Jan Zych

Angestellt, Senior Wed Developer, Freelancer
Warsaw, Poland

Skills

Web Design
Software Development

Timeline

Professional experience for Jan Zych

  • Current 2 years and 4 months, since Mar 2024

    Senior Wed Developer

    Freelancer

  • 10 months, Jun 2023 - Mar 2024

    Full Stack Developer

    VASK PHILL

    Involved in designing and developing the web pages using HTML 5, SASS, React JS, Redux, Flux, Node JS, CSS, TypeScript, Java Script, Bootstrap, Node.js, NPM, Mongo DB. Performed Unit testing on React JS applications using tools like Enzyme and Cypress. Worked at Rentz Group as a freelancer, to build several web projects collaborating closely with designers, and backend developers to implement seamless and visually appealing web applications.

  • 3 years and 4 months, Jun 2020 - Sep 2023

    Full Stack Engineer

    THE VALLEY

    Optimize search engine for Elastic Search Document Restful API's using Swagger for internal use Integrate with MongoDB, CassandraDB and PostgreSQL Experience in web applications development using Django (Python) and Beego (Golang) Maintain and develop frontend source of ReactJS Experience with Docker containers and deploy application containers

  • 3 years and 4 months, Mar 2017 - Jun 2020

    Full Stack Engineer

    Softech Worldwide

    High-load big data system which provides a full package of services for working with advertisement on the Internet: a dashboard for convenient creation of thousands of ads on more than 10 various platforms and tracking their performance, sites to which these ads lead traffic, machine learning services to predict revenue and spend in real-time and accordingly edit bids of ad companies on the basis of dozens of metrics and trends.

  • 3 years and 6 months, Jan 2014 - Jun 2017

    Full Stack Developer

    Zones IT Solutions

    Designed RESTful APIs using Ruby on Rails to handle client-server ommunication. Implemented authentication and authorization mechanisms using Devise or custom solutions. Created database models and migrations using ActiveRecord for PostgreSQL or MySQL databases. Developed CRUD (Create, Read, Update, Delete) functionality for managing application data.

Educational background for Jan Zych

  • 2010 - 2014

    Computer Science

    Warszawska Wyższa Szkoła

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