Senior
Location: Toronto, ON / Montreal, QC Preferred Languages: Bilingual (English / French) Preferred Employment Type: Full-Time, Permanent
CGI is seeking an experienced Senior Full Stack Developer to join our growing Software Engineering Practice within the Emerging Technologies team.
As a full-time member of CGI, you will join a collaborative team of architects, developers, and consultants delivering modern enterprise technology solutions for leading public and private sector organizations across Canada. You will help clients design, build, modernize, and scale custom end-to-end applications—spanning intuitive user interfaces, robust microservices, data integrations, cloud-native deployments, and cutting-edge AI capabilities.
Rather than specializing strictly in a single layer or static tech stack, you will leverage sound engineering fundamentals to deliver scalable, secure, and resilient applications across a variety of industries, languages, and client environments.
Full-Stack Software Engineering
Software Delivery & Automation
Cloud Native & Platform Engineering
Data Engineering & Event Streaming
Observability & Security
Emerging Technologies & AI Integration
Consulting & Team Leadership
Engineering Experience
Professional Experience: Demonstrated track record of designing, building, and supporting custom enterprise applications across frontend and backend domains.
Architectural Knowledge: Deep understanding of modern software architecture principles (Microservices, Event-Driven Architecture, Domain-Driven Design, RESTful services).
Adaptability: Proven ability to quickly learn and adapt to new programming languages, frameworks, and cloud services depending on client engagement requirements.
Technologies We Commonly Work With
Depending on client engagements and project needs, you will work with technologies such as:
| Category | Representative Technologies & Frameworks | | :--------------------- | :------------------------------------------------------------------------------------------------------------------------------------------------------ | | Frontend | JavaScript, TypeScript, React, Angular, Vue.js, HTML5/CSS3 | | Backend | Java 17+ (Spring Boot, Spring Security, Hibernate) OR C# / .NET 8 (ASP.NET Core, EF Core) OR Node.js (NestJS, Express) / Python (FastAPI, Django) / Go |
| APIs & Integration | REST, GraphQL, gRPC, OpenAPI/Swagger, API Gateways (e.g., Apigee), OAuth2, OIDC | | Cloud & DevOps | Azure, AWS, GCP, Docker, Kubernetes (AKS / GKE / OpenShift), Terraform, Bicep, GitHub Actions, Azure DevOps, Jenkins | | Databases & Data | PostgreSQL, SQL Server, Oracle, MongoDB, Redis, CosmosDB, Apache Kafka, RabbitMQ | | Testing & Quality | JUnit, xUnit, Jest, Cypress, Playwright, SonarQube, TDD/BDD | | Observability | Datadog, Splunk, Dynatrace, ELK Stack, Grafana, Prometheus, Azure Application Insights |
(Note: Candidates are not expected to have expertise in all listed technologies, but rather deep expertise in one or more core areas along with a strong willingness and ability to adapt.)
Professional & Consulting Skills
Strong analytical, problem-solving, and debugging skills.
Excellent verbal and written communication skills (English required; French is a strong asset).
Ability to present complex technical ideas clearly to both business leaders and technical teams.
Strong collaborative mindset with experience working in Agile/Scrum delivery teams.
Nice-to-Have Assets
Experience with any of the following is considered an asset:
Integrating Large Language Models (LLMs) and RAG using frameworks like LangChain, Semantic Kernel, or Spring AI.
Platform engineering tools, internal developer portals (e.g., Backstage), or Infrastructure as Code (Terraform, Bicep).
Cloud data platforms (e.g., Snowflake, Databricks, Azure Data Factory).
Industry domain knowledge in Financial Services, Insurance, Public Sector, Healthcare, Telecommunications, or Utilities.
Why Join CGI?
At CGI, you will join an inclusive, collaborative community of software engineers and architects driving enterprise digital transformation.
As a permanent member of CGI's Software Engineering Practice, you will enjoy:
Diverse Projects: Work on high-impact projects across different industries without changing employers.
Career Development: Structured career growth paths into Lead Developer, Software Architect, Principal Architect, or Technical Practice Leadership roles.
Continuous Learning: Access to enterprise learning subscriptions, certifications, innovation labs, and emerging technology communities.
Collaborative Culture: Work alongside passionate engineers who value quality, continuous improvement, and knowledge sharing.
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 a future opportunity.
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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.
That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.
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.
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