Software Engineering Specialist/NFT Lead
Core
Lead non-functional testing (performance, scalability, resilience) for high-load telecom products handling mobile calls, data sessions, and notifications.
Role type
Senior Non-Functional Testing Lead (Performance Engineering)
Builds
Telecom-grade software products for mobile operators
Domain
Telecommunications / Network Engineering
Required skills
Performance engineering, Distributed systems, Networking fundamentals (OSI model), Relational databases (SQL tuning), Linux internals, Diagnostic tools (tcpdump, thread/heap dumps)
Preferred skills
Telecom protocols (Diameter, SMTP, SMPP, CAP, MAP)
Technologies
Java, Linux, SQL, tcpdump
Responsibilities
Design and execute high-load test scenarios for calls, data, and notifications; Identify and analyze performance bottlenecks (CPU, memory, DB); Measure and optimize system behavior (throughput, latency, GC); Own and improve NFT tooling and automation; Collaborate with development teams on performance expectations.