Senior Frontend Contractor SOLUTIONS, Senior Frontend Contractor, Senior Frontend Engineer

SOLUTIONS The required processing time for images and fonts has to be
Remote improved. Also, the number of hotfixes, performance, and
Apr 2019 - Feb 2021 reliability were problems for the client.

* Improved by 70% the images and fonts processing time by
implementing an asset bundle;

* Increased performance application by 20% by adopting flowtype
static checking library, adopting yup library validation,
developing unit tests and integration tests;

* Increased customer satisfaction by 20% by implementing
Hero with Content product to build customizable template
campaigns.

Skills used: ReactJS, Redux, Javascript, Jest, React testing
library, Cypress, Jinja2.

Remote The usability and loading time of the existing application was the
Sep 2018 - Mar 2019 reason to rewrite the application and migrate existing

functionalities into a new form using ReactJS technologies.

* Successfully migrated the application from AngularJS
framework to ReactJS library by dividing the initial app into
smaller parts and replacing one part at a time;

* Implemented 70% of the new features that the client needed
and backed them by 95% coverage of unit tests.

Skills used: ReactJS, ReactContext, Javascript, React
Bootstrap, Jest, Cypress.

Bucharest The customer requested to display the real price and detailed
Jun 2016 - Aug 2018 costs for foreign exchange transactions on every marketplace

price change, to update buy and sell price depending on pips
changes and MIFID II license approval required by financial
institutions.

* Customer satisfaction and daily transactions rate improved
with 10% by implementing a GM Cost module that displays
costs for each foreign exchange transaction considering
buy/sell market price and pips updates;

* Helped to achieve MIFID-II license by implementing financial
regulators rules imposed after the 2008-2009 financial crisis.

Skills used: Javascript, ReactJS, Redux, WebSockets, Jest,
Enzyme.