Buildeon Systems
Engineering Knowledge Base Architectural Teardowns

Commerce Systems & Agentic Architecture Blog

Independent benchmarks, total cost of ownership models, and production architecture teardowns for engineering leaders evaluating headless stacks, marketplaces, and high-scale directories.

Email Infrastructure & Security • January 2027 Enforcement Guide
• 13 min read

Google Is Killing Custom Domain 'Send As' in January 2027: The Zoho Mail Migration & Zero-Cost BIMI Guide

An architectural migration guide detailing the January 2027 deprecation of Google's custom-domain 'Send As' SMTP routing, comparing Zoho Mail Free Forever vs. Mail Lite, and providing production DNS setups for SPF, DKIM, DMARC, MTA-STS, and zero-cost BIMI workarounds.

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AI Search & GEO Architecture • 10,000 SKU Production Trial
• 14 min read

Generative Engine Optimization (GEO) in Practice: Structuring E-Commerce Catalogs for ChatGPT, Perplexity & Claude Citations

An architectural deep dive into Generative Engine Optimization (GEO) for e-commerce: implementing edge markdown content negotiation, Schema.org entity disambiguation, and agent protocols to maximize AI answer engine citations.

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Headless Architecture • 500 req/s Concurrency Benchmark
• 16 min read

Headless Commerce Shootout: Medusa vs. Saleor vs. Vendure (2026 Edition)

An architectural benchmark comparing Medusa v2, Saleor, and Vendure across concurrency under 500 req/s load, data modeling, GraphQL vs REST APIs, and self-hosting TCO vs Shopify Plus.

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PIM & Master Data • 250k SKU Trial
• 15 min read

Open-Source PIM Shootout: Akeneo vs. Pimcore (2026 Architectural Teardown)

Evaluating Akeneo and Pimcore across a 250,000 SKU indexing trial, enterprise digital asset management, syndication channel latency, and integration overhead with headless commerce engines.

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Content Architecture • App Router Cache Benchmark
• 13 min read

Headless CMS for E-Commerce: Strapi vs. Directus vs. Payload (2026 Edition)

A code-first benchmark comparing Strapi v5, Directus, and Payload CMS v3 on Next.js 15 App Router server-side caching, relational complexity, multi-tenant RBAC, and database reflection performance.

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Buildeon Systems Engineering

Architecting Modern Commerce or Agentic Workflows?

We architect and build bespoke headless platforms, high-throughput payout integrations, and AI-native discovery graphs with zero proprietary SaaS platform rent.