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Senior Backend Engineer

vor 2 Wochen


Erkelenzdamm Berlin BE Germany rebuy Vollzeit
Job description

We are looking for a Senior Backend Engineer to join our Tech Operations Team and power the heart of our warehouse operations.

As a (Senior) Backend Engineer, you'll be building the software that keeps our warehouses running. From unpacking parcels to grading items, from picking to wrapping orders, you'll help create and own applications that directly impact our colleagues' day‑to‑day work.

You'll be part of a tight‑knit team of engineers, a product manager, and an engineering manager, all driven to bring smart, sustainable choices to thousands of users daily — connecting the digital and physical worlds in meaningful ways.

If you thrive in a dynamic, tech-driven environment and enjoy working with cross-functional teams, we would love to hear from you

Ready to become part of the most important mission on this planet? We are rebuy, pioneers in the sustainable reuse of electronics and media and we are looking for you Our mission: to make circular living accessible to all, one transaction at a time. By giving products a second chance, we reduce resource consumption and avoid unnecessary e-waste.

Our team of 600 comes from all corners of the world; we drive things forward collaboratively, take personal responsibility, value positive critical thinking, and persistently serve our customers and planet.

Key Responsibilities:
  • Design, build and maintain backend services with Kotlin and Java

  • Work on our platform, optimizing for performance, scalability and stability

  • Embrace the challenge and opportunity to design and implement systems that effectively bridge between the digital and physical worlds

  • Engage in rapid prototyping to validate assumptions quickly

  • Help to improve our architecture and best practices continuously

  • Actively contribute ideas and help drive technical discussions

  • Collaborate closely with your peers, your product manager and stakeholders to build features from idea to production

  • Visit our warehouses to understand our services better by using them firsthand while observing and engaging with the employees to gather feedback and opportunities to further improve our services and UX

Job requirements
  • You have at least 4 years of professional experience in backend development with Kotlin and Java and feel confident working independently with both languages

  • You excel at building database architectures that perform and scale seamlessly

  • You are experienced in building and scaling service-oriented architectures

  • You enjoy working closely with other engineers, product managers, and stakeholders

  • As a senior engineer, you combine technical expertise with a drive to solve problems, displaying excellent collaboration and ownership skills in the process. 

  • You won't have direct reports, but your impact will shape how the team moves forward

  • You are an effective communicator who values transparency and team spirit

  • You are pragmatic: you prioritize shipping working solutions and iterating quickly

  • You like contributing ideas, improving processes, and shaping better user experiences

  • You feel comfortable occasionally working with other tech stack (e.g. PHP, Angular)

Working hours:
  • Full time 

Location:
  • Berlin

  • Hybrid model

Purpose, a great company culture and incredible benefits - what to expect at rebuy:
  • Work with a friendly team that is passionate about circularity and wants to make the world a little more sustainable, one transaction at a time

  • Feel comfortable in an environment where independence and new ideas are welcome

  • Benefit from flat hierarchies and the greatest possible transparency so that things don't take longer than they have to and you always feel well informed

  • Enjoy our centrally located office in Berlin (Erkelenzdamm , 10999 Berlin)

  • Benefit from our family-friendly, flexible environment and paid child sick leave

  • Bring your dog to the office: we love animals and want to cuddle yours, too

  • Use employee discounts on , sustainable products at Futurebens, offers for sustainable micro-mobility and massages directly in our office

  • Have fun at our legendary team and company events

  • Use our mental health offers as part of a cooperation with nilo

  • Take care of your work-life balance with 30 vacation days

*At rebuy all people are welcome and supported We would like to talk, regardless of age, disability, national and social origin, skin color, religion, gender identity and sexual orientation. Just be who you are.

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