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Freelance Senior Backend Developer – PHP (m/f/div)


For our office in Hamburg we are looking for a Freelance Senior Backend Developer (m/f/div) with excellent PHP knowledge and many years of project experience. 

As a Freelance Senior Backend Developer you will develop a sophisticated and individual B2B e-commerce project on our preferred shop systems within the PHP stack (Spryker Commerce OS). You will work in agile (Scrum, Kanban), interdisciplinary and international project teams with a high degree of personal responsibility and maintain a constant exchange and joint further development with your team colleagues. 



  • Project: B2B Marketplace Solution with Spryker Commerce OS
  • Location: Hamburg
  • Method/Team: Scrum, SM/PO, Backend: Lead Developer + 6 Senior Developer
  • Period: approx. 6 month, start 15.11.2019
  • Remote/On location: Required on-site presence for enablement (at least 1 week) as well as every 2 weeks 1 day to the sprint changes, otherwise remote possible (On-site work in a team is preferred)



  • have excellent knowledge of PHP in particular and web development in general and are familiar with all de facto standard tools and components in this field
  • have a deep understanding of OOP and SOLID principles
  • have a broad knowledge of design and cloud patterns and apply them in the right situations with a sense of proportion (respecting KISS, YAGNI, Occam's razor principles) to deliver reusable, object-oriented and decoupled software
  • you attach great importance to performance, scalability and maintainability of applications on any levels
  • are familiar with state of the art frameworks such as Symfony (or Laravel)
  • ideally already have experience in the field of e-commerce and with the integration of third-party systems (PIM, CMS, PSP, OMS, ERP, etc.) that frequently occur
  • are experienced and confident in covering at least critical implementations through appropriate testing (unit/integration/system testing)
  • Ideally have a sound knowledge of API development and are familiar with the usual protocols and standards (OpenAPI spec.).
  • have already worked in agile teams e.g. with Scrum or Kanban
  • know and appreciate the work with merge requests/code reviews for quality assurance and continuous improvement of your own coding skills and those of your colleagues (or can't wait to work like this at least)
  • are a strong team player and would like to work in international teams and communicate reliably in English both verbally and in writing 



  • An open culture
  • Develop yourself at one of the fastest growing digital agencies in Europe
  • An exciting job with enough possibilities for personal development
  • Possibilities to do what you do best and to develop your skills even further
  • Healthy and tasty food
  • Friday drinks/open bar
  • Legendary team outings



Hi, we are Dept – an international digital agency of over a 1,000 experienced thinkers & makers. One agency uniting creativity, technology and data. Helping reinvent & accelerate your digital reality by creating experiences that people want and businesses need..

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