Field notes
Engineering writing
from the team that does the work.
Practical notes on internal tools, multi-tenant architecture, data pipelines, and the build-vs-buy decisions that actually matter.
- Custom DevelopmentApril 22, 2026· 9 min read
Why most internal tools become unmaintainable in 18 months
Internal tools start as a Google Sheet, become a flaky Streamlit prototype, and end up as the codebase nobody touches. Here is what we have learned about extending the runway.
- ArchitectureApril 8, 2026· 10 min read
The honest cost of multi-tenant SaaS architecture
Multi-tenant SaaS gets pitched as the obvious right answer for any B2B product. The trade-offs are real, the cost compounds quietly, and choosing wrong adds twelve months to your roadmap.
- Data EngineeringMarch 25, 2026· 8 min read
When to build vs buy your data pipeline in 2026
The honest decision matrix for whether to build your data pipeline on managed services, an open-source stack, or a vendor like Fivetran. Real numbers, not vendor pitch decks.