Senior/Staff Backend Engineer

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QontoFintech
You can choose to work in Qonto as long as you're living in (or willing to relocate to) either Germany, France, Italy, Serbia, or Spain.Full-TimeSenior
Salary not disclosed
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Job Details

Languages
English
Required Skills
AWSPostgreSQLKafkaKubernetesRubyGo

Requirements

  • Strong backend engineering experience with large-scale web application architecture.
  • Familiarity with production environments and handling real-world scale constraints.
  • Proficiency in modern backend technologies with the ability to learn Go and Ruby quickly.
  • Experience with testing, monitoring, and incident management.
  • Root cause analysis and problem-solving skills.
  • Ownership mindset regarding code impact and system health.
  • Ability to work effectively in cross-functional squad teams.
  • Fluent in English.

Responsibilities

  • Design, build, deploy, and maintain services handling real financial transactions.
  • Own service architecture, resilience, and scalability following Domain-Driven Design principles.
  • Lead design discussions and mentor less experienced engineers.
  • Drive continuous improvement including fixing CI processes and conducting post-mortems.
  • Collaborate with Product Managers, Designers, and other engineering disciplines within a squad team.
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