Broster Buchanan

Broster Buchanan are partnered with a quickly growing eCommerce business who are looking for a Backend Systems Developer with integration experience 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 3 days onsite and 2 days remote working per week. On offer is a salary of £55k - £65k + 10% bonus. 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 etc 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 Prior experience building middleware for data sync, order processing, and internal APIs in a multi-system e-commerce environment would be highly beneficial