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Senior Java Backend Developer

Iris Software Inc.

toronto, on, Canada Full-time June 27, 2026

Opportunity Description

Iris's Fortune 100 direct client is looking for Senior Java Backend Developer.

Key Responsibilities:

  • Design and develop robust backend services using Java and Spring Boot framework
  • Implement functional programming concepts (Streams, Lambdas, immutability) to build clean and efficient code
  • Build and maintain event-driven systems using Apache Kafka and MQ (Message Queues)
  • Develop RESTful APIs and microservices for scalable distributed systems
  • Integrate backend services with MongoDB and ensure optimal data modeling and performance
  • Collaborate with cross-functional teams including frontend, DevOps, and QA
  • Ensure code quality through unit testing, code reviews, and best practices
  • Optimize application performance, reliability, and scalability
  • Troubleshoot production issues and provide timely resolutions
  • Participate in system design discussions and contribute to architectura...
Full-time Other-General

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