Essential Developer Academy

Become a complete Senior iOS Developer

Practical resources on Swift, TDD, modular design, and clean architecture to help you deliver high-quality apps and grow your career with confidence.

Courses

Choose a path based on how deep you want to go.

iOS Lead Essentials •

A complete mentorship program to become a complete senior iOS developer.

See the flagship program

Professional iOS Engineering

A free series on Swift, TDD, modular design, and clean architecture.

Browse episodes

Free resources

Articles, podcasts, and mentoring sessions to help you grow as a developer.

Book suggestions - A curated list of books we recommend for software development and general education.

How senior iOS devs test & refactor legacy code with Massive View Controllers | Live Dev Mentoring

S03E04: Architectural Patterns Applied in iOS apps | Professional iOS Engineering Series

How to become a confident iOS Lead & pass interviews with ease | iOS Lead Essentials Podcast #054

How to create a Generic Networking Layer in iOS apps (Refresh Tokens, Combine, Async/Await, SwiftUI)

How this iOS Dev was promoted to Senior with a 2x salary raise | iOS Lead Essentials Podcast #053

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Your Instructors

Caio Zullo
I've been writing software since 1998, professionally since 2006, and on Apple platforms since 2009. I love building robust, well-engineered, and beautiful applications and coaching developers to achieve their best potential.

Mike Apostolakis
I'm a software engineer from Athens, Greece. My goal is to help the software industry evolve by enabling developers and companies to practice valuable techniques and build powerful and durable systems.