Insights / Field notes
Architecture, AI reliability, product delivery, and connected-system lessons written for founders and engineers making real tradeoffs.
Scope a production-ready SaaS MVP around one buyer outcome, explicit system boundaries, failure handling, operating evidence, and a controlled next release.
Design multi-tenant authorization with tenant-owned data, server-side permission checks, Prisma constraints, PostgreSQL RLS, and isolation tests.
A founder-friendly roadmap for reducing product, technical, operational, and delivery risk before launching a software product.
What an end-to-end product engineer owns across discovery, architecture, delivery, verification, launch, and handover.
Learn how to build retry-safe Stripe webhooks in Next.js with signature verification, durable event storage, ordering guards, queues, and reconciliation.
Compare major microcontroller families available in 2026, including cores, clock speeds, memory, connectivity, use cases, and practical selection trade-offs.
A practical architecture for supplier ingestion, multi-market commerce, controlled AI workflows, campaign operations, and trustworthy analytics.
Learn where AI commerce automation creates business risk and how draft, review, approval, audit, and safe publishing states control it.
A decision-focused guide to structuring authentication, data, billing, background work, and operations in a maintainable Next.js SaaS.
A practical framework for deciding when to use RAG or agents and how to add evaluation, permission boundaries, and human review.
How to structure a connected-product prototype across device firmware, communication, ingestion, dashboards, control, and field testing.