ONLY CANADIAN CITIZENS
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!
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