Senior Java Developer

Fortinet•Sunnyvale, CA

10h•$150,000 - $183,000

About The Position

Fortinet (NASDAQ: FTNT) secures the largest enterprise, service provider, and government organizations around the world. Fortinet empowers its customers with intelligent, seamless protection across the expanding attack surface and the power to take on ever-increasing performance requirements of the borderless network - today and into the future. Only the Fortinet Security Fabric architecture can deliver security without compromise to address the most critical security challenges, whether in networked, application, cloud or mobile environments. Fortinet ranks number one in the most security appliances shipped worldwide and more than 500,000 customers trust Fortinet to protect their businesses. We are committed to providing reasonable accommodations for all qualified individuals with disabilities. If you require assistance or accommodation due to a disability, please contact us at [email protected]. Fortinet is an equal opportunity employer. We value diversity in our company, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, military/veteran status or any other applicable legally protected characteristics in the location in which the candidate is applying.

Requirements

5+ years of professional Java development experience.
Deep understanding of networking concepts (TCP/IP, VLANs, SNMP, DHCP, NAT, routing, switching).
Experience with device-level communication protocols: SNMP, Radius, CLI automation (e.g., via SSH/Telnet).
Strong understanding of multi-threading, concurrency, and memory management in Java.
Experience working with network management systems (NMS) or network configuration tools.
Familiarity with microservices architecture, Spring Boot, containerization (Docker, Kubernetes), relational and in-memory data stores (SQL/MariaDB, Redis), RPC frameworks (gRPC), and ORM technologies (Hibernate).
Proficiency with Git, CI/CD tools, and automated testing frameworks.
Excellent problem-solving, communication, and collaboration skills.

Responsibilities

Design, develop, and maintain Java applications and services that interface with networking hardware.
Develop APIs and SDKs for interacting with network devices using SNMP, Radius, REST, or proprietary protocols.
Implement device discovery, configuration management, telemetry collection, and monitoring features.
Optimize application performance for real-time device communication and data processing.
Collaborate with network engineers to understand hardware capabilities and protocol specifications.
Write robust unit, integration, and performance tests.
Lead code reviews, mentor junior developers, and contribute to architecture discussions.
Ensure the security and reliability of applications handling network device communications.
Design and maintain core platform services such as policy enforcement, authentication and authorization (including SSO), scheduling, certificate management, events and alarms, and other system-level capabilities.
Troubleshoot and resolve complex networking and software issues.