Looking for a full stack developer with ANTLR experience -- 4

PLEASE BID THROUGH AFTER CHECKING THE ATTACHED FILE! IF NOT, I'LL REPORT YOU AS A BOT!!!!!
I am seeking a full stack software developer with expertise in React, Javascript, Node.js, Postgres, and CSS. Experience with ANTLR is a plus. This is a long-term project in the visual diagramming space. Ideally, looking for someone to help out 30 hours per week for the next 6 months. There is an existing codebase that you will be contributing to. We will pay higher for a talented expert.

Requirements:
- answer screening questions
- answer 3 interview questions in the attached word document

Please bid with answers to the questions in the attached doc. If not, we'll ignore you.