Sergey Baev Email & Phone Number

Moscow, Ru

Москва, Россия

Various part-time jobs on Upwork.com.Software architecture, full-stack development in Ruby on Rails, system integration, web automation, DevOps.Software: RoR, JavaScript, React.js, ElasticSearch, PostgreSQL, Redis, Sidekiq, Bootstrap, Google Maps, Nginx, Cloudflare, Heroku, AWS EC2, AWS S3, Ansible, Docker Compose.Services integrated: Stripe, Plaid, SendGrid, Twilio, Poloniex, EasyPost, Bandcamp, Shipstation, Lightspeed, Fitbit.

Moscow

ParkApp — mobile parking guide and automatic parking payments application.Software: RoR, JavaScript, RailsAdmin, PostGIS, Redis, RabbitMQ, Sidekiq, Errbit, Bootstrap, Google Maps, Nginx, Cloudflare, AWS EC2, Ansible, Docker Compose.Architect and lead full development life cycle of a mobile API, CMS, client dashboards, and other back-end micro-services.Integrate with Sberbank acquiring, OpenStreetMaps, Park.me, Parkopedia, Brightbox Remoto, municipal parking services.Design protocols for integration of external service providers.Design tokenomics and prepare the project to a token sale.https://parkapp.ruhttps://parkapp.io

Moscow

B2B E-Commerce/ERP site for an electrics manufacturer (texenergo.com).Software: RoR, AngularJS, MongoDB, WebSocket.Software analysis, back-end and API development.

Moscow

ITSM portal for Rosreestr (rosreestr.ru) tech support groups.Software: RoR, AngularJS, Bootstrap, Postgresql, SQL Server 2008, Nginx.Full-stack development of RIA. Requirements analysis and target setting.Integration with BMC Remedy by SOAP and SQL Server. Confluence integration.

Moscow

Working on Ruby on Rails applications as a full-stack developer in a small team: 2 full-stacks, a front-end dev and a UX/UI designer. Work was primarily on complex system integrations with other customers' products.Internal IT/referential portal for Russian Ministry of Internal Affairs.Software: RoR, Rspec, JQuery, Mysql, Redis, Elasticsearch, Nginx, Piwik, OpenStack.Full cycle of development: from requirements analysis and architecture design to coding and cloud cluster deployment.Integration with a number of government services via saml, thrift, and sorts of rest/json.Website of Russian Ministry of Regional Development.Software: RoR, JQuery, Mysql, Redis, Sphinx, Nginx.Load speed optimization of the site's main page and some of admin dashboards.Integration with government services via openid, oauth and rest/json.Several ITSM portals for Rostelekom (rostelecom.ru) tech support groups.Software: RoR, AngularJS/KnockoutJS, Bootstrap, Postgresql, Nginx.Full-stack development of RIA. Integration with BMC Remedy by SOAP web-services.ITSM portal for Rosreestr (rosreestr.ru) tech support groups.Software: RoR, Postgresql.Rapid prototyping of fully-operable Rails app integrated with BMC Remedy within few days.

Moscow

Social network for professionals with candidate auto-matching, based on the idea of wiki-editable expertise mind-maps as a match basis (start-up).Software: RoR, JQuery, Mysql, Sphinx, RabbitMQ, Redis, Nginx, WebSocket.Full-stack development of several application prototypes.Experiments with various web-UIs and extreme UI performance optimization.Web -scrapers development.Design of OLAP for behavioral analytics.Mass SMS-delivery generation web-service.Software: RoR, JQuery, Mysql, Redis, Nginx.Full-stack development of production-ready application integrated with SMS billing service.