Stéphane Lepin
Software & Video Engineer at YouBLive- Claim this Profile
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Français Native or bilingual proficiency
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Anglais Full professional proficiency
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Bio
Experience
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YouBLive
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France
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Media Production
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1 - 100 Employee
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Software & Video Engineer
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Sep 2020 - Present
Full-stack Web (Angular, React, Nest.js) / Flutter / C++ / Digital A/V Full-stack Web (Angular, React, Nest.js) / Flutter / C++ / Digital A/V
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Citron®
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Environmental Services
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100 - 200 Employee
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Full Stack Developer
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Oct 2018 - Aug 2020
Within a team of five engineers, we developed Citron Technique, an online supervision & monitoring platform for building owners & real estate groups. The platform ingests & processes live data from a variety of sources, ranging from smart objects (over LoRa and/or Sigfox) to elevator monitoring systems. My work included: - Front-end development with Angular 6 - Back-end development with Node.js in TypeScript & PHP (Laravel), talking to MongoDB and MySQL databases - Enhancing the deployment pipelines & processes, and helping the team move towards a DevOps culture Notable facts & projects: - Development of a DC-09 interface (parsing and validating raw TCP and UDP frames) to receive alarms & events from on-site alarm devices - Modernization of the in-house data requests language : Excel-like formulas to fetch and transform data shown in monitoring dashboards - Modernizing Citron Technique's cloud infrastructure Show less
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RJR - Radio Jeunes Reims
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France
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Broadcast Media Production and Distribution
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1 - 100 Employee
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Broadcast/IT Engineer
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Jan 2012 - Jan 2019
For a notorious non-profit FM community radio station: - Software engineering of the station's website, Android/iOS apps and various custom-tailored tools for the station - Design and maintenance of the organization's IT infrastructure - Electrical engineering (basic skills) : IoT "On Air" light (Raspberry Pi for display + ESP8266 for networked GPIO), fader triggers (Arduino to PC), speaker dimming circuit - System administration: Linux (Debian/Ubuntu), FreeNAS, Windows workstations - Network administration: pfSense, Ubiquiti EdgeMax, site-to-site VPNs, security - Audio engineering: setup and operation of mixing consoles, audio processors and Dante/AES67 Audio over IP networks Notable projects: - Design and implementation of the station's Studio-Transmitter Link: IP transport of the station's program to the FM transmitter. Audio encoded in Opus and carried through a VPN over redundant Fiber/DSL links. - Design and implementation of a lightweight video broadcast system (5 cameras, dynamic graphics, live streaming to several platforms) - Design of the station's new studios, based on a Dante AoIP network, along with development of custom interfacing software. - HTML5/CSS3/JS development of broadcast graphics, along with its web-based operator interface, used on the station's live video stream. Extensive use of CSS for animations and WebSockets for communication. - Development and publishing of iOS and Android hybrid apps (Ionic-based) - Front-end Web development of the station's website Show less
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DTForce s.r.o.
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1 - 100 Employee
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Software engineering intern
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Jan 2018 - Jul 2018
- Java back-end development with Spring - Front-end development with React and TypeScript/JSX - Kubernetes Cloud Ops - Java back-end development with Spring - Front-end development with React and TypeScript/JSX - Kubernetes Cloud Ops
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Open source contributor
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May 2017 - Aug 2017
I had the opportunity to be one of the few students accepted for Google's Summer of Code 2017. During the three months of the program, I contributed several features to Mixxx, a free & open-source DJing application wrote in C++ with Qt: - Add the ability to broadcast live to several servers simultaneously - Secure storage of passwords in the OS' keychain - Integration of an AAC and HE-AAC (AAC+) encoder using libfdk-aac (through dynamic loading) for Recording and Live Broadcasting - Integration of an Opus encoder for Recording and Live Broadcasting Show less
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Kelzyd
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Région de Reims, France
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Software engineering intern
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Sep 2016 - Jan 2017
- Software engineering for industrial applications (Stanka winepress, Stanka Wine, Stanka Cleaner) - mikroC software development of the Smart Glass sensor firmware (uses impedance spectroscopy to find the "signature" of a liquid) - Graphics programming for the GUI of an upcoming product - Software engineering for industrial applications (Stanka winepress, Stanka Wine, Stanka Cleaner) - mikroC software development of the Smart Glass sensor firmware (uses impedance spectroscopy to find the "signature" of a liquid) - Graphics programming for the GUI of an upcoming product
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Kelzyd
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Région de Reims, France
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Software engineering intern
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Feb 2016 - May 2016
- Software engineering for industrial applications (Stanka winepress) - Wrote software for the biology research team - Software engineering for industrial applications (Stanka winepress) - Wrote software for the biology research team
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ESI Group
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France
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Software Development
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700 & Above Employee
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Software/IT intern
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Sep 2014 - Nov 2014
For the company's IT department : - Developed various tools to ease the work of the IT department - Worked on implementing some of the company's internal process in a BPM solution (Bonita) For the company's IT department : - Developed various tools to ease the work of the IT department - Worked on implementing some of the company's internal process in a BPM solution (Bonita)
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Radio France
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France
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Broadcast Media Production and Distribution
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700 & Above Employee
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Broadcast/IT intern
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Jan 2013 - Jan 2013
As part of the radio station's technical team : - Audio editing - Live show board op. (host & guest microphones, audio playout of music and ads) - Developed a zoned PA speaker management software (running on a Raspberry Pi computer connected to relays) - Installed an audio silence alarm (sends notifications to managers whenever the station broadcasts nothing but silence) As part of the radio station's technical team : - Audio editing - Live show board op. (host & guest microphones, audio playout of music and ads) - Developed a zoned PA speaker management software (running on a Raspberry Pi computer connected to relays) - Installed an audio silence alarm (sends notifications to managers whenever the station broadcasts nothing but silence)
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Education
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Exia
Diplôme d'ingénieur, Software engineering -
Lycée Saint Jean-Baptiste de la Salle
Bac pro Systèmes Electroniques Numériques, Audiovisuel Professionnel