Product Engineering5 min read
How We Built a Daily Puzzle Everyone Shares
How Puzji Games gives every player the same daily board with no database: date-based seeds, a deterministic generator and boards built from their solution.
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Practical thinking for building better digital products.
Clear guidance on AI product engineering, SaaS and MVP planning, web applications, automation, cloud delivery, and maintainable software.
AI Engineering4 min read
RAG Explained for Business Teams
Retrieval-augmented generation in plain language: how an AI assistant answers from your documents, what makes it trustworthy, and what to ask before building.
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Web Engineering3 min read
Next.js or a Single-Page App? How to Choose
When to use Next.js and when a single-page app fits better, with two real Puzji sites as examples: a content-led company site and an offline browser game.
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Learning Technology3 min read
Spaced Repetition and FSRS, Explained
How spaced repetition works, why active recall beats rereading, and how the FSRS algorithm in Puzji Recall decides when to show each flashcard again.
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Product Engineering3 min read
How to Plan a Practical MVP Roadmap
A step-by-step way to plan an MVP roadmap: define the core user journey, cut scope to what proves value, and sequence releases so you learn before you overbuild.
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AI Engineering3 min read
AI Readiness Before Automation
Before adding AI to a business workflow, check five things: a clear task, usable data, an acceptable error rate, a human review point, and a way to measure results.
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Cloud Engineering3 min read
A Cloud Launch Checklist for Web Applications
A practical pre-launch checklist for web applications: environments, secrets, deployments and rollback, monitoring, backups, security, performance, SEO, and incident ownership.
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