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Posted Jun 10, 2026

SR. MOBILE DEVELOPER (iOS & ANDROID)

About the position We are searching for a Senior Mobile Developer to develop a secure financial application that enables clients to apply for and manage loans directly through their mobile devices. The app will allow users to submit loan applications, receive real-time eligibility decisions, review repayment terms, and track their loan status, providing a fast, convenient, and user-friendly digital lending experience. The application is open for candidates from Lithuania. Responsibilities • Design, develop, and maintain high-quality mobile applications for both iOS and Android platforms. • Lead the mobile architecture and make key technical decisions to ensure scalability, security, and performance. • Implement secure user authentication, loan application workflows, and payment-related features. • Integrate mobile apps with backend services, APIs, and third-party financial systems. • Ensure compliance with security standards, data protection regulations, and best practices for financial applications. • Optimize application performance, reliability, and user experience across devices. • Conduct code reviews, enforce coding standards. • Collaborate closely with product managers, designers, backend developers, and QA teams. • Oversee app releases, versioning, and deployments to the App Store and Google Play. • Identify and resolve complex technical issues and production bugs. Requirements • Proven experience in mobile application development, including native iOS (Swift) and Android (Kotlin/Java). • Strong understanding of mobile architecture patterns (MVVM, MVP, Clean Architecture). • Experience developing secure, production-grade financial or payment-related applications. • Solid knowledge of mobile security practices (encryption, secure storage, OAuth2, biometrics). • Experience with RESTful APIs, JSON, and backend integration. • Familiarity with CI/CD pipelines, automated testing, and app store deployment processes. • Experience with third-party SDKs (analytics, payments, notifications). • Strong problem-solving skills and ability to work independently on complex features. • Excellent communication and leadership skills. Benefits • Fully remote work with flexible work hours and vacation policy. • A diverse international work environment that promotes inclusivity and collaboration. • Internal mentorship program. • Additional healthcare insurance, loyalty days. • Compensated professional development opportunities, including learning materials and certification exam fees. • Internal events like Reiz Tech Talks and Learning Sessions. • Team-building compensation every quarter. • Participation in local events in Lithuania such as wakeboarding, excursions, and Meet and Eat gatherings. • Ability to change the project you’re working on. • Referral bonuses.