Senior/Middle Android Developer

Posted 15 Days Ago
Be an Early Applicant
28 Locations
Junior
Artificial Intelligence • Edtech
The Role
The Senior/Middle Android Developer will develop and maintain native Android applications, focusing on integrating Kotlin Multiplatform logic, implementing key mobile services, and ensuring high performance through clean architecture principles. Responsibilities include writing unit tests and collaborating with backend services for data integration.
Summary Generated by Built In

Constructor TECH is an all-in-one platform for education and research. With expertise in machine intelligence and data science, Constructor is built to cater to the needs of schools, higher education, corporate training, alternative credentials, and professional sports, offering solutions for teaching and administration, learning and research. 

From infrastructure to applications, Constructor elevates learning experiences, empowers educators, and drives research breakthroughs.

Our headquarters is situated in Switzerland. Also, we have entities in Germany, Bulgaria, Serbia, Turkey, and Singapore.

We're embarking on an ambitious journey to create two game-changing mobile applications that will transform how people learn and collaborate.

DUTIES & RESPONSIBILITIES:

  • Develop and maintain native mobile applications for Android using Kotlin 
  • Collaborate with the team to integrate shared Kotlin Multiplatform logic across platforms 
  • Build key mobile services such as notifications, communication hub, calendar, and online calls 
  • Implement platform-specific features and user interface designs while ensuring high performance 
  • Perform regular code reviews and ensure clean architecture principles (MVVM, Clean Architecture) 
  • Write unit and integration tests to maintain code quality and reliability 
  • Work with backend services to ensure seamless data integration and syncing between apps and external APIs 

QUALIFICATIONS & EXPERIENCE:

  • At least 2 years of experience in native Android app development using Kotlin 
  • Strong understanding of OOP, SOLID principles, and design patterns 
  • Experience working with RESTful APIs and integrating external services 
  • Proficiency with Kotlin Coroutines for asynchronous programming 
  • In-depth knowledge of Android SDKs, libraries, and best practices for performance optimization 
  • Experience with Kotlin Multiplatform or hybrid app development 
  • Familiarity with architecture patterns (BLoC, MVVM, Clean Architecture) 
  • Experience working on projects with complex integrations, such as LMS or CRM systems 
  • Programming Languages: Proficiency in Kotlin and Java 
  • Frameworks and Libraries:  
  • Experience with Kotlin Multiplatform Mobile (KMM) for shared logic 
  • Familiarity with MVVM and Clean Architecture patterns 
  • Proficiency in Retrofit, Room, LiveData, and StateFlow 
  • Development Tools: Android Studio, Gradle, Git 
  • Testing: JUnit, Espresso 

About the Product

Imagine an app that puts the power of a world-class education in the palm of your hand. Constructor products cover all facets of learning from self-education with AI to online teaching. In the app they will be unified to become the go-to platform for learners of all ages and backgrounds. 

Key Features: 

  • Seamless access to a rich catalog of courses 
  • Interactive learning experiences with text, video, and quizzes 
  • Personalized learning paths and progress tracking 
  • Integration with calendars for efficient study planning 
  • Offline mode for learning anytime, anywhere 
  • Powerful AI for all learning purposes
  • Online calls for lectures and practice in education

Why This Project Matters 

In today's fast-paced world, education must be accessible, engaging, and adaptable. Our project aims to: 

  • Break down barriers to quality education 
  • Cater to the growing mobile-first audience 
  • Provide cutting-edge tools for educators and learners alike 
  • Foster a global community of lifelong learners 

The Tech Behind the Magic 

We're adopting a hybrid approach, combining the best of native mobile development and web technologies: 

  • Kotlin Multiplatform (KMP) for shared business logic, maximizing efficiency 
  • Swift and Kotlin for platform-specific features, delivering the best possible user experience 
  • Provide the development of cutting-edge mobile apps for Android 
  • Craft intuitive user interfaces that make learning a joy 
  • Integrate cool features like real-time communication, interactive polls, and virtual breakout rooms 
  • Ensure our apps are fortress-level secure and privacy-compliant
What We Offer

Constructor fosters equal opportunity for people of all backgrounds and identities. We are led by a gender-balanced board committed to building a diverse and inclusive organization where everyone can become their best self. We do not discriminate based on age, disability, gender identity, sexual orientation, ethnicity, race, religion or belief, parental and family status, or other protected characteristics. We welcome applications from women, men and non-binary candidates of all ethnicities and socio-economic backgrounds. We encourage people belonging to underrepresented groups to apply.


Top Skills

Java
Kotlin
The Company
Schaffhausen
133 Employees
On-site Workplace

What We Do

Constructor group is a global institution dedicated to creating knowledge through science, education, and technology. Our integrated, self-sustainable ecosystem focuses on the five fundamental technology needs expected to contribute to solving the current challenges of the world: general intelligence, quantum technology, intelligent materials, hybrid reality, and life engineering.Our knowledge ecosystem combines extensive education offers covering the entire learning lifecycle from K-12 to post-graduate programs and courses for executives, highly efficient research capacities, and commercial operations for our technology breakthroughs.The Constructor ecosystem comprises Constructor University, a non-profit, research-oriented private university located in Bremen, Germany, and an institute in Schaffhausen.Several ventures market our technology innovations: Alemira and Learning focus on advanced solutions in Educational Technology, executive education, and consulting services. Rolos delivers a platform boosting research productivity and develops MI for robotics and driverless mobility. Capital and Start Garden further strengthen our ecosystem by offering funding and start-up incubation capacities.

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