API Software Engineer

Overview

API Software Engineer position at CGI. This description reflects responsibilities, qualifications, and the terms of employment where provided.

Position Description

CGI is looking to hire a Software Engineer, offering a unique opportunity to work on a high-impact project within a collaborative and innovative team. Our team offers:

• Challenging & Engaging Work – Engineers will contribute to a meaningful project that has real-world impact, working with modern technologies and best practices in software development.
• Strong Team Culture – The team fosters a supportive, knowledge-sharing environment where collaboration and professional growth are encouraged. Engineers work closely with experienced peers, gaining valuable mentorship and learning opportunities.
• Agile & Fast-Paced Environment – The team follows Agile principles, promoting iterative development, quick feedback loops, and continuous improvement.
• Tech Stack & Tools – The role involves working with cutting-edge tools and frameworks, offering hands-on experience with cloud-native technologies, automation, and DevOps best practices.
• Flexible Work Environment – The role offers hybrid/remote work flexibility, providing a good work-life balance along with the opportunity to engage with the client on site.
• Career Growth & Learning – Engineers will have opportunities to expand their technical expertise, participate in architectural discussions, and contribute to strategic decisions.
• Stability & Long-Term Opportunity – As part of an established team within a well-respected client, this role offers stability while also allowing for future career progression.

This position requires someone who is local to St. Louis, MO and willing to work hybrid.

Your future duties and responsibilities

• Develop & Maintain Software Solutions – Design, develop, test, and deploy high-quality, scalable, and maintainable software solutions that meet business and technical requirements.
• Participate in Agile Development – Work as part of a cross-functional Scrum team, contributing to sprint planning, daily stand-ups, backlog refinement, sprint reviews, and retrospectives.
• Write Clean, Efficient Code – Follow best practices for coding, ensuring code is well-structured, maintainable, and aligned with team standards.
• Collaborate with Stakeholders – Work closely with product managers, designers, and other engineers to understand requirements and deliver solutions that meet user needs.
• Perform Code Reviews – Conduct peer code reviews, provide constructive feedback, and ensure code quality, security, and performance standards are met.
• Test & Debug Applications – Write unit, integration, and functional tests; troubleshoot issues and optimize system performance.
• Continuous Improvement – Identify and implement improvements to development processes, tooling, and system architecture.
• Follow DevOps & CI/CD Practices – Contribute to build automation, deployment pipelines, and monitoring to improve development efficiency and system reliability.
• Stay Up to Date with Industry Trends – Continuously learn and apply emerging technologies, frameworks, and best practices in software engineering.

Required Qualifications To Be Successful In This Role

• 5+ years of professional software development experience with a focus on API development.
• Proven experience in API development using RESTful and/or GraphQL services, including authentication, security, and performance best practices.
• 5+ years of professional development experience using Java and Spring Boot.
• Hands-on experience with Test-Driven Development (TDD) and writing unit, integration, and end-to-end tests using modern testing frameworks.
• Strong understanding of cloud environments and DevOps practices around CI/CD pipelines (Jenkins/Cloudbees) and containerization (Docker/Kubernetes).

Desired Skills

• Experience with web development skills, such as Angular or React.
• Experience with microservices architecture and event-driven design patterns.
• Familiarity with domain-driven design (DDD) principles.
• Knowledge of observability practices such as logging, tracing, and monitoring (e.g., OpenTelemetry, Prometheus, Grafana).
• Experience contributing to architectural decisions and technical roadmaps.

The application period for this position is through December 5, 2025.

Compensation information: A reasonable estimate of the current range for this role in the U.S. is $88,200 - $214,800. CGI considers various factors in determining compensation and may not hire individuals at or near the top of the range for their role.

Benefits

• 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

Qualified applicants will receive consideration for employment without regard to race, ethnicity, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or gender identity, and other protected characteristics as required by law. 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 with the Position ID. This email address is for accommodations only.

We make it easy to translate military experience and skills. All CGI offers of employment are contingent upon successful completion of a background investigation, which may include a credit check depending on role and government requirements. CGI will consider qualified applicants with arrests and conviction records in accordance with local regulations. CGI will not discriminate against employees or applicants who inquire about pay, except as required by law.

Seniority level

• Entry level

Employment type

• Full-time

Job function

• Engineering and Information Technology
• Industries
• IT Services and IT Consulting

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Location notes: Scott AFB, IL; St Louis, MO etc.