Codastra – Medium

Codastra

The Indie SaaS KPI You’re Not Tracking

Measure Time-to-Meaningful Outcome (TTMO) to raise activation, retention, and expansion — without burning your support inbox (or your…

10h ago

The Indie SaaS KPI You’re Not Tracking

10h ago

Debugging as a Second Brain

How to build a reusable thinking system that catches bugs, accelerates learning, and future-proofs your engineering career.

12h ago

Debugging as a Second Brain

12h ago

AI Sidekick vs. Senior Engineer: Who Wins Where?

A clear, no-drama playbook for when to lean on AI and when only hard-won engineering judgment will do.

14h ago

AI Sidekick vs. Senior Engineer: Who Wins Where?

14h ago

Node ESM vs CJS: Surviving the Dual-Module Era

Subtitle: A practical playbook for shipping Node packages and apps that work everywhere — without losing your mind.

2d ago

Node ESM vs CJS: Surviving the Dual-Module Era

2d ago

Linear Algebra for Recommenders: SVD Without Tears

Subtitle: A practical, human-first guide to singular value decomposition for modern recommendation systems — what it is, why it works, and…

2d ago

Linear Algebra for Recommenders: SVD Without Tears

2d ago

LLM Prompt Injections: Real Attacks, Real Defenses

Subtitle: How prompt-borne exploits really work — and the practical, layered mitigations that actually hold up in production.

2d ago

LLM Prompt Injections: Real Attacks, Real Defenses

2d ago

BigQuery Join Order: Let the Optimizer Win

Subtitle: How to write intent-driven SQL BigQuery can optimize — plus when to step in with hints and materialization.

3d ago

BigQuery Join Order: Let the Optimizer Win

3d ago

FastAPI Cache Design: CDN, HTTP & In-App Layers

A pragmatic blueprint to make FastAPI feel instant with cache layers that cooperate: CDN edges, HTTP semantics, and in-app/Redis memory.

3d ago

FastAPI Cache Design: CDN, HTTP & In-App Layers

3d ago

Type-Driven HTTP: tRPC vs OpenAPI vs RPC

Subtitle: How three API styles shape developer velocity, safety, and long-term maintainability — and when to pick which.

3d ago

Type-Driven HTTP: tRPC vs OpenAPI vs RPC

3d ago

n8n Marketing Ops: UTMs, Cohorts & ROAS in One Flow

Subtitle: A practical, end-to-end automation that turns raw UTM clicks into cohort insights and ROAS dashboards — without a data team.

5d ago

n8n Marketing Ops: UTMs, Cohorts & ROAS in One Flow

5d ago

Codastra

Codastra

Exploring where code meets creativity. Writing on AI, tech, and the craft of building systems with rhythm, clarity, and orchestration.

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