IDEAS, DECISIONS & LESSONS
Notes on AI, architecture and building useful products.
904 articles
21 Feb 2026 · 18 min read
livekit
Part 3 of 12 — LiveKit gives you WebRTC infrastructure. Pipecat gives you pipeline flexibility. Direct integration gives you simplicity. Here's how to choose for your voice interview platform.
Read more20 Feb 2026 · 11 min read
ai
Part 2 of 12 — The cascaded STT→LLM→TTS pipeline gives you control. Speech-to-speech models give you speed. Here's how to choose — and why the best systems use both.
Read more20 Feb 2026 · 29 min read
architecture
Part 4 of 7 — Implementing Infrastructure with EF Core 10 (pgvector, JSON columns), AI service integrations, Minimal APIs with Route Groups, authentication, and wiring it all together in Program.cs.
Read more20 Feb 2026 · 12 min read
ai
Part 3 of 5 — What MCP is, how to configure servers in .mcp.json, the top servers by category (GitHub, Playwright, databases, search, design, cloud), performance pitfalls, and why you should limit yourself to 2-3 per project.
Read more20 Feb 2026 · 35 min read
edtech
Part 2 of 10 — Toan had a 47-feature wishlist. Shipping half of them would have killed KidSpark before launch. Here's how we found the features that actually mattered.
Read more20 Feb 2026 · 6 min read
ai
Part 2 of 12 — How AI agents transform the BA role: from manual interview synthesis to structured requirements in hours, AI-assisted user story generation, acceptance criteria validation, and the human skills that stay irreplaceable.
Read more20 Feb 2026 · 29 min read
gemini-live
A practical build guide for a speech-to-speech interview agent using LiveKit MultimodalAgent, OpenAI Realtime, and Gemini Live. Dynamic system prompts, 3 personas, function calling, and provider switching — no cascaded pipeline needed.
Read more19 Feb 2026 · 10 min read
ai
Part 1 of 12 — The landscape of real-time voice AI has shifted. Gemini Live, OpenAI Realtime, Bedrock Nova Sonic, and Grok make sub-500ms AI conversations possible. Here's the reference architecture for building a production voice interview platform.
Read more19 Feb 2026 · 6 min read
ai
Part 1 of 12 — A panoramic view of how AI agents transform every role in a modern software delivery team: BA, PO, PM, SA, Tech Lead, Dev, QA, TA, Security, and DevOps — and what it means for how teams collaborate, decide, and ship.
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