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Radiant Digital is looking for a Kubernetes Engineer to build high-performance, scalable, and resilient infrastructure solutions. The ideal candidate will possess expertise in Kubernetes, CI/CD principles, and have a solid background in Linux internals. You should also be familiar with microservices and cloud-native applications, possessing a passion for open-source development. Development skills in at least one of Python, Go, Ruby, or JavaScript are essential. If you're an engineer with such technical experience, we'd love to hear from you!

Adsearch is looking for a Lead Developer Ruby on Rails (H/F) to join a software editor in Grenoble. Your responsibilities will include guiding a small team of developers, participating in all phases of the development cycle, interpreting client needs, designing and maintaining secure web applications, collaborating for functional and technical analysis, engaging in code reviews and testing, managing existing applications, integrating standard development tools such as Docker and Gitlab, and documenting your code. Knowledge of Ruby on Rails is essential, alongside leadership skills.

Sorcer Ruby is looking for a Senior Ruby on Rails Engineer. The role requires a minimum of 5 years experience in Ruby and familiarity with Front end Rails (Hotwire/Stimulus/Turbo) is desired. The ideal candidate will work in a hybrid model, attending the London office 2-3 times a week.

Adsearch is looking for a Développeur Ruby On Rails PHP Symfony H/F to join a software company based in Nice. In this role, you will participate in all stages of the development cycle, interpreting client needs, designing and maintaining secure web applications, collaborating with team members, reviewing code, and integrating standard development tools like Docker and Gitlab. A strong background in Ruby On Rails or Symfony is essential to succeed in this position.

Sorcer Ruby is looking for a Senior Ruby Developer with at least 5 years of Ruby experience. This role involves leading a small team and working on developing and maintaining applications using Ruby on Rails in a hybrid environment, requiring you to be in the London office 2-3 times a week. Front end experience is essential for this position.

Die Deutsche Bundesbank ist auf der Suche nach einem CI/CD Senior Expert (m/w/d), der verantwortlich ist für die Arbeit in Cross National Teams und den Aufbau sowie Betrieb der Infrastruktur des Digitalen Euros. Zu den Hauptaufgaben gehören die strategische Weiterentwicklung und Verantwortung für die CI/CD-Pipeline sowie die kontinuierliche Analyse und Evaluation der Automatisierung der Build-, Test- und Deployment-Prozesse. Der Kandidat sollte über hervorragende Kenntnisse in Containerisierung, CI/CD-Tools, Cloud-Infrastrukturen und Skriptsprachen verfügen.

horizoom GmbH is looking for a Software Engineer Rails / Vue to join our dynamic team focused on developing a comprehensive online access panel for the German survey market. In this role, you will be engaged in backend development while contributing to the overall tech efforts with opportunities in frontend, data pipelines, and infrastructure. You will enhance our Panel Management Software by extending the Ruby on Rails backend and participating in UI/UX work on our Vue/Nuxt app. We're looking for someone with at least 2 years of experience and a strong command of Ruby on Rails, along with familiarity in frontend frameworks such as Vue/Nuxt or React.

Copper is looking for a Staff Software Engineer to join one of our product development teams. You will drive the design and implementation of scalable SaaS solutions while mentoring fellow software engineers. Required skills include expertise in Ruby on Rails, deep knowledge of distributed systems, and excellent communication skills.

RENATER is looking for a System Messaging Administrator (F/H) to join their operations department. The candidate will contribute to the performance improvement of the messaging services, participate in the daily operations, and evolve existing services, which include the PARTAGE platform, anti-spam service, and mailing list services used by the entire ESR community (universities and research organizations). Required skills include general mastery of system administration under Linux, knowledge of performance measurement solutions and monitoring tools like Prometheus/Grafana/Nagios/LibreNMS, automation and scripting skills (bash), programming languages (PHP, Perl, Python, Ruby), and proficiency in technical English.

Copper is looking for a positive, customer-oriented Staff Software Engineer to join one of our product development teams. You will act as a Technical Lead on projects, guiding architectural decisions and mentoring other engineers. Your contributions will improve features for our CRM while advancing the overall technology platform through collaboration with a cross-functional team.