Dimitar Slaev, Front-end Developer in Sofia, Bulgaria
Dimitar Slaev

Front-end Developer in Sofia, Bulgaria

Member since June 19, 2016
Dimitar has over eight years of experience in web development, including front-end and UI development, responsive design, animation, and single-page applications. He has been part of several startups, including an international marketplace, a crowd-funding website, and a social media platform.
Dimitar is now available for hire




Sofia, Bulgaria



Preferred Environment

macOS, Visual Code Studio, Node.js

The most amazing...

...thing I've created is a website with experimental JavaScript animations built using GreenSock, CSS3, and Three.js.


  • Freelance Developer

    2012 - PRESENT
    • Built over 20 websites for businesses and individuals.
    • Converted designs into pixel-perfect HTML, CSS, and JavaScript code.
    • Performed various front-end optimizations to improve page speed.
    • Used CSS3 and Scripted Animation on numerous sites.
    • Adapted layouts for mobile devices without existing responsive design.
    • Developed custom WordPress themes.
    • Integrated third-party APIs including marketing tools and social feeds.
    Technologies: HTML, CSS, Responsive, JavaScript, jQuery, GSAP, React, WordPress, Mailchimp, Stripe, Ecwid
  • Full-stack JavaScript Developer

    2018 - 2019
    Nobelar Platform
    • Developed the core product (online auctions) using two-way real-time communication with a Firebase database.
    • Built a Node.js daemon to monitor auctions that are ending soon and update UI for all clients in real-time.
    • Introduced better project architecture and folder structure.
    • Transitioned to the latest version of React supporting hooks.
    • Translated business needs into technical tasks on Trello.
    Technologies: React, Node.js, JavaScript, Firebase
  • Front-end Developer

    2017 - 2018
    Unilend (Crowdfunding for SME)
    • Translated business needs into pixel-perfect landing pages and interactive UIs including charts and data tables.
    • Improved operational efficiency by revamping the company's admin dashboard.
    • Created a document viewer application with built-in image manipulation and text extraction using Ocrad.js.
    • Documented new features, coding style, and best practices in Confluence.
    • Optimized newsletter open rate by introducing new responsive email templates.
    • Gathered information from user heatmaps to improve UI/UX.
    • Developed a custom UI component to visualize active projects on the map.
    Technologies: JavaScript, jQuery, Sass, Twig, Highcharts.js, Mapbox, CloudFlare, Hotjar
  • Senior Software Engineer

    2016 - 2017
    Storat Marketplace
    • Converted designs of Storat.com into a responsive, cross-browser website with RTL support while ensuring great UX and performance.
    • Acknowledged by senior management for saving thousands of dollars by integrating a mobile version in the website.
    • Aided new product development during team meetings in Abu Dhabi and Bangalore.
    • Developed a number of WordPress sites for high-value clients of Storat.com.
    • Deployed static websites on AWS.
    Technologies: JavaScript, jQuery,Sass, Gulp, Browserify, Laravel, Composer, AWS


  • Advanced Data Search (Development)

    In the course of one month, I managed to deliver the design in Figma and front-end development in React (including desktop and mobile) of a small data search application. Pages included; landing page, multi-step registration, profile, and a search page with an advanced search filters tab.

    Technologies: Figma, React, React Bootstrap, REST API

  • Platform (Development)

    Platform is an award-winning design/UX agency, and as such, it required an innovative website with experimental JavaScript and CSS animations as well as advanced user interactions (including custom scrolling, parallax sliders, detecting user location, and conversational contact forms).

    Technologies: Greensock (GSAP), CSS3, jQuery, ECMA 6, Three.js, Pipedrive

  • Open-source Collection (Other amazing things)

    A collection of open-source projects and plugins that I have authored.

    Technologies: JavaScript, React, UI/UX

  • Nobelar Landing Page (Development)

    Nobelar is a social platform for influencers. In this project, I converted the design of the platform's landing page into a responsive HTML site written in pure CSS and JavaScript. The sign-up form stores data in both Firebase and Mailchimp, while also sending a confirmation email to the user.

    Technologies: Bootstrap Grid, SVG, Sass, Vanilla JavaScript, Mailchimp, Firebase Cloud Functions, Node.js

  • Storat.com (Development)

    I was in charge of the HTML integration of Storat.com's beta version including a style guide, homepage, single listing, category, and search engine. In addition, I developed the Ajax-powered forms for user registration and profile, image upload and user store customization. I also implemented the Arabic version of the site with full RTL support.

    Technologies: HTML5, Sass (BEM), jQuery, Bourbon Neat, Vue.js, Masonry

  • Storat Landing Page (Development)

    I helped develop a responsive landing page for Storat.com. I was responsible for the HTML integration, Gulp workflow, RTL support, and maintenance of the site.

    Technologies: Gulp, jQuery, Sass, Responsive, RTL

  • Trip-booking Calendar (Development)

    I developed a responsive trip-booking calendar that was built dynamically from a JSON file with trip dates. It included list-and-calendar views and was designed in Photoshop. It's written in pure JavaScript and CSS.


  • Languages

    JavaScript, HTML/CSS, HTML5, Sass, PHP
  • Libraries/APIs

    GSAP, React, jQuery, Node.js, Stripe, Pipedrive API, HTML5 APIs, Anime.js, Flexbox
  • Paradigms

    Responsive Web Design (RWD), SMACSS, Declarative Programming, BEM
  • Other

    Front-end, Responsive Email Templates, SVG, Sketch to HTML, PSD to HTML, CSS3 Animation, Scripted Animation (JavaScript), UI Development, Pixel Perfect, Responsive Design, Postmark, Styled Components, Logo Animation, UI Animation
  • Platforms

    Firebase, WordPress
  • Frameworks

    Bootstrap 4
  • Tools

    MailChimp, Gulp.js, JSS


  • Bachelor's degree in Communications and Marketing
    2006 - 2010
    Hult University - London, UK

To view more profiles

Join Toptal
Share it with others