Senior Backend Developer (Python) - Remote

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.