Senior Python Engineer — Routing & Logistics Systems

your Jared; Warszawa; Hybrid; PLN 223,000 - 279,000; Full time

Benefits offered by this job

Worksmile platform

Hybrid work arrangement

Job summary

The Codest is seeking a Senior Software Engineer specializing in Python and routing algorithms to support the Delivery Optimization Engine for a leading European e-commerce platform. You will design and scale high-throughput backend services, leveraging cloud-native Python architectures and routing APIs.

Requirements include 4+ years in backend development with Python/SQL, experience in logistics routing, geospatial data (PostGIS), and cloud tools (GCP, Kubernetes, Terraform, Airflow).

Qualifications

• 4+ years of commercial backend software development using Python and SQL.
• Experience with routing algorithms and logistics domain knowledge is required.
• Familiarity with geospatial data concepts (PostGIS, spatial indexing) and cloud ecosystems (GCP).
• Strong emphasis on clean code, TDD, CI/CD, and code reviews.

Responsibilities

• Support design and scaling of high-throughput services powering first- and last-mile operations.
• Contribute to building the Delivery Optimization Engine using network analysis and routing techniques.
• Design and scale microservices architecture; collaborate with data, cloud, and infra teams.

Skills

Python

SQL

Routing algorithms

Microservices

Kubernetes

Terraform

GCP

CI/CD

TDD

English

Education

Higher technical education (CS or related)

Tools

PostGIS

Airflow

BigQuery

Dataflow/Composer

Job description

The Codest is seeking a Senior Software Engineer specializing in Python and routing algorithms to support the Delivery Optimization Engine for a leading European e-commerce platform. You will design and scale high-throughput backend services, leveraging cloud-native Python architectures and routing APIs.

Requirements include 4+ years in backend development with Python/SQL, experience in logistics routing, geospatial data (PostGIS), and cloud tools (GCP, Kubernetes, Terraform, Airflow).