(Senior) Ruby on Rails Developer (m/f/d)

  • Jobnr. 5048
  • Festanstellung
  • Hamburg, remote
  • 02.06.2026

Your Tasks

  • You are responsible for the further development and stable operation of a production SaaS platform based on Ruby on Rails
  • You develop and maintain REST API interfaces and ensure that integrations run reliably
  • You design and optimize data structures in PostgreSQL, ensuring high performance and scalability of the systems
  • You ensure code quality through testing, code reviews, and CI/CD processes, actively contributing to the platform’s technical stability
  • You work closely with colleagues from Engineering, Product, Sales, and Finance, enabling efficient communication and fast implementation

Further details apart from the job description as well as information about the company are available during the application process.

Your Benefits

  • Home office options (up to 100% remote, with only 1–2 days per month on-site)
  • Flexible working hours
  • A key role in a well-funded, growing FinTech company where engineering plays a central role in the business model
  • Flat hierarchies and short decision-making processes
  • Quarterly team events to celebrate shared successes

Your Profile

  • Several years of hands-on experience with Ruby and Ruby on Rails in production environments
  • Experience with REST APIs and a solid understanding of what makes interfaces clean, stable, and reliable
  • Strong knowledge of relational databases, ideally PostgreSQL
  • Proficiency with Git and modern CI/CD processes, and an understanding of their importance for stable deployments
  • Basic knowledge of Docker
  • Ability to work independently and reliably, even when requirements are not fully specified in detail
  • Familiarity with testing frameworks such as RSpec or Minitest, with a strong focus on clean, maintainable, and well-structured code
  • Ideally, experience with frontend development using Hotwire (Turbo / Stimulus)
  • Experience with Sidekiq and Redis, including asynchronous background job architectures

TechMinds GmbH

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Your Application

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