Веб разработчик с 10+ годами опыта.
Специализируюсь на Ruby on Rails и React.
Интересусь Clojure и Elixir (нет коммерческого опыта, читал книги и писал пет проджекты)
Есть ИП (могу работать удалённо на любую страну)
Worked on Analytics project
• Configured CI in Gitlab (Pronto/RuboCop, Minitest) to ensure code quality and prevent regressions of
existing functionality
• Configured APM (AppSignal, Datadog). Fixed bugs and resolved performance bottlenecks that where
detected by APM
• Investigated user issues
• Delivered new features
• Improved performance of existing functionality by adding database indexes and optimizing SQL queries
• Implementing Redis Streams for efficient data handling
• Troubleshot and resolved critical issues:
- Fixed recurring Sidekiq freezes
- Fixed PostgreSQL deadlocks
- Prevented PostgreSQL connection pool exhaustion
• Covered critical functionality with tests (Minitest, PyTest)
• Wrote a plan for improving project architecture
Achievements:
• Improved working process
• Improved quality of code
• Decreased amount of issues in production
Worked on marketing systems for Product Madness client
* Optimized performance
* Fixed complicated bugs in old code
* Developed new functionality
* Improved UI
Technologies: Docker · Sidekiq · Memcached · Amazon S3 · MongoDB · RabbitMQ · Redis · Ruby on Rails · MySQL · JavaScript · React
Worked on long-term projects (few years in length) both individually and as part of a team.
* Communicated with customer, designed project architecture, formulated functional requirements
* Developed new projects from scratch (Ruby, React)
* Added new functionality into existing projects
* Refactored old codebases, fixed bugs in existing code, covered old code with tests
* Set up projects on the server (Ubuntu, Capistrano, Unicorn)
Technologies: Heroku · Docker · CoffeeScript · Onsen UI · TypeScript · Capistrano · Elasticsearch · Active Admin · GraphQL · Ruby on Rails · MySQL · PostgreSQL · React · Redux
* Developed fitness app
* Developed website with cooking video recipes
Technologies: Heroku · Amazon S3 · Active Admin · Ruby on Rails · jQuery · PostgreSQL · JavaScript
* Developed new functionality for Education CRM
* Developed several Active Admin based websites
Technologies: Solr · Capistrano · Active Admin · Ruby on Rails · MySQL · jQuery · JavaScript
Took part in development of internet bank for one of the largest Belarusian banks
* Wrote PL/SQL stored procedures
* Designed IFX API requests
* Implemented middle-tier business logic using FScript programming language
* Implemented UI using PHP 5 and jQuery
* Investigated user issues, fixed bugs in old code
Developed mobile version of internet bank from scratch
* Designed mobile-friendly UI from scratch
* Implemented UI using PHP and jQuery Mobile
* Hand testing on various mobile devices
Technologies: FScript · PHP 5 · jQuery · Oracle · JavaScript
* Developed websites using Joomla CMS
* Developed intranet website for Belarusian mobile operator using Symfony framework
Technologies: PHP 5 · Joomla! · MySQL · jQuery · JavaScript