Nikola Arsic avatar

Technology Stack & Professional Expertise

Explore my comprehensive technology stack and professional expertise across frontend, backend, and e-commerce platforms. This curated collection represents the frameworks, languages, and tools I leverage to build scalable, high-performance web applications for clients and projects worldwide.

Programming languages

  • JavaScript

    My primary programming language with extensive expertise across frontend and backend development, enabling me to build scalable, high-performance web applications.

  • TypeScript

    The standard for all my recent projects, providing type safety and enhanced developer experience for building robust, maintainable codebases.

  • PHP

    My foundational language for server-side development, actively used for Laravel projects, WordPress customization, and legacy system maintenance.

Frontend frameworks

  • Vue.js

    My first frontend framework with deep expertise. Extensively used for building interactive user interfaces and complex single-page applications.

  • Next.js

    My preferred framework for production websites where performance, SEO, and server-side rendering are critical. Perfect for building modern, fast, and SEO-optimized web applications.

  • Nuxt.js

    Proficient in both SSG (Static Site Generation) and SSR (Server-Side Rendering) implementations for high-performance Vue.js applications.

  • React.js

    Primary framework for the majority of my projects over the past three years, with extensive experience building component-based architectures and state management solutions.

  • Angular

    Experience building enterprise-level applications with Angular's comprehensive framework and TypeScript integration.

  • jQuery

    Solid foundation in jQuery from early career (2016+), enabling me to maintain and modernize legacy codebases efficiently.

Backend frameworks

  • Laravel

    My go-to PHP framework for building RESTful APIs, web applications, and complex backend systems with elegant syntax and robust features.

  • Express.js

    Experienced in building lightweight, scalable Node.js backend services and RESTful APIs with Express.js middleware architecture.

E-commerce & CMS

  • Shopify

    Experienced in custom Shopify theme development, Liquid templating, app integration, and e-commerce optimization for online stores.

  • WordPress

    Expert in custom theme development, plugin creation, and WooCommerce customization for small to medium-sized projects.

  • Strapi

    Proficient in building headless CMS solutions with Strapi for flexible content management and API-first architectures.

  • PrestaShop

    Extensive experience developing custom PrestaShop themes and modules, particularly for enterprise e-commerce solutions.

  • Joomla

    Skilled in Joomla maintenance, updates, and custom extension development for legacy systems.

  • Magento

    Experience building and customizing enterprise e-commerce platforms with Magento's powerful architecture.

CSS Frameworks

  • Tailwind CSS

    My preferred utility-first CSS framework for rapid UI development with consistent, maintainable styling and excellent developer experience.

  • Bootstrap

    Strong foundation in Bootstrap, used extensively for responsive design and quick prototyping across numerous projects.

  • Vuetify

    Extensive experience building Material Design dashboards and admin panels with Vue.js and Vuetify's comprehensive component library.

  • Material-UI (MUI)

    Primary choice for React-based client dashboards, leveraging Material Design principles for professional, accessible user interfaces.

Technical SEO Implementation Consulting

  • Next.js SEO Implementation

    Consulting SEO teams on implementing technical SEO for Next.js e-commerce platforms, including server-side rendering configuration, metadata optimization, dynamic sitemap generation, and performance fixes.

  • Core Web Vitals Optimization

    Helping teams implement Core Web Vitals improvements (LCP, FID, CLS) for e-commerce sites through code-level optimizations, lazy loading strategies, image optimization, and render-blocking resource elimination.

  • Structured Data Deployment

    Guiding teams through implementing Schema.org markup for products, reviews, breadcrumbs, and rich snippets across CMS platforms, ensuring proper JSON-LD structure and validation.

  • Technical SEO Issue Resolution

    Consulting on fixing crawlability issues, indexation problems, duplicate content, canonical implementations, and robots.txt configuration across Shopify, PrestaShop, WordPress/WooCommerce, and custom platforms.

  • Implementation Strategy Development

    Creating detailed technical implementation roadmaps for SEO teams, documenting fix procedures, prioritizing technical debt, and establishing best practices for multi-CMS environments.