API Developer

Rhox; Elsene; Sur place; EUR 70 000 - 110 000; Plein temps

Résumé du poste

Rhox is seeking a senior API developer to build a compatible replacement using Python and FastAPI. You will expose database metadata and validate submissions for existing Python loading code, delivering production-quality code, documentation and a summary of gaps and steps towards production.

Responsibilities include defining scope from API docs, building metadata endpoints, implementing submission endpoints with validation, implementing authentication, writing tests, and deploying on Ubuntu

Qualifications

• Proficient in Python 3.12+ and FastAPI.
• Experience with SQLAlchemy and PostgreSQL.
• Knowledge of API security: OAuth2/OIDC, JWT, API keys, WS-Security and TLS.
• Automated testing with pytest.
• Ability to work autonomously with incomplete documentation.
• French (B1), Dutch (B1), English (B2).

Responsabilités

• Define the critical scope from existing API documentation.
• Build metadata endpoints mapped to the existing database schema.
• Implement submission endpoints with validation and meaningful error responses.
• Implement authentication, authorisation and secure handling of submitted data.
• Write automated tests.
• Deploy and demonstrate the solution on Ubuntu Linux.

Connaissances

Python

FastAPI

SOAP

REST API

SQLAlchemy

PostgreSQL

OAuth2/OIDC

JWT

API keys

WS-Security

TLS

pytest

Autonomy

Formation

Bachelor's degree in a relevant field

Outils

Polars

SQLAlchemy

uv

Description du poste

We're looking for a senior API developer to build a compatible replacement using Python and FastAPI. You'll expose database metadata and validate submissions for existing Python loading code, delivering production-quality code, documentation and a summary of gaps and steps towards production.

What you'll do

• Define the critical scope from existing API documentation.
• Build metadata endpoints mapped to the existing database schema.
• Implement submission endpoints with validation and meaningful error responses.
• Implement authentication, authorisation and secure handling of submitted data.
• Write automated tests.
• Deploy and demonstrate the solution on Ubuntu Linux.

What you bring

• Python 3.12+, FastAPI and SOAP and REST API design and development.
• SQLAlchemy and PostgreSQL, including reading and mapping existing schemas.
• API security: OAuth2/OIDC, JWT, API keys, WS-Security and TLS.
• Automated testing with pytest.
• Autonomy with incomplete documentation, pragmatic prioritisation and clear communication.
• French (B1).
• Dutch (B1).
• English (B2).

Nice to have

• Polars with SQLAlchemy.
• uv for package management.
• API compatibility or migration experience.
• Sensitive data handling and GDPR knowledge.
• Linux deployment experience.