Senior Full Stack Web Engineer

ROBLOX is the best place to Imagine with Friends™. With the largest user-generated online gaming platform, and over 15 million games created by users, ROBLOX is the #1 gaming site for kids and teens (comScore). Every day, virtual explorers come to ROBLOX to create adventures, play games, role play, and learn with their friends in a family-friendly, immersive, 3D environment.

As a Senior Full Stack Web Engineer, you will work on a cross-discipline team building world class features for the ROBLOX platform. ROBLOX is a game development and distribution platform, social network, real time communications platform, real time bidding ads platform, ecommerce site, search engine, and cloud services provider all in one. We are looking for engineers who are passionate about building efficient systems that operate at scale across all of these domains. Our distributed backend system of microservices handles over 1.5 million transactions per second at peak and growing. Your role will be incredibly high impact and will directly affect our tens of millions of monthly users.

* Build backend services across a large distributed system * Write unit and integration tests * Identify and resolve performance issues * Help define next generation standards on the backend web and service stack * Participate in building the world's best user generated gaming platform

**Must Haves:** * 5+ years shipping high complexity code. * Experience supporting mission-critical applications on a large scale. * Demonstrable skill with compiled languages such as C#, Java, C++, or others. * Experience with Microsoft SQL Server, MySql, PostgreSQL or other database technology at scale. * Complete knowledge of HTML/CSS and its cross-browser challenges. * Extensive knowledge and experience with core JavaScript fundamentals. * Experience with at least one JavaScript framework such as AngularJS, Ember, Backbone, KnockoutJS, etc. * Experience with CSS preprocessors such as LESS or SASS and CSS libraries such as Bootstrap or Foundation. **Nice to Have:** * Experience using modern javascript tools such as NPM, grunt, gulp, karma, jasmine, istanbul, etc. * Experience building responsive web pages and an interest in working within the presentation layer. * Experience with search technologies such as SOLR or Elasticsearch * Experience with noSQL technologies such as MongoDB, DynamoDB or others * Experience with Memcached, Redis, or other caching technologies * Experience with a modern web application framework (Ruby on Rails, php/zend, JSP, .NET) * Expertise in common web application security issues.