Staff Software Engineer

Staff Software Engineer — Vertex Cloud Systems

Seattle, WA | January 2021 – Present

• Architected and built a high-throughput event-driven ingestion pipeline using Go and Apache Kafka, processing 4.2B events daily and reducing processing latency by 32% under peak load.
• Led a cross-functional team of 8 engineers to migrate a legacy monolithic platform to Kubernetes-orchestrated microservices on AWS, reducing infrastructure costs by 26% over 12 months.
• Optimized PostgreSQL database performance through partition execution and indexing updates, reducing average API response times by 38% for 15M monthly active users.
• Automated CI/CD deployment pipelines using GitHub Actions and Terraform, reducing production release deployment times by 45% and eliminating manual configuration errors.

Senior Software Engineer — Nova Retail Solutions

Bellevue, WA | August 2015 – December 2020

• Designed and implemented a distributed caching layer using Redis and Java Spring Boot, reducing database read load by 40% and improving page load times by 1.2 seconds.
• Built an automated monitoring and alerting system using Prometheus and Grafana, reducing production incident identification and response times by 35% across 22 microservices.
• Refactored the application checkout flow and payment gateway integrations, which increased successful checkout transaction rates by 14% and saved $65,000 in monthly payment processing fees.
• Mentored 5 junior and mid-level software developers, leading weekly design reviews and pair-programming sessions that reduced team onboarding time by 30%.

Go, Java, Python, SQL, Kubernetes, Docker, AWS, Terraform, Apache Kafka, Redis, PostgreSQL, Prometheus, Grafana, Git, CI/CD, Distributed Systems, Microservices, Agile

Distributed Ingestion Engine

Role: Lead Systems Architect

Tools: Go, Apache Kafka, Kubernetes, AWS, Prometheus

Architected a custom data ingestion engine that scaled to handle 5B daily requests with 99.99% uptime, reducing data pipeline infrastructure costs by 28%.

API Gateway Migration

Role: Lead Software Engineer

Tools: Go, gRPC, Terraform, Envoy

Led the migration of 40+ microservices to a centralized Envoy API Gateway, which reduced service-to-service communication latency by 22%.

• AWS Certified Solutions Architect - Professional (2024)
• Certified Kubernetes Administrator (CKA) (2022)
• Oracle Certified Professional: Java SE 17 Developer (2021)

• Languages: English (Native), Ukrainian (Conversational)
• Volunteer Work: Technical mentor for local underrepresented youth coding bootcamp (2022-present)
• Availability: 4 weeks notice