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

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
Core Behaviours
  • Pace: Know that speed is your greatest ally. It builds momentum and is key for growth. Go fast.
  • Communication: Know that team is your greatest asset. Talk to them face to face, Don't try to go alone.
  • Trust: When you say you'll do it, do it. When someone asks for help, you give it.
  • Transparency: Nothing is off limits, to anyone at any time. Remove walls & call out red tape.
  • Challenge: Get comfortable with feeling uncomfortable. We need you to go where you're scared to.
  • Learn: Drive a culture of experimentation and continuous improvement.
  • 360 Management: Manage up, down and across. Regardless of title, everyone is a leader. So Lead.

Job Details

Company
Protein Works
Location
Old Swan, Merseyside, UK
Employment Type
Full-time
Posted