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Skills that raise your pay

• Both platforms

  Developers who can ship on iOS and Android are rarer and paid for it.

• Back-end and cloud

  Apps talk to servers. Knowing AWS (Amazon Web Services) or Firebase makes you a full-stack mobile developer.

• Security

  Banking and health apps need developers who understand encryption and privacy law.

• Performance work

  Making an app fast on a cheap phone is a senior skill.