Senior Backend Engineer (m/f/d)

Our client is one of the most innovative start-ups in digital health solutions supporting patients with rare diseases. The international team are digital entrepreneurs, medical & pharmaceutical experts dedicated to ease the life of people with rare diseases. Our client gives a clear picture of how the patient is doing by providing patient-specific data without putting additional strain on the patient. Our project client aims to provide with more information and insight to facilitate care planning and possible treatment adjustments based on data-driven insights.


Be a pioneer from the beginning and join this international team as a:

Senior Backend Engineer (m/f/d)

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Your tasks

  • You will create and modify the endpoints of our API, and the Postgres database that sits behind it, so that our patient mobile app can meet the changing needs of our users.
  • You will lead the development of new features in our Physician Dashboard, a Rails web app with a simple but elegant, responsive UI
  • You will work with the Lead Engineer and wider team to establish and execute Continuous Delivery and Agile best practices, allowing our client to quickly deliver new features and fixes
  • You will play a leading role in team sessions such as planning, demonstrations, and retrospectives
  • You will help to hire and guide a Junior Backend Engineer who will work alongside you to deliver the tasks agreed each sprint.

Your qualifications

  • 3+ years experience with Ruby on Rails
  • 5+ years experience of professional web development with JavaScript (ES6), HTML
  • Experience with Ruby testing tools (RSpec, Minitest
  • Experience with test-driven development (TDD)
  • Experience with modern build pipelines and tools (we use Circle CI)
  • Experience building solutions on AWS (or any other cloud provider)
  • Drive to write your own tests (unit, functional and integration) and reviewing team members’ code
  • Desirable experience with profiling and optimising applications (memory usage, SQL queries, etc.)
  • Desirable experience with Docker
  • Great English communication skills – both written & verbal (German not required)
  • enthusiasm, engagement, positive attitude
  • to be able to work in teams, dynamic, open-minded
  • Structured, goal-oriented and cost-aware work ethic
  • autonomous, proactive, open to relationships and be able to manage themselves, and be able to get things done

Ihre Ansprechpartnerin

Beate Aschoff
Senior Personalberaterin


Optares Medical GmbH & Co. KG
Beate Aschoff
Heiligengeist Höfe 8
26121 Oldenburg