Senior Android Engineer
Flightradar24Sweden19 hours ago
Full-timeEngineering, Information Technology
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Flightradar24 is one of Stockholm’s most successful growth-stage tech companies, with over 5 million daily users across our mobile and web platforms. Our app is the world’s most popular flight tracking service, consistently ranking at the top of the App Store and Google Play charts. Alongside our consumer-facing products, we provide a wide range of commercial services trusted by leading airlines, airports, and aviation organizations worldwide.
We are looking for a highly skilled senior Android Engineer to join our mobile team in Stockholm. You’ll work hands-on at architectural scale - shaping our mobile architecture, guiding technical decisions, mentoring others, and building new features for millions of aviation enthusiasts. At Flightradar24, you’ll join a diverse, international team with over 30 nationalities represented, working together to push the boundaries of aviation data.
Note that this position requires that you are able to work in Stockholm, Sweden. Relocation is not offered for this role.
What you’ll do
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 Travel charts. We also offer a wide range of commercial services and our 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:
Flightradar24 at a glance
We are looking for a highly skilled senior Android Engineer to join our mobile team in Stockholm. You’ll work hands-on at architectural scale - shaping our mobile architecture, guiding technical decisions, mentoring others, and building new features for millions of aviation enthusiasts. At Flightradar24, you’ll join a diverse, international team with over 30 nationalities represented, working together to push the boundaries of aviation data.
Note that this position requires that you are able to work in Stockholm, Sweden. Relocation is not offered for this role.
What you’ll do
- Build and deliver new features for our Android app used by millions of users worldwide.
- Write clean, maintainable, and testable Kotlin code using modern Android frameworks and tools.
- Collaborate with iOS and Android engineers, designers, QAs, backend engineers and product owners to create seamless user experiences.
- Contribute to architecture discussions and help evolve our app toward a modular, scalable design.
- Continuously refactor and modernize the codebase using the latest Android technologies and libraries.
- Strengthen our automated testing and CI/CD pipelines to ensure stable, reliable, and fast releases.
- Participate in code reviews, share knowledge, and mentor less-experienced engineers.
- Take part in release coordination and ensure smooth deployment processes.
- Experienced Android engineer (5–8 years) with a proven record of shipping high-quality, user-facing apps.
- Expert in Kotlin, with strong understanding of Jetpack Compose, Coroutines, and modern Android architecture (MVVM, Clean Architecture, modularization).
- Comfortable working with Jetpack libraries, Material Design, and the latest Android SDKs.
- Passionate about code quality, testing, and maintainability.
- Experienced with unit, UI, and integration testing (JUnit, Espresso, MockK).
- Familiar with CI/CD systems (Gradle, GitHub Actions, Codemagic, Firebase App Distribution).
- Proactive, curious, and eager to adopt new tools and best practices.
- Collaborative communicator who values teamwork, feedback, and shared success.
- Bonus: experience with Firebase, Maps/Location APIs, or Store integration (Play Store, billing).
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 Travel charts. We also offer a wide range of commercial services and our 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
- Flexible and social work environment with free beverages, fruit, and snacks
- Modern office in the heart of beautiful downtown Stockholm, Sweden
- Being part of a diverse team with +30 nationalities and 6 continents represented with English being our main language
Flightradar24 at a glance
- Largest ADS-B network in the world with over 50,000 connected receivers
- 5+ million users per day
- 100+ million app downloads
Key Skills
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