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Cosmin S.

Full Stack Developer

335 dollar
Freelancer
13 years
Gothenburg, SWEDEN
JavaScript Node.js React-Redux TypeScript

My experience

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Minna TechnologiesJune 2019 - Present

Worked on the company's fintech product. Was part of the team owning the central part of the application, developing subsystems used by the other 6 teams in the company. This involved working on the React with Redux frontend and Scala backend, designing and documenting the external API, writing unit and integration tests, validating design changes with A/B tests, and many more.

* Improved retention of the product by more than 20%

* Increased number of actions performed by returning users by more than 25%

* Ensured products consistently met specifications and deadlines in collaboration with product owners and stakeholders.
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ClevertechJanuary 2019 - June 2019

Worked on an application for the AAA/CAA, redesigning their application for towing requests. Project was purely frontend, built with Angular. 


* Worked from project start until completion, in close connection with the UI/UX team

* Added maps support via Google Maps

*  Added maps overlay support for showing custom pins and data

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Exponential InteractiveJanuary 2014 - January 2019

Led team in frontend development of advertising platforms, including creation of AD units and integration of the advertising platform with various publishers. Directed documentation, reports, and testing of each feature and final product.

* Played key role in all stages of product development and platform architecture, achieving required functionality and proactively identifying new opportunities in video technology.

* Streamlined future performance for publisher integrations through design of ad unit templates.

* Support start-up growth from ground up, including recruitment and retention of high performing frontend development team.

Additional Frontend experience, working remotely with Angular, React, Typescript or Javascript in several full time or contract roles.
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LittledataJune 2018 - December 2018

I worked on developing a system connecting shopify websites and google analytics. Technologies used: Meteor, Blaze, Node.js.
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IT Six Global ServicesMay 2006 - November 2007

I have worked at It Six Romania for more than 1 year, and participated on multiple projects, using different programming languages, from HTML and Jvascript, to C# and Flex. The biggest projects included an automatic engine for generating business cards, leaflets, posters, built using Actionscript 3 and SOAP webservices, and an online maps application built using Flex and Javascript.
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IPSJanuary 2002 - January 2006

Webdesign, Flash applications

My stack

Frameworks

AngularJS, Node.js, Meteor

Analysis methods and tools

Agile Methodology, Scrum

Software testing

Integration testing

Others

Software Design, Team management, SDLC

Databases

MongoDB

Technologies

React-Redux

Languages

TypeScript, Scala, Flex, HTML, OOP, PHP, JavaScript, MVC

Other

testing of each feature and final product, SDLC Management, Troubleshooting Testing & Quality Assurance, Senior Frontend Developer, Front End, User Training, Continuous Improvement, frontend developer, Additional Frontend experience, Subversion, FULL STACK DEVELOPER, React, AD, Cascading Style Sheets, industry~it

IT Infrastructure

Docker, Git

My education and trainings

Bachelor of Science, Engineering - University of Craiova