Vector Databases Compared: pgvector vs Pinecone vs Qdrant
A practical comparison of pgvector, Pinecone and Qdrant for production AI workloads — when each one wins, real performance characteristics, and the migration path between them.
— /journal
Engineering notes & field stories
Production-tested patterns, product stories from Blink AI, Nexia Academy and Wallnetic, and the trade-offs we hit shipping real software. Written by senior engineers, not marketing.
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Sentry + OpenTelemetry: A Production Observability Setup
How we combine Sentry for error tracking with OpenTelemetry for tracing across our Node, React Native and Go services — minimum viable observability for production systems.
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WordPress Headless vs Traditional in 2026
When headless WordPress (REST API or GraphQL + Next.js) makes sense, when traditional WordPress is the better choice, and how to decide before building.
in Engineering -
Building Native macOS Apps in 2026: Lessons from Wallnetic
Shipping a native macOS app in 2026 — SwiftUI vs AppKit, sandbox constraints, App Store entitlements, and what we learned launching Wallnetic on the Mac App Store.
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React Native vs Native iOS/Android in 2026
When to ship cross-platform with React Native, when to go native, and the hybrid pattern most production teams actually use in 2026.
in Engineering -
Mac App Store Submission: 8 Gotchas We Hit Shipping Wallnetic
A field guide to App Store review for macOS apps — entitlement reviews, screenshot specs, notarization edge cases and review timing, drawn from shipping Wallnetic.
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Multi-Tenant White-Label SaaS: Architecture Patterns That Scale
Three production-tested patterns for multi-tenant SaaS — shared database, schema-per-tenant and database-per-tenant — with the trade-offs we learned shipping Nexia Academy and Blink AI.
in Engineering -
Hetzner vs AWS: A Real Cost Breakdown for Mid-Scale SaaS
Why we run most production workloads on Hetzner instead of AWS, with real cost numbers, when AWS still wins, and how to migrate without bringing the operational complexity with you.
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TypeScript Everywhere: Full-Stack Benefits and Tradeoffs in 2026
A practical assessment of running TypeScript across frontend, backend, mobile and infrastructure-as-code — what works, what hurts, and when to choose another language.
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Senior-Only Engineering: Why We Don’t Hide Juniors Behind Invoices
Most software agencies bill senior rates and ship junior code. Here is why T-Square runs as a senior-only studio — what it costs, what it buys, and how to verify it when hiring an engineering partner.
in Engineering