Serhii Koba

Summary

Passionate about software development for 11 years (Ruby/RoR for the last 6 years). Working mostly on Web (API based) solutions of different scale.

♦️ Experience: 5+ years in Ruby, 3 years in PHP, 2 years in Android development;
♦️ Full-stack web apps development: from DevOps, server-side to frontend JavaScript/CSS;
♦️ Experience as a Tech Leader: understanding of business needs for optimal technology solutions, development of ideas and product vision, effective collaborations on long-term, large-scale projects;
♦️ Advanced written and spoken English.
♦️ Personal traits and skills: complex product vision, improvements and new technologies adoption, team organization and management skills, continuous professional growth
♦️ Good leader, mentoring and team building skills
♦️ Hobbies: writing fiction novels, climbing, basketball and running

♦️ languages: Ruby, Javascript, Elixir, PHP, Python, Go, Java for Android Dart SQL
♦️ frameworks: Ruby on Rails, Sinatra, Hanami, Trailblazer, DRY gems, Hotwire, Vue.js, Nuxt.js, Phoenix, Flutter, Babylon.js 3D
♦️ software design: Software Architecture Design / Design Patterns / Refactoring, SaaS/SOA Research & Development, Technical Documentation/Architecture Reports/Proposals/SRS, REST API, Multitenancy
♦️ rdbms: PostgreSQL, MySQL
♦️ nosql: Redis
♦️ cloud providers: Azure, Digital Ocean, AWS
♦️ web services: Caddy, Puma, Nginx
♦️ virtualization: Docker, Kubernetes
♦️ tests: TDD, Postman, Rspec / Minitest, Swagger
♦️ other technologies: GraphQL, Sidekiq, gRPC, RabbitMQ, HTML/CSS/LESS/Sass, Kubernetes, Helm, OAuth, Websockets, WebRTC
♦️ ide: VSCode, Jetbrains IDEs
♦️ ci and systems: Jira, Jenkins, GitLab, TravisCI, Bamboo

We are ready to provide expert's help with your product
or build a new one from scratch for you!