Cato Networks is the converged network and security cloud for the AI era. As AI reshapes cybersecurity, enterprises face a dual challenge: unlocking AI’s potential while defending against AI-driven attacks. Cato addresses both through a unified, cloud-native platform, providing the visibility and context to prioritize risks and stop threats in real time across users, applications, data, and AI agents. Join us as we scale: take on ambitious technological challenges and shape the next generation of enterprise security at a company trusted by thousands of organizations worldwide. We seek an experienced Senior Software Engineer to join our team in Prague, Czech Republic. In this key role, you will develop cloud-based networking and security management solutions, working on new products and features that directly impact our customers. You will also be responsible for building microservices in near real-time environments as part of a dynamic scrum team. Key Responsibilities: Software Development : Implement scalable, stable, and secure coding patterns. Develop high-scale microservices with near real-time performance and contribute to Cato’s web application through backend and full-stack development. Code Reviews : Ensure quality, test coverage, and security in code reviews. Technical Specifications : Understand the architecture and connected features of solutions. Architect end-to-end solutions for complex features, document trade-offs, and provide feedback on specifications. Support/On-Call Rotation : Respond to outage incidents and troubleshoot security issues. Technology Stack: Java, Spring Boot AWS (SQS, KMS, DocDB, S3), Microservices, Kubernetes, Docker, Kafka, PostgreSQL, MongoDB Golang, TypeScript, React Requirements: 5+ years of backend development experience with proficiency in Java and Spring Boot. Proven experience in high-performance environments and benchmark evaluation. Expertise in architecture, design, and development of complex web applications. Experience with microservices, Docker, Kubernetes, Grafana is a strong advantage. Familiarity with SaaS/Cloud-based infrastructure (AWS, GCP, Azure) is an advantage. Experience with web development using Go and GraphQL is a plus. Strong team player with excellent collaboration skills. Self-learner with the ability to acquire new skills and technologies quickly. Motivated, fast learner, independent, and adept at problem-solving. BSc in Computer Science from a recognized university. Dev Lifecycle: You’ll receive spec definitions from Product Management, you’ll review the spec and work on a suitable design , and once ready you’ll conduct a Design Review meeting. Having the design approved, you’ll write great code, build and deploy your artifact to k8s, and test it. You’ll make sure the feature can be monitored , having metrics and alerts defined. About App Security Group: This group provides security & visibility for SaaS applications being used by organizations (i.e. used by Cato’s customers). We are doing it by integrating with these 3rd party vendors ( like Salesforce, Slack, ServiceNow, Dropbox etc.) using their public APIs, fetching data on various activities (sign-ins, sharing, exporting etc.) and bringing it into Cato platform, enforcing relevant security policy in supported apps. We’re expanding our capabilities by designing & building an infrastructure that will allow us to accommodate a large scale of applications and support additional use cases brought up by Cato’s product team. *We operate in a hybrid model, requiring three days in the office. *Location: NR7, Náměstí republiky, Prague, Czech Republic.