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Backend Systems and Integrations Developer

United Kingdom, Liverpool 60000.00 - 75000.00 GBP / Year · Job Posted February 04, 2026
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Job Description

Broster Buchanan are partnered with a well known fitness eCommerce business who are looking for a Backend Developer/Integration Specialist to join their fast-paced, tech-forward development team. This role will focus on the development and maintenance of scalable, cloud-native software solutions that integrate their e-commerce platform with critical business systems including Warehouse Management, Finance, Inventory, and other back-office applications.

Job Responsibility

  • Design and develop backend integrations between e-commerce platforms (mostly Magento) and enterprise systems including WMS solutions and ERP/Finance platforms
  • Implement enterprise integration patterns including message routing, content enrichment, and data synchronisation to ensure reliable communication between distributed systems
  • Build scalable middleware solutions for order management, inventory synchronisation, and real-time data exchange between e-commerce and warehouse operations
  • Develop cloud-native, containerised microservices following Domain-Driven Design principles and clean architecture patterns
  • Create and maintain REST APIs and event-driven integrations ensuring secure, performant communication across the technology estate
  • Apply software design patterns and best practices including SOLID principles, dependency injection, repository patterns, and test-driven development
  • Implement queue-based processing for asynchronous workflows, particularly for high-volume order processing and inventory updates
  • Ensure system resilience through circuit breakers, retry mechanisms, and graceful degradation strategies for handling peak trading periods
  • Champion coding standards through comprehensive code reviews, pair programming, and knowledge-sharing sessions
  • Leverage observability tools to monitor integration health, identify bottlenecks, and ensure SLA compliance
  • Collaborate with cross-functional teams including DevOps & Development, and Warehouse Operations to deliver robust solutions

Requirements

  • 5+ years commercial development experience in at least one of the following languages: Golang, C# with ASP.NET Core, PHP, or Python
  • Strong database expertise with SQL (MySQL, PostgreSQL, or SQL Server) including query optimisation and schema design
  • Proven experience with WMS/ERP integrations including familiarity with at least one of or similar solutions: OrderFlow, SAP Business One, Microsoft Dynamics, Salesforce Commerce Cloud, etc and experience with API integrations for E-commerce platforms
  • Deep understanding of design patterns including Gang of Four patterns, enterprise integration patterns, and architectural patterns
  • Proficiency in software architecture principles: Clean Architecture and Hexagonal Architecture, Domain-Driven Design (DDD) and bounded contexts, SOLID principles and dependency management and The Twelve-Factor App methodology
  • Experience with modern development practices: Test-Driven Development (TDD) and Behaviour-Driven Development (BDD), Continuous Integration/Continuous Deployment, Code quality tools and static analysis, and Version control with Git and branching strategies
  • Container orchestration with Docker and container management, with any Kubernetes experience being beneficial
  • Cloud platforms experience, preferably AWS (EC2, Lambda, SQS, RDS) with understanding of Azure or GCP
  • Message queuing systems (RabbitMQ, AWS SQS, Redis) for event-driven architecture
  • Monitoring and observability using tools such as Grafana, Prometheus, New Relic, CloudWatch, or Datadog

Nice to have

  • Understanding of PCI compliance and data security in e-commerce
  • Exposure to warehouse automation systems and EDI

What we offer

10% bonus

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