- Senior Ruby on Rails EngineerPulsr (via Toptal)2016 - 2016
- Worked on back-end REST API.
- Implemented Redis caching for REST API.
- Worked with geo-spatial queries (PostGIS) and geocoding.
- Refactored some of the previously implemented features like importing events and venues from external APIs (Eventful/Foursquare).
- Participated in code reviews.
- Implemented API versioning and authentication.
- Worked on parsing tweets ingested from Twitter, using Twitter Stream.
- Refactored notifications (SMS, email, push notifications).
- Worked on bug fixing.
Technologies: Ruby, Ruby on Rails, PostgreSQL, Redis, ElasticSearch, Twitter API, Twilio API, Eventful API, Foursquare API, REST, JSON, PostGIS, Sidekiq, Git, Linux, Amazon RDS, EC2, S3 - Senior Ruby on Rails EngineerStowaway Cosmetics (via Toptal)2016 - 2016
- Developed architecture for new REST API used for e-commerce site.
- Worked on REST API that uses Spree e-commerce framework.
- Created Ansible scripts to migrate data from an Amazon RDS instance to Heroku.
- Helped to setup and deploy a new API to Heroku.
- Participated in code reviews.
Technologies: Ruby, Ruby on Rails, PostgreSQL, Heroku, Amazon RDS, Ansible, REST API, JSON, Spree - Senior Software EngineerMaestral Solutions2013 - 2016
- Worked on several projects as a full-stack developer using a broad range of technologies and following the Agile and Scrum methodologies of software development.
- Worked on creating a powerful survey engine that enables company-wide management of surveys.
- Worked on a promotions management web app used for creating and scheduling effective promotion campaigns, contests, and events for a given organization.
- Worked on a hybrid mobile app (PhoneGap + Ionic framework + AngularJS) used for time tracking employees or members of a given organization.
- Worked on a web app that provides information to hunters about planning hunting season. The app provides services for scheduling and reservation of hunting stands and marking the stands using Google Maps.
- Worked on a social network site intended for hunters. The app provides several advanced functionalities like a friends suggestion engine, notifications, messaging, content sharing, and integration with other popular social networks like Facebook, Google+, and Twitter.
Technologies: Ruby, Ruby on Rails, JavaScript (jQuery, Angular, Backbone, Node), PostgreSQL, MongoDB, Redis, .NET (C#, WCF Services, Web API, ASP.NET MVC, Entity Framework, LINQ, ASP.NET SignalR), MS SQL Server, PhoneGap, HTML5, CSS, Bootstrap, Facebook API - Software EngineerRaiffeisen Bank2011 - 2013
- Worked on core banking services and financial systems that supported more than a million financial transactions per day.
- Worked with large, complex, and distributed databases.
- Exposed to the complexities on all levels and phases of the software development cycle.
- Worked on various optimizations processes (SQL queries, reporting services, WCF services optimization, and configuration).
- Provided real-time support for a large number of customers.
- Created a powerful engine that deals with processing and generation of SWIFT (Society for Worldwide Interbank Financial) transactions.
- Worked on Business and Transaction Rule Engines (BRE, TRE) that represent an important part of the core of banking system.
- Worked on creating e-banking and mobile banking services.
Technologies: VB6, VB.NET, C#, Windows Forms, Web Forms, Windows Services, WCF Services, MS SQL, Reporting Services, TFS - Junior .NET DeveloperComTrade2011 - 2011
- Worked primarily on the back-end.
- Wrote and managed IVR Scripts.
- Parsed a variety of XML messages.
- Worked on service integration with BH Telecom.
- Worked SMS message processing.
Technologies: ASP.NET MVC, WCF Services, Web Services, Windows Services, C#, C++, Entity Framework, LINQ, MS SQL Server, SVN
