Work on the backend side. Projects:- Query service: build project from the ground up. + Cronjob to prepare data + Query service to serve a high amount of queries- Authorization service: build from the ground up + Project mimics the IAM system to serve authorization for the company's product.

- Aug 2020 - Jan 2021:Project's description: complex authorization system.Take full responsible for backend: design and develop (using Golang).- Dec 2019 - July 2020 (multiple projects):Maintaining. Back end. Node JS.- Sep 2019 - Nov 2019:Project's description: product to manage Taiga data and generate documentations from it.Take full responsible for back end of product, utilized ExpressJS, MongoDB, Prisma, GraphQL (Apollo). Secure app using best practice of refresh token (JWT).Support front end development (React).

- Feb, 2019 - Apr, 2019: Developed VR web app, worked as back-end and front-end developer (usedExpressJS and ReactJS). Besides, was in charge of setting up server utilized Firebase ecosystem(Cloud Functions, Hosting, Cloud Storage, Cloud Firestore).- Dec, 2018 - Feb, 2019: Developed mobile app using React Native.- Oct, 2018 - Dec, 2018: Developed front-end web app kit for company, worked as back-end and front-end developer (used ExpressJS and ReactJS).- Jun, 2018 - Oct, 2018: Developed web app managing photos from to flicker, facebook, instagram, light room using ReactJS, committed to deliver clean and fully tested code.