DescriptionQualitest group is looking for an Backend Developer who is proficient with Ruby on Rails to join our team in Bucharest as a part of our development center establishment for one of our clients.Your Responsibilities:Build, design, and analyze complex, highly concurrent and highly available production systemsOwn production systems that handle millions of requests and terabytes of information each dayTranslate business requirements into high quality codeMentor talented junior developers and be a technical focal pointRequirementsYour Qualifications:Bachelor's Degree in Computer Science (or equivalent)5+ years experience a hands-on experience with Ruby, Rails, or Go production systemsGood experience with cloud-based providers (AWS, GCP, Azure)Proven knowledge of designing and writing elastic, highly concurrent, scalable, cloud-based systemsExperience in adopting, learning, and teaching new technologies and programming languagesHigh standards for code quality, production stability, deployment process, performance, architecture, and testingExperience in working with Docker and Kubernetes is an advantageExperience in working with Kafka, or RabbitMQ is an advantageExperience in NoSQL databases and Spark is an advantage as wellBenefits Private health subscription + hospitalization package Private dental subscription Gym subscription Vouchers/bonuses for special events (birthday, Christmas, Easter, etc) Meal vouchers of 20 RON/working day (legal value) Ability to work with a global company and immerse in an variety international projects with different cultures within the IT industry. Access to cutting edge and state of the art technologies current with the everyday evolvement of technologies. Development opportunities with free access to over 3000+ training courses and peer to peer mentoring support