Senior Software Engineer - GoLang and Python

Senior Software Engineer - GoLang and Python

Position Description
We are seeking a highly skilled Senior Software Engineer to join our dynamic data team. In this role, you will play a pivotal part in helping shape and drive technical strategy across key business areas, leveraging your deep technical expertise and domain knowledge to collaborate effectively across teams. You will contribute to the execution of long term strategic initiatives, bringing a forward thinking mindset and a proactive approach to problem solving.

We are seeking candidates located in St. Louis, MO ideally. We will consider candidates located in the states of Missouri, Minnesota, Nebraska, Iowa and Kansas.

Your future duties and responsibilities
As a trusted technical leader, you will help deliver scalable data solutions that strengthen the client's global technology capabilities and support the evolving needs of the business.

Additionally, you will be expected to champion the adoption of AI technologies and context aware systems, utilizing frameworks like the Model Context Protocol (MCP) to bridge the gap between enterprise data and intelligent agentic workflows.

Author high quality Golang and Python code to deliver new features, evolve existing services and resolve defects.

Required qualifications to be successful in this role
• Demonstrated extensive experience with Python and GoLang (Go)
• Familiarity with API design principles (REST, gRPC) and API gateway technologies;
• Deep knowledge and demonstrated experience with Google Kubernetes Engine and Google Cloud Platform;
• Knowledge of key architectural patterns, such as microservices and event driven architecture, with a deep understanding of their related trade offs;
• Strong knowledge of best practices for Continuous Integration and Continuous Deployment (CI/CD);
• Strong understanding of DevOps best practices;
• Familiarity with data architecture and modeling concepts and paradigms;
• Familiarity with Observability concepts, such as Service Level Objectives (SLOs) and Service Level Indicators (SLIs), and related tooling (e.g., Datadog, OpenTelemetry, etc.);
• Demonstrated experience as a productive reviewer of code, with an ability to coach others on the differentiation of style and correctness;
• Demonstrated experience with relational databases and declarative query languages such as SQL (e.g., Oracle, Postgres, etc.);
• Experience with the git version control system and related tools such as GitHub or GitLab;
• Significant experience with Infrastructure as Code (IaC) tooling (e.g. Terraform, etc.);
• Familiarity with the publish/subscribe models and supporting technologies (e.g., Apache Kafka, Google Pubsub, AWS SNS/SQS, etc.);
• Proven experience in designing, building and running large scale systems
• Demonstrated experience or strong familiarity with integrating Artificial Intelligence (AI) capabilities into software systems, including utilizing the Model Context Protocol (MCP) to expose data sources and internal tools to GenAI models.

Desired Qualifications
• Demonstrated experience migrating Python codebases to Go
• Strong understanding of cloud native security best practices;
• Direct experience implementing service meshes (e.g., Istio) in Kubernetes environments;
• Strong understanding of Kubernetes architecture and concepts with direct experience deploying software using the Kubernetes control plane;
• A demonstrated understanding of Machine Learning and Generative AI concepts, including hands on experience building MCP servers, custom LLM integrations, or agentic frameworks; Design and implement MCP servers exposing domain data and APIs Define schemas / contracts for tooling and data contexts optimize latency, reliability, and security of MCP interactions

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 $156,700.00.

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 July 31, 2026.

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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.

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 View email address on us.fitly.work . 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.