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Senior Software Engineer - Ruby on Rails (f/m/d)

Berlin (Hybrid)CompetitiveOnsite0 applicants

About this role

Are you ready to change the market?At PAIR Finance we're building the AI-driven platform that's redefining debt collection across Europe. We're looking for a senior software engineer who takes ownership end-to-end, is comfortable being the technical driver of a well-defined scope, and is energized by learning a deep, high-stakes domain: the legal processes around In-Court and After-Court debt collection.

Your Responsibilities: • Own a clear scope end-to-end: take initiative from idea to production largely independently, and lead within your team (T-shaped: you go deep on your slice, and pair with one other developer)

Design, build, and run POCs quickly to de-risk decisions before committing to a full build

Develop, optimize, and maintain our core backend applications and services

Work on high-level architecture to ensure scalability, performance, availability, and security

Go deep on the In-Court/After-Court domain (the legal and procedural knowledge behind our

collection processes is a core part of the job, not a side detail)

Collaborate closely with product to shape the roadmap and unlock further company growth

Work AI-augmented: you already use (or are ready to adopt) tools like Claude Code as part of how you build, review, and ship

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Responsibilities

  • Design, build, and run POCs quickly to de-risk decisions before committing to a full build
  • Develop, optimize, and maintain our core backend applications and services
  • Work on high-level architecture to ensure scalability, performance, availability, and security

Requirements

  • Go deep on the In-Court/After-Court domain (the legal and procedural knowledge behind our
  • Collaborate closely with product to shape the roadmap and unlock further company growth
  • Work AI-augmented: you already use (or are ready to adopt) tools like Claude Code as part of how you build, review, and ship

EU Requirements

Job Details

Posted21 September 2026
Closes21 October 2026
Work ModeOnsite

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