Senior Java Backend Developer to design and develop cloud-native backend solutions on AWS - JP953

S.i. Systems • Toronto, Ontario, Canada • Posted June 12, 2026

Location Toronto, Ontario

Job Type Contract

Category Computer Occupations

Posted June 12, 2026

Our financial services client is seeking a Senior Java Backend Developer (10+ years) to design and develop cloud-native backend solutions on AWS
Duration: Until Dec 31st, (high possibility of extension)
Location: Downtown Toronto (Hybrid, 2 days a week - Monday and floating day)
Hours of Operation: 9 - 5
Role Overview
The Java Backend Developer is responsible for designing, developing, and maintaining scalable, secure, and high-performance backend systems. This role requires deep expertise in Java development and strong experience building cloud-native applications on AWS. The developer will translate business requirements into robust backend services, ensuring alignment with architectural standards, cloud best practices, and enterprise technology strategy.
Must Have Skills:
8+ years of experience in Java backend development
Strong proficiency in Java (core + Spring Boot)
Reactive programming using Java Flux / Project...
            

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