Position: Senior React / Node.js Developer
Category: JavaScript
English level: fluent
Years of experience: 7


Senior Javascript Developer (A Place for Mom, Oct 2021 - Present) 
- Changed several teams on the project.
- Designed and developed a service that handles 100k emails per month.
- Refactored legacy service from C# to Node.js with a focus on performance.
- Developed new features from scratch working with the design team.
- Conducted A/B testing campaigns to check new interfaces hypotheses.
- Integrated and supported 3rd party services: Auth0, LaunchDarkly, Segment, Amplitude.
Technologies: Node.js, Typescript, React, Apollo, GraphQL, Google Maps, Material UI, MongoDB, MSSQL, AWS.

Full-Stack Javascript Developer (WhoCanFixMyCar, Jul 2018 - Sep 2021)
- Refactored and moved the existing codebase to modern technologies.
- Performed full-cycle development of new features from scratch.
- Conducted A/B testing campaigns to check new interfaces hypotheses.
- Optimised map functionality for faster rendering of 3k items.
- Involved in redesign the SagePay payment architecture to the GDPR policy.
- Developed new payment architecture using Stripe.
- Improved and managed SendGrid emails infrastructure.
- Reviewed team members` code.
Technologies: Node.js, Express.js, Typescript, React, Redux, Leaflet, Material UI, MySQL, Sequelize.

Full-Stack Javascript Developer (VistaCreate, ex. Crello, Dec 2016 - Jul 2018)
 - Performed full-cycle design and development from scratch.
 - Covered code through unit and integration tests.
 - Refactored code with a focus on performance.
 - Designed and created the application for generating marketing pages.
 - Reduced testing time by 5x by implementing infrastructure for writing integration tests.
 - Designed and managed the internationalization of application for 6 languages.
 - Contributed several private NPM modules.
Technologies: React, Redux, Node.js, Koa.js, Enzyme, Vue.js, Webpack, MongoDB.


Node.js Developer (GlobalLogic, Jul 2016 - Dec 2016)
- Developed backend features for SaaS web application.
- Optimised and redesigned the architecture of UI tests.
Technologies: JavaScript, Node.js, Koa.js, MongoDB, Protractor, Jasmine.

Frontend Developer (Ciklum, Sep 2015 - Feb 2016)
- Developed UI components for the application.
- Customised new features for more than 30 themes. 
Technologies: Html, Css, Less, JavaScript.