[sundeep_b]

I think the problem is that there's only one mind on it. As you said the project is quite big with a lot of dependencies, it is quite possible mind becomes numb to the future developments. Here's my advice. Pick the parts that might interest you

* Even if it takes a day, try telling it to a rubber duck. Take it for a walk if you guys get tired at desk. * Talk it to at least one friend who can try to understand. In my short experience, this helps in realizing how we can or want to proceed. Or even go with the freelancer your thinking to hire, you might succeed. Can't know unless you tried once. * Stubs and skeletons * Sequence matters. If it is only you that has to do parallel work, you have to do it anyway. Even with a freelancer, you should decide how to proceed. So, either ways, even though hard, you need to break it up. Try not to multitask if you do it alone.

And, I think more technical details might fetch you better advice. I could be wrong!