Timeline

1. Trans.eu S.A.

   

   javascript developer

   React.jsmongoDbNEXT.jsJestDockerSocket.ioreduxexpress.jsAngular2+bashtypescriptReact.js

   Period

   June 2019 - Currently

   Details

   Trans.eu S.A.(opens in a new tab)

   javascript developer

   

   Period

   June 2019 - Currently

   Tech stack

   React.jsmongoDbNEXT.jsJestDockerSocket.ioreduxexpress.jsAngular2+bashtypescriptReact.js

   Responsibilities

   Security Service (Backend)

   • Development of backend services supporting the security of companies logging into the platform. Technologies: Nest.js, PostgreSQL, TypeORM.

   • Integration with government databases of foreign countries using RabbitMQ communication.

   Sales Management System Modernization (Backend, Frontend)

   • Improving application performance and maintainability, including request caching and server-side rendering (SSR).Technologies: Next.js, OAuth.

   • Implementation of dynamic document generation using React-pdf.

   Real-Time Communication Platform (Backend, Frontend)

   • Designed a communication system for consultants using Socket.io, Express.js, XMPP, MongoDB, and React.

   • Developed real-time file transfer functionality via WebSocket.

   Application Development and Maintenance

   • Conducted a full refactor of the product management system (Vue 2 – Frontend).

   • Created an email service solution using MongoDB, Socket.io, Express.js, and React (Backend, Frontend).

   • Built a JIRA statistics dashboard using Next.js, MongoDB, and Chart.js (Backend, Frontend).

   DevOps & Infrastructure

   • Implemented CI/CD pipelines in GitLab.

   • Containerized applications using Docker and docker-compose, with process management via PM2.

   Agile Methodology

   • Actively participated in 4-5 person teams, fully engaging in Scrum ceremonies.

   Tech Stack

   Programming: React, Next.js, Angular 14, Vue 2, Express.js, Socket.io, MongoDB. Tools: Docker, GitLab CI/CD, PM2, JIRA, RabbitMQ, WebSocket, n8n, ChatGPT, Cloud, Perplexity, Bash

2. Gispartner sp z o.o.

   

   JUNIOR JAVASCRIPT DEVELOPER

   GraphQLWebpackDockerLEAFLETJSWeb Componentscsshtml

   Period

   June 2018 - July 2019

   Details

   Gispartner sp z o.o.(opens in a new tab)

   JUNIOR JAVASCRIPT DEVELOPER

   

   Period

   June 2018 - July 2019

   Tech stack

   GraphQLWebpackDockerLEAFLETJSWeb Componentscsshtml

   Responsibilities

   GIS System Development

   • Implementation of a comprehensive GIS system for public administration (Leaflet)

   • Design and development of interactive maps and advanced geospatial functionalities

   • Creation of dedicated Web Components for reusable application elements

   • Integration with backend through REST API

   Spatial Data Management

   • Development of functionalities for processing and visualization of geospatial data

   • Implementation of advanced spatial queries in pgAdmin environment

   DevOps & Development Environment

   • Code version control using SVN, configuration and maintenance of test and development environments

   • Working with Linux Server systems and containerization using Docker

   • Deployment process automation using Jenkins CLI

   Work Methodology

   • Active participation in Scrum teams (4-5 people), daily communication during stand-up meetings

   • Project management using Redmine

   Technologies Used:

   • Programing: Web Components, Leaflet,Polimet.js REST API

   • Databases: PostGIS, pgAdmin

   • Tools: SVN, Jenkins CLI, Docker, Linux, Redmine

3. HOMECENTER.PL MARCIN CWAJNA

   JUNIOR JAVASCRIPT DEVELOPER

   Angular2+npmgit

   Period

   March 2018 - June 2018

   Details

   HOMECENTER.PL MARCIN CWAJNA

   JUNIOR JAVASCRIPT DEVELOPER

   Period

   March 2018 - June 2018

   Tech stack

   Angular2+npmgit

4. GEO-KART S.C.

   

   GEODETA / WEB DEVELOPER

   htmlcss

   Period

   July 2009 - March 2018

   Details

   GEO-KART S.C.(opens in a new tab)

   GEODETA / WEB DEVELOPER

   

   Period

   July 2009 - March 2018

   Tech stack

   htmlcss

   Responsibilities

   in 2017 i decided to change my carrier, first commercial job was create home page of GEO-KART company