Junaid Riaz

/**
* High-Performance Systems Expert with 12 years of experience.
* Specializing in C/Golang and low-level optimization.
* Proven track record of reducing infrastructure costs (98% memory reduction).
*/

• Led migration of monoliths to Dockerized Golang microservices serving 5M+ subscribers[cite: 5].
• Designed PCRF and VAS SDP using Golang, gRPC, and Goroutines[cite: 15, 16].
• Developed NGP platform on top of LibUV, achieving 4x performance boost[cite: 20].
• Architected Revenue Assurance System and managed OCS deployment for 6+ operators[cite: 22].

• Bridge between Clients, Ops, and R&D; translating RFPs into technical specs[cite: 8].
• Manage full SDLC for BSS/OSS products and cross-functional team alignment[cite: 9, 11].
• Established formal release SOPs (Dev -> Staging -> Canary -> Prod)[cite: 14].

• Architected 3GPP OCS/AAA from scratch in C using async LibUV[cite: 28].
• Optimization: Re-engineered Oracle connector to slash memory from 22GB to 300MB[cite: 3, 31].
• Integrated Google TCMalloc reducing CPU usage by 40%[cite: 3, 32].
• Mentored team of 3 engineers and managed sprint planning[cite: 35].

• Developed MFS (Mobile Financial Services) core handling 10M+ daily transactions[cite: 41].
• Implemented 600+ money transfer flows and robust authentication (2FA)[cite: 39].

• Ported Valgrind (DBI framework) from x86 to Cavium MIPS-based Linux (Octeon SDK)[cite: 43].
• Implemented assembly instructions and syscalls for N64 ABI[cite: 44].