Kleever

Freelance remote job Python Backend Developer Full remote

Spain

Kleever

Job position

Contractor
As soon as possible
3 months
€380-400
5 to 10 years experience
Remote
Spain
Published on 29/12/2025

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🚀 Key Responsibilities Working in collaboration with other developers, Product Owners, and DevOps, your responsibilities will include:

  • Developing and maintaining high-performance REST APIs using FastAPI.

  • Designing and implementing robust and secure microservices.

  • Integrating and optimizing databases (PostgreSQL, MongoDB, etc.).

  • Writing unit and integration tests to ensure code quality.

  • Participating in code reviews and the continuous improvement of best practices.

  • Contributing to technical documentation and tracking User Stories.

  • Collaborating with the product and QA teams to ensure reliable delivery.

🛠️ Tech Stack & Environment

  • Language: Python 3.x

  • Framework: FastAPI

  • Databases: PostgreSQL, MongoDB, Redis

  • CI/CD: GitLab CI/CD, Docker, Kubernetes

  • Testing: Pytest, coverage

  • Cloud: AWS / GCP (depending on the project)

  • Tools: Git, Jira, Confluence

📍 Location & Conditions

  • Full remote possible from Europe (France time zone ±1h).

  • Hybrid option available in Paris.

  • Contract: Freelance

  • Start Date: ASAP

Candidate profile

Requirements

  • Minimum 3 - 5 years of experience in Python backend development.

  • Solid experience with FastAPI (or experience with Flask/Django with a willingness to upskill quickly).

  • Strong command of relational and NoSQL databases.

  • Experience designing scalable and secure APIs.

  • DevOps mindset appreciated (Docker, Kubernetes, CI/CD).

  • Good level of technical English (written and spoken).

Bonus (Nice to have)

  • Knowledge of SOLID principles and Clean Code.

  • Experience with DDD (Domain-Driven Design) or Event-Driven Architecture.

  • Experience working in Agile/Scrum environments.

Working environment

🎯 Context We are looking for a Python Backend Developer specialized in FastAPI to strengthen a tech team building modern and scalable applications. The position is open to full remote work (with the option to visit the Paris office occasionally if desired).

Asnières-sur-Seine, Ile-de-France
< 20 employees
Consultancy firm
Kleever est un cabinet de conseil en recrutement digital.

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Python Backend Developer Full remote

Kleever

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