Imej profil Valentin9309
Penanda Poland Łódż, Poland
Ahli semenjak 26 Jun 2020
1 Cadangan


Dalam Talian Luar Talian
Hello Clients. I'm a Senior Full Stack developer and I have many experiences in PHP & Javascript & Java & Python development & Server Administration and have several experiences in AWS Webservice & Google Platforms & Azure and so on. I can discuss the detail about your projects anytime for you and can start the project right now. and if you give me your idea, I can give you my proposal anytime. With over 8 years of professional experience working for and with some of the biggest names in the industry, I've gained a reputation as universal problem solver who delivers high quality, state of the art solutions on time and budget. 1. Web Development • Frontend React.js, Vue.js, Angular • Backend Laravel, Sympony, Node.js, Django • Web Design HTML/HTML5, CSS3, Bootstrap1~5 • Javascript/jQuery, Ajax 2. Mobile App Development • Cross Platform Development React Native, Flutter • Android Native App Development Kotlin, Java • iOS Native App development Objective-c, Swift [login to view URL] Streaming Technology • Extensive experience in Multimedia, Streaming, Networking and embedded systems. • Architected, Designed and Developed IPTV platforms and OTT services. • Thorough understanding of CDNs, Caching, Distribution , DRM and HTTP protocols like Apple HLS, MPEG-DASH and Microsoft Smooth Streaming. • Customer engagement, Architecture reviews, oversee multiple teams across different geographical location, Mentoring and Provide Technical guidance. • Design and Implementation of Apple HLS/MPEG-DASH/CMAF/Microsoft Smooth Streaming/ RTP/RTSP/RTCP/SDP/RTMP streaming protocols. • Design and Development of video preprocessing schemes. • Development of Audio (AAC)/Video (H.264) codecs. • Design and Implementation of H.264 Video, HEVC, AAC Audio, AC-3, DD+ streaming solution. • Design and Implementation of VOIP using SIP over RTP stack. • Video streaming using open source/java cv on android device. • Developed instant connect VOIP app on android. • C++, C, Java, SQL,Oracle, go, java cv, Python, Scripting , AI , ML , Computer Vision , AWS, Wowza, Web services, Could, Micro services, Kubernetes, ffmpeg/etc. If you hire me, I can start work right now on & I will work for over 8 hours everyday. Please check my portfolio. Regards sincerely.
$30 USD/hr
5 ulasan
  • 100%Kerja Diselesai
  • 52%Mengikut Bajet
  • 52%Tepat Pada Masa
  • 14%Kadar Ulang Upah

Item Portfolio

Ulasan Terkini

  • Imej Martin S. Project for Valentin L. €10.00 EUR

    “Excellent communication skills, looking forward to the next job”

  • Imej Richard L. Linux Script Engineer $10.00 AUD

    “The best person to hire”

  • Imej Vimal V. Project for Valentin L. $200.00 USD

    “He was excellent and will hire him again”

  • Imej Giorgi E. Needed React & Node Developer $60.00 USD

    “Awesome work! Valentin is a professional developer for React and Node. He has done great work for me and he has finished work perfectly. and He has delivered in a time so I'm very satisfied in his work result. I will hire him again in the future if I have some project again. Brilliant Work!”

  • Imej Graham H. Urgent: Bug fix of React.JS project £200.00 GBP

    “Valentine is a really professional & talented developer who has high skills in ReactJS. He is great at communication, and super easy to work with, quick product delivery and at a good price! He worked immediately, and did an excellent job, going above and beyond! He asked for clarification, and even assistance, which was good 2-way communication Hire him without hesitation, I highly recommend Valentine and I will definitely work with him again. Thanks Valentine.”


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