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Julien Loutre
Verified Expert in Engineering
Natural Language Processing (NLP) Developer
New York, United States
Toptal member since September 27, 2012
Bio
Julien is a professional software engineer with 15+ years of experience. A former team leader and user operations analyst at Facebook as well as a former project manager, he is also the co-founder and CTO of a trivia company with 280+ thousand players and $1+ million in annual revenue. Julien specializes in scalable AWS Node.js microservices but also has years of experience as a full-stack engineer with 7+ years of experience with AngularJS.
Portfolio
Fleetwit
AngularJS, MongoDB, Express.js, Node.js
Freelance
Face.com API, X (formerly Twitter) API, Facebook API, ActionScript 3, jQuery...
MakeMeReach
X (formerly Twitter) API, Facebook API, jQuery, JavaScript, SQLite, MySQL, PHP
Experience
- JavaScript - 19 years
- Node.js - 8 years
- Express.js - 7 years
- AngularJS - 7 years
- Generative Pre-trained Transformers (GPT) - 6 years
- Natural Language Processing (NLP) - 6 years
- Microservices - 4 years
- AWS Lambda - 3 years
Preferred Environment
Git, UltraEdit, Windows
The most amazing...
...thing I've built is a visual algorithm builder that allows any trader to implement their complex trading strategies without programming.
Work Experience
CTO
2013 - PRESENT
Fleetwit
- Built the Node.js/MongoDB API server.
- Built the Node.js/MongoDB game server.
- Built the game engine.
- Developed a Node.js framework based on Express.js and optimized for high-load and high-speed.
- Built the mass-email delivery system.
Technologies: AngularJS, MongoDB, Express.js, Node.js
Developer
2011 - PRESENT
Freelance
- Worked as a freelance developer on both front-end and back-end.
- Created a flexible PHP framework that can be used to create webservices, REST API, Facebook applications, back-ends, or complex websites or web applications. It included an user friendly app-store where users can install new applications (group of pages), libraries (PHP or JS/CSS) and themes, and where developers can submit their own code.
- Created a jQuery Boilerplate that allowed developers to create complex jQuery plugins in a few lines of code (has since been open-sourced by the client).
- Developed various backends and internal tools for several industries.
- Created various Facebook applications (P&G and WWF, among others).
Technologies: Face.com API, X (formerly Twitter) API, Facebook API, ActionScript 3, jQuery, JavaScript, SQLite, MySQL, PHP
Project Manager
2010 - 2011
MakeMeReach
- Project Manager in charge of the "VIP" clients: BNP, Mugler, P&G, and Katy Perry, among others.
- Most projects were Facebook Applications.
- Led a team of developers and designers.
- Managed the whole process, including project definition, sketching, prototyping, retro-planning, design, development, bug tracking, and delivery.
- Independently developed most of the projects, both back-end and front-end.
- Developed a custom PHP framework for the company which resulted in a faster development time for all of the projects.
Technologies: X (formerly Twitter) API, Facebook API, jQuery, JavaScript, SQLite, MySQL, PHP
Team lead, Analyst
2009 - 2010
- Enrolled in Facebook's Engineering Bootcamp, where I studied Facebook's architecture and code base.
- Developed various internal tools that greatly improved my department's productivity. These included the following:
- Automation - Tools that analyzed scenarios and took action automatically, saving hours of work for each team every day.
- Bug tracking and reporting - Dedicated to tracking bugs that affected internal tools, and issued weekly reports on the average time lost by each teams that was affected. By assigning priorities, this allowed our internal tools to be fixed faster.
- Data Processing - Tools that analyzed scenarios and issued recommendations on the possible actions. This helped our department to work faster and more efficiently by outsourcing some of the analysis to the tools.
Technologies: C, JavaScript, PHP
Experience
WWF - Gorilla Uprising
Facebook application for WWF. Users can transform themselves into a dancing gorilla and publish it on their newsfeed, where their friends can see the gorilla dancing without leaving the page. The application was made to protest against the destruction of the gorilla's natural habitat in the Virunga Park.
TV5 - A Summer in Alger
A temporary website for the French TV channel TV5, created to introduce film producers from Algeria. Supported by TV and Radio ads.
Likiweb
A project not yet released by the client.
I designed and developed a solution that allows users to create websites without any programming or technical knowledge. Users choose a domain name and hosting solution, and a new blank website will be created for them.
The website is based on a custom-made framework that is inspired by IOS. It gives users access to an app store where they can easily buy and install new applications (group of pages), themes and libraries. Developers and designers can then submit their apps and themes to sell on the app store.
I designed and developed a solution that allows users to create websites without any programming or technical knowledge. Users choose a domain name and hosting solution, and a new blank website will be created for them.
The website is based on a custom-made framework that is inspired by IOS. It gives users access to an app store where they can easily buy and install new applications (group of pages), themes and libraries. Developers and designers can then submit their apps and themes to sell on the app store.
NRJ - Manageur de Stars
A Facebook application for NRJ (#1 radio station in Europe) to promote their "NRJ Music Awards".
Players become the manager of a celebrity of their choice and earn points for promoting their star. The game went viral and got 5M pageviews in 2 weeks.
Players become the manager of a celebrity of their choice and earn points for promoting their star. The game went viral and got 5M pageviews in 2 weeks.
Duracell - Find the Bunny
For 5 days, Duracell was hiding bunnies (toys) in various places in the streets of Paris. Each bunny had a code attached to its belly with a link to the Facebook application.
Each day the application displayed a map of Paris, indicating where the bunnies were hidden and how many were left.
Players who found a bunny could enter their code to see if they won anything from coupons to wireless chargers.
Each day the application displayed a map of Paris, indicating where the bunnies were hidden and how many were left.
Players who found a bunny could enter their code to see if they won anything from coupons to wireless chargers.
Puget - Apéro Fada
A Facebook application for Puget, the leading olive oil brand in France.
A modern version of Whack-A-Mole, where users have to click on the neighbors and avoid clicking on the grumpy guy.
Players would see how they rank against their friends and the world, with the scores being posted on Facebook.
A modern version of Whack-A-Mole, where users have to click on the neighbors and avoid clicking on the grumpy guy.
Players would see how they rank against their friends and the world, with the scores being posted on Facebook.
Isio4 - Pacman
A Facebook game for Isio4, an olive oil brand that is a version of Pacman with the world being the Isio4 logo.
Spartoo
Created a Facebook page tab for Spartoo, the largest online shoes retailer in Europe, that organized a contest for the best shoes of the month. The contest allowed users to suggest a pair of shoes, as well as vote for other people's suggestions, with prizes being awarded for the winners.
Fleetwit
We custom build real-time races that give people the chance to test their gaming skills and brand knowledge in order to win epic prizes. Participants race each other through various challenges.
Broad-Spectrum Analysis of Financial data
https://www.youtube.com/watch?v=9IY_Ni3CqtUIn this video I present the broad spectrum timeframe explorer.
The data from 11 timeframes is pulled, and each dataset is analysed on multiple frequencies using pre-defined algorithms, like RSI, Stochastic or MACD for example.
New algorithms can be created and setup on the charting interface (https://www.youtube.com/watch?v=nP7bg3qKhhs).
Built in NodeJS, MongoDB, AngularJS. Data from Activetick.com.
Part of my "Phyclon" research project.
The data from 11 timeframes is pulled, and each dataset is analysed on multiple frequencies using pre-defined algorithms, like RSI, Stochastic or MACD for example.
New algorithms can be created and setup on the charting interface (https://www.youtube.com/watch?v=nP7bg3qKhhs).
Built in NodeJS, MongoDB, AngularJS. Data from Activetick.com.
Part of my "Phyclon" research project.
Advanced Technical Charting Interface
https://www.youtube.com/watch?v=nP7bg3qKhhsIn this video I present the charting interface, which allows me to create and test new indicators much quicker than by doing do on a professional trading platform.
That let me code my indicators and algorithms directly in JavaScript, letting me use them on both the client-side and the server-side in Node.js.
In addition to the traditional charting, I also have a broad spectrum analysis tool that allows me to visualize the output of various algorithms on multiple frequencies, and allow me to combine multiple algorithms together on a single heatmap, giving a great view of the market.
My latest algorithms, using advanced digital signal processing, are not displayed on that demo, being still experimental and "classified" to protect part of my research.
Built in Node.js, MongoDB, and AngularJS. Data from Activetick.com.
Part of my "Phyclon" research project.
That let me code my indicators and algorithms directly in JavaScript, letting me use them on both the client-side and the server-side in Node.js.
In addition to the traditional charting, I also have a broad spectrum analysis tool that allows me to visualize the output of various algorithms on multiple frequencies, and allow me to combine multiple algorithms together on a single heatmap, giving a great view of the market.
My latest algorithms, using advanced digital signal processing, are not displayed on that demo, being still experimental and "classified" to protect part of my research.
Built in Node.js, MongoDB, and AngularJS. Data from Activetick.com.
Part of my "Phyclon" research project.
Named Entity Recognition on Financial news
Named Entity Recognition in Node.js using Stanford's NLP toolkit. Used for automated news analysis for traders.
Built using Node.js, MongoDB, and AngularJS, as well as data from Reuters. It was part of my "Phyclon" research project.
Built using Node.js, MongoDB, and AngularJS, as well as data from Reuters. It was part of my "Phyclon" research project.
Education
2004 - 2009
Bachelor of Science Degree in International Business
IPAG - Nice, France
Skills
Libraries/APIs
Node.js, jQuery, YouTube API, Facebook API, X (formerly Twitter) API, Face.com API
Tools
Adobe Fireworks, Flash, UltraEdit, Git
Languages
JavaScript, PHP, Go, ActionScript 3, C, Python 2, Python 3
Frameworks
Express.js, AngularJS, Bootstrap
Paradigms
Microservices, API Architecture
Platforms
Firebase, LAMP, Windows, AWS Lambda, Raspberry Pi, Linux
Storage
MongoDB, MySQL, Amazon DynamoDB, Google Cloud, SQLite, CouchDB
Other
Web Development, Natural Language Processing (NLP), Algorithmic Trading, Genetic Algorithms, Generative Pre-trained Transformers (GPT)
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