Experienced in HTML, CSS, NextJS, React, JavaScript, TypeScript, NodeJS, Rest APIs, GraphQL, AWS, GCP, Linux server. I'm specialized in developing web applications using NodeJS and React (SPA and SSR using NextJS). I'm experienced in implementing payment systems, ecommerce sites, custom apps, and oAuth/JWT security approaches. I'm usually using Git as control version system; Jest, enzyme, & supertest for testing; Slack for communicating; Jira as task and bug-tracking system