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Job roles:What will you do?Design, develop, implement, and maintain technical solutions supporting legacy and modern .
NET applications hosted on Windows 10/11, Windows Server, and cloud/container platforms, including desktop application components.
Analyze existing applications and recommend opportunities for modernization, technical debt reduction, code optimization, and increased automation.
Troubleshoot application issues, perform root cause analysis, remediate vulnerabilities, and refactor legacy code to improve application stability and maintainability.
Develop and support integrations between applications using REST/SOAP APIs, HTTP-based services, XML, and other enterprise integration mechanisms.
Document application design, technical changes, configurations, troubleshooting procedures, and implementation updates.
Work cross-functionally with business partners, Agile squads, infrastructure teams, and Site Reliability Engineering (SRE) teams to prioritize and successfully deliver project and operational work.
Participate in code reviews, testing, deployment, production support, and continuous improvement activities.
Communicate and interact frequently with business and technology partners located across Canada and globally.
What do you need to succeed?Must-haveMinimum 5+ years of hands-on software development experience using the Microsoft .
NET technology stack, including development, implementation, maintenance,



and support of enterprise applications.
Solid experience with C#, .
NET / .
NET Core, and Microsoft development technologies.
Experience developing and supporting front-end, back-end, desktop, Windows-hosted, and cloud/container-hosted application components, including OpenShift environments.
Strong understanding of object-oriented programming, application design principles, and enterprise software development practices.
Experience with security authentication and authorization mechanisms, including OAuth, Active Directory, application certificates, and related security technologies.
Strong experience with HTTP, SOAP, REST APIs, and web services supporting rich-client and cloud-based applications.
Understanding of XML structures and data layouts to facilitate data exchange and integration between platforms.
Hands-on experience in application troubleshooting, debugging, root cause analysis, vulnerability remediation, and refactoring of legacy code.
Experience working with source control, build/deployment processes, and CI/CD practices.
Ability to work effectively across Agile development teams, business stakeholders, SRE, and other technology teams.
Strong analytical, problem-solving, documentation, and communication skills.
Nice-to-have / Secondary SkillsExperience or working knowledge of Java and the Spring ecosystem is an asset.
Familiarity with Java, Spring Boot, Spring MVC, and Java-based REST APIs/microservices.




Experience troubleshooting, supporting, or making enhancements to Java/Spring Boot applications is preferred.
Familiarity with Java development tools and frameworks such as Maven/Gradle, JUnit, JPA/Hibernate, or equivalent technologies would be beneficial.
Experience working within an enterprise application landscape containing a combination of .
NET and Java-based applications.
Exposure to microservices and containerized applications using OpenShift/Kubernetes would be an asset.
Experience within banking, financial services, or another large enterprise technology environment would be beneficial.
The base compensation range for this role in the posted location is: 80,000 to 95,652Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.
The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.
These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.
It is not typical for candidates to be hired at or near the top of the posted compensation range.
In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depend

📌 Sr. .Net developer (Montreal)
🏢 Capgemini
📍 Montreal