Journal

Insights

Notes on AI systems, architecture, and shipping software.

Jul 14, 2026 · 2 min

System Prompts, Temperature, and Model Settings: Controlling LLM Behavior

How system vs user messages, temperature, top-p, max tokens, and stop sequences change model behavior—and recommended defaults for product features.

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Jul 14, 2026 · 2 min

How to Use Prompt Engineering for Software Development and Code Reviews

Prompt patterns for coding, debugging, refactors, tests, and PR review—plus policies so AI help does not invent APIs or ship insecure code.

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Jul 14, 2026 · 3 min

Advanced Prompt Engineering Techniques: Chain of Thought, Roles, and Structured Outputs

Go beyond basic prompts: chain-of-thought, self-critique, tool-aware prompting, JSON schemas, and multi-step workflows that raise accuracy for complex tasks.

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Jul 14, 2026 · 3 min

Prompt Engineering Explained: How to Write AI Prompts That Actually Work

A practical introduction to prompt engineering: anatomy of a strong prompt, role–task–context–format, common failures, and a checklist for product teams.

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Jul 14, 2026 · 3 min

AI-Assisted Coding Best Practices for Professional Teams (Without Shipping Slop)

How engineering teams use coding agents and LLMs safely: review standards, secret hygiene, architecture constraints, and productivity metrics that are not vanity.

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Jul 14, 2026 · 3 min

From Codebase to Company: Engineering Practices That Make Software Businesses Scale

The operating system of a software business: product discovery, delivery metrics, platform teams, pricing engineering capacity, and customer-driven roadmaps.

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Jul 14, 2026 · 3 min

Security Architecture for Modern SaaS: Threat Modeling, Tenancy, and Secure Defaults

Practical SaaS security architecture: threat modeling, multi-tenant isolation, secrets, supply chain, and shift-left controls product teams can actually run.

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Jul 14, 2026 · 2 min

Managing Technical Debt Like a Product Portfolio (Not a Guilt Trip)

Treat tech debt as an investment portfolio: classify interest rates, allocate capacity, and communicate debt to non-engineers without panic.

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Jul 14, 2026 · 3 min

Architecture Decision Records (ADRs): How High-Performing Teams Stay Aligned

Use ADRs to capture why architecture choices were made—lightweight templates, review habits, and how ADRs prevent rewrite culture.

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Jul 14, 2026 · 3 min

Observability as Architecture: Logs, Metrics, Traces, and SLOs for Product Teams

Design systems you can debug: structured logging, RED/USE metrics, distributed tracing, SLOs, and on-call practices that reduce MTTR.

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