API Backend Engineer

Strong proficiency in one or more backend languages / frameworks , e.g. :

Node.js (Express, Nest.js)

Python (Django, FastAPI, Flask)

Java (Spring Boot)

Go, .NET, or Ruby on Rails

Solid understanding of RESTful API or GraphQL design principles.

Experience with databases (SQL and NoSQL : PostgreSQL, MySQL, MongoDB, Redis, etc.).

Knowledge of authentication / authorization (OAuth 2.0, JWT, OpenID Connect).

Familiarity with CI / CD pipelines , Docker , and cloud platforms (AWS, GCP, Azure).

Understanding of version control (Git) and agile development practices.