We are seeking a highly skilled and motivated Senior API engineer to join our team. The ideal candidate will have experience in design, develop, and maintain robust, well-tested APIs that allow our customers and partners to integrate quickly and securely.
Key responsibilities
• Build microservices and SDKs in Python, Java, or Go as required by each domain.
• Refactor existing APIs to improve performance, maintainability, and developer experience (DX).
• Automate unit, contract, and integration tests (pytest, JUnit, Go testing, Postman/Newman).
• Implement CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI) and deployments on Kubernetes.
• Instrument logs, metrics, and distributed traces (OpenTelemetry, Prometheus, Grafana).
• Take part in code reviews, standards definition, and documentation (Markdown, Swagger-UI).
• Collaborate closely with Frontend, DevOps, and Product Managers to deliver continuous business value.
Qualifications
• English proficiency (C1/C2).
• Bachelor’s degree in computer science, Computer Information Systems or related field or the equivalent in training and experience.
• 5+ years developing production APIs and microservices.
• Hands-on experience in at least two of these languages: Python, Java, Go.
• Strong understanding of HTTP, REST, semantic versioning, error handling, and security (JWT, mTLS).
• Solid experience with relational and NoSQL databases (PostgreSQL, Redis, MongoDB).
• Proven track record of automated testing and high code coverage.
Key competencies
• Quality mindset and continuous-improvement orientation.
• Excellent debugging and troubleshooting skills.
• Teamwork and DevOps mentality.
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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.