Senior iOS Developer

Flightradar24 is one of the most successful growth-stage tech companies in Stockholm. Each day more than 4 million aviation enthusiasts visit Flightradar24 (app/website) and our Commercial services team has many of the biggest names in aviation on its customer list.
We are looking for a talented iOS developer to join Flightradar24, expanding the team working on the world’s most popular flight tracking app. You will play an important role in our mobile team, implementing new features, improving performance and modernizing our codebase. Above all, your work will impact the way millions of users experience Flightradar24 every day.
This position is open to candidates based in Stockholm.


What you’ll do
Work alongside a fully remote team of 3 senior iOS developers
Collaborate with our Android team, designers, QA and product owner to find end-to-end solutions to important problems and features
Contribute to development of features, refactoring and modernizing our app, and maintaining a high-quality codebase
Deliver modern, testable and maintainable code adhering to best practices in iOS development
Add to, and enhance, our comprehensive automated test suite
Participate in knowledge sharing with the other developers in the team
Coordinate releases of our iOS app, rotated within the team on a regular cycle

Who you are
You have at least 4 years of professional iOS app development experience, preferably on apps with a large user base
You have experience working with Swift
You have the ability to read, understand and modify existing Objective-C code
You have strong experience with UIKit, as well as prior experience with SwiftUI
You care about quality and know what it means to ship high-quality code
You have strong experience with writing automated tests - including unit and snapshot tests
You have prior experience with refactoring or modernizing an app (e.g. modernizing app architecture, maintaining Swift and Objective-C code at the same time, improving testability of the codebase)
You have prior experience with CI/CD tools
You have strong attention to detail
You have strong written and spoken English
You have prior experience with Google Firebase, MapKit and/or StoreKit (desirable)

About Flightradar24
With over 4 million daily users, Flightradar24 is the world’s most popular flight tracking service. Our app regularly tops the App Store and Google Play charts. We also offer a wide range of commercial services and customers include many of the biggest names in aviation.
We're constantly adding new services and improving existing products. To help us meet those challenges, we're looking for creative, collaborative and tech-savvy applicants to join us.
Benefits of working at Flightradar24 include:
Opportunity to impact a service with millions of end users from all around the world
Modern office in the heart of beautiful downtown Stockholm, Sweden
Being part of a diverse team with 30+ nationalities and 6 continents represented