Senior Android Developer

Form of cooperation: B2B contract Rate (B2B PLN net + VAT/h): 135-170 Mode: remote We are looking for a person with the profile of a Senior Android Developer who has at least 5 years of commercial experience. Leading technology stack: Android, POS, Kotlin, Java, Jetpack, Compose, Coroutines/Flow, REST API, IPC/AIDL, CI/CD, Git, SDK The project we will be ready to offer you concerns the development and maintenance of Android applications operating on specialized payment terminals used for cashless transactions. The solutions support a global payment acceptance ecosystem, ensuring secure, efficient, and reliable transaction processing for banks, acquiring agents, merchants, and fintech partners. The team is responsible for developing new functionalities, integrating applications with payment services and hardware components of devices, as well as ensuring high quality, performance, and stability of the solutions. The project is carried out in an international environment. Potential project tasks: designing, developing, and maintaining scalable Android applications. Close cooperation with product and design teams in the area of solution architecture creation. Requirements: Min. 5 years of experience in Android programming (corporate, POS, embedded, or hardware-integrated environments preferred) Good knowledge of Kotlin (Java will be an additional asset) Experience with Jetpack, Compose, and Coroutines/Flow Experience with REST API, SDK integrations, and IPC/AIDL Knowledge of CI/CD, Git Knowledge of English at B2/C1 level Nice to have: Knowledge of payment terminal development The entire cooperation and onboarding process is conducted remotely. The cooperation process consists of: a phone call (up to 30 min) a remote video call - technical and business verification with our specialist (60-90 min) a remote meeting with the project Product Owner (30-60 min) Primaris Services is over 250 experts on board and 15 years of experience in the IT industry in the Polish and foreign markets. We implement ambitious projects of high complexity from various areas - including banking, insurance, healthcare, robotization, energy, media (we have over 40 active clients). We are growing stronger and constantly expanding our portfolio of both our services and clients. Our scope of activity includes building systems from scratch, their development and maintenance, product implementations, allocation of entire Teams, as well as individual Experts within the Client's structures. Additionally, for several years, we have been very actively operating as a Gold Partner of UiPath (Robotic Process Automation area), building robots and selling licenses to our Clients. Every month we establish cooperation with 7 new people. We believe that passionate people are the key to our common success! That is why we are constantly looking for new, talented people to join our team.