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Niche telecom SIP expertise and senior level reduce applicant competition.
Highly domain-specific telecom and SIP expertise limits transferability across industries.
Explicit 8+ years plus many mandatory technologies (Golang, C++, SIP, ZeroMQ, gRPC) makes filtering highly strict.
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Design and architect high-throughput stateless SIP microservices in Go achieving 5,000+ TPS and sub-15ms latency.
Implement protocol translation layers converting SIP-over-TCP/TLS to SIP-over-ZeroMQ for internal services.
Engineer concurrency models with ZeroMQ socket pooling and thread-bridging to avoid mutex bottlenecks and ensure thread safety under load.
8+ years of industry software engineering experience.
Proficiency in Golang (preferred) and C++/C programming languages.
Strong knowledge of SIP/VOIP and telecom protocols; expertise in distributed systems, concurrency, stateless proxies, and FSM.
Experience with networking/messaging protocols (gRPC, RabbitMQ), distributed databases (Apache Ignite, GridGain), and persistence/caching solutions (PostgreSQL, Redis, ElasticSearch).
Experienced in designing and operating mission-critical, high-throughput telecommunications microservices environments.
Comfortable working on distributed, multi-threaded systems requiring concurrency optimization and advanced protocol integrations.
Ability to collaborate with network and infrastructure teams on load balancing, DNS configuration, and distributed tracing implementation.