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NELLA Labs

Insights

Writing from the people doing the work.

Not thought leadership. Specific problems we have hit, what we tried, and what we would do differently — written by the engineers and designers who hit them.

5 articles

Applied AI

Your RAG system is a data leak waiting to happen

Most retrieval-augmented generation systems enforce permissions at indexing time, or not at all. Both are wrong, and the failure is invisible until it is severe.

NELLA Labs Engineering · 8 min read

Identity and Trust

Identity verification is an orchestration problem, not an integration problem

Teams integrate a verification vendor per country and end up with several incompatible processes and no single audit trail. The fix is to make the sequence itself the thing you build.

NELLA Labs Engineering · 7 min read

Technology in Africa

Designing for the connection your users actually have

Building for Ghana and Nigeria changes architecture decisions that a London-only product never has to make. Most of them are about payload size and failure behaviour, not device capability.

NELLA Labs Design · 6 min read

Responsible AI

Screen for high-risk processing during discovery, not before launch

A data protection impact assessment discovered two weeks before go-live is a schedule problem. Discovered during discovery, it is a design input.

NELLA Labs Security · 6 min read

Product Design

Pick the right aggregate root and half the product designs itself

In property software, teams model the property. The property is not the thing that persists — the tenancy is. The same mistake recurs across sectors.

NELLA Labs Design · 5 min read

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