Marko .

Marko .

Novi Sad, Serbia
Hire Marko . Hire Marko . Hire Marko .

About Me

Marko is an experienced React.js Developer building aesthetic and interactive UIs, efficient web servers and full responsive static websites on projects. He has experience across multiple technologies - making architecture and design decisions to enhance program execution and functionality. He builds technical processes, selects frameworks and establishes design patterns - writing efficient, testable, and reusable components on projects.

Frontend

React.js JavaScript

Backend

Node.js Express

Database

PostgreSQL MongoDB

DevOps

AWS

Other

Redux Redux-Saga Typescript GatsbyJS Web Socket Graphql

Work history

UpStack
UpStack
React.js Developer
2022 - Present (3 years)
Remote

  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

React.jsTypescriptReduxRedux-SagaGatsbyJSWeb SocketNode.jsExpressPostgreSQLGraphqlMongoDBAWS
Nortik Software
Nortik Software
Fullstack Engineer
2020 - Present (5 years)
Novi Sad, Serbia

  • Designed and implemented the initial foundation layer on an e-commerce website for a food and beverage startup.

  • Implemented solutions to optimize images for better performance on websites - converting functional components into high-quality code.

  • Removed unnecessary renders, added lazy-loading patterns, tested components and improved SEO for the website.

React.jsReduxGatsbyJSGraphqlReact HooksReact ContextJestEnzymeNode.jsExpressJIRAPostgreSQLTypescriptAWS
BalanceChat
BalanceChat
Frontend Developer
2017 - 2020 (3 years)
Remote

  • Built and implemented UI components and the chat logic on the BalanceChat app - establishing the WebSocket connection with the server.

  • Designed, developed and deployed highly available, performant and efficient servers on the project.

  • Built custom schemas, methods and data flow on BalanceChat - implementing solutions to adjust the data structure and format.

React.jsReduxWebSocketNode.jsExpressSocket.ioMongooseCSSMongoDBJIRAJavaScriptTypescriptPostgreSQL
MJR Company
MJR Company
Frontend Developer
2016 - 2017 (1 year)
Germany

  • Wrote clean and efficient code to improve the overall performance and scalability of solutions on the project.

  • Designed and developed an interactive photo gallery and custom language switcher features for the client.

  • Designed and implemented process improvements for database fields and associated functionalities on the project.

React.jsReduxGatsbyJSCSSGraphqlPHPI18nJavaScript

Showcase

Fullstack Engineer - E-Commerce App
Fullstack Engineer - E-Commerce App

  • Developed a web application for an e-commerce platform with user authentication for cart management and order placement.

  • Designed and implemented the user interface and data flow, including frontend development and integration with the Express server.

  • Implemented JSON Web Tokens (JWT) for secure authentication and authorization, connecting the frontend to the backend.

Frontend Developer - Slack-like Chat App
Frontend Developer - Slack-like Chat App

  • Developed a Slack-like chat application with multiple chat channels and room features.

  • Implemented an Express server for basic CRUD operations and a WebSocket connection for real-time chat.

  • Utilized modern frontend tools to enhance application performance.

Frontend Developer - Presentational Website
Frontend Developer - Presentational Website

  • Migrated a website to GatsbyJS, implementing interactive photo galleries, multi-language support, and language switching functionality.

  • Implemented i18next for custom language management and optimized image delivery.

  • Integrated GraphQL for data fetching and Gatsby plugins to enhance performance and image optimization.

Education

Fullstack Development
Fullstack Development
Zero to Mastery Academy
2019 - 2020 (1 year)