Senior Backend Engineer: Build Scalable Python APIs & Systems

Datasite; Poland; Remote; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Financial support for education

Well-being support

MacBook provided

Team events

Job summary

Datasite is seeking a Senior Backend Engineer to own and evolve scalable backend services in Python with Django REST Framework. You will design APIs, improve data models, and collaborate across product, frontend, mobile, and platform teams with a strong security mindset.

You will mentor engineers, drive CI/CD improvements with Docker, Kubernetes, and Terraform, and shape reliable, observable systems with SLIs/SLOs.

Qualifications

• Expert-level Python with Django and DRF.
• Strong SQL and PostgreSQL performance tuning.
• Experience with Celery and message brokers (RabbitMQ).
• Designing scalable APIs and data models with security in mind.

Responsibilities

• Design, develop, and operate scalable APIs and services in Python with Django DRF.
• Lead architectural changes for data modeling, service boundaries, and zero-downtime migrations.
• Collaborate with DevOps on pipelines using Docker, Kubernetes, Terraform; promote trunk-based development and canaries.
• Write and maintain unit and integration tests to ensure code quality and reliability.
• Mentor engineers through feedback, pairing, and design reviews.
• Contribute to knowledge sharing with talks and docs.

Skills

Teamwork

Data-driven mindset

Proactive problem-solving

Cross-functional collaboration

Security-minded

Tools

Docker

Kubernetes

Terraform

GitHub Actions

Celery

RabbitMQ

Redis

PostgreSQL

Python

Django

Django REST Framework

Job description

Datasite is seeking a Senior Backend Engineer to own and evolve scalable backend services in Python with Django REST Framework. You will design APIs, improve data models, and collaborate across product, frontend, mobile, and platform teams with a strong security mindset.

You will mentor engineers, drive CI/CD improvements with Docker, Kubernetes, and Terraform, and shape reliable, observable systems with SLIs/SLOs.