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Senior Software Engineer
Senior Java Engineer at Aspira.global who optimized real-time data services and built FinTech payment systems.
UkraineSenior Software Engineer at Aspira.global
Senior engineer on a distributed Java platform collecting and normalizing high-volume data from 40+ external sources in real time. Diagnosed and resolved production performance issues and runtime stability defects in long-running Kubernetes services.
JavaSpring BootRedisLiquibaseKubernetesHelmGrafanaLokiVisualVMDistributed SystemsReal time Data Processing
Maintained and evolved a large monolithic production platform and drove its gradual decomposition into microservices. Sole owner of end-to-end integrations for three new advertising platforms (LinkedIn, TikTok, Instagram Ads).
JavaSpring FrameworkRabbitMQKafkaKubernetesJenkinsGitHub ActionsMicroservicesIntegrationCode ReviewMentorship
Built the card transaction limits system from scratch with real-time enforcement and rollback handling. Integrated and maintained card payment processing via a payment provider (Visa/Mastercard) and contributed to SEPA payments implementation.
JavaPayment ProcessingVisaMastercardSEPATransaction LimitsREST APIs
Prepared a Proof of Concept for 24/7 bank payments for Raiffeisen Bank Aval.
ArchitectureProof of ConceptBankingPayments
Migrated core banking logic from Oracle/PL/SQL to a PostgreSQL-based Java service. Built a mass payments system for bulk salary disbursements and designed REST APIs for web and mobile banking.
JavaPostgreSQLOraclePl SQLSpring SecurityOAuthJWTSSOHibernateJPALiquibaseREST APIs
Worked on an IntelliJ-based IDE for the Salesforce platform and implemented integration with the Salesforce API for retrieving platform objects.
JavaIntelliJ Plugin DevelopmentSalesforce API
Built the first version of a Docker plugin for IntelliJ IDEA, adding UI support for Docker Compose and a tree view of containers and images. Developed site-specific parsers for a data-scraping system.
JavaIntelliJ Plugin DevelopmentDockerDocker ComposeData Scraping
Studied Radiophysics at Donetsk National University from 2000 to 2005.
Studied Radiophysics at Donetsk National University from 2000 to 2005.
Profile sourced from Himalayas.