Hello,
I have experience in NodeJS 6 & 8 and I know breaking changes done from 6 to 8. I can help you to make npm package to NodeJS 6 compatible. Let me know when we can discuss.
I am Sr. full stack developer & DevOps with 5+ years experience. I have experience in JavaScript, NodeJS, ExpressJS, AngularJS, MongoDB, MySQL, PostgreSQL, Linux, Nginx, Apache, AWS, Git, etc.
Looking forward to working with you.
Thanks
Update: I can work in this weekend as well as I am an individual freelancer developer.