Are you building a product that competes with these core processors? Or are you building a complimentary product?
As a software developer with a degree in finance, I'm always interested in the new projects out there.
We are starting with the 2nd thing - a complementary product that wraps the core (among other things) with a better UI/UX.
We have sarcastically remarked about writing our own core after struggling with the APIs for the existing vendors. This is becoming a more serious proposition with each passing week.
You mention Fiserv, Jack Henry, Fidelity, but not Thought Machine. Care to share why?
Yes, would like to hear more details from bob1029.
Is there a way to know which CBs or CUs use which processors?
We have been accumulating a database of this information since the 90s. Not aware of any public sources out there.
We are looking to eventually cover all the core processors.
Let me know if there's any way to contact you about this! I'm quite curious from an academic perspective and would love to hear your thoughts (even if it's just a brief phone call or email)!
The complexity in this space is difficult to overstate. We've been working on building solutions that integrate all of the disparate legacy banking technology into 1 logical application the bankers can use. Been going at this for almost a decade now.
Success in this space is extremely unlikely. We failed ~4 times but were encouraged by how close we got on that 4th try to give it a final go. Seems we have some traction this time. Watching other vendors (with far more resources than us) try to break into this space is quite amusing at this point.
The key to winning in banking with technology is to listen to the business. There is a LOT of contradictory bullshit in banking, and if you just use your developer intuition to build the domain model in isolation, you will fail as soon as the business gets involved. Outsourcing development of these integration products to a 3rd party is a guaranteed fail when working with these kinds of customers.
Expert mode is building a product that can work at 3+ banks at the same time. Darksouls mode is building one that can handle more than 5 jurisdictions.