Full-stack developer

Implementation and maintenance of webservices as fullstack developer on contracts with customers. Main developement stack: NodeJS, Next.js, pSQL, React.js, Vue.js

Internal project - Creating system containing frontend, backend, REST API and Android application.
Main goal of the system was creation of agreements which allowed user to manipulate the gaps in templates. Templates were containing several types of fields, which finally was applyed to template, creating final agreement.
Each template had complex structure, containing text, in which via editor administrator was able to place custom fields, placement of addresses from both sides. After final user sets up all necessery data the appropriate positions in text as replaced.
Backend and REST API were made in Symfony2 with service oriented convention. Frontend was in AngularJS for edition of templates, life ajax data updates.
Android application written in Java was basically having the same rule as frontend application. Display, save, perform operations via REST API.
On client side projects (HERE Technologies Berlin):
4 month project – providing feature for HERE Maps. Used technologies mostly AngularJS and nodejs
December 2016 – June 2018 – project related with IOT, based on microservices. Used technologies nodejs, groovy. erlang, scala
July 2018 – January 2019 – Geolocation related project. Used technologies nodejs, reactjs
February 2019 – May 2023 – Frontend applications in reactjs.

Creating systems based on framework Symfony2 and Laravel, Wordpress and JavaScript. Integrating payment apis, Facebook, GoogleMaps, MailChimp, Vimeo. Creating libraries using jQuery for the needs of project. Create database schemas. The responsibility for creating solutions for backend.
Larger projects:
- The system is based on JavaScript, is in form of a slider with adapting to all platforms, supporting touch and mouse events. The main elements of the system is multilingual, presenting categories and their components, data structures in the form of trees. In addition, written in Symfony2 backend to manage the entire content displayed in the frontend.
- The newspaper of the complex structure of articles (article content is created with the constituent elements of different types, eg. Text, Quote, Photo gallery) with a versioning mechanism. Admin can dynamically manage the entire structure of the page (URLs, generate menu pages), create dynamic forms, polls, vote. Advertisements system with possibility of assigning adverts into individual pages, typing promoted or limit the number of impressions.