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Urgent! Senior API Engineer Position in málaga - CGI

Senior API Engineer



Job description

Position Description :

We are seeking a highly skilled and motivated Senior API engineer to join our team.

The ideal candidate will have experience in designing, developing, and maintaining robust, well-tested APIs that enable 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 deploy on Kubernetes.

  • Instrument logs, metrics, and distributed traces (OpenTelemetry, Prometheus, Grafana).

  • Participate in code reviews, define standards, and document (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 equivalent 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 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.

LI-CH3

Skills :

  • English
  • Java
  • Jenkins
  • Microservices
  • Python
  • Spanish
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