ai12 min read
Fine-Tuning vs RAG — When to Train Your Model and When to Retrieve Instead
Decide between fine-tuning and RAG with decision frameworks, cost/performance tradeoffs, hybrid approaches, and evaluation metrics like RAGAS and G-Eval.
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1575 articles
flyio7 min read
Fly.io for Backend Engineers — Fast Global Deployments Without Kubernetes
Deploy globally on Fly.io without managing Kubernetes. Zero-config deployment, multi-region, Machines API, and cost-effective Postgres hosting.
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backend7 min read
Founder Demands "Just Make It Fast" — Translating Business Pressure Into Engineering Work
"The app is slow. Fix it." — said by the founder, with no further context. Is the homepage slow? Checkout? API responses? For which users? On mobile? Under what conditions? Turning vague business pressure into actionable performance work requires measurement before code.
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backend7 min read
The State of Backend Engineering in 2026 — What Changed and What''s Coming
The biggest shifts in 2025-2026 and what''s coming next. A look at the state of backend engineering.
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backend7 min read
GDPR Data Deletion Panic — The "Right to Be Forgotten" Request That Takes Six Weeks
A user submits a GDPR deletion request. You have 30 days to comply. But their data is in the main DB, the analytics DB, S3, Redis, CloudWatch logs, third-party integrations, and three months of database backups. You have 30 days. Start now.
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