Position: CTO/SRE/DevOps
Category: DevOps
English level: upper
Years of experience: 11

- create a scalable E-commerce platform for the UA company
- reengineered SaaS application for a US company
- design delivery process to meet budget, deadlines & quality
Lead teams, make applications reliable & help to meet business goals more quickly. I participated in technology presales. Adopt applications architecture to be cost-effective in clouds.

**Technologies**

**Software Design & Architecture**
SOA, Microservices, Serverless, SPA, SSR, PWA, Message Queues, 12-factor app, Zero Trust, Service Mesh, Design Patterns, Availability, Reliability, Autoscaling, Scheduling, Reliability, SOLID, KISS, DRY, YAGNI, Semantic Versioning, C4 model, UML

**Clouds**
AWS: S3, EC2, CloudFront, CloudFormation, Beanstalk, Route53, IAM, RDS, DynamoDB, Glacier, ElasticCache, Organizations, CloudWatch, VPC, EKS, ECR,...  GCP, Azure, Hetzner, Digital Ocean, Cloudflare

**Networks**
Port forwarding, VPN, Site-2-Site, Firewalls, Load balancing, Proxy, Reverse Proxy, Caching, CDN 

**Protocols**
OSI Model, TCP, IP, UDP, HTTP, HTTPS, DNS, SMTP, POP, IMAP, DMARC, SPF, FTP, SSH, SSL/TLS, REST, GraphQL, CORS, gRPC, SOAP

**Operating System**
Virtualization, I/O management, Memory/Storage, File Systems, Networking, Processes, Sockets, Posix, initd, systemd, Threads, Linux, Windows, MacOS

**Containers & orchestration**
Kubernetes, Rancher, Docker Swarm, Docker compose

**Servers**
Apache, nginx, php-fpm, HAProxy, Traefik

**Databases**
MySQL, PostreSQL, Mongo, Redis, Memcache, Clickhouse, ElasticSearch, LDAP, ACID, CAP

**Configuration Management and IaC**
Terraform, Ansible, GitOps, HELM

**Monitoring & Incident Management**
Prometheus, Grafana, CloudWatch, Zabbix, Jaeger, Sentry, Loki, Elastic Stack, New Relic, Load testing & Performance optimization, APM, Grafana on-call, StatusPage, SquadCast

**Security**
HashiCorp Vault, AWS Secrets, Lets Encrypt, git-secret, ZAP, SonarQube, OWASP, Auth0, SAML

**CI/CD**
GitLab CI/CD, GitHub Actions, BitBucket pipeline, ArgoCD, Jenkins, CircleCI, Blue-Green deployment, Roling Updates / Rollbacks

**Languages**
PHP5, JS, Node.js  Python, Go, SQL HTML5, CSS3, SASS, LESS, Swift, Java, Scala, Bash

**Frameworks & Libraries**
Laravel, Symfony, Zend, React, Angular, Vue.js, Spring, Next.js, Scrapy

**IoT**
Arduino, ESP32, ZigBee, Home Assistant, RTOS, MQTT

**Message Queues**
RabbitMQ, Redis, NATS, SQS, Gearman

**Tools**
Git, Swagger, Postman, Selenium, JIRA, Google Apps, JIRA, Monday, Harvest, Togl, Trello, n8n, Slack, HubSpot, Redash, Metabase, PowerBI, 

**Other**
BPMN, TDD, BDD, Scrum, Agile, Kanban, Cynefin
Remote or on-site job for the company that needs to implement reliable & mature delivery flow with Docker