Kosta Crepajac

Senior Full Stack Developer

Hello!
I'm a Senior Full Stack developer who specializes in Web & Mobile Ecommerce Development.
My focus is always on providing a meaningful and practical solution that works towards a goal for the client. Building state-of-the-art, easy-to-use, user-friendly websites and applications is truly a passion of mine and I am confident I would be an excellent addition to your organization. I will always try your projects together with you. We will share ideas with each other and get more excellent results.
I look forward to having a great, successful, and rewarding relationship with you.
If you are looking to work with someone who is professional, resourceful, reliable, responsive, flexible, and does not compromise on quality, then please contact me immediately.
Best Regards.

  Belgrade, Serbia         [email protected]

Work Experience

Flutter Developer

Devotion Co., Ltd.  •  July 2021 - October 2021

Currently, as a full-stack developer, I am developing an Android & iPhone multi-tenant POS app using Flutter.
- Aws service establishment
- Android & iPhone hybrid app development
- Firebase user authentication, push notification
- Location measurement using Google API
- Credit card payment function using Square service

E-Commerce Developer

Bluestout  •  October 2015 - May 2020

I have worked as an E-Commerce Developer using Shopify and WordPress
During the dev time, I worked on :
- Increase Conversions
- Increase AOV(Average Order Values)
- Increase Repeat Purchases
- Increase Sales and Profit
- Design & Build A Beautiful Ecommerce Store

Full Stack Developer

Braineering IT Solutions  •  November 2013 - February 2015

As a Full Stack developer, I have worked for 2 years with Polish partner Braineering IT Solutions, which
is a great SaaS(Software as a service) dev team.
From here, I have learned and allowed the following backend and frontend.
Using Skills:
- Laravel, Ruby on rails
- React, Vue, Node
- Firebase, MySQL, MongoDB
- Bootstrap, HTML5, CSS3, jQuery, JavaScript

Education

University of Belgrade

Computer Science  •  2008 - 2013

I was graduated with full marks.

Skills

- Front End

   JavaScript / ES6 / jQuery        HTML5 / CSS3 / Javascript / Bootstrap      React      vue.js      Angular      Next.js      Nuxt.js   

- Back End

   Node.js      Ruby on Rails      Java      Laravel      CakePHP      CodeIgniter   

- Ecommerce

   Shopify      WordPress      Magento      Opencart      Symfony 4  

- Mobile

   Kotlin/Java      Objective-C/Swift      Ionic Framework      PhoneGap      ReactNative      Flutter  

- Database

   MySQL      Oracle      PostgreSQL      MonogoDB  

- Design Tools

   Illustrator      Photoshop      Sketch      Figma      Invision   

Languages

  • English — Fluent
  • Japanese  —  Conversational
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