IT & Software

Senior Java Backend Architect | Cloud-Native Microservices

Citigroup Inc.

Mississauga · Peel Region · Canada

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Citigroup Inc. is seeking a seasoned Senior Java Back-End Developer to lead end-to-end technical design and delivery of mission-critical systems.

You will own architecture decisions, mentor senior engineers, and partner with product, security, and platform teams to build scalable, reliable, and secure distributed systems. The role emphasizes hands-on development with Java 17+, Spring Boot, REST/GraphQL, and event streaming, along with cloud & platform design across AWS/Azure/GCP and Kubernetes.

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Reference: WJ-4483_1441051 · Posted 08 Nov 2026, 02:10 AM

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