Android Developer (Banking)

About the JobCompany DescriptionOBSS is an engineering-led technology consultancy helping organisations build, modernise and scale mission-critical systems through AI-native delivery. For 20+ years, we’ve delivered high-volume solutions across defence, finance, insurance, aviation, retail & e-commerce, and other regulated industries, driving measurable business impact across complex digital ecosystems. Our capabilities span technology consultancy, software engineering, cloud, data & AI, and experience design. We apply AI-native delivery to bring greater speed, governance, predictability, and repeatability to mission-critical delivery environments. With 1,000+ technology professionals and offices in London, Istanbul, and Ankara, OBSS brings enterprise-grade delivery depth and engineering scale to organisations operating in highly demanding technology landscapes. OBSS is looking for a Android Developer to join our dynamic team and contribute to delivering end-to-end software solutions across diverse industries. You will work on cutting-edge projects, collaborating with cross-functional teams to design, develop, and maintain high-quality applications that solve real business problems.Main ResponsibilitiesDesign, develop, test, and maintain high-quality native Android applications using Kotlin and Java.Collaborate closely with product managers, designers, backend developers, and other stakeholders to deliver exceptional user experiences.Architect scalable, reusable, and maintainable app components applying clean code principles and design patterns (MVVM, MVI).Integrate RESTful APIs and third-party libraries effectively.Optimize application performance, responsiveness, and battery usage.Write unit tests and UI tests to ensure app stability and quality.Participate in Agile/Scrum processes including sprint planning, daily standups, and retrospectives.Conduct code reviews and contribute to continuous improvement of coding standards.Manage codebases using Git or other version control systems.Stay current with the latest Android development trends, tools, and best practices.Troubleshoot and resolve production issues to ensure seamless user experience.Qualifications / Technical SkillsBachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.Minimum 3 years of professional experience developing native Android applications.Strong proficiency in Kotlin and Java programming languages.Solid understanding of Android SDK, Android Studio, and Jetpack components.Experience with modern Android architectures and patterns such as MVVM, MVI, and Clean Architecture.Knowledge of RESTful APIs, JSON parsing, and network libraries like Retrofit.Familiarity with databases such as SQLite, Room, or Realm.Experience with unit testing and UI testing frameworks (JUnit, Espresso).Understanding of material design principles and good UI/UX practices.Familiarity with Agile/Scrum methodologies.Proficient with version control tools, especially Git.Excellent problem-solving, analytical thinking, and communication skills.Ability to work effectively in a collaborative, fast-paced environment.Experience with Jetpack Compose, Coroutines, Flow, and Dependency Injection frameworks (Hilt, Koin).Apps published on Google Play Store or contributions to open-source Android projects.Ability to approach AI with curiosity and intention, actively incorporating AI-powered tools into workflows to enhance productivity and drive innovation.Additional InformationsProfessional Growth & LearningAs a tech company, we focus on reskilling and upskilling to support career growth. We offer a personalized Individual Growth Program (IGP), where employees set clear goals for each half of the year. These goals may include trainings, certifications, and personal development milestones, creating a structured roadmap for continuous improvement. The IGP helps employees strengthen both technical and soft skills, ensuring steady professional advancement.Company Culture and ValuesWe celebrate diversity, inclusion, and equal opportunity, fostering a collaborative environment where innovation can flourish. Our culture emphasizes mentorship, knowledge sharing, and active participation in tech communities, workshops, and team events. This vibrant atmosphere empowers employees to contribute their best while feeling supported and valued.Benefits and PerksWe provide competitive salaries, flexible and hybrid working arrangements, and a wide range of opportunities for growth through training programs, certifications, and workshops. In addition, we offer initiatives designed to build a supportive and engaging workplace where curiosity and collaboration are encouraged. These benefits ensure that employees feel motivated, empowered, and equipped to reach their full potential.