Senior Software Engineer

5 days ago

Liverpool, Liverpool, United Kingdom GBV Ltd Full time £60,000 - £120,000 per year

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


3 days per week on-site in Speke | Permanent | Full-time

An innovative e-commerce business is seeking a
Senior Systems Developer
to join its fast-moving, cloud-first technology team. This role is perfect for a developer who thrives on solving complex integration challenges and building scalable systems that connect e-commerce platforms with business-critical functions — including Warehouse, Finance, and Inventory systems.

You'll be part of a collaborative engineering culture that values pace, experimentation, and continuous improvement — working on cloud-native solutions that leverage modern architecture, containerisation, and emerging AI-driven development practices.

Key Responsibilities

  • Design, build, and maintain integrations between e-commerce platforms and ERP/WMS/Finance systems.
  • Develop cloud-native, containerised backend services using modern frameworks and design patterns.
  • Implement middleware and APIs to streamline communication between distributed systems.
  • Write clean, performant code in
    C# and you will also get exposure to working with Golang, PHP, Python, and JavaScript
    .
  • Develop and consume secure, scalable
    REST APIs
    .
  • Build queue-based, event-driven processes for high-volume data workflows.
  • Collaborate across DevOps, Infrastructure, and Product teams.
  • Monitor and optimise system performance using modern observability tools.
  • Explore practical applications of
    AI-driven development and GPT-based engineering workflows
    .

Tech Stack & Skills

  • Core:
    ASP.NET Core (C#) or Golang - would be really nice to have if you had any ofPHP, Python, JavaScript
  • Databases:
    MySQL, MSSQL, PostgreSQL
  • E-Commerce:
    Magento or similar open-source platforms
  • Architecture:
    Microservices, SOA, Hexagonal, Modular Monolith
  • Infrastructure:
    Docker, AWS (preferred), Azure or GCP
  • Eventing & Queues:
    Message-based architecture for async workflows
  • Observability:
    Grafana, Prometheus, CloudWatch, New Relic, Datadog

Bonus points for:

  • VB.NET or Kubernetes exposure
  • Solid grounding in software architecture patterns (DDD, Clean Code, 12-Factor App)

Culture & Behaviours

  • Pace:
    Move fast to build momentum and growth.
  • Communication:
    Collaborate openly — no silos, no ego.
  • Trust:
    Be accountable and dependable.
  • Transparency:
    Openness over red tape.
  • Challenge:
    Step outside your comfort zone.
  • Learn:
    Experiment, adapt, and improve continuously.
  • 360 Leadership:
    Lead from any seat.

If you're passionate about building intelligent, scalable integrations and want to be part of a business where
speed, trust, and innovation
are core values — we'd love to hear from you

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