Senior Backend Developer (Python)

Senior Backend Developer (Python) – Remote Contract

Remote | Contract | Start: September 2026

We're recruiting for an experienced Senior Backend Developer to join a high-profile international technology programme focused on building scalable, data-driven applications. This is an exciting opportunity to work on modern backend architecture, processing complex geospatial and temporal data within a collaborative engineering environment.

This is a hands-on role where you'll take ownership of features from design through deployment, working closely with architects, data engineers and software developers to deliver robust, production-grade solutions.

What you'll be doing

Design and develop scalable backend services using Python and FastAPI

Build RESTful APIs and microservices

Develop data pipelines supporting large-scale analytics platforms

Work with Neo4j graph databases and relational databases such as PostgreSQL or SQL Server

Collaborate with cross-functional engineering teams to design clean, maintainable software using Domain-Driven Design (DDD)

Write high-quality, well-tested code and contribute to code reviews

Support CI/CD pipelines, containerised deployments and cloud-native development

Troubleshoot performance issues and contribute to architectural decisions

Essential Skills & Experience

Strong commercial experience with Python

Production experience with FastAPI

Solid understanding of REST APIs and microservice architectures

Experience applying Domain-Driven Design (DDD)

Strong SQL skills with PostgreSQL and/or SQL Server

Hands-on experience with Neo4j graph databases

Experience working with Docker and Kubernetes

Knowledge of CI/CD pipelines and Git

Understanding of secure software development principles

Excellent communication skills and experience working within Agile teams

Desirable Experience

Databricks

Microsoft Azure

Event-driven architectures (Kafka, MQTT, Azure Event Hubs, etc.)

Geospatial or time-series data

Observability tools such as Prometheus, Grafana or OpenTelemetry

Eligibility

Due to project requirements, applicants must be citizens of a NATO member country and currently reside within a NATO member country.

Contract Details

Fully remote

Start: September 2026

Initial contract through December 2026, with potential for extension

International engineering programme

Opportunity to work with modern technologies on technically challenging projects

If you're an experienced Python Backend Developer looking to work on large-scale distributed systems using modern engineering practices, we'd love to hear from you.

Apply today with your latest CV for a confidential discussion