The Proxy Integration Lead provides hands on technical leadership for the proxy/facade capability that enables coexistence between legacy and target platforms during migration.

This role is responsible for interface routing, environment configuration, migration validation support, and coordination with architecture, engineering, and DevOps teams to ensure controlled transition and cutover.

This role is part of an AI first software engineering organization where Artificial Intelligence is integrated throughout the software development lifecycle. Candidates must demonstrate practical experience leveraging AI to improve productivity, quality, and delivery outcomes using modern AI assisted development practices.

Your future duties and responsibilities

.Design, build, configure, and maintain the enterprise proxy or facade capability that supports coexistence between legacy and target platforms.
.Lead the technical approach for routing, interface mediation, environment configuration, and end to end connectivity during migration.
.Work with solution architects, integration engineers, and DevOps teams to ensure the proxy layer supports validation and cutover objectives.
.Troubleshoot complex integration and routing issues across environments, interfaces, and operational conditions.
.Develop reusable configuration standards, deployment procedures, and support runbooks for the proxy capability.
.Support migration waves, parallel run validation, and controlled switching between legacy and new endpoints.
.Promote AI assisted engineering practices and BMAD to accelerate delivery and maintain quality.
.Document architecture decisions, operational procedures, and interface dependencies for the migration workstream.

Required qualifications to be successful in this role

.8+ years of experience in enterprise integration, middleware, or systems engineering roles.
.Hands on experience designing and operating proxy, facade, or routing solutions for complex enterprise systems.




.Experience with environment configuration, interface management, and migration support activities.
.Strong knowledge of APIs, messaging, distributed systems, and legacy interoperability patterns.
.Experience troubleshooting connectivity, routing, and integration issues across multiple environments.
.Experience with cloud native platforms, with Microsoft Azure preferred.
.Demonstrated experience working within AI enabled Software Development Lifecycle (AI SDLC) environments.
.Experience using the Business Model Assisted Development (BMAD) framework or a comparable AI native software delivery methodology.
.Experience with DevSecOps, CI/CD, and deployment automation.
.Strong analytical, troubleshooting, and communication skills.

Preferred Qualifications
.Telecommunications industry experience.
.Experience supporting migration or transition programs with coexistence requirements.
.Experience with container platforms, Kubernetes, and cloud networking.
.Experience with API gateways or integration platforms.
.Experience in highly available, mission critical environments.
.Experience leveraging AI assisted engineering tools to improve integration quality and delivery efficiency.

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 creative 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.

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

📌 Technical Lead – Proxy Integration & Migration (Toronto)
🏢 CGI
📍 Toronto