Integration of user-facing elements developed by front-end developers with server-side logic Writing reusable, testable, and efficient code Design and implementation of low-latency, high-availability, and performant applications Implementation of security and data protection Integration of data storage solutions may include databases, key-value stores, blob stores, etc. Back-End Developer, familiar with advanced concepts like Object-Oriented Programming, Services, Dependency Injection, Web API, Error Handling, Unit Testing, and Database access, etc. Skills And Qualifications: Strong proficiency with JavaScript Knowledge of Node.js and Express Framework Knowledge of MongoDB & SQL Understanding the nature of asynchronous programming and its quirks and workarounds Proficiency with HTML5, CSS3, JavaScript/jQuery, local storage, and cross-browser compatibility are required User authentication and authorization between multiple systems, servers, and environments Creating database schemas that represent and support business processes Proficient understanding of code versioning tools, such as Git Understanding accessibility and security compliance Depending on the specific project Understanding fundamental design principles behind a scalable application Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform Must have hands-on experience in designing and developing high volume REST APIs. Implementing automated testing platforms and unit tests 1 to 5 years experience required. Salary is no bar for right candidate.Good proficiency in English is more preferable.Job location: Surat & Pune