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Senior Software Developer (Core)

Softwareentwickler • Senior • Hybrid • Vollzeit • Deutschland Köln, Deutschland

Aufinity (bezahl.de) is looking for a senior backend expert to co-own its Node.js and MongoDB backend architecture, actively drive technical decisions, and grow the team through code reviews and mentoring.

Responsibilities

  • ▹Develop and optimize backend services on Node.js and MongoDB, actively driving architecture decisions
  • ▹Design and optimize APIs to partner systems with a focus on latency, reliability and maintainability
  • ▹Operate Linux, Docker and Kubernetes infrastructure together with the DevOps team, spotting bottlenecks before they become problems
  • ▹Establish new processes together with other departments, design internal tools to optimize the system landscape, and help decide where AI adds value
  • ▹Ensure quality through code reviews and best practices, sharing knowledge via pair programming and honest feedback

Requirements

  • ▹5+ years of senior backend experience, a significant part of it with Node.js and MongoDB (or similar NoSQL databases) in production
  • ▹Systems thinking, backed by a computer science degree or comparable training
  • ▹Ownership mentality: spotting problems independently, prioritizing and driving them to resolution
  • ▹Strong organizational skills and high self-motivation for technical challenges
  • ▹Clear communication with both technical and non-technical stakeholders

Soft skills

ownership mentalitysystems thinkingself-motivationclear communication

What we offer

  • ▹Full ownership of your topics with a focus on quality, impact and sustainable results
  • ▹Room to shape your area of responsibility and grow within it
  • ▹Open communication and collaboration on equal footing at every level
  • ▹Training, cross-team learning formats, individual mentoring
  • ▹Flexible work, workation options, team and company events
  • ▹Contribution towards lunch, internet and the Deutschlandticket
  • ▹Commitment to equal opportunity, with candidates with disabilities given preference when equally qualified

About the company

Aufinity is one of Germany's fastest-growing FinTech scale-ups. Since 2018 its bezahl.de platform has digitized and automated payment processes in the automotive industry, from invoicing through dunning to handover into accounting systems.

Education: Informatikai végzettség vagy hasonló képzés

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