Senior Android Mobile Developer

We are looking for an experienced Senior Android Mobile Developer to join a project for a world-leading payment technology company. You will work on advanced Android tools within a Token ID ecosystem, contributing to high-impact mobile applications used globally. 🔧 Project Overview The project focuses on Token ID Android Tools development, including multiple mobile applications supporting secure payment solutions. 📍 Location & Work Model • Location: Warsaw or Gdansk • Work Mode: Hybrid (1-2 days hybrid from the office) ⏳ Contract Details • Contract Type: B2B (details to be shared) • Daily Rate: 1.100 PLN/day – 1.300 PLN/day 👤 Experience • Minimum 7+ years of professional experience   🛠 Mandatory Skills Please ensure your CV clearly reflects hands-on experience with the following: • Android Development • Java 21 • Spring Boot • REST APIs & Web Services • SQL • Kubernetes (k8s) • Docker • Jenkins • IntelliJ • Claude Code • GenAI   📱 Responsibilities • Develop and maintain new features for Android test tools and their backend components • Design, develop, and enhance Android-based tool applications within the Token ID ecosystem • Work on the following engagement components:• Issuer Mobile Application • TR Mobile Application • Terminal Mobile Application • Demo Wallet • Ensure high-quality, scalable, and well-performing code • Optimize performance and ensure seamless backend integration • Collaborate with cross-functional teams across the full SDLC • Debug, troubleshoot, and continuously improve applications 🚀 Join us and be part of a cutting-edge project for a global payment technology leader, where your work will directly impact secure, large-scale mobile solutions used worldwide.If you’re ready to take on a challenging Android role and work with modern technologies - we’d love to hear from you!