Senior/Lead Java Developer – Payment Systems
Summary
Lead the design and development of high-throughput, transactional payment systems using Java 17, Spring Boot, and Kafka in a fintech environment.
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!