Mobile Developer

Job Information

• Industry Financial Sector
• Date Opened 10/06/2025
• Job Type Full time
• Remote Job

Job Description

This is a remote position.

We are looking for an experienced Mobile Developer (Android + SDK Integration) to join a long-term project in the payments sector. The role focuses on developing Android applications and SDKs for payment terminals, integrating third-party vendor solutions, and applying Clean Architecture, SOLID principles, and strong testing practices in a high-compliance fintech environment.

Responsibilities:

• Develop Android applications and SDKs for payment terminals

• Integrate third-party SDKs from major terminal vendors (Pax, Ingenico, Verifone, Sunmi, Castle)

• Build responsive UIs with Jetpack Compose across varied screen sizes

• Set up and maintain CI/CD pipelines (GitHub Actions)

• Deliver internal SDKs for use across the product ecosystem

• Apply Clean/Hexagonal Architecture, SOLID principles, and design patterns

• Write unit tests and automated end-to-end test suites

• Collaborate with developers, analysts, and French stakeholders in Agile teams

Requirements

• 4+ years of commercial experience in Android development

• Strong proficiency with Kotlin (Java also accepted) and Jetpack Compose

• Experience with SDK integration (ideally in payments/fintech)

• Familiarity with Clean Architecture and SOLID principles

• CI/CD setup experience (GitHub Actions or similar)

• Testing mindset with unit and E2E automation experience

• English fluency (C1), French language a plus

Nice to have

• Experience in payments or fintech systems

• Knowledge of payment terminal providers (Pax, Ingenico, Verifone, Sunmi, Castle)

• Prior experience building SDKs for internal or external developer use

• Familiarity with mobile application security in financial services

Benefits

• Solid, competitive salary
• Work in multilingual, multinational and multicultural environment on international projects
• Comprehensive healthcare
• Long-term B2B contract with stable project pipeline
• Remote working model (with possible trips to France for onboarding or workshops)