We are looking for a

Senior Python Backend Engineer for a International institution in

Brussels, Belgium

, with strong experience in

Python, Django, Flask or FastAPI, REST APIs and database development

.

You will contribute to the development of secure, scalable backend applications, working with modern Python frameworks, databases, containerized environments and DevSecOps practices within an international IT environment.

Candidates need to be based in Europe within 2 hours of Brussels.

Consultants will need to go 5 days per month on-site.

European candidates are welcome to apply, but need to relocate to Brussels or within 2 hours of Brussels.

A work permit is required but not provided.

Tasks and Responsibilities

Develop and maintain backend applications and services using

Python and frameworks such as Django, Flask or FastAPI

;

Design, implement and integrate

RESTful APIs and backend services;

Develop and optimize database schemas, ORM models and SQL queries across relational and NoSQL databases;

Apply secure coding practices, authentication, authorization, encryption and vulnerability scanning;

Support automated testing,



code quality and CI/CD processes using modern development and DevSecOps tools;

Profile

Bachelor's or Master's degree;

6+ years of professional Python development experience

;

Strong experience with

Django, Flask or FastAPI and RESTful API development;

Experience with relational databases such as Oracle or PostgreSQL and

NoSQL technologies such as Elasticsearch or MongoDB;

Excellent knowledge of

ORM, database schema design and query optimization

;

Experience with

Docker or Podman, Kubernetes and Linux environments

;

Knowledge of secure coding, OWASP-related vulnerability scanning, authentication, authorization and encryption

;

Experience with

Git or SVN

, code quality tools such as pylint, Black or flake8, and AI coding assistants such as GitHub Copilot or Amazon Kiro;

Experience with

CI/CD tools such as Jenkins, GitLab CI or GitHub Actions, and familiarity with Ansible and virtual machine management;

Fluent English

, with availability to work onsite in Brussels 5 days per month.

Key Technologies &

Skills

📌 Senior Python Backend Engineer - Brussels (Barcelona)
🏢 All European Careers
📍 Barcelona