julien dumas

self-educated

About

Software Development Consultant at Squarefy

Country

france

City

france

Industry

internet

Skill

web development, system administration, software development, big data, database administration, database design, relational databases, distributed databases, distributed caching, ruby, ruby on rails, php, node.js, amazon web services, restful webservices, mysql, mongodb, apache

Experience

self-educated

web developer

awe

2008-9 - 2009-2 · 6 mos

php developer

dnxcorp

2014-9 - 2015-7 · 11 mos

* Maintaining and developing a high trafic dating website, based on technologies PHP/MySQL/ElasticSearch. * Over the past 7 months, I've introduced some new modern technologies to our stack : * PHP 5.6 (upgraded from 5.3); * Redis 3.0 for inter-processes communication and temporary data storage (moved from Memcache) ; * MongoDB 3.0 using WiredTiger engine, to store schema-less data and get lightspeed-writes, it's actually used by our real-time chat and in the future our activities feed) ; * NodeJS server cluster with Redis as a backend for our real-time chat * S3 / CloudFront to serve assets / static files * AngularJS for our frontend mobile application

chief technology officer

e-mediad

2010-4 - 2014-1 · 3 yrs 10 mos

* I created a fully-automated advertising platform (for an online dating website). * The platform was built with Ruby on Rails and MongoDB/Redis. * AWS was used as our production environment. * System administration: Debian/Ubuntu, CentOS * Cloud with AWS: EC2, Auto-Scaling, VPC, S3, SES, SQS, SNS, Route 53, CloudFront, DynamoDB * Database management: MongoDB, Redis, ElasticSearch, KyotoCabinet/TokyoCabinet * Development: PHP, Ruby on Rails, C/C++, Perl * Web-scraping and automated programs * Managed a fleet of more than 100 000 proxies (HTTP, SOCKS5 and VPNs)

software development consultant

squarefy

2015-7 - 2017-7 · 2 yrs 1 mo

* Developing/improving softwares as a consultant. * Skills : * Ruby / Rails * PHP * NodeJS * Web languages: HTML5, CSS3, JS, CoffeeScript, TypeScript, Sass, SCSS, LESS, HAML, Jade * AWS and Heroku * Knowledges in: Perl, Python, C/C++, Objective-C / Swift * Complex web-scraping and automated solutions * Distributed processing * Cloud oriented programming * Sys. admin : * OS: Debian / Ubuntu / CentOS * Cache servers: Redis, Memcached * Search servers: ElasticSearch, Solr * HTTP servers: Apache, Nginx, Passenger * Relational databases: MySQL, PostgreSQL * Schema-less databases: MongoDB, Couchbase * Embedded databases: SQLite, KyotoCabinet / TokyoCabinet, LevelDB, RocksDB * AWS: EC2, VPC, Route53, S3, SES, SQS etc. * and more...