Tai Pham Phu — WritingCo-founder of Santara. I build software that takes the busywork off people’s plates. Writing on product, applied AI and backend architecture.https://phamphutai.com/Clean Architecture in Practice: How to Structure Large Backend Systemshttps://phamphutai.com/2026/03/14/clean-architecture-in-practice-how-to-structure-large-backend-systems/https://phamphutai.com/2026/03/14/clean-architecture-in-practice-how-to-structure-large-backend-systems/As backend systems grow, codebases often become harder to maintain. Business logic gets mixed with frameworks, database logic spreads across services, and…Sat, 14 Mar 2026 00:00:00 GMTBackendArchitectureWriting Better Code with SOLID Principleshttps://phamphutai.com/2026/03/14/writing-better-code-with-solid-principles/https://phamphutai.com/2026/03/14/writing-better-code-with-solid-principles/Modern software systems grow quickly. Without good design practices, codebases become difficult to maintain, extend, and debug. One of the most influential…Sat, 14 Mar 2026 00:00:00 GMTSystem DesignRecommendation System: How Important Is It?https://phamphutai.com/2025/06/29/recommendation-system-how-important-is-it/https://phamphutai.com/2025/06/29/recommendation-system-how-important-is-it/We have been fascinated by social media platforms like TikTok, YouTube, and Facebook. Have you ever wondered how these platforms seem to predict our…Sun, 29 Jun 2025 00:00:00 GMTRecommendation SystemTechnologycollaborative filteringcontent-based filteringhybrid recommendation modelGenerative AI Large Language Model – Train From Pre-trained Modelhttps://phamphutai.com/2025/06/14/generative-ai-large-language-model-i-fine-tunning-gpt-model/https://phamphutai.com/2025/06/14/generative-ai-large-language-model-i-fine-tunning-gpt-model/You’ve probaly heard people talk about LLMs – short for Large Language Model – especially since tools like ChatGPT have become popular. But what exactly is…Sat, 14 Jun 2025 00:00:00 GMTGenAITechnologyThe Rise of Generative AI: Simplifying Learninghttps://phamphutai.com/2025/06/10/generative-ai-chapter-1-what-is-gen-ai/https://phamphutai.com/2025/06/10/generative-ai-chapter-1-what-is-gen-ai/Lately, everyone’s talking about Generative AI. You hear about it everywhere – at the coffee shop, in the office, even from your family. It’s changing how…Tue, 10 Jun 2025 00:00:00 GMTGenAITechnology