Application Developer – Android POS Integration

This role focuses on finalizing the core software layer for an automated self-service kiosk and interactive terminal network in central Tirana, Albania, operating on Android OS. The successful candidate will be responsible for designing and implementing transaction workflows, hardware communication, and tax compliance processes for a custom kiosk application. The position requires robust integration between Android software, a physical card payment terminal, and the Fature.al cloud API to ensure Albanian Fiskalizimi compliance and secure, real-time service delivery. The project is at a critical stage, with the physical and operational foundation already established, and now requires a developer to power the core transaction pipeline and orchestrate seamless communication between all system components. **Deliverables** - Develop and implement transaction workflows for the kiosk application - Integrate Android software with physical card payment hardware - Establish secure, real-time communication with the Fature.al cloud API - Ensure full compliance with Albanian Fiskalizimi tax regulations - Conduct thorough testing and debugging of all integration points - Provide technical documentation for implemented solutions **Requirements** - Proficiency in Android application development (Java/Kotlin) - Experience integrating hardware peripherals with Android devices - Familiarity with RESTful APIs and cloud-based service integration - Understanding of payment terminal protocols and secure transaction handling - Knowledge of tax compliance workflows, preferably Albanian Fiskalizimi - Strong problem-solving skills and attention to detail - Ability to work independently and deliver within tight deadlines - Based in or able to work in Tirana, Albania preferred **About Twine** Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally. **Our Mission** Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world. Puna remote: Po Burimi: https://al.linkedin.com/jobs/view/application-developer-%E2%80%93-android-pos-integration-at-twine-4434832807

Niveli: mid level