Junior Backend Python Engineer - Real-Time APIs

DOU Polska; Wrocław; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Autonomy in distributed team

Business trips abroad

Competitive salary

Vacation days + holidays

Sick leave

Job summary

DOU Polska is seeking a Junior Backend (Python) Engineer to join a cross-border team. The role combines backend Python development with supporting a mobile web front-end and internal admin panels.

You will work on scalable APIs, real-time data processing, and feature ownership across the stack in a hybrid setup with 2+ days in the office. English proficiency (B2) is required for a distributed international team.

Qualifications

• Proven experience in Python backend development (FastAPI/Django/Flask).
• Strong understanding of geospatial data structures (GeoJSON, lat/long).
• Knowledge of cloud-native development principles.
• Experience using Docker for development.
• Familiarity with Kubernetes and Helm charts.

Responsibilities

• Architect and scale a React-based mobile web app for 60fps with offline-first support.
• Build dense Admin Panels for real-time logistics monitoring and dispatching.
• Design and maintain performant Python APIs to handle high-concurrency streams.
• Own feature lifecycle from database schema to UI transitions.

Skills

Python backend

Geospatial data

Cloud native

Docker

Kubernetes

Helm charts

ArgoCD

Grafana

GitHub

English (B2)

Tools

Docker

Kubernetes

Helm charts

ArgoCD

Grafana

Github

Job description

DOU Polska is seeking a Junior Backend (Python) Engineer to join a cross-border team. The role combines backend Python development with supporting a mobile web front-end and internal admin panels.

You will work on scalable APIs, real-time data processing, and feature ownership across the stack in a hybrid setup with 2+ days in the office. English proficiency (B2) is required for a distributed international team.