Senior Backend Engineer

About Josys Josys is a modern AI-native identity security and governance platform. Enterprise AI adoption has made identity the fastest-growing attack surface, and the hardest to govern. Josys discovers, governs, and secures every identity — human, machine, and AI agent — across every application in the enterprise, allowing security and IT teams to surface risk, control access, and remediate identity threats in real-time. Trusted by over 1,000 organizations and MSPs worldwide, Josys turns identity from the fastest-growing attack surface into an autonomously governed advantage. For more information, visit josys.com . About The Role We are looking for a skilled Senior Software Engineer with hands-on Ruby on Rails expertise to join our team. The successful candidate will be responsible for developing and maintaining the back-end infrastructure of our B2B SaaS product. The ideal candidate should have a strong understanding of software architecture, database design, and server-side programming languages. Additionally, the candidate should have experience working with cloud-based infrastructure (AWS, preferably) and be able to develop highly scalable and secure systems. Key Responsibilities: Collaborate with the development team, product managers, and designers to understand business requirements and contribute to technical specifications and software solutions. Assist in designing, developing, testing, and deploying back-end components of web applications. Work with front-end engineers to develop APIs that facilitate smooth data flow and system interoperability. Optimize code, conduct testing, and following best practices to ensure the reliability, performance, and security of the application. Learn and contribute to the development and maintenance of cloud-based infrastructure, preferably using AWS, ensuring scalability, high availability, and disaster recovery. Collaborate with cross-functional teams to ensure successful product launches and provide support when needed