HN Jobs

HRS Innovation Hub | Backend Developer | Berlin, Germany | On-site | Full Time | https://jobs.hrs.de/en/jobs/job/217007/Backend_Developer_Jav... The HRS Innovation Hub delivers integrated solutions to the three business areas of the HRS Group: Business Travel Solutions, Enterprise Solutions and Hotel Solutions. Our international team is cross-functional and comprised of experts in the fields of Agile Product Management, Software Engineering, UX/UI Design and IT Operations. All products created by the Innovation Hub are being hosted in the Amazon Web Services cloud and make use of state of the art technologies such as Java, ReactJS, NodeJS, REST APIs and GraphQL. Must have: * Working experience in more than one company or more than two projects * Strong competence in the development using general purpose programming languages - Java * Experience with the development of web applications and related services served by Unix/Linux based environments * Good understanding in designing, analyzing and troubleshooting large­-scale distributed systems * In-­depth knowledge of operating systems (processes, threads, concurrency issues, locks, mutexes, semaphores, monitors and how they work