Backend Integrations Developer

Broster Buchanan are partnered with a quickly growing eCommerce business who are looking for a Backend Integrations Developer with a strong background in e-commerce systems and backend integrations to join their fast-paced, tech-forward software engineering 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.

The role will be based in their Liverpool office with 2 days onsite and 3 days remote working per week. On offer is a salary of £55k - £75k + 10% bonus (with plenty of flexibility for the right person).

Responsibilities:

• Design, develop, and maintain backend integrations between e-commerce systems and ERP/WMS/Finance platforms.
• Build cloud-native, containerised applications and services using modern frameworks and design patterns.
• Create middleware and intranet applications that streamline internal workflows and communication between distributed systems.
• Write clean, maintainable, and efficient code across multiple languages (C#, PHP, Python, JavaScript).
• Develop and consume REST APIs, ensuring secure, performant communication between services.
• Ensure scalability and resilience in applications handling large volumes of traffic and burst events.
• Work collaboratively with cross-functional teams, including DevOps, Infrastructure, and Product, to deliver robust systems.
• Leverage observability tools to monitor, alert, and troubleshoot application and integration health.
• Stay current on AI-driven software development practices (e.g., GPT-assisted development, Agentic AI workflows) and suggest practical implementations.
• Participate in architecture reviews, sprint planning, code reviews, and knowledge sharing.

Requirements:

• Strong experience in backend systems and technologies, such as .NET 8 or 9, C# or Golang
• Experience in various SQL dialects, including MySQL, MSSQL, PostgreSQL
• Familiarity with Redis, ElasticSearch and REST APIs
• Experience with Windows-based development: services, scheduled tasks, web servers (e.g. IIS)
• Experience with containers such as Docker or Kubernetes and Cloud platforms: AWS (preferred), Azure, or GCP
• Beneficial to have Magento or other open-source e-commerce platform integration experience
• Prior experience building middleware for data sync, order processing, and internal APIs in a multi-system e-commerce environment would be highly beneficial