Need an angular developer to do regular updates on our running website

We have a running SaaS platform. Our business is up and running and our website's built on Angular. We are looking for a highly experienced angular developer who can work for us on a freelance basis. It's a startup, so can't afford really expensive people. But someone with atleast 7-10 years of experience is preferred. It's will be about 10 hours per week to start with. Please send through your proposals and your previous work. Thanks!