ai agents 14 min
Building AI Agents With Guardrails That Don't Break
A reference architecture for production AI agents: planning loops, tool use, retries, evaluation and human-in-the-loop handoff.
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Engineering insights that teach.
Deep, practical write-ups on AI systems, SaaS architecture, Postgres, TanStack Start and automation. Every article is written to help you build better software — not to sell you something.
Latest articles
tanstack start 12 min
A Production Architecture for TanStack Start
Folder structure, data fetching, caching and server/client boundaries for a maintainable TanStack Start codebase.
Read article supabase 10 min
Supabase Row Level Security: Patterns That Scale
How to model multi-tenant RLS policies, avoid common leaks, and keep policies readable.
Read article postgresql 11 min
PostgreSQL Indexing for Real-World Performance
When to use B-tree, GIN, partial and composite indexes — with query plans you can read.
Read article saas engineering 13 min
Designing Multi-Tenant SaaS: Isolation, Billing, and Scaling
A comparison of tenant isolation strategies with a recommended starting architecture.
Read article react 9 min
React Rendering Performance: The 80% That Matters
Memoization, list virtualization, and avoiding re-renders without over-engineering.
Read article nodejs 10 min
Background Jobs and Queues in Node.js
When to reach for a queue, how to design idempotent jobs, and a retry strategy that survives crashes.
Read article voice ai 12 min
Voice AI Architecture: From Phone to Response in 800ms
Streaming STT, LLM orchestration, and low-latency TTS for human-sounding voice agents.
Read article api design 8 min
REST API Design: Naming, Errors, and Versioning
A pragmatic API design checklist with examples of good and bad request/response shapes.
Read article security 11 min
Securing SaaS Applications: Auth, Secrets, and Audit Logs
A security baseline for web apps: auth flows, secret management, and what to log.
Read article performance 9 min
Core Web Vitals Optimization That Actually Moves the Needle
Where to spend effort for LCP, INP and CLS, and how to measure it in CI.
Read article custom crm 10 min
Designing a Custom CRM Data Model Around Sales
Leads, opportunities, pipelines and activities — a schema that matches how teams actually sell.
Read article system architecture 12 min
System Architecture Tradeoffs: Monolith, Modulith, Microservices
How to choose a service boundary strategy for a growing product without premature complexity.
Read article business automation 8 min
Automating Business Workflows With n8n
A practical walkthrough of building reliable integrations and approval workflows with n8n.
Read article developer experience 9 min
Developer Experience: CI/CD and Testing That Teams Keep
Fast feedback loops, type-safe tests, and a CI setup that catches regressions early.
Read article ai engineering 11 min
Evaluating AI Features: Offline Metrics and Online Guardrails
How to test LLM outputs before and after shipping, with a lightweight eval harness.
Read article enterprise software 10 min
Enterprise Authentication Patterns: SSO, SCIM, and RBAC
What B2B buyers expect from auth: SAML/SSO, user provisioning, and role-based access.
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