Experience in backend Node.js, Express.js and PostgreSQL (or) MySQL Experienced in Node.js, Express.js, JSON, Javascript Desired knowledge of the following technologies: PostgreSQL (or) MySQL Experience building RESTful JSON APIs Good understanding of microservices patterns. Experience in developing authentication flow using JWT (JSON web token). Familiarity with Agile development. Logic and problem-solving ability. Strong in asynchronous programming and Promises Understanding fundamental design principles behind a scalable application Experience with a software version-control system such as Git Experience with microservices architecture, debugging, refactoring, design patterns, test-driven development, and other programming practices Experience with data schema design, and migration