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Tier-1 brand, Bangalore location, senior role with specialized SIP skills yields moderate candidate competition.
High — telecom SIP and specialized messaging/database requirements limit cross-industry portability.
Strict: explicit 8+ years, mandatory telecom SIP, Go/C++, and distributed systems expertise required.
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Design and develop high-throughput, stateless SIP microservices 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 and distributed state/security mechanisms including automated cryptographic key rotation and multi-layer throttling for reliability.
8+ years of industry experience.
Strong proficiency in Golang (preferred) and C++.
Deep knowledge of SIP/VOIP and telecom protocols, distributed systems, concurrency, and networking protocols like gRPC and RabbitMQ.
Experience with distributed databases (Apache Ignite, GridGain) and persistence/caching solutions (PostgreSQL, Redis, ElasticSearch).
Experienced in building mission-critical, high-throughput, low-latency distributed microservices in telecom domain.
Skilled in advanced concurrency control and multi-threaded message passing under heavy load.
Able to collaborate with network and infrastructure teams to integrate complex routing, tracing, and security features.