Anton Zaytsev

Senior Back-end Engineer

Working with Rails, PostgresQL, GraphQL

Senior Back-end Engineer, Developers Manager

Joined in November 2015 as Mid developer. Grew up to Senior developer and then to Team Leader with 8 developers in team. Eventually become Developers Manager with leading 4 teams, 20 peoples in total.

Main responsibilities:

• Launched mobile iOS application from scratch
• Setup collecting over 10 competitor prices daily and hourly for specific products
• Introduced webpacker for front-end as partial replacement of Asset Pipeline
• Conducted over 30 technical interviews with candidates
• Setup and maintain integration with 10+ suppliers of products

Technologies: Ruby on Rails, Sidekiq, PostgreSQL, AWS, Jira

Full stack developer

• Created a fashion widget on Sinatra in conjunction with Rails to allow management of data in widgets.
• Collected and analyzed millions of records from Instagram using Ruby on Rails, Postgres, and Redis.
• Collected and analyzed lots of products (clothing, shoes, etc.) to find the UPC if a product doesn't have it. Over 200 background workers process data at the same time using an external API and configured PostgreSQL database. They find similar products from a database with over a million records to find the same products from different shops.

Technologies: Ruby on Rails v4 and v5, Sinatra

Full stack developer

• Built complex SQL requests to Postgres.
• Built a page where a manager can see salespeople and their work status in real-time.
• Avoided Facebook public API, collecting profile friend data directly from the web interface.
• Fielded customer requests.

Technologies: Ruby on Rails v3 and v4, Sidekiq, PostgreSQL

Full stack developer

• Built a store with a large number of products in a single order.
• Customized the Spree platform to show data depending on user role.
• Improved some Spree core feature to work efficient with large orders.

Technologies: Ruby on Rails v4, Spree v2

Full stack developer

• Built a website for the closed community of Spirits sales company in Australia.
• Created front-end responsive slicing to support desktop, tablet, and mobile views.
• 7 months (Sep. 2012 - Mar. 2013) lived and worked in Australia with team.

Technologies: PHP, CSS, JavaScript, Drupal, Ruby on Rails v3

Full stack developer

• Started as Junior Developer. After 1 year became to team leader of 2 people with responsibility to follow timelines and directly contact with client.
• Worked with Russia and Australia based clients.

Technologies: PHP, Drupal, CakePHP, Bitrix

Junior Drupal Developer

• Developed projects, mostly on Drupal 6, for clients;
• Wrote my own Drupal modules in PHP;
• Communicated directly with clients in English (chat);
• Learned how to slice PSD to HTML and CSS, with JS interactivity.

Technologies: PHP, Drupal, CSS, JavaScript, jQuery