I have worked with numerous clients and a few reputable companies, providing them with Backend Services with rest API's, GraphQL and serverless framework while working with multiple databases such as MySQL, MongoDB, fauna DB and dynamo DB. I am well versed in the art of:Third Party AP Integrations.Payment gateway API Integration such as:(Stripe, Gumroad)Email Service Integrations Such As:(SES, mailgun, sendgrid) My Skill Set Includes: LanguagesJavaScript and TypeScriptI have been working in JavaScript and TypeScript for quite some time. Almost all of my work has been in either JavaScript or TypeScript. FrameworksExpress JS and Serverless with express JSAs the backbone of MERN and MEAN stack development, express is truly an amazing and unbiased tool to develop API's. I have used express as the main development tool for many of my past and present projects.Nest JS I have worked with Nest JS, which provided a modular structure needed for large scale apps while being flexible enough to be used with multiple packages and libraries. Databases and ORM`s SQL with Prisma and Sequelize ORM.I have worked with MySQL for the past 2 years and used Prisma and Sequelize ORM to work with high level queries. NoSQL (MongoDB and DynamoDB)I have extensive experience working with MongoDB and DynamoDB, creating denormalized db structure to better utilize the functionality of Mongo and Dynamo DB. ODM's used to interact with the db's. Mongoose and Dynamoose respectively. Protocols & APIsI have worked with rest API's, GraphQL and web socket. Email ServicesFor sending emails I have integrated SendGrid, Mailgun, Mailchimp, AWS SES and SMTP with nodemailer for multiple clients. Payment Services/GatewaysI have worked with Stripe and Gumroad to receive payments. Authorization and Authentication Services AWS Cognito, Google Authentication, GitHub Authentication OAuth, and Custom authentication with JWT and Session Based Authentication. File System For file handling I have worked with Multer, Formidable, and Node file system ERD`s To increase the understanding of the system. I can generate elaborate and complex entity relationships diagrams to help the client understand what the system requires and is made of.