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Senior Software Developer - .Net and Java

CGI • Full-time • Toronto, Ontario, Canada • 17h ago

Senior Software Developer - .Net and Java

Position Description
This role is hybrid and requires you to be at our Client office at a minimum 4 days per week - subject to change at any time.

Your future duties and responsibilities
Application Development & Architecture
• Design, develop, and maintain end to end full stack applications across front end, back end, and cloud/Windows hosted environments.
• Build scalable microservices using Java, Spring, and cloud native frameworks.
• Develop and support .NET applications hosted on Windows servers and cloud platforms such as OpenShift.
• Contribute to solution architecture and participate in technical design discussions to ensure alignment with enterprise standards.
Systems Integration & API Development
• Develop and maintain REST, SOAP, and HTTP-based integrations that support secure and high performance data exchange.
• Work with XML structures, schemas, and data mappings for cross platform data movement.
• Collaborate with teams to implement API gateways and integrations using tools such as Apigee and Kafka.
Cloud & DevOps Implementation
• Implement CI/CD automation pipelines using GitHub Actions, Jenkins, UCD, Ansible, or similar dev ops tooling.
• Deploy applications through cloud-based and desktop pipelines while supporting release management processes.
• Monitor, troubleshoot, and optimize systems using tools such as Splunk, Dynatrace, Kibana, and Elastic.
Security & Compliance
• Implement secure development practices, including OAuth, Active Directory, certificate management, and secure API authentication.
• Address vulnerability findings, perform code refactoring, and ensure adherence to security standards and compliance guidelines.
• Participate in audit and risk remediation activities when required.
Troubleshooting & Production Support
• Perform root cause analysis for production issues, including environment-specific incidents, integration failures, and performance bottlenecks.
• Optimize SQL queries, APIs, and application components to ensure high availability and system performance.
• Provide on-call or rotational support as needed to ensure system stability.
Collaboration & Continuous Improvement
• Work closely with cross-functional teams including product, QA, architecture, and infrastructure to deliver high-quality solutions.
• Participate in Agile ceremonies, sprint planning, refinement sessions, and backlog prioritization.
• Contribute to continuous improvement initiatives, coding standards, documentation practices, and engineering best practices.

Required qualifications to be successful in this role
• 5+ years of full stack web application development experience, including designing, creating, and maintaining production grade components across front end, back end, and cloud/Windows hosted environments.
• 3–5 years of hands on Java/Spring/Cloud development experience, including building and maintaining microservices architectures.
• 5+ years of .NET development experience using the .NET technology stack to develop and maintain applications hosted on Windows and cloud platforms (e.g., OpenShift).
• Strong technical experience with modern development tools and platforms such as GitHub, Kafka, Apigee, OpenShift, GitHub Actions, UCD, and related CI/CD ecosystems.
• Security expertise, including OAuth, Active Directory, application certificates, and other authentication/authorization mechanisms.
• Strong understanding and practical experience with HTTP, SOAP, and REST protocols for rich and cloud based application development.
• Experience working with XML structures and data layouts to enable data movement across platforms.
• Hands on experience in troubleshooting, root cause analysis, refactoring legacy code, and addressing vulnerability fixes.
• Solid knowledge of SQL query optimization, performance tuning, and troubleshooting.
• Experience in change and release management, deploying applications to production through both desktop and cloud based pipelines.
• DevOps experience using tools such as Dynatrace, Splunk, Jenkins, Kibana, Elastic, Ansible, and UCD, with the ability to configure CI/CD pipelines, automate deployments, and monitor failures.

"CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes factors such as skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions depend on the facts and circumstances of each case. A reasonable estimate of the current range is $95,000–$145,000. This role is an existing vacancy."

#LI-GS!

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer, being able to perform your best during the recruitment process is important to us. If you require an accommodation, please inform your recruiter.

To learn more about accessibility at CGI, contact us via email. Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our team—one of the largest IT and business consulting services firms in the world.