Overview
Work History
Education
Skills
Timeline
Generic

MARIO HRŽINA

Bunjani

Overview

4
4
years of professional experience

Work History

Front End Developer

Calzedonia Digital
Zagreb
02.2023 - Current
  • Developed responsive, high-traffic e-commerce web interfaces using HTML, CSS, and JavaScript, serving millions of users.
  • Worked with the Deloitte Digital team to deliver enterprise-grade e-commerce solutions.
  • Built and maintained storefront features on Salesforce Commerce Cloud (B2C).
  • Implemented and customized e-commerce components such as product listings, PDPs, cart, checkout, and promotions.
  • Integrated RESTful APIs to support product catalogs, pricing, inventory, and order management.
  • Optimized frontend performance to improve page load times, conversion rates, and overall shopping experience.
  • Supported marketing initiatives by developing landing pages and campaign features that increased user engagement and conversions.
  • Collaborated with cross-functional teams (design, backend, QA, marketing) to enhance site functionality and UX.
  • Ensured cross-browser and cross-device compatibility through thorough testing and debugging.
  • Followed best practices for code quality, maintainability, and scalability in a fast-paced, deadline-driven environment.
  • Participated in code reviews, providing constructive feedback and contributing to team standards.
  • Created clear technical documentation for reusable front-end components.
  • Used version control systems (Git) to manage code changes and support efficient team collaboration.

Frontend Developer

Node Factory
Zagreb, Croatia
02.2022 - 02.2023
  • Developed responsive web applications using HTML, CSS, and JavaScript frameworks.
  • Collaborated with designers to implement user-friendly interfaces and enhance UX/UI.
  • Optimized website performance through code refactoring and efficient asset management.
  • Designed user-friendly interfaces, improving overall user experience across platforms.
  • Conducted research on emerging technologies to drive innovation in product development.
  • Continuously updated skills through training courses, workshops, and self-study—staying current on industry trends and emerging technologies.
  • Integrated RESTful APIs to improve application functionality and data management.
  • Developed responsive decentralized application (dApp) interfaces interacting with smart contracts.
  • Integrated blockchain wallets for secure user authentication and transaction signing.
  • Worked closely with smart contract developers to ensure accurate data handling and UX consistency.
  • Managed blockchain network states (testnet/mainnet) within frontend environments.

Education

Bachelor of Science - Informatics

Faculty of Organization And Informatics
Varaždin, Croatia

Skills

  • HTML
  • CSS (Sass and other CSS libraries)
  • JavaScript
  • jQuery
  • TypeScript
  • React
  • Vuejs
  • Nuxtjs
  • Nextjs
  • REST API
  • GraphQL API
  • Git
  • GitHub
  • GitLab
  • Jira
  • Confluence
  • PHP
  • Nodejs
  • PostgreSQL
  • MySQL
  • Salesforce

Timeline

Front End Developer

Calzedonia Digital
02.2023 - Current

Frontend Developer

Node Factory
02.2022 - 02.2023

Bachelor of Science - Informatics

Faculty of Organization And Informatics
MARIO HRŽINA