Oleksandr Knysh

GoReel is a game developer with its own ecosystem of tech solutions based on Kubernetes

Building a highload platform for running applications and analytics based on Kubernetes. Certification - SOC2, ISO 27001

Managing a team of 3-4 people

• Tech stack: Python, Javascript
• Infrastructure: AWS (EC2+kops+kubernetes, SQS, SNS, Firehose, Glue, Athena, S3) + SSO Duo. More ~ 2000 EC2 instances with big amount production kubernetes clusters
• Storage solutions - k8ssandra operator, Zalando PostgreSQL operator, ES operator, KeyDB operator
• Traffic&DNS: Cloudflare, Nginx-ingress Controller, Istio
• CI/CD: Gitlab CI/CD, Jenkins, Atlantis
• DevOps toolstack: terraform, ArgoCD, helm, external secerts
• Logging & Monitoring: EFK stack (ES+Fluentd+Kibana), Victoria Metrics, Grafana, OpsGenie

Building an B2B platform (Healthcare domain) for managing insurance claims in the medical industry USA. HIPAA Compliance

• Tech stack: Python, Golang, Javascript
• Infrastructure: AWS (EKS, AWS RDS - PostgreSQL, S3, AWS Managed RabbitMQ) + SSO Okta
• Traffic&DNS: Cloudflare
• CI/CD: Gitlab CI/CD, Jenkins
• DevOps toolstack: terraform, ansible, helm, helmfile, vault
• Logging & Monitoring: Loki (S3), Prometheus (Victoria Metrics), Grafana, PagerDuty

Highly loaded B2B project for gambling. Analytical platform. Counteraction to locks. Project - cryptowallet, payment system (https://naspay.com/). Support from Dev to Prod - all envs

• Docker swarm cluster multi region
• Kubernetes (AWS EKS + Skaffold)
• Apache Kafka event streaming cluster
• RabbitMQ cluster
• Elasticsearch cluster (multinode)
• PGSql & MariaDB cluster (master-slave only)
• ELK stack - for log aggregation
• Monitoring and alerts - Zabbix, Icinga2, Prometheus, Grafana,
• Cloud Providers - AWS, DO,Hetzner, Scaleway
• CMS and provisioning tools - Ansible, python fabric, Terraform, boto, dopy

Automate creation VPN-Proxy infrastructure. Secure tuning and hide from goverment and bad guys. Monitoring and resolving issues for L3.

• Any Cloud and Bare Metal hosting - AWS, DO, GCP, Vultr, Leaseweb, OWH, Scaleway, Online-Net,Hetzner, Velia,
• Any VPN soft and proxy - StrongSWAN, OpenVPN, CJDNS, Wireguard, Tinc, Squid, Tor, I2P, Privoxy, Shadowsocks
• CMS and provisioning tools - Ansible, Terraform, python fabric
• Monitoring - Zabbix

Participating in the development of the cloud platform. Cloud platform for own CRM system.

• AWS
• GCP
• Docker
• Kubernetes
• Terraform
• python
• Datadog

Support staging environment and develop new DevOps tools

• VMware + LXC containers, Docker
• Tools - python fabric, bash
• CMS and provisioning tools - Puppet, Ansible, Vagrant, Packer
• Monitoring - Zabbix

Graduated from technical school with honors

Faculty of Cybersecurity

Automation for payment system Secure tuning, monitoring, logging, alerting and prepare for PCIDSS audit.

VPN/Proxy

Participating in the development of the cloud platform. Cloud platform for own CRM system. Use techs: AWS, GCP, Docker, Kubernetes, Ansible, Terraform, python Monitoring: Datadog