Requirements first or usecase first?

Abbott
ttobbA

Go to company page Abbott

ttobbA
Apr 5, 2018 9 Comments

We have a culture here that we do the use cases first and then work on implementation and then derive the requirements from the use cases when all is done.

But I learnt that the requirements always have to come first, so that we are always reminded of what we are trying to solve while doing use cases.

How do you do it?

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  • Amazon / Eng
    Hooliganss

    Go to company page Amazon Eng

    BIO
    AWS
     Hooliganss
    Work backwards from the customer’s perspective. I think that could be either one tbh.
    Apr 5, 2018 2
  • New
    Tozieee

    Go to company page New

    Tozieee
    Requirements first
    Which will give you a MVP
    Cut down on the original reqs to see if MVP is worth the scope ( to launch sooner)
    Use cases will be covered in reqs, if not, the requirement collected were not done right
    Corner cases next(if needed)
    Prototype it
    Dog fooding next
    Soaking, iterating and optimizing next.

    Good luck
    Apr 5, 2018 2
    • New
      Blindr

      New

      Blindr
      This is good, except dog fooding would not work if you want to cut down scope and focus on MVP.
      Apr 5, 2018
    • New
      Tozieee

      Go to company page New

      Tozieee
      Right. But purely from the launch perspective, the minimal the better. Agreed.
      Apr 5, 2018
  • Coursetake
    ikbR08

    Coursetake

    PRE
    Amazon, Microsoft, Groupon
     ikbR08
    Doesn’t matter. Be iterative. Customers first. As long as your capture working backwards from the customer, doesn’t matter if you start with the use case or the requirement.

    What’s important is to identify your target customer segment and hence customer persona clearly.
    Apr 5, 2018 0
  • New
    Blindr

    New

    Blindr
    Users first. Try to create user stories from a customer perspective focused on solving a problem.
    Apr 5, 2018 0
  • Amazon / Eng
    MuhammadLi

    Go to company page Amazon Eng

    PRE
    NASA
    BIO
    Guess who is going to the International Space Station!
     MuhammadLi
    Chicken and egg problem huh? The only answer is to have quick feedback and frequent revision, as often as possible, so you go toward the right direction and get there eventually, fast.
    Apr 6, 2018 0