Backend DPI Engineer – High-Performance Packet Processing

Job Type: Full-time/Contract

Work Model: Hybrid workplace with flexible on-site time

Key Responsibilities:

• Develop and optimize DPI libraries for traffic classification
• Analyze network protocols (TCP/IP, UDP, HTTP, etc.)
• Debug low-level C/C++ code for packet processing
• Ensure scalability and robust error handling
• Implement unit and integration tests
• Validate DPI accuracy using PCAP-based testing

Requirements:

• 5+ years of experience in C/C++ programming
• Memory optimization and performance tuning skills
• Deep understanding of DPI, network protocols, and packet processing
• Experience with Linux internals
• Debugging and profiling tools expertise
• Knowledge of DPDK and high-speed packet capture techniques

Nice to Have:

• Experience with gRPC
• Knowledge of message queue systems (RabbitMQ, Kafka)
• Familiarity with Kubernetes and Docker
• Experience with observability tools (Prometheus, VictoriaMetrics)