Petar Petrovic

Freiberuflich, SENIOR FULL STACK DEVELOPER | TYPESCRIPT, PYTHON, C#, PHP, 11 YEARS EXP, Self-employed
Zagreb, Croatia

Skills

Software Development
Web and Mobile Application Development
Javascript/Typescript
C# Development
Python
Java
React
Next
Redux
Vue
Nuxt
Vuetify
Angular
Ngrx
Rxjs
TailwindCSS
Material-UI
Node.js
Nest
Express
Meteor
Laravel
Symfony
.NET
Django
React Native
Flutter
MySQL
PostgreSQL
MongoDB
AWS
GCP
Docker
Docker Compose
CI/CD Pipeline (Jenkins/ Git Actions)
Git
GitHub
Agile (Scrum/ Kanban)
CI/CD (continuous integration/delivery)
Test Driven Development (TDD)
Domain-driven Design (DDD)
Object Oriented Programming (OOP)
Agile/Scrum Methodology
Unit Testing
E2E Testing

Timeline

Professional experience for Petar Petrovic

  • Current 1 year and 7 months, since Apr 2025

    SENIOR FULL STACK DEVELOPER | TYPESCRIPT, PYTHON, C#, PHP, 11 YEARS EXP

    Self-employed

  • 5 years and 4 months, Oct 2019 - Jan 2025

    Senior Full Stack Developer

    Subpixel

    -Built headless CMS for a top travel eCommerce site using React, TypeScript, Jotai, Strapi, and .NET. -Created AI SaaS with Next.js, TypeScript, Nest.js, D3, and GraphQL. -Upgraded SaaS with Vue.js, Vuex, and Django, boosting UX and backend flow. -Aided in real-time API integration for a Flutter-based mobile app. -Built Angular eCommerce platform using Ngrx and RxJS. -Made local proxy simulating Netlify rewrites via frontend middleware. -Mentored juniors on bugs, structure, and dev best practices.

  • 4 years and 6 months, Apr 2015 - Sep 2019

    Full Stack Developer

    Mavan Mule

    -Developed eCommerce platform with React, Express, and RESTful APIs. -Built high-performance healthcare app using React.js and .NET for superior UX. -Created customer service platform with Laravel and Vue to improve client support. -Enhanced visualizations using D3.js, Highchart, and custom libraries. -Collaborated in Agile Scrum team for Children Care Management System. -Refined UI elements based on designer’s custom designs. -Partnered with test engineers for robust security testing.

  • 1 year and 11 months, May 2013 - Mar 2015

    Software Engineer

    En Core Media

    -Contributed to a data analysis platform built on Laravel & jQuery. -Developed client UI using PHP, JavaScript, HTML, and graphic tools. -Created and maintained websites/applications with HTML, CSS, and PHP. -Designed and programmed complex stored procedures, triggers using MySQL. -Utilized various CMS platforms and developed internal CRM systems. -Built AngularJS components for short-term landing pages. -Extensively used JavaScript for dynamic web content.

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