Feranmi's Thoughts

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Research Papers

A collection of 5 issues

Feature-Sliced Design in Practice

Most articles about Feature-Sliced Design show you the theory. The layer diagram. The import direction rules. The terminology (slices, segments, public API). Then they show you a contrived example with three components and call it a day. That's not what this is. I've applied FSD across

AI Underwriting Without Credit Bureaus

Most of the world's credit infrastructure is built on an assumption: the borrower has a credit file. A bureau has their repayment history. A score exists. A lender queries it. In Nigeria — and across most of sub-Saharan Africa — that assumption breaks for a significant portion of small and

Testing Non-Deterministic Dependencies: Deterministic LLM Stubs That Preserve the Production Path

There is a class of test suite that is worse than having no tests at all. It passes most of the time. It fails occasionally with no clear reason. It passes again after a retry. You trust it when it passes. You ignore it when it fails. And at some

Grounding AI in High-Stakes Domains: When the LLM Must Never Produce the Number

A few months ago I shipped two products within weeks of each other. One computes your Nigerian income tax from a bank statement. The other decides whether a small business gets a BNPL loan. Different domains, different users, different stakes — but the backend architecture converged on the same rule: the

Event Driven Microfrontend at Scale: Connectic

Heyyyyy, Picture this: you're working on a large frontend platform. Multiple teams. Multiple apps. Each team owns their microfrontend slice of the product, deploys it independently, and has the autonomy to make technical decisions within their boundary. It's the microfrontend dream. Then a user logs in