Senior Backend Developer (API Design & Development) for NATO

WLG

Warsaw, Masovian Voivodeship, Poland
Full-time
Posted May 23, 2026

Job Description

Would you like to join the leading international intergovernmental organization?

We are seeking a Senior Python Backend Developer to design, build, and operate scalable services and data pipelines that power maritime geospatial and temporal analytics across the platform. You will develop production-grade APIs and microservices, integrate with Neo4j for graph-centric use cases, and leverage Databricks for data engineering and ML workflows.

You will collaborate closely with architecture, data engineering, and product to translate domain models into clean, testable code using Domain-Driven Design. Expect to define clear bounded contexts, align contracts and schemas, and ensure services reflect the ubiquitous language of the domain.

This is a hands-on engineering role with strong ownership. You will lead features end-to-end—from technical discovery and design through implementation, testing, deployment, and runtime monitoring—prioritizing reliability,...