When we started building Azma Finance — an online accounting platform for small businesses in Uzbekistan — we knew localization would be important. We didn't know it would become one of our biggest engineering and product challenges.

Here's what we learned after shipping in four languages: Uzbek, Russian, English, and Chinese.

Why four languages?

Uzbekistan is genuinely multilingual. Most people over 35 are comfortable in Russian. The younger generation prefers Uzbek. Foreign investors and expats need English. And with a growing wave of Chinese businesses entering the Central Asian market, Mandarin became a real business need — not a nice-to-have.

Skip any of these, and you're leaving a meaningful chunk of users behind.

Lesson 1: Language is not just translation

The hardest part wasn't translating strings — it was context. In Uzbek, formal and informal address completely change the tone of UI copy. In Russian, nouns have grammatical gender that affects button labels.…