (whisper.cpp), run Facebook LLaMA 65-billion-parameter large language model using 4-bit integer quantization on a MacBook (llama.cpp) 5. Programming language：C++1X, Dart, Java
    Featured Skill VOIP Software
    Whisper AI
    TensorFlow
    Mobile App
    Smart TV
    Linux
    QNX
    VoIP Software
    Flutter
    AOSP
    Artificial Intelligence
    Android
    Algorithm Development
    Algorithms
    Wireless Communication
    Embedded System
  • $33 hourly
    • 0.0/5
    • (0 jobs)
    Hello, Thanks for visiting my profile page. I have been developed many mobile apps for 5 years. My main skills are iOS app/game development and Android app/game development. I already developed many mobile apps with social networks(such as Facebook, Twitter, LinkedIn and so on), Restful JSON based Web Service, database management(such as sqlite), google-map, finess app, audio/video streaming services. And I have considerable expertise in VOIP apps development. I have developed many VOIP apps so far. The Media5-fone VOIP SIP app is my example project that I developed from scratch. Also I am very famiiliar with Mobile Games developement. I have integrated the games with chartboost, revmob, applovin, admob, iAd, twitter,facebook, linkedin, flurry, Pushwoosh, tapjoy and so on.
    Featured Skill VOIP Software
    VoIP Software
    iPad App Development
    iOS Development
    Mobile App Development
    Android App Development
    Java
    Objective-C
    C
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