Contributed to the development of the Telemetry Data Platform as a lead developer, managing approximately 200 services for a highly loaded real-time telemetry data pipelineSuccessfully migrated pipeline services and data from an on-premises cluster to an AWS cloud-based service, optimizing performance and stabilitySpearheaded the improvement of MacOS-based deobfuscation/symbolication servicesWrote specifications, estimated performance and costs, conducted sprint retrospectives, and… Show more Contributed to the development of the Telemetry Data Platform as a lead developer, managing approximately 200 services for a highly loaded real-time telemetry data pipelineSuccessfully migrated pipeline services and data from an on-premises cluster to an AWS cloud-based service, optimizing performance and stabilitySpearheaded the improvement of MacOS-based deobfuscation/symbolication servicesWrote specifications, estimated performance and costs, conducted sprint retrospectives, and played a key role in the interview and mentorship processesActively participated in on-call duty, emergency response, incident mitigation, and conducted incident retrospectives Show less

Provided technical leadership for a small team (4-6 employees), overseeing the design and implementation of user-facing and backend applications in the Loans domainPerformed tasks distribution, code review and mentoringLed the re-engineering of user-facing loan-related applications, simplifying and rewriting complex business logicIntegrated Hazelcast caching improving application load time and responsivenessDesigned, implemented and integrated information barrier service for… Show more Provided technical leadership for a small team (4-6 employees), overseeing the design and implementation of user-facing and backend applications in the Loans domainPerformed tasks distribution, code review and mentoringLed the re-engineering of user-facing loan-related applications, simplifying and rewriting complex business logicIntegrated Hazelcast caching improving application load time and responsivenessDesigned, implemented and integrated information barrier service for masking, encrypting and managing access to sensitive corporate loan information Developed a subsystem for regulatory reporting, integrating with multiple applications Show less

Domain-wide bi-temporal trade storage solution for risk calculators. In-memory data grid with highly parallel access (~2 mil cores)Provided integration between bank critical risk calculators and trade storage solution, management of requirements and FSDDesigned and implemented APIs for data access, management, and housekeeping, development of Java client and Kafka consumersOnboarded and integrated monitoring solutions for cluster health and performance Carried out… Show more Domain-wide bi-temporal trade storage solution for risk calculators. In-memory data grid with highly parallel access (~2 mil cores)Provided integration between bank critical risk calculators and trade storage solution, management of requirements and FSDDesigned and implemented APIs for data access, management, and housekeeping, development of Java client and Kafka consumersOnboarded and integrated monitoring solutions for cluster health and performance Carried out responsibilities of IT Application Owner: coordinating hardware onboarding, decommission, fulfilling and ensuring regulatory information security and capacity requirementsInvestigated and fixed complex performance problems for distributed in-memory data storage SL3 support including solving critical incidents and deployment on different locations Provided smooth international transition of project from one development center to another Show less

Bank’s largest risk calculator. Massively distributed Java based batch processing system calculating risk numbers using different trade and market data sources

Online multiplayer poker game. ~10,000 players online. Solely responsible for design and development of scalable server for highly interactive social online games: persistent database storage layer, network protocol development, social network integration, payment processing, tools for monitoring and support.

Highly interactive mass multiplayer online game. ~10,000 players online. Developed and supported multiple core game server modules: movement and battle subsystems, in-game players’ communication. Performed low-level JVM tuning and application profiling.

Consulting on the administration and use of SAS software Installation and configuration of SAS software on the customer’s side; Modification and optimization of SAS applications to meet customer’s needs

Web development