DevOps Engineer

• Set up and maintained a Binance Smart Chain full node handling 5K requests/day, reducing RPC latency by 100 ms and improving high availability. • Enhanced a cryptocurrency exchange platform with secure wallet integrations and on-chain transactions, maintaining 99% uptime. • Integrated MCP with GitLab to enable AI-assisted pipeline management and code review, reducing manual overhead on routine repo operations. • Eliminated manual server configuration by implementing Ansible automation, reducing configuration time by 80%. • Reduced incident detection time by 2x by connecting Prometheus, Grafana, and ELK to AI assistants via MCP for plain-language infrastructure querying. • Boosted security by using AWS WAF to prevent DDoS attacks and IAM hardening to control access to AWS services. • Scaled n8n to 1K+ requests/s and integrated LLM-based workflows to automate operational decisions, dropping response time from 3 min to 1 min.

• Managed Kubernetes clusters via Helm & Argo CD, maintaining 99.9% uptime for production workloads. • Achieved zero-downtime deployments using the Blue-Green strategy during the new version of the app release. • Reduced server configuration and deployment of an application from hours to less than 30 minutes with Ansible and GitLab CI. • Managed multiple blockchain products, including the crypto payment gateway and the smart contract-based investment platform, achieving 99% availability. • Enhanced infrastructure security and cost optimization by migrating to a private network setup with a secure public gateway on Proxmox, lowering IP-related costs by 30%.