Readdle is a pioneering force in the personal productivity space on Apple devices, having shaped the landscape since 2007. Our mission is to empower individuals and teams with innovative technology, enhancing their efficiency and creativity. We are dedicated to crafting exceptional mobile and desktop experiences for those who aspire to achieve more.

PDF Expert is one of the best apps to handle or edit PDFs on Mac and iOS. Repeatedly marked as "App of the year" and "Apple Editor’s Choice app" in App Store PDF Expert is the best PDF editor for Mac on the market.

“PDF Expert is one of my must-have iPad apps and a desktop-class PDF reader”. – MacStories.net
“I was blown away at how easy the app is to use”. – MakeUseOf
“The best app for managing, editing, and reading PDFs on your iPad”. – The Sweet Setup

About the role:

As a Product Engineer, you’ll face the most challenging tasks in your career and opportunities to make a great impact — build a productivity app that helps millions of people.
Curious about how we work? Take a look behind the scenes of the PDF Expert team in our recent collaboration with AIN.

What you will do:

Develop core product components and user interface
Implement and maintain support for new iOS/iPadOS features introduced by Apple each year, leveraging the robust set of frameworks and technologies provided by Apple platforms to deliver high-quality solutions
Design application architecture
Provide code quality through code reviews & automated tests
Provide deep research for almost every task
Analyze the code and always look one step ahead - how the code affects other elements of the architecture and how it will be used in the future.
Write integration with services such as Dropbox, Google Drive, etc
Collaborate closely with various departments, including design, marketing, support, and other teams

About you:

Great experience developing applications using Swift and Objective-C
Xcode, Instruments
Strong understanding of SOLID, OOP patterns, concurrency patterns
Experience with Unit Testing
Experience with Memory management and optimizations
Comfortable working with UIKit, SwiftUI, Core Graphics, Foundation, GCD, Swift Concurrency
You’re a person who sees the big picture and product goals above the code 
You are an independent personality and a team player at the same time
You’re passionate about creating a product that solves consumer needs in the best and most successful way.

Would be a plus:

Interest in AI and experience building AI-driven features or agents
Familiarity with CI/CD pipelines and tools such as Jenkins, GitHub Actions, or Azure DevOps

What you will get at Readdle:

Customer-centric culture. We put our users at the heart of everything we do. Every team member has the opportunity to engage directly with customers, gaining insights that shape meaningful, delightful experiences for millions worldwide.
Relentless growth. We’re committed to mastery in our craft. We take ownership of our work, decisions, and outcomes, and we see feedback as a catalyst for growth. Every challenge is an opportunity to learn, evolve, and raise the bar.
Exceptional people, exceptional team. Our greatest strength is our people. We care deeply about each other, work transparently, and celebrate collective success. Together, we build an environment where everyone can do their best work and grow beyond their potential.
Real impact. We design products that truly matter. Our focus is on delivering tangible value, simplifying complexity, pushing boundaries, and continuously improving how we build and deliver solutions to our users.
Culture of innovation. We embrace curiosity and creativity in everything we do. Fresh ideas are not just welcomed, they’re expected, celebrated, and turned into real innovations that shape the future of our products and company.

Senior iOS Product Engineer - PDF Expert team

TLDR