Senior Backend Developer

Wearehaystack — United Kingdom · Posted ~6 hours ago

Senior Full-time

Skills

Python FastAPI REST APIs microservices Domain-Driven Design SQL PostgreSQL SQL Server Neo4j Docker Kubernetes CI/CD backend architecture REST

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Summary ✨ AI‑Generated

A senior backend position building scalable services and data-driven applications that process complex geospatial and temporal information. You will design RESTful APIs and microservices, develop large-scale analytics pipelines, apply Domain-Driven Design, and work with relational and graph databases. The role also involves Docker, Kubernetes, CI/CD, cloud-native development, testing, and code reviews.

Highlights

Senior backend role focused on scalable, data-driven systems, modern APIs and microservices, large-scale analytics pipelines, graph databases, containerisation, and cloud-native engineering in a collaborative environment.

Description

We are working with a global technology leader on a high-profile international programme focused on building scalable, data-driven applications. This is an exciting opportunity to contribute to modern backend architecture, processing complex geospatial and temporal data within a collaborative engineering environment. The Role Design and develop scalable backend services Build RESTful APIs and microservices Develop data pipelines for large-scale analytics platforms Collaborate with cross-functional teams 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 What You'll Need Strong commercial experience with Python and FastAPI Solid understanding of REST APIs and microservice architectures Experience with Domain-Driven Design (DDD) Strong SQL skills (PostgreSQL and/or SQL Server) and Neo4j graph databases Experience with Docker, Kubernetes, and CI/CD pipelines Eligibility: Must be a citizen of a NATO member country and currently reside within a NATO member country. What's On Offer Opportunity to work on large-scale distributed systems Engage with modern technologies and technically challenging projects Fully remote contract Initial contract through December 2026, with potential for extension Apply via Haystack today!