Vladimir Koza

Selbstständig, Senior Software Developer, Self Employed
Warsaw, Poland

Fähigkeiten und Kenntnisse

Javascript
React.js
Node.js
Vue.js
React Native
Next.js
GraphQL
Angular
Django
Python
.NET Framework
Laravel
TypeScript
Nuxt.js
NestJs
Amazon Web Services (AWS)
Unit Testing
Tailwind CSS
Firebase
HTML5
PHP
Redis
Test Automation
D3.js
Socket.io
Apache
MySQL
Storybook
Apollo Graphql
Strapi.js
MongoDB
Serverless Framework
Amazon DynamoDB
Lambdas
Symphony Framework

Werdegang

Berufserfahrung von Vladimir Koza

  • Current 4 years and 3 months, since Mar 2022

    Senior Software Developer

    Self Employed

    -Constructed the website from scratch with React. -Set up the back-end in Node.js for enhancing the SPA speed and SEO. -Created an iPhone app for drivers and passengers to see each other on maps in real-time using Objective-C. -Oversaw the UI development using CSS, Bootstrap, and LESS. -Provided APIs and libraries for other developers to use.

  • 4 years and 2 months, Feb 2018 - Mar 2022

    Senior React/Node Developer

    Innovations LLC

    -Created reusable, robust and customized components using React -Integrated GraphQL to fetch/process data Used Amazon Web Services (EC2, Amazon RDBS, S3, Lambda) to run & host applications -Wrote unit/integration tests and established CI/CD using Jenkins -Created a Node.js notification server and front-end client that uses WebSockets to distribute notifications. -Implemented most of the site's back-end for user statistics, affiliate tracking, system, data, user management, and maintenance.

  • 1 year and 1 month, Mar 2018 - Mar 2019

    Full Stack Developer

    MyContainer

    -Used semantic component framework Vuetify.js which supports server-side rendering, single-page apps, progressive web apps, and standard HTML pages. -Using the Tailwin CSS because it is much faster and easier to build and refactor UI -Managing the Migration, Seeding, Eloquent model, Routing, Authentication, Middleware, ORM, Unit testing, Artisan in Laravel -Used the Laravel packages like Spark, Cashier, Vapor, Horizon, and many others.

  • 2 years and 11 months, Mar 2015 - Jan 2018

    Frontend Developer

    Quality House

    -Finished implementing a cryptocurrency exchange built using Angular. -Handled the pixel-perfect implementation of the specs (Zeplin). -Designed an internal Angular library for abstracting advanced form creation out of HTML and into Typescript allowing our team to more quickly develop and create forms in a type-safe environment -Developed a very critical tool called Revenue Pricing and Management with Angular, Typescript and third-party libraries.

  • 1 year and 5 months, Oct 2013 - Feb 2015

    Frontend Web Developer

    Spinutech

    -Developed responsive wireframes/prototypes using HTML5, CSS, Bootstrap, jQuery, and PHP. -Implemented cross-browser testing for capability. -Creating a modern, flat UI. -Used GitHub for version control. -Created responsive prototype templates for an eCommerce office supplies site.

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