Aleksandar Perisic
Verified Expert in Engineering
WordPress Developer
Sarajevo, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina
Toptal member since January 14, 2022
Aleksandar is a full-stack developer with 10+ years of experience in HubSpot, WordPress, and marketing technology. Specializing in AI-powered automation using tools like n8n, Zapier, and LLMs (ChatGPT, Anthropic, Perplexity), he builds agentic systems with RAG, voice interfaces, calendar booking, and end-to-end workflows that streamline operations and connect platforms. Trusted by marketing teams, Aleksandar evolves digital stacks and eliminates bottlenecks through smart, scalable automation.
Portfolio
Experience
- Website Optimization - 9 years
- WordPress Themes - 9 years
- Sass - 6 years
- PHP - 6 years
- BrowserStack - 6 years
- GreenSock Animation Platform (GSAP) - 4 years
- JavaScript - 4 years
- Git - 4 years
Availability
Preferred Environment
Git, WordPress, GSAP, HubSpot, HubL, Websites, Web Development, n8n, Make, Automation
The most amazing...
...solution I've built is an AI system that automates bookings via natural language, merging voice input, calendar syncing, and LLMs to act like a human assistant.
Work Experience
Full-stack Developer
Marketing Client
- Developed and maintained HUBL templates and modules for the marketing team.
- Created custom modules to be used inside landing pages with a combination of HubDB as global blocks.
- Made integrations with Zapier about scheduling repetitive tasks, sending forms to ChatGPT, and displaying responses.
- Created dynamic modules, utilizing WordPress as the data source and using APIs to display data inside HubSpot custom modules.
- Performed comprehensive website audits, including keywords and detailed and structured assessments with reports.
- Created an action plan for a whole year where we replaced legacy HubSpot templates with new templates and modules—dropping more than 200 modules from CMS's back end.
- Created a functional stage environment for Pages and Posts inside HubSpot so we could work without affecting the live environment.
Full-stack Web Developer
Regiondo GmbH
- Supported the marketing team with new WordPress and HubSpot features.
- Conducted comprehensive website audits (360⁰ audits with detailed assessments and solutions).
- Acted as a technical SEO consultant powered by Semrush and Ahrefs (GA4, keywords, A/B testing, structured data).
- Managed the company's WordPress website, including the back and front end, plugins, and new features. Created a layout builder and planned a future with Gutenberg and Headless.
- Managed the company's HubSpot website, including the back and front end, design, prototyping, and development of new modules and layouts.
- Developed integrations with other services like HubSpot, n8n, and APIs.
Senior WordPress Developer
Decom d.o.o.
- Created eye-catching and responsive WordPress themes and functional plugins for client needs.
- Built robust, responsive WordPress themes from scratch using Figma, Sketch, and Adobe XD.
- Replaced legacy code with advanced solutions, including Layout Builder using the ACF plugin.
- Developed customizable templates with advanced WordPress API integrations.
- Automated project deployments from the local environment to staging and live with various tools, including GitHub and Bitbucket pipelines.
- Converted and implemented PSD, Figma, and Sketch to WordPress.
- Developed the website motion and animations, including scroll animations, horizontal scroll, vertical scroll, and animations on scroll.
- Created the responsive web design with detailed cross-browser testing across all devices with BrowserStack.
- Conducted technical and SEO audits, achieving a 16% organic traffic boost through detailed keyword optimization strategies.
Experience
Travelic—Travel Agency Website
We completed the required tasks on time and delivered more than the client requested as we changed the hosting to UpCloud and improved the speed score by 20% more than planned.
EasyBilanz—Invoicing Inside WordPress
Custom Animations for Web
Website Audits, Web Vitals, Technical Optimization
• Code optimization: Minified and combined stylesheets and scripts to reduce load times and improve render blocking.
• Legacy Upgrades: Refactored outdated codebases to align with modern web standards.
• Cross-browser testing: Utilized BrowserStack to perform real-device testing across iOS, Android, Windows, and macOS platforms for seamless cross-browser compatibility.
• Web performance enhancements: Streamlined assets through image compression and lazy loading. Implemented advanced speed optimization strategies to ensure top-tier Web Vitals scores.
• Caching and CDN integration: Deployed and fine-tuned Cloudflare, CDN, and both server-side and client-side caching mechanisms to boost performance and reduce latency.
These audits significantly improved load times, Core Web Vitals metrics, and overall site efficiency, ensuring an optimal user experience and enhanced technical SEO performance.
Extending Gravity Forms Survey Add-on
Certifications
Certified HubSpot CMS Developer II
HubSpot
Certified HubSpot CMS Developer
HubSpot
Skills
Libraries/APIs
REST APIs, WooCommerce API, jQuery, Stripe, React, GSAP, WordPress API, WordPress REST API, Trello API, ScrollMagic
Tools
WPML, Google Analytics, NPM, Composer, Webpack, Figma, Gutenberg Editor, Zapier, Git, BrowserStack, Trello, Microsoft Teams, PhpStorm, Plesk, GitHub, Subversion (SVN), Gulp, Mailchimp, Advanced Custom Fields (ACF), ACF PRO, Ubersuggest, Moz, Ahrefs, n8n, Make
Languages
PHP, HTML, CSS, HTML5, ECMAScript (ES6), HubL, JavaScript, Sass, GraphQL, SCSS
Paradigms
Responsive Layout, Responsive Web Design (RWD), Responsive, Search Engine Optimization (SEO), Hosting, Continuous Deployment, Keyword Research, REST, Agile, Automation
Platforms
WordPress, WooCommerce, HubSpot, GreenSock Animation Platform (GSAP), Netlify, AWS Lambda, Windows, Docker, WordPress Theme Design, Web
Storage
MySQL, Web Forms
Industry Expertise
Marketing
Frameworks
Divi, Bootstrap
Other
WordPress Themes, Cross-browser Testing, Cross-browser Compatibility, PSD to WordPress, Sketch to WordPress, WordPress Plugins, WordPress Design, APIs, SEO Audits, Front-end Development, Responsive UI, Google Tag Manager, Web Security, Design, Full-stack, SSL, Webhooks, eCommerce, Performance, Scraping, Theme Development, Beaver Builder, Web UX, Content Marketing Platforms, Core Web Vitals, Page Speed Optimization, Performance Optimization, Front-end, Website Optimization, WordPress to PDF, Google Insights, Scroll Animations, User Experience (UX), User Interface (UI), Gatsby, Headless Software, Payment APIs, Email Automation, Email Marketing Automation, Email Marketing, DOM, SSH, HTML to WordPress, Server Backups, Website Transfers, Disaster Recovery Plans (DRP), PSD to Mailchimp, Gravity Forms, Multilingual Websites, Yoast SEO, PDF, Data Transfers, CSV Export, CSV File Processing, Animation, Web Animation, Slider Design, Landing Pages, Landing Page Optimization, Web Development, Surveys, Forms, Keyword Analysis, SEO Keyword Research, Semrush, Competitor Analysis & Profiling, Website Ranking, Google, Google Rankings, HubSpot CRM, Websites
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