Senior Backend Python Engineer - Remote (Amsterdam)

Darwin Engineering; Amsterdam; Remote; EUR 83,000 - 124,000; Full time

Benefits offered by this job

Remote work

Occasional office visits

Job summary

Darwin Engineering is seeking a Backend Python Engineer to join a small platform team. You will own the backend REST API, fix scaling bottlenecks and introduce async processing, and map customer configurations for migration automation.

You will work with Python (FastAPI/Django/Flask), AWS, Kubernetes (EKS), PostgreSQL, and CI/CD pipelines, with light React for frontend tasks. This 10-month freelance role is remote (Amsterdam) with occasional office visits and a CET-friendly schedule.

Qualifications

• 5+ years of commercial Python on large, complex codebases.
• Hands-on REST API development with FastAPI, Django or Flask.
• Strong AWS experience, including Kubernetes (EKS) and PostgreSQL (RDS).
• Solid relational database skills, including SQL query optimisation.
• Building and maintaining CI/CD pipelines (GitHub Actions, CircleCI or GitLab CI).
• A strong testing habit with pytest or similar.
• Ownership from design through to delivery, including architectural decisions.
• Enough React to pick up light frontend work.
• Fluent English and confidence working directly with non-technical teams such as finance and customer success.

Responsibilities

• Own backend REST API development and scale the platform during migration.
• Identify and fix scaling bottlenecks and introduce async processing where missing.
• Map customer configurations to the new system for migration automation.
• Extend and maintain the backend for a self-service portal and integrate with third-party HR systems.
• Collaborate with frontend and non-technical teams across the project.

Skills

Python

REST API development

AWS

Kubernetes (EKS)

PostgreSQL

CI/CD

Testing with pytest

React basics

English fluency

European CET timezone ready

Tools

FastAPI

Django

Flask

GitHub Actions

CircleCI

GitLab CI

Celery

SQS/RabbitMQ

React

Job description

Darwin Engineering is seeking a Backend Python Engineer to join a small platform team. You will own the backend REST API, fix scaling bottlenecks and introduce async processing, and map customer configurations for migration automation.

You will work with Python (FastAPI/Django/Flask), AWS, Kubernetes (EKS), PostgreSQL, and CI/CD pipelines, with light React for frontend tasks. This 10-month freelance role is remote (Amsterdam) with occasional office visits and a CET-friendly schedule.