Senior Java/ Kotlin Architect & DeveloperAs a Senior Java/ Kotlin Architect & Developer you are responsible for architecture and design decisions and actively contribute to the further development of our Integrations application.Here, you can scale new heights: on the international market and in Switzerland, Helvetia Specialty Lines offers tailor-made insurance cover for transport, aviation, space, art and technology. So we can promise you: you will certainly not get bored here! Will you take up the challenge?Your resonsibilityFurther (front and backend) tailor-made, but also pragmatic development of our software solution based on R3 Corda Distributed Ledger TechnologyCollaboration with technical experts - internally in our team as well as externally with our customers - also in an international environmentRecording and evaluation of functional & technical requirementsCreating and making architecture and design decisionsEnsuring that our development team and our customers have a common understanding of the architecture, technical functionality and integration possibilities of our Integrations application.Active participation in code reviews and quality assurance to ensure that standards, some of which need to be redefined, are adhered toIdentifying risks and vulnerabilities in the architecture and design of our software solution and developing solutions to address themMentoring and training - internally and with our customers - to ensure that our Integrations application can be smoothly introduced and integrated into our customers' IT landscapeDevelopment, customization and connection of new interfaces from our integrations application to customers and/or external third-party platforms and vice versaSecond and third level support together with our business & technical teamYour qualificationHigh interest in the further development of a software solution based on R3 Corda Distributed Ledger Technology (Blockchain)Experience in architecture and design of complex software applicationsProven expertise in software development with Java, preferably KotlinYou are familiar with Jenkins and preferably also with JUnit and HibernateExperience in front-end and back-end developmentKnowledge of TypeScript and Angular is a plus but not a must-haveInterest in working with technical experts to jointly take up requirements and develop technical solutions for themYou tackle challenges without reservation, demonstrating high expectations of your own performanceYou are able to develop strong, stable relationships with internal and external clients and orient your own behavior rigorously to their needsProficiency in English is a must, Spanish would be advantageous