Software Development Engineer II

About the Company

Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Backed by Insight Partners, Kaseya supports customers in more than 20 countries and manages over 15 million endpoints worldwide.

Responsibilities

• Design and develop backend services and APIs for SASE control plane and gateway orchestration
• Build and maintain services using Go and PHP
• Implement and enhance Linux networking features including namespaces, veth, routing, and netfilter/iptables/nftables
• Orchestrate DNS, IPsec, WireGuard, VPN, and tunneling
• Contribute to platform modernization, including migration to lightweight Linux OS images and containerization (EKS/ECS)
• Improve performance, scalability, observability, and reliability
• Troubleshoot complex production issues related to networking, VPN, and distributed systems
• Collaborate with DevOps, Security, QA, and Product teams
• Mentor junior engineers

Requirements

• Strong professional experience with Go (Golang)
• Working knowledge of PHP or willingness to learn quickly
• Experience building APIs, microservices, and platform services
• Solid understanding of distributed systems and backend architecture
• Experience with PostgreSQL or MySQL
• Strong hands-on experience with Linux systems and internals
• Advanced Linux networking expertise (TCP/IP, DNS, IPsec, WireGuard)
• Ability to debug packet flow and system-level networking issues
• Experience with Docker and Kubernetes (EKS or similar)
• Familiarity with CI/CD pipelines and automation tools

Preferred Qualifications

• Experience in SASE, networking, or security domains
• Background as a Linux system administrator
• Knowledge of SDN, NFV, or virtual networking functions
• Exposure to security technologies such as NGFW, IDS/IPS, or DNS filtering