Senior Full Stack Data Engineer

Position Description This position must be performed on-site, hybrid in St. Louis, MO. Join a team responsible for designing and delivering cloud-based applications that support complex business processes and data driven decision making. This role offers the opportunity to own solutions end to end, from stakeholder engagement and requirements gathering through architecture, development, deployment, and production support. You will work across application development, cloud platforms, data engineering, systems integration, and solution architecture. The ideal candidate enjoys solving challenging business problems, building scalable applications, and translating complex requirements into practical technical solutions. This position is best suited for an experienced engineer who is comfortable working across the full technology stack, collaborating directly with business stakeholders, and taking ownership of technical outcomes. While user interfaces are part of the solution, the primary focus is on application functionality, data processing, cloud services, and overall system design. Your future duties and responsibilities Own the full software development lifecycle for enterprise applications from requirements through production deployment. Facilitate requirements gathering sessions and technical workshops with stakeholders. Design and develop cloud native applications using modern application development frameworks and services. Design and implement scalable backend services, APIs, and integrations. Build and maintain data ingestion, transformation, and ETL pipelines. Integrate data from multiple cloud platforms, databases, and enterprise systems. Design and manage relational and NoSQL database solutions. Develop solutions utilizing serverless and containerized architectures. Design and implement workflow orchestration and event driven processing solutions. Define and document application architecture, integration patterns, and technical standards. Configure and support cloud networking components to enable secure and scalable application access. Ensure application reliability, scalability, security, and performance. Partner with cross functional teams to troubleshoot production issues and deliver enhancements. Mentor team members and contribute to engineering best practices. Required Qualifications To Be Successful In This Role 8+ years of software engineering experience delivering enterprise applications. Strong experience developing applications using TypeScript and Node.js. Hands on experience designing and implementing solutions within AWS. Experience with serverless architectures, including AWS Lambda. Experience with containerized workloads and orchestration platforms such as AWS Fargate. Experience developing and supporting ETL and data integration solutions. Strong understanding of cloud networking concepts, including VPC configuration and application connectivity. Experience with relational databases such as PostgreSQL. Experience working with cloud-based data platforms and large datasets. Knowledge of distributed systems, application architecture, and integration patterns. Experience gathering requirements and translating business needs into technical solutions. Demonstrated ownership of applications from design through implementation and support. Desired Skills: Experience leading teams or serving as a technical lead. Experience mentoring engineers and supporting technical growth. Experience with Google Cloud Platform, including BigQuery. Experience with AWS Step Functions, Glue, DynamoDB, and S3. Experience working in complex, highly regulated, or data intensive business environments. Experience across multiple industries or business domains. Experience designing large scale distributed systems. Familiarity with AI assisted development tools and modern software delivery practices. Experience facilitating stakeholder workshops and driving consensus among technical and business teams. Experience with React or other modern web frameworks 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 $88,200.00 - $198,000.00. 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 CGI anticipates accepting resumes through October 30, 2026. 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 US_Employment_Compliance@cgi.com. 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. We make it easy to translate military experience and skills! Click here to be directed to our site that is dedicated to veterans and transitioning service members. 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.