Senior/Lead Full-Stack AI Engineer

Position Description

CGI is one of the world’s largest IT and business consulting services firms, helping clients achieve meaningful outcomes through technology, innovation, and industry expertise. Our professionals work collaboratively across teams and geographies to solve complex challenges and deliver solutions that create lasting value for our clients.

CGI is seeking a Senior/Lead Full Stack AI Engineer to join our dynamic team and help design, build, and scale AI-powered applications and platform capabilities. In this role, you will work across the full technology stack—from Python backend development and API construction to large language model (LLM) inference, machine learning, data pipelines, Angular frontend development, and cloud-native deployment. You will combine machine learning expertise, strong software engineering practices, and system design knowledge to deliver intelligent, production-ready solutions that solve real-world business challenges.

As a senior technical contributor and team leader, you will lead the development of key features and client use cases, provide technical direction, mentor junior team members, and help keep delivery on track. This role can be based in any CGI office in the U.S., with Knoxville, Tennessee as the preferred location.

Your future duties and responsibilities

• Lead the design, development, and deployment of end-to-end full stack capabilities for CGI’s AI Platform, including data pipelines, model training and inference, APIs, backend services, and user-facing applications
• Build and maintain scalable, efficient, secure, and production-ready backend systems using Python
• Train, fine-tune, evaluate, and perform inference with machine learning and Generative AI models to support enterprise use cases
• Integrate AI and LLM capabilities into production-grade applications with a focus on latency, performance, security, reliability, and scalability
• Partner with product managers, data scientists, UI/UX designers, engineers, and other stakeholders to design and deliver high-impact features and customer solutions
• Deploy and operate applications using CI/CD practices, containerization, Kubernetes, and cloud platforms
• Design, manage, and optimize relational and non-relational databases for performance, scalability, and reliability
• Lead technical design and implementation of system integrations while monitoring and continuously improving production systems
• Translate customer challenges into technical use cases and solutions using CGI’s AI Platform
• Mentor junior team members, provide technical leadership, and lead or support a small Scrum team to maintain quality and delivery commitments

Required Qualifications To Be Successful In This Role

• Bachelor’s or master’s degree in Computer Science, Artificial Intelligence, Engineering, or a related field, or equivalent relevant experience
• 5+ years of full stack software development experience, including significant hands-on expertise with Python backend development and Angular frontend development
• 2+ years of hands-on experience building products or solutions leveraging Generative AI, NLP, document classification, chatbots, OCR, or related AI capabilities
• Hands-on experience with NLP libraries, machine learning frameworks, LLMs, model inference, model training, and/or fine-tuning techniques
• Strong understanding of Kubernetes concepts and experience deploying and managing containerized applications in production environments
• Proficiency with relational and non-relational databases, including database design, performance optimization, and reliability practices
• Experience with cloud platforms such as Microsoft Azure or Google Cloud Platform (GCP) for deploying and scaling AI-enabled applications
• Strong software engineering and system design skills with demonstrated ownership and accountability for delivering production-ready systems in fast-paced environments
• Strong problem-solving capabilities and the ability to evaluate and adapt to rapidly evolving AI technologies
• Effective communication and leadership skills, including the ability to collaborate across functional teams and explain complex technical concepts to non-technical stakeholders

Desired Qualifications / Strongly Preferred

• Experience leading a small Agile or Scrum development team and maintaining delivery against commitments
• Experience designing and operating enterprise-grade AI platforms or reusable AI services
• Knowledge of data privacy regulations, security best practices, responsible AI principles, and ethical considerations related to AI development
• Experience implementing CI/CD pipelines and production observability for AI-enabled applications
• Demonstrated ability to mentor engineers and provide technical direction across full stack and AI development initiatives

Other Information:

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $100,800.00 $176,300.00.

CGI's benefits are offered to eligible professionals on their first day of employment to include:

• Competitive compensation
• Comprehensive insurance options
• Matching contributions through the 401(k) plan and the share purchase plan
• Paid time off for vacation, holidays, and sick time
• Paid parental leave
• Learning opportunities and tuition assistance
• Wellness and Well being programs

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.

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

Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.

CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at [email protected]. You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.

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All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.