SR. MOBILE DEVELOPER (iOS & ANDROID) - T&M

ABOUT REIZ TECH

Reiz Tech is more than just an IT company. We are a trusted end-to-end IT advisor throughout clients’ business lifecycle. We have a growing global presence in more than 30 countries and regions, united to deliver end-to-end IT solutions. Our talents work together remotely, and low leadership levels are decentralized for better communication, decision-making, and flexibility.

ABOUT THE PROJECT

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.

WHAT WE OFFER

• 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.

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Originally posted on Himalayas