Senior Software Engineer

Job Description

As a Senior Software Engineer in the Control Plane team, you will own the design and development of critical backend components that operate at telco scale. Your work will drive subscriber awareness, policy mapping, event reporting, and streaming integration across Gx/Gy and RADIUS interfaces. We’re looking for someone with deep expertise in C++ and Go, a passion for building efficient, low-latency systems, and a proven track record of delivering robust, scalable infrastructure.

Responsibilities

• Design and own backend modules within the Control Plane (REST servers, SOAP servers, signaling handlers, flow orchestrators)
• Implement highly available services with robust retry and failover strategies
• Guide technical decisions around data structures, message queues, and streaming
• Review and mentor other engineers, lead design reviews, and own component roadmaps
• Collaborate with architects and product leads to align infrastructure with DPI goals
• Optimize memory and compute use to ensure real-time responsiveness of control flows
• Experience with Linux network and system programming in C
• Understand IP networks (L3+ protocols, NAT, VPN, TLS concepts) and experience with protocol analyzers (e.g., Wireshark).
• Collaborate with the engine team to ensure optimal interaction between the engine and the control module.

Qualifications

• Bachelor's or master's degree in a technical field or equivalent practical experience
• 6+ years of experience building large-scale backend systems in C++ and Go
• Strong foundation in algorithms, data structures, and concurrency
• Experience with high-throughput, low-latency systems in telecom, networking, or related domains
• Proven experience in system performance tuning and troubleshooting in production
• Experience working with Kafka, Redis, Docker, and microservices
• Deep understanding of telco protocols (Diameter Gx/Gy, RADIUS, PCRF)
• Experience with stream processing, distributed locking, or sharded caching Familiarity with observability tools (Prometheus, Grafana) and production hardening techniques
• Experience leading initiatives across teams and mentoring junior developers
• Working with agile methodologies (SCRUM, KANBAN)
• Hands-on experience with Linux as development environment