Alexander Zakhvalinskiy
Java Tech Lead @Ecom.Tech
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WORK HISTORY
Java Tech Lead @Ecom.Tech
Tech LeadTechnical Lead for a product team (PdM, BA, SA, DEV BE, DEV FE, QA). Focus area: logistics order processing.Key Achievements:Designed the component structure of the system (microservices), selecting databases and communication models (Kafka), ensuring scalability to handle order growth.Developed and implemented a monitoring and alerting system (Prometheus, Grafana, VictoriaMetrics) for technical and business metrics, significantly reducing incident detection time.Organized and conducted load testing for key scenarios; optimized bottlenecks, increasing system throughput by 200%.Configured and migrated services from legacy infrastructure to a new target environment using GitOps (ArgoCD).Established code review processes and regular one-to-one meetings, improving code quality and awareness of team atmosphere and morale.Introduced weekly development team sync meetings for sharing new knowledge and company news, increasing team engagement, awareness, and understanding of their role in achieving results.Implemented release preparation and execution rules within the team, systematizing the release rollout procedure and response to post-release issues.Technologies: Kotlin, Java 17, Spring Boot 3 (Data, Security, Kafka, WebFlux), PostgreSQL (Patroni, pgBadger), Redis, KeyDB, Kafka, Kubernetes, Helm, ArgoCD, Prometheus, Grafana, GitLab CI, Hazelcast, Kibana, Elastic Search, Victoria Metrics, Victoria Logs, Zabbix, Allure TestOps, Docker, Rancher, GitOps, Harbor, Nexus, Vault, GitLab Registry, GitLab Secrets.
EDUCATION
Belgorod Shukhov State Technology University
Bachelor of Engineering (B.E.), Computer Science
SKILLS
ABOUT ALEXANDER ZAKHVALINSKIY
Russia, Belgorod, Tech lead of development team
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