Senior/Lead Java Developer – Payment Systems

🚀 Hiring: Senior/Lead Java Developer – Payment Systems 💳☕ 📍 Toronto, Canada – Hybrid/Onsite 💼 Experience: 10–15 Years Must be authorized to work in Canada Looking for a seasoned Java engineer with strong experience in high-throughput, concurrent, transactional payment systems. 🔹 Core Java 17 & Concurrency Utilities 🔹 Multithreading, JMM, synchronization & deadlocks 🔹 Spring Boot / Spring Framework 🔹 High-volume Payments / Banking / Trading / E-commerce 🔹 Strong SQL & RDBMS – PostgreSQL/Oracle/MySQL 🔹 REST APIs & payment integrations 🔹 Kafka at scale – partitioning, consumer scaling & exactly-once delivery 🔹 5+ years in high-concurrency/financial systems preferred 📩 Interested? Please share your updated resume with contact details. 🤝 Not interested? Please refer someone from your network—we have multiple opportunities available!