Proven commercial experience with React and Node Experienced in JavaScript, including asynchronous programming, closures, and ES6 Experience with GraphQL Experience in distributed version control systems (e.g. Git) Experience in databases (both relational and schema-less) Strong focus on continuous integration and delivery Strong focus in TDD Building high-performance and scalable applications Good understanding of the design and implementation of RESTful web services Familiarity with performance monitoring tools Ability to keep a cool head when debugging production issues