Self Employeed

Self Employeed

Epic MERN/MEVN/Flutter Developer

Florina, Greece
Freelancer
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ABOUT

Deep understanding of Mathematics, Data structures and Algorithms.
6+ years of development experience on projects ranging from small size applications through complex enterprise. I am a good experienced developer with Node.js, Express as Backend, and React, Vue with JS/TS as Frontend, MySQL, Postgres, MongoDB as Backend.
Furthermore, have a good experience in Mobile Application Development using Flutter/Dart and Google Firebase. I have also good experience in Github, Jira and AWS as well as Tailwind CSS and Bootstrap for Styling.

LANGUAGES

English
Professional working proficiency

Fitplan Website

Open Entry 262541 in Fitplan Website by Self Employeed
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Taxi and Travel Booking Website

Open Entry 262543 in Taxi and Travel Booking Website by Self Employeed
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Open Entry 262542 in Taxi and Travel Booking Website by Self Employeed
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Cryptocurrency Analysis Web Application

Open Entry 262547 in Cryptocurrency Analysis Web Application by Self Employeed
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Open Entry 262546 in Cryptocurrency Analysis Web Application by Self Employeed
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Open Entry 262545 in Cryptocurrency Analysis Web Application by Self Employeed
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Open Entry 262544 in Cryptocurrency Analysis Web Application by Self Employeed
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Wifi seller Website

Open Entry 262548 in Wifi seller Website by Self Employeed
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Gambling Website

Open Entry 262549 in Gambling Website by Self Employeed
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SKILL DETAILS

Technology

Unity3D
Jira

Software & Programming

186 ILS / hr
HTML5, CSS3, JavaScript
- Build Food plan PWA using React + Tailwind, Firebase, Node.js/Express.
- Rebuilding iF design website (https://ifdesign.com/) using Gatsby.js and Contentful CMS.
- Build Ecommerce website (https://1apharma.at/) using Next.js, Contentful CMS and Wordpress.
- Build Cryptocurrency Analytic Application using React.js, Redux, Node.js, Express.js, MongoDB.
DB - MySQL
- Use MySQL for database in several projects.
DB - PostgreSQL
- Use PostgreSQL for database in several projects.
JQuery
Node.JS
- Use Node.js/Express.js as backend.
- Build Restful API and Graphql Server using Node.js/Express.js.
DB - MongoDB
- Use MongoDB for database in several projects.
Full Stack Developers
- Build Food plan PWA using React + Tailwind, Firebase, Node.js/Express.
- Rebuilding iF design website (https://ifdesign.com/) using Gatsby.js and Contentful CMS.
- Build Ecommerce website (https://1apharma.at/) using Next.js, Contentful CMS and Wordpress.
- Built the payment gateway including cardpay, certegy and paypal, etc using Node.js and serverless/terraform, AWS S3 lambda function and dynamoDB, S3 Bucket and SecretManager, etc.
- Develop the shopify application to create very fast the size chart that the users need pre-defined templates using Node.js, Express, Vue.js, Vuex, MySQL, Prisma and Liquid language.
React.js
- Build Food plan PWA using React + Tailwind, Firebase, Node.js/Express.
- Rebuilding iF design website (https://ifdesign.com/) using Gatsby.js and Contentful CMS.
- Build Ecommerce website (https://1apharma.at/) using Next.js, Contentful CMS and Wordpress.
- Build Cryptocurrency Analytic Application using React.js, Redux, Node.js, Express.js, MongoDB.
DB - NoSQL
Express.js
- Use Node.js/Express.js as backend.
- Build Restful API and Graphql Server using Node.js/Express.js.
DB - PGSQL
- Use PGSQL for database in several projects.
Mobile App Development
Laravel
Front-end Developers
- Build Food plan PWA using React + Tailwind, Firebase, Node.js/Express.
- Rebuilding iF design website (https://ifdesign.com/) using Gatsby.js and Contentful CMS.
- Build Ecommerce website (https://1apharma.at/) using Next.js, Contentful CMS and Wordpress.
- Build Cryptocurrency Analytic Application using React.js, Redux, Node.js, Express.js, MongoDB.
Back-end Developers
- Built the payment gateway including cardpay, certegy and paypal, etc using Node.js and serverless/terraform, AWS S3 lambda function and dynamoDB, S3 Bucket and SecretManager, etc.
- Build Several Rest API and GraphQL server using Node.js/Express.js
React Native
- Rebuilding the screens of the Repeat Native Application.
- Integrate Google Firebase and Google Map API.
- Upgrade Native App to React Native Application.
Flutter
- Build Flutter apps from React Native app.
- Integrate Google Firebase and Google Map API

Websites

Dynamic Websites
Simple Websites, Landing Pages
PSD Design to HTML + CSS
Responsive Website Development
Mobile Web Development
Bootstrap

EMPLOYMENT HISTORY

June 2021 - June 2022

Full Stack Developer

NERDZZ Digitalagentur GmbH , Hannover, Germany
  • -Build Food plan PWA using React + Tailwind, Firebase, Node.js/Express
  • -Rebuilding iF design website (https://ifworlddesignguide.com/) using Gatsby.js and Contentful CMS.
  • - Build Ecommerce website (https://1apharma.at/) using Next.js, Contentful CMS and Wordpress.
  • - Built the payment gateway including cardpay, certegy and paypal, etc using Node.js and serverless/terraform, AWS S3 lambda function and dynamoDB, S3 Bucket and SecretManager, etc.
  • - Develop the shopify application to create very fast the size chart that the users need pre-defined
  • templates using Node.js, Express, Vue.js, Vuex, MySQL, Prisma and Liquid language.
November 2020 - June 2021

Full Stack Developer

Kilwar LLC , CA, United State
  • -Build Cryptocurrency Analytic Application.
  • -Using React.js, Redux, Node.js, Express.js, MongoDB.
  • -Also Used TailwindCSS and AWS S3 Lambda.
  • -Main purpose: the user can analyze their Transaction history and Capital Gains, Relative Performance, etc.
May 2020 - November 2020

Mobile Application Developer

Rio Nord GmbH , Berlin, Germany
  • -Designing and redesigning the screens of the Repeat Native Application.
  • -Integrate Google Firebase and Google Map API.
  • -Integrate Restful API.
  • -Upgrade Native App and React Native Application to Flutter Application.
August 2015 - March 2020

Full Stack Developer

The MASCC , Moscow, Russia
  • -Developed several reusable VueJS components and used Vuex store management tools
  • -Involved in designing and redesigning the core pages of the e-commerce store
  • -Worked with content creators to implement new content on the main website
  • -Implemented blogs using ReactJS, VueJS
  • -Ensured that new content types are styled properly for quick and easy viewing
  • -Developed the backend using NodeJS, ExpressJS and maintained it on a day-to-day basis
  • -Performed unit tests in backend and frontend
  • -Fixed bugs across the website and handled basic backup scheduling
  • -Collaborated with the sales and marketing team to increase the cart conversion rates to 22%
  • -Assisted with minimizing site downtime along with minimizing downtime of the integrated apps and APIs

COURSES & CERTIFICATIONS

April 2022

TRIPLEBYTE ENGINEERING CERTIFICATE

TRIPLEBYTE
  • https://triplebyte.com/tb/sergej-melihov-1emlydq/certificate

EDUCATION

April 2011 - August 2015

Bachelor of Software Engineering

University of Peloponneses
  • Computational Mathematics and Cybernetics

25 SKILLS

Technology

Unity3DJira
186 ILS / hr

Software & Programming

HTML5, CSS3, JavaScriptDB - MySQLDB - PostgreSQLJQueryNode.JSDB - MongoDBFull Stack DevelopersReact.jsDB - NoSQLExpress.jsDB - PGSQLMobile App DevelopmentLaravelFront-end DevelopersBack-end DevelopersReact NativeFlutter

Websites

Dynamic WebsitesSimple Websites, Landing PagesPSD Design to HTML + CSSResponsive Website DevelopmentMobile Web DevelopmentBootstrap

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