EAEvans
Agina
← PortfolioField notes / 2026
Writing & insights

Notes from
inside the build.

AI boundaries, backend architecture, and the decisions that turn ambitious product ideas into dependable software.

01
AI systems

Safety before language models

What a health assistant taught me about placing deterministic systems around probabilistic intelligence.

6 min↗
02
Backend architecture

Architecture under a four-week clock

How I turned a broad humanitarian platform into domains, queues, and a delivery map.

5 min↗
03
Build notes

Shipping a voice product in three days

The product choices behind Yappper, an AI survey platform and Raenest × DevCareer hackathon winner.

4 min↗