Devexperts works with respected financial institutions, delivering products and tailor-made solutions for retail and brokerage houses, exchanges, and buy-side firms. The company focuses on trading platforms and brokerage automation, complex software development projects, market data products, and IT consulting services. We’re looking for an experienced Android developer to help us evolve our mobile application used by thousands of clients on a daily basis. While we primarily use Kotlin for all new code, there are still some portions in Java that require attention. We have a p roprietary high-performance mobile transport and share some portions of the code between iOS and Android through cross-compilation. Besides mobile development, our engineers are actively participating in BFF (Backend For Frontend) component development, so we are always sure that we have the most convenient structure and format of the data. We expect the Android Developer to: Enhance and refine our mobile trading Android platform: our current goal is to incorporate Compose with Kotlin flows into already exciting features, Collaboratively architect and deploy innovative features using Kotlin, Share your expertise during code review activities and refinement sessions, Actively participate in platform-wide engineering discussions, offering innovative ideas for improvement. Weekly meetings are held to address current codebase challenges and strategize effective solutions, Work together to create new ideas: in our team, everyone's ideas are important. Engage closely with individuals who propose product ideas, design experts, and other developers to make these new ideas real, Consistently elevate our developer journey, leading the charge in pioneering technical explorations and prototype developments. Must-have skills: Mastery of Kotlin and Java, Deep understanding of Android framework, Analytical and problem-solving skills, Knowledge of OOP principles and an ability to implement them in practice, Strong understanding of data structures, OOP, FP, SOLID principles, Deep understanding of multithreading in Android, RxJava, RxKotlin, and tradeoffs between reactive vs imperative programming, Kotlin Coroutines, Extensive knowledge of Android architecture components LiveData, ViewModel, Navigation, etc, English level B2 or above, BS or higher technical degree in Computer Science or a closely related field, 4+ years of experience in Android software development. Nice-to-have skills: Financial, brokerage, or exchange-related software, Knowledge about Accessibility best practices in Android, Experience with Snapshot testing, Experience working on backend components with Java, DI - Dagger 2, Hilt or any other tool capable of dependency injection, Good understanding of Networking and client-server communication, CI/CD, Gradle and TeamCity, User Interface design and usability design experience. Care for the employees is one of Devexperts' core values. For the suggested position, we offer a benefits package that will guarantee the comfort of our new teammate. Flexibility benefits: Possibility of hybrid work mode, Flexible working hours. Health and recreation benefits: 20 days of paid vacation, 5 days of fully paid additional wellness days, Medical insurance – premium package, Free MultiSport card. Facility benefits: Modern office with new equipment, Panoramic view of Vitosha mountain, PlayStation, Billiard, Relax zone and Gym, Parking space/public transport card, Free drinks and snacks. Community benefits: Teambuilding activities, Corporate parties, Football club, Speakers' club, Free admission to corporate external events, Possibility of joining conferences and professional fairs. Professional training benefits: Local language courses for foreign employees, Unlimited access to self-learning platforms, Certification opportunities, Mentorship Program. Social benefits: Referral bonuses for specific roles, Paid leave upon special events.