This is an excellent goal. Part of it will come with experience and part of it is yours to improve.
Your strength appears to be in front-end/web client development. I would continue to grow those technical skills by getting better at Angular 1, Angular 4, React, and jQuery.
By increasing your technical knowledge, more experience, and focus you can increase your velocity.
You've had a good first 8 months in the MDC. You successfully delivered on your first, very short project. You are currently meeting your commitments on your 2nd project. You've grown your technical skills and