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