• Designed and implemented event sourcing-based solution in Go to record payment transactions logs, using Kafka as message bus, Redis and MongoDB to persist data
• Building Event Sourcing and CQRS system for payment transaction processing
• Designed and implemented software release automation tools with Jenkins CI/CD system to meet GitFlow workflow
• Architected and implemented payment transaction status notification solution
• Led and implemented payments system transaction changelog with Big Data Spark platform using Go, Kafka and Kubernetes
• Contributed to Java regression tests
• Designed and implemented performance soak and spike tests on Kubernetes using Go vegeta library
• Coordinated technical direction of teams in Payments domain as a Solutions Software Architect
• Contributed to company internal Golang libraries
• Led and coordinated internal Golang developers group meetings and direction
• Golang application monitoring with Prometheus, Grafana, Kibana and Opentelemetry (OTEL)
• Detected and solved memory leak issues
• Optimized Go applications CPU throttling and usage using pprof
• Working in a scrum team