[Hiring] SR. MOBILE DEVELOPER (iOS & ANDROID) @REIZ TECH UAB

Role Description

We are searching for a Senior Mobile Developer on T&M basis 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.

This position is T&M based. 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

• Salary range: €30 - €50 (gross) / hour.
• 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.