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

Published on29.06.2021
CompanySensorberg GmbH


We’re looking for a Mid-Level+ Ruby Backend Developer who enjoys technical IoT challenges.

You will work in a team with highly skilled developers and project managers under different IoT projects. We are probably the only company in the world running a ruby stack in the cloud and on our embedded linux based gateways. Sensorberg is committed to Ruby as a language to power our IoT solutions. And your tasks will be:

Build and maintain efficient, reusable, and reliable Ruby code for our cloud software and building embeded software
Collaborate with distributed team members in a Scrum/Agile development environment
Ability to translate complex business requests into working code
Help to maintain and improve code quality, organization and automation
Ensure the best possible performance, quality, and responsiveness of the applications
Identify bottlenecks and bugs, and devise solutions to these problems
Work with on cross-functional teams and collaborate with product management and software engineering teams to convert prototypes into enterprise grade applications
Contribute in all phases of the development following best practices
Follow software development best practices (test-driven development, continuous integration, SCRUM, refactoring, code standards)


3+ years project experience with Ruby on Rails
Good knowledge of Object Oriented Design and usage SOLID principles.
Event Driven Design.(Rails Event Store)
Different methods of authentication (Oauth, JWT o.A.)
GraphQL API development
Test Driven Development (rspec)
Git Flow
Basic Docker knowledge for development env
English communication skills


You have the unique opportunity to write code for our embedded linux gateways. Stability of the software is key. You will integrate with other systems over serial connections, bluetooth LE, zigbee, gpio.

Additional we offer unlimited access to quality coffee, a MacBook and whatever equipment you consider necessary for work and working with a great team on a huge business opportunity in an international work environment.

Who is Sensorberg?

Sensorberg GmbH, based in Berlin, develops hardware and software for the digitalization and automation of buildings. The proptech specializes in solutions for co-working spaces, commercial and residential real estate, and self-storage. Sensorberg installs access control systems and equips buildings with a comprehensive digital infrastructure, enabling simple and transparent control of all building processes via smartphone or tablet. Use cases include room booking, temperature control, the opening of lockers, visitor management, etc. The intelligent technology can be connected to all existing management systems. By evaluating the collected data, operators or owners can manage their buildings more effectively and efficiently. When implementing individually tailored building solutions, Sensorberg is able to fuse multiple manufacturers and access systems by connecting them to the open IoT platform

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