API Developer

API Developer

Position Description
We are Canada's largest independent information technology services firm, and after 45+ years, we're still growing! Join Canada's largest IT Company as a API Developer, in our Financial Services Sector in Toronto.

This role is hybrid and requires you to be at our client's (Toronto Downtown) and/or downtown Toronto office (250 Yonge Street) at a minimum 2 days per week - subject to change at any time.

We are looking for a talented API Developer to design, develop, and maintain scalable APIs and integration services for enterprise applications. The ideal candidate will be responsible for defining API and interface agreements, developing APIs on the OCP CaaS platform, building DevOps pipelines for continuous deployment, and integrating enterprise data services using platforms such as Data Spider and Solace. Experience with Swagger/OpenAPI and code generation (Codegen) tools is essential for API standardization and accelerated development.

Your future duties and responsibilities
• Design and define API specifications and interface agreements using Swagger/OpenAPI standards.
• Develop and deploy APIs and APIF solutions on the OpenShift Container Platform (OCP) CaaS environment.
• Utilize Codegen tools to generate API stubs, client SDKs, and service interfaces for faster development and consistency.
• Build, maintain, and optimize DevOps pipelines to support continuous integration and continuous deployment (CI/CD).
• Collaborate with Application Operations (AO) teams to ensure smooth deployment, monitoring, and operational support.
• Integrate enterprise applications and services using Data Spider and Solace messaging/data platforms.
• Develop secure, scalable, and high-performance RESTful APIs and microservices.
• Implement API versioning, authentication, authorization, and governance standards.
• Create and maintain API documentation using Swagger/OpenAPI tools.
• Troubleshoot and resolve API performance, connectivity, and deployment issues.
• Prepare and maintain technical documentation for APIs, integrations, and deployment processes.
• Participate in architecture discussions and contribute to integration best practices.

Required qualifications to be successful in this role
• Strong experience in API development and enterprise integration solutions.
• Hands-on experience with RESTful APIs, microservices architecture, and API management.
• Proficiency with Swagger/OpenAPI specification and API documentation practices.
• Experience using Codegen/OpenAPI Generator/Swagger Codegen tools for API and client code generation.
• Experience working with OpenShift Container Platform (OCP) or containerized environments.
• Proficiency in Java, Spring Boot, Node.js, or similar API development technologies.
• Knowledge of DevOps practices, CI/CD pipelines, and deployment automation tools.
• Experience integrating with Data Spider and Solace platforms for messaging and data services.
• Familiarity with containerization technologies such as Docker and Kubernetes.
• Understanding of API security standards including OAuth2, JWT, and SSL/TLS.
• Strong debugging, troubleshooting, and performance optimization skills.

Preferred Qualifications
• Experience with cloud-native application development.
• Exposure to enterprise middleware and integration platforms.
• Knowledge of Agile/Scrum development methodologies.
• Experience with monitoring and logging tools in containerized environments.
• Relevant API, OpenShift, or cloud platform certifications are an advantage.

Education & Experience
• Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.
• 3+ years of experience in API development and enterprise integration.

**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.

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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.