Brief introduction I’m a solo builder. I built Salute , a cross-platform mobile application focused on structured tracking of workouts, nutrition, and habits — the three core pillars for building a sustainable healthy lifestyle product. In this post, I want to walk through some of the more significant technical and architectural decisions I made during the last months of development. Building solo: slow is fast Working alone changes the nature of execution. You are responsible for both system design and implementation, and every decision compounds quickly. I tend to work in a highly time-aware way, optimizing small actions and switching contexts efficiently. But when building a full product solo, I had to shift priorities. I followed a principle I learned from my Brazilian Jiu-Jitsu coach: technique first, then power.…