Java Developer - Smart POS & Digital Payments

General information
Reference: 172326
Location: Limerick (fully onsite)
Start: 17.03.2025 (ASAP)
Volume: Full time
Duration: 31.12.2025 + Option
Languages: English

Tasks:

• POS Terminal Development & Card Payment Integration - Contactless, mobile, and chip-card transactions
• Digital Payment Processing - Expertise in Apple Pay, Google Pay, NFC & QR code transactions
• Omnichannel Payment Solutions - Development for retail POS, E-commerce, and mobile platforms
• Security & Compliance - Implementation of PCI DSS, PSD2, Tokenization, and encryption standards
• Custom API & SDK Development - Tailored Java-based solutions for seamless integration into POS systems, mobile apps, and E-commerce platforms

Tech Stack - Java as Core Language

• Programming Languages: Java (main), Kotlin, Swift, JavaScript, TypeScript, Python
• Java Frameworks: Spring Boot, Quarkus, Jakarta EE, Micronaut
• Mobile Development: Android (Java/Kotlin), Flutter
• Cloud & Infrastructure: AWS, Google Cloud, Microsoft Azure, Docker, Kubernetes
• Payment Technologies: EMV, NFC, Tokenization, PCI DSS Compliance, HSM Integration
• APIs & Integrations: REST, GraphQL, WebSockets, ISO 8583 (financial transactions)
• Databases: PostgreSQL, MySQL, MongoDB, Firebase