Senior Android Developer

Quick Facts

• Role: Senior Android Developer
• Level: Senior
• Sector: Banking / FinTech
• Collaboration: B2B contract
• Work model: Remote with occasional travel to Warsaw for onboarding and equipment return
• Timeline: From early November 2026 (possible shift by 1–2 weeks) to Feb/Mar 2027
• Languages: Polish and English (documentation reading and technical discussions)

Description

You will build and implement SoftPOS/Tap to Pay functionality on the Android platform, enabling contactless payments directly on a smartphone—without external terminals or additional apps.

The role focuses on Kotlin development, integration with external payment/security components, writing automated tests, and supporting secure deployments aligned with high banking standards.

Responsibilities

• Design and implement new features in Kotlin for the contactless payments module
• Modify and maintain existing code in Java and integrate external components
• Create unit, integration, and automated tests to ensure reliability
• Support implementation activities, CI/CD processes, and ongoing monitoring/resolution of technical incidents

Requirements

• Minimum 5 years of commercial Android development experience at a senior level
• Very strong Kotlin knowledge
• Ability to read and modify Java code
• Deep understanding of Android architecture and platform specifics
• Knowledge of Continuous Integration and practical experience with CI
• Hands-on ability to write unit and integration tests

Benefits

• B2B contract
• Remote work with occasional onboarding trips to Warsaw
• Hourly rate: 100–120 PLN/h net + VAT