My favorite stack is React, Redux, Apollo.
My core competency lies in development web applications. I have more 5 years backend developed background a number of projects using Express.js, Koa.js, Sails.js, Meteor.js, Django, Play Framework 2, Socket.io, Sock.js. I have experience in using such DBMS as PostgreSQL, MySQL and Non-SQL databases as MongoDB, Redis, RethinkDB. I am using SOA/MSA/FRP/AOP/DDD principles, unit testing, and TDD. The last 4 years of experience developing web apps using React, Redux, Apollo, Flow typed, Reselect, Recompose, Sass, Styled-components. I have experience in browser rendering principles: view flow, cycles of reflow/repaint. Strong React skills: components lifecycle, optimizations, reconciliation, pure components, etc.
My medium: https://medium.com/@jarick