Senior Java DeveloperS.i. Systems • Montreal

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Senior Java Developer

S.i. Systems • Montreal

8 days ago

Job type

Temporary

Job description

Initial 12-month contract (% Remote EST) with strong possibility of extension. 7.5 hours per day, Monday to Friday.

Responsibilities :

Design, develop, and maintain open-source integrations using Spring and Spring Integration, replacing existing MuleSoft-based integrations
Build and establish reusable integration frameworks and backend flows to support a large pipeline of upcoming integrations
Collaborate with a small development team to deliver secure, scalable integration solutions within a COTS application ecosystem (no development within the COTS platform itself)
Provide technical leadership and mentorship to two developers, acting as the senior Java resource on the team (~80% hands-on development / ~20% coaching)
Troubleshoot and optimize integration services, ensuring reliability and performance across operational platforms
Work closely with stakeholders to understand integration requirements and rapidly deliver production-ready solutions
Contribute to operational readiness, deployment, and ongoing support of integration services

Must Have Skills :

5+ years of hands-on Java development experience, with strong expertise in Spring, Spring Boot , and Spring Integration

Demonstrated experience designing and building API or system integrations within distributed environments

Experience building or maintaining reports using Jasper Reports

Strong understanding of modern Spring ecosystem components and ability to quickly troubleshoot and resolve technical issues

Experience building backend services, frameworks, and integration flows in enterprise environments

Proven ability to work independently as a senior technical resource and guide less experienced developers

Experience deploying and supporting applications in cloud-native or containerized environments

Strong problem-solving skills with the ability to hit the ground running in a fast-moving integration program

Nice-to-have Skills :

Experience migrating or re-platforming integrations away from MuleSoft or other ESB / iPaaS solutions

Exposure to OpenShift administration or supporting containerized deployments

Previous experience working with COTS-based enterprise platforms where integrations are built externally

Familiarity with Agile / Scrum delivery environments

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Senior Java Developer • Montreal

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