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Senior Backend Engineer (f/d/m) Ruby on Rails

icon building Unternehmen : Raisenow
icon briefcase Auftragstyp : Vollzeit
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Arbeitsbeschreibung - Senior Backend Engineer (f/d/m) Ruby on Rails

Please note: The part-time scope is 80-100%. You can use our office in Berlin or work completely remotely within Germany.

You want to use your Ruby on Rails experience for a good cause? You want to contribute to a product that makes a difference? You want to play a key role in our development team to drive the growth of Koalect by RaiseNow, an innovative Tech4Good company?

As Senior Backend Engineer (f/m/d) in our team you will improve and extend our product with end-to-end responsibility. You are involved in everything from research, coding, testing and deploying to documentation.
  • Design, development and maintenance of our Koalect services
  • Technical (and related product) research for extending the current set of features on Koalect services 
  • You share your findings with other team members, including documentation
  • Operational tasks in keeping Koalect stable, incl. monitoring and On-Call duty (additionally compensated)
  • Cross-Team coordination to bring new features live
  • Ensure code quality by performing code reviews and coaching junior team members
  • Educate the team about your experience, by creating learning paths & organising knowledge sharing sessions
  • Maintenance and improvement of the AWS infrastructure to ensure availability of the services in a DevOps mindset
  • Proficiency in the ecosystem of Ruby on Rails
  • Knowledge of RESTful APIs and event-driven systems (designing and reasoning)
  • Proficiency in AWS (EC2, ECS, EBS, RDS) and ER database systems like PostgreSQL
  • Good knowledge of docker and docker compose
  • Familiar with unit and functional testing as well as code reviews, git workflows, and continuous delivery approach
  • Fluent in written and verbal English (at least C1)
  • Striving for simplicity and when it’s not possible, keeping an eye on the devil in the details
Nice to have:
  • Knowledge with Bitbucket CI pipelines
  • Experience in server administrations (linux), bash scripting
  • Familiarity with security concerns in AWS
  • Ruby 3.2.2
  • Ruby on Rails 7.2 (moving to 8 Q4 2025)
  • Cucumber for functionals behaviour driven tests
  • PostgreSQL 13 (master/master for replication), Redis
  • ELK stack
  • Docker containers for CI/CD, dev and production
  • CI/CD on bitbucket pipelines
  • Services are hosted on AWS: ElasticBeanstalk, SQS, S3, lambda, EC2, RDS, ElastiCache, Route53, CloudFront 
  • Vue.JS 2/3
You’ll become an expert in Koalect concepts. In particular 
  • How to develop software at a large scale - reliably and securely
  • Working in a cross-functional team (front and back end)
  • A future-oriented job in a meaningful environment with an international team
  • Enjoy flexibility around your working time and place: We offer flexible work schedules with annual working time as well as temporary working abroad options all in a remote first setup
  • 5 weeks paid annual leave plus additional PTO days per year with RaiseNow + your birthday as PTO
  • We know that time is precious: We’re part of the pledge 1% initiative, offer sabbatical options and yearly educational leave for everyone
  • The perks of joining a scaleup: short decision paths, transparent communication and regular team events + one workation per year to meet all colleagues in one spot 
  • An innovative working environment with a culture of transparency, trust, and mutual respect
  • Project autonomy and space for personal development from the beginning
Original job Senior Backend Engineer (f/d/m) Ruby on Rails posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
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