Systems Developer - E-Commerce Integrations (Cloud-Native, AI-Driven) (Liverpool)

We are seeking a Systems Developer with a strong background in e-commerce systems and backend integrations to join our fast-paced, tech-forward software engineering team. This role will focus on the development and maintenance of scalable, cloud-native software solutions that integrate our e-commerce platform with critical business systems including Warehouse Management , Finance , Inventory , and other back-office applications.

This is a hands-on, architecture-informed development role requiring expertise in modern software engineering practices and tools, with an emphasis on cloud-native applications , AI-powered development tools , and system interoperability .

Key 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.
• Implement and refine queue-based processing to support asynchronous workflows and event-driven architecture.
• 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.

Required Skills & Experience

Strong commercial development experience in:

• ASP.NET Core , C#
• PHP , Python , JavaScript
• SQL dialects : MySQL, MSSQL, PostgreSQL
• Familiarity with Redis , ElasticSearch , REST APIs
• Experience with Windows-based development : services, scheduled tasks, web servers (e.g. IIS).
• Magento or other open-source e-commerce platform integration experience

Sound knowledge of Software Architecture :

• Design Patterns (Enterprise, Architectural, DDD)
• The Twelve-Factor App
• Clean Code principles and Refactoring
• Clean Infrastructure principles

Hands-on experience with:

• Docker , Containers
• Cloud platforms : AWS (preferred), Azure, or GCP
• Queue systems and event-driven architecture
• Prior experience building middleware for data sync, order processing, and internal APIs in a multi-system e-commerce environment

Understanding of architecture patterns:

• Microservices , SOA , Hexagonal , Modular Monolith

Monitoring & Observability:

• Grafana , Prometheus , CloudWatch , New Relic , Datadog , etc.
• Solid grasp of AI trends in software development , particularly in using GPT tools and agentic systems

Education:

• Mathematics or Computer Science degree (or equivalent experience)

Desirable Skills

• Working knowledge of VB.NET
• Exposure to Kubernetes