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, focusing on front-end, UI/UX, single-page applications, responsive design, and animation. With strong work ethics and communication skills, he has played an important role in international startups and UI/UX agencies.
Dimitar is now available for hire




Sofia, Bulgaria



Preferred Environment

Node.js, Visual Studio Code, MacOS

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/JS code.
    • Performed front-end optimization to improve page speed.
    • Used CSS3 and Scripted Animation on numerous sites.
    • Adapted layouts for mobile devices without existing responsive design.
    • Performed advanced lazy-loading of images and videos.
    • Developed custom WordPress themes.
    • Integrated third-party APIs including marketing tools and social feeds.
    Technologies: Ecwid, Stripe, Mailchimp, WordPress, React, GSAP, jQuery, JavaScript, Responsive, CSS, HTML
  • 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.
    • Developed the authentication flow including register, email/social login, reset password, and confirm email.
    • Developed the user profile page including phone validation and avatar image upload.
    • Introduced better project architecture and folder structure.
    • Transitioned to the latest version of React supporting hooks.
    • Developed all transactional emails using Nodemailer and Firebase Cloud Functions.
    • Translated business needs into technical tasks on Trello.
    Technologies: Firebase, JavaScript, Node.js, React
  • Front-end Developer

    2017 - 2018
    Unilend (Crowdfunding for SME)
    • 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.
    • Developed a custom UI component to visualize active projects on the map.
    • Developed interactive data-visualization UI components.
    • Optimized newsletter open rate by introducing new responsive email templates.
    • Translated business needs into pixel-perfect landing pages.
    • Gathered information from user heatmaps to improve UI/UX.
    • Documented new features, coding style, and best practices in Confluence.
    Technologies: Hotjar, Cloudflare, Mapbox, Highcharts, Twig, Sass, jQuery, JavaScript
  • 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: Amazon Web Services (AWS), AWS, Composer, Laravel, Browserify, Gulp.js, Sass, jQuery, JavaScript


  • Apteka

    A location-based app that allows users to search for anti-viral products (e.g., masks and sanitizers) near their GPS coordinates or an address. Pharmacies can register and update their products using a dashboard.

    Technologies: React, React Bootstrap, Firebase, Mapbox, Figma, SVG, Responsive Web Design

  • Advanced Data Search

    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

    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

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

    Technologies: JavaScript, React, UI/UX

  • Nobelar Landing Page

    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

    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

    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

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

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

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

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

    Firebase, MacOS, Visual Studio Code, Mapbox, Amazon Web Services (AWS), WordPress
  • Frameworks

    Twig, Laravel, Bootstrap
  • Tools

    Hotjar, Browserify, Composer, Ecwid, Mailchimp, Gulp.js, JSS


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

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