Senior Backend Developer (Python) - Remote

Requirements

Must have:

- We need strong commercial experience with Python.

• We need production experience with FastAPI.
• We need a solid understanding of REST APIs and microservice architectures.
• We need experience applying Domain-Driven Design (DDD).
• We need strong SQL skills with PostgreSQL and/or SQL Server.
• We need hands-on experience with Neo4j graph databases.
• We need experience working with Docker and Kubernetes.
• We need knowledge of CI/CD pipelines and Git.
• We need an understanding of secure software development principles.
• We need excellent communication skills and experience working within Agile teams.
• Applicants must be citizens of a NATO member country and currently reside within a NATO member country.

Responsibilities:

- We design and develop scalable backend services using Python and FastAPI.

• We build RESTful APIs and microservices.
• We develop data pipelines supporting large-scale analytics platforms.
• We work with Neo4j graph databases and relational databases such as PostgreSQL or SQL Server.
• We collaborate with cross-functional engineering teams to design clean, maintainable software using Domain-Driven Design (DDD).
• We write high-quality, well-tested code and contribute to code reviews.
• We support CI/CD pipelines, containerised deployments and cloud-native development.
• We troubleshoot performance issues and contribute to architectural decisions.
• We take ownership of features from design through deployment.

Company:

We are recruiting for an experienced Senior Backend Developer to join a high-profile international technology programme focused on building scalable, data-driven applications. This is a fully remote contract role starting in September 2026, with an initial term through December 2026 and potential for extension. You will join a collaborative engineering environment working on modern backend architecture and technically challenging projects, including complex geospatial and temporal data, using modern technologies in an international engineering programme.