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Backend Java Developer

Southwark Temporary £650 - £650 per day View Job Description
Join a team transforming a global commerce platform through a major Java-based architectural rebuild. You'll develop scalable microservices, marketplace integrations and cloud-nativee solutions that enable seamless product, stock and pricing synchronisation across multiple sales channels, helping drive faster market expansion and a better customer experience.
  • Help rebuild a global platform from the ground up
  • Work with modern Java, GCP and event-driven architecture

About Our Client



Our client is a globally recognised retail and e-commerce organisation investing heavily in its digital capabilities. With a strong focus on innovation, engineering excellence, and customer experience, they are undertaking a major technology transformation to support continued international growth and expansion across digital sales channels.

Working within a collaborative and empowered engineering environment, you'll be part of a team building products that operate at significant scale across multiple markets.

Job Description

  • Contribute to the rebuild and modernisation of a core platform using Java Spring Boot.
  • Design, develop, and optimise integrations with a range of external commerce and marketplace platforms.
  • Build scalable microservices within a cloud-nativee, event-driven architecture.
  • Develop solutions for complex product catalogue publication and synchronisation challenges.
  • Support the migration of legacy business processes into modern platform services.
  • Ensure highly accurate real-time stock and pricing synchronisation.
  • Collaborate closely with Product Managers, Engineers, and cross-functional stakeholders.
  • Drive technical improvements and contribute to architectural decision-making.



The Successful Applicant



You will bring:

  • Strong commercial experience with Java and Spring Boot.
  • Experience building microservices and distributed systems.
  • Strong knowledge of PostgreSQL databases.
  • Experience with Redis or similar caching technologies.
  • Understanding of event-driven architecture patterns.
  • Experience working with Kubernetes and cloud platforms, ideally GCP.
  • Strong communication and stakeholder engagement skills.
  • A proactive mindset and the ability to work autonomously within agile teams.



Desirable:

  • Experience with Python.
  • Previous experience integrating with marketplaces, e-commerce platforms, or large-scale APIs.

What's on Offer

  • Daily rate of £650, dependent on the level of experience.
  • Temporary position in a retail-focused technology role.
  • Opportunity to work in South London - 3 days per week in the office
  • Be part of a major global digital transformation programme.
  • Work on a modern technology stack including Java, Spring Boot, GCP, Kubernetes, PostgreSQL and Redis.
  • Opportunity to influence architecture and technical direction.
  • Collaborative and highly skilled engineering environment.
  • Exposure to large-scale distributed systems and international commerce platforms.
  • Flexible and empowering culture focused on innovation and continuous improvement.
  • Excellent opportunities for long-term career growth and development.
Contact
Hannah Kelly
Quote job ref
JN-072026-7069367
Phone number
+44 7989225567

Job summary

Job function
Technology
Subsector
IT Development
Sector
Retail
Where
Southwark
Contract type
Temporary
Consultant name
Hannah Kelly
Consultant phone
+44 7989225567
Job reference
JN-072026-7069367