Виправила Our Customer: A global product company in the cybersecurity domain, focused on helping organizations identify and reduce identity-based risks across modern IT environments.Your tasks:Own and maintain backend services written in C# that power high-scale data ingestion and real-time security analysisWork with a complex codebase utilizing semi-functional programming principles to ensure reliability and correctness of security detectionsAnalyze and resolve complex technical issues, including deep debugging of multi-threaded systemsParticipate in live troubleshooting sessions with enterprise customers, providing hands-on technical supportImplement improvements and custom solutions tailored to specific customer environments and architectural needsContinuously optimize system performance for high-throughput data processingRequired experience and skills:5+ years of backend development experience with strong focus on C# and .NET ecosystemSolid expertise in building and maintaining high-load, scalable backend systemsStrong debugging skills in complex, multi-threaded environmentsUnderstanding of functional programming concepts (immutability, pure functions, etc.) or willingness to work in such paradigmsExperience with identity systems such as Active Directory, LDAP, or cloud identity providers (e.g., Azure AD / Entra ID)Experience with performance optimization of data processing systemsAbility to communicate directly with customers and lead technical discussionsStrong analytical thinking and problem-solving skillsUpper-Intermediate+ English (for direct communication with global clients)Would be a plus:Background in cybersecurity or security-focused productsExperience working with enterprise-level, customer-facing support scenariosFamiliarity with distributed systems and real-time data processing architecturesWorking Conditions:Remote work5-day working week, 8-hour working dayВідгукнутись на вакансію