Publication
What CSS Developers Do and Why You Need One
https://www.toptal.com/developers/css/why-you-need-a-css-developer
Silvestar is available for hire
Hire SilvestarSilvestar Bistrović
Verified Expert in Engineering
UI Developer
Josipovac, Croatia
Toptal member since April 6, 2017
Bio
Silvestar is a senior front-end developer. With 14 years of experience, he builds fast, maintainable marketing websites for product companies including Westwing, Domino Data Lab, Wunder Mobility, and Heyflow. He specializes in modern CSS, static site generators (Eleventy, Hugo, Jekyll), headless CMS integrations like Contentful, custom WordPress websites, and Shopify themes. He writes about CSS for known publications like CSS-Tricks and Smashing Magazine, and runs the UI Dev Newsletter.
Portfolio
Self-employed
WordPress, Jamstack, JavaScript, CSS, HTML, API Integration, Figma...
Heyflow
HTML, CSS, JavaScript, Static Site Generators, Contentful, Cloudinary
Farmeron
AngularJS, jQuery, JavaScript, CSS, HTML, Node.js
Experience
- CSS - 7 years
- User Interface (UI) - 7 years
- WordPress - 7 years
- HTML - 7 years
- Git - 7 years
- JavaScript - 7 years
- Shopify - 3 years
- Jamstack - 3 years
Work Experience
Web Developer
2017 - PRESENT
Self-employed
- Cooperated with prominent clients from all over the world, including the United States, Canada, the United Kingdom, Germany, Denmark, Spain, and Saudi Arabia.
- Specialized in building modern, responsive user interfaces.
- Worked with many different platforms such as WordPress, Shopify, Jekyll, and Hugo.
Technologies: WordPress, Jamstack, JavaScript, CSS, HTML, API Integration, Figma, Dynamic Websites, Flexbox, Front-end Development, Responsive Design, Multilingual Websites, Web Accessibility, Web Content Accessibility Guidelines (WCAG)
Web Developer
2023 - 2026
Heyflow
- Built a website using the static site generator Eleventy.
- Integrated Contentful, a 3rd-party service for content management.
- Integrated Cloudinary, a 3rd-party service for asset management.
Technologies: HTML, CSS, JavaScript, Static Site Generators, Contentful, Cloudinary
Front-end Developer
2015 - 2017
Farmeron
- Built a style guide for an enterprise dairy industry system.
- Developed an application for generating dynamic reports of dairy processes using AngularJS.
- Created a single-page dairy industry application using the UI library.
- Worked on building an interface for the dairy industry modules.
- Organized front-end workshops for a cross-functional team of more than twenty developers.
Technologies: AngularJS, jQuery, JavaScript, CSS, HTML, Node.js
Web Developer
2012 - 2015
ICTmedia
- Worked on an interface for a business intelligence application.
- Delivered complete CRM solution for a local business incubator, including handling every tenant, generating monthly-based reports, and generating invoices.
- Delivered a complete CRM solution for a property agency, including handling every real estate property, generating custom brochures, and publishing real estate on a live site.
- Delivered an application for handling property-based call centers.
- Worked on the development of a custom CMS solution for multi-language websites.
Technologies: jQuery, HTML, CSS, PHP
Project History
Web Developer
https://www.wundermobility.com/Wunder Mobility is the leading software and hardware provider for vehicle sharing, whose highly customizable and deeply integrated software solution is complemented by a sharing-ready vehicle program built in partnership with leading manufacturers. The site runs on Jekyll, Contentful, and Netlify. I was tasked with developing and maintaining the company website.
Westwing
https://www.westwing.com/Westwing is a "curated shoppable magazine," inspiring customers daily with the newest trends, themes, stories, brands, and products from the world of home and living. The website runs on Hexo, Netlify CMS, Netlify, and GitHub. I was in charge of developing and maintaining the company website.
Domino Data Lab
https://www.dominodatalab.com/Domino Data Lab empowers data science teams with the leading, open data science platform that enables enterprises to manage and scale data science with discipline and maturity. The website runs on Jekyll and Netlify. My responsibilities included developing and maintaining company websites.
Credit Card Insider
Credit Card Insider is a New York-based consumer education company whose mission is to empower people to use credit cards effectively and confidently.
The website runs on WordPress and WP Engine. I took responsibility for developing and maintaining the company website.
The website runs on WordPress and WP Engine. I took responsibility for developing and maintaining the company website.
Pinecone
https://www.pinecone.io/Pinecone is a managed database that provides ML applications' infrastructure that needs to search and rank results based on similarities, such as recommendations, personalization, image search, and more. The website runs on Hugo. I was tasked with developing and maintaining the company website.
Bozzuto
https://www.bozzuto.com/The Bozzuto Group is a building company that specializes in residential buildings. They build apartments, houses, and student residences for universities like the University of Baltimore. The website runs on WordPress.
I developed UI components for the company website.
I developed UI components for the company website.
TheGrio
https://thegrio.com/TheGrio is the first video-centric news community site devoted to providing African Americans with stories and perspectives that appeal to them but are underrepresented in existing national news outlets. The site runs on WordPress.
Little Bundle
Little Bundle is a US-based company that aims to maximize children's health by making high-quality formulas easily accessible when you're ready to transition from or supplement breastfeeding. The site runs on Shopify. I developed and maintained the webshop.
Domino Data Lab Pop-up
https://www.dominodatalab.com/Domino Data Lab empowers data science teams with the leading, open data science platform that enables enterprises to manage and scale data science with discipline and maturity.
Model-driven companies, including Allstate, Dell Technologies, and Bayer, use Domino as a data science system of record to accelerate breakthrough research, increase collaboration, and rapidly deliver high-impact models.
The website runs on WordPress.
Model-driven companies, including Allstate, Dell Technologies, and Bayer, use Domino as a data science system of record to accelerate breakthrough research, increase collaboration, and rapidly deliver high-impact models.
The website runs on WordPress.
Domino Data Lab Rev
https://rev.dominodatalab.com/Domino Data Lab empowers data science teams with the leading, open data science platform that enables enterprises to manage and scale data science with discipline and maturity. Model-driven companies, including Allstate, Dell Technologies, and Bayer, use Domino as a data science system of record to accelerate breakthrough research, increase collaboration, and rapidly deliver high-impact models.
The website runs on Jekyll.
The website runs on Jekyll.
Contiamo
https://www.contiamo.com/Contiamo is a Berlin-based startup developing enterprise software that acts as the single source of data for all data use cases. They provide customers with cutting-edge data solutions, using the latest technologies to ensure they get the best results.
The site runs on Middleman, Webpack, Netlify, and GitHub.
The site runs on Middleman, Webpack, Netlify, and GitHub.
Moodings
Moodings is an eCommerce website from Copenhagen, Denmark. By curating upcoming and established design and art, Moodings helps designers and artists compete on the market. The website runs on Shopify.
Calvert
Calvert Research and Management combines deep industry experience, a principled approach, global reach, and active corporate engagement to help meet its client's needs and goals. The website runs on a custom CMS solution.
Netki
https://netki.com/Netki ensures compliance and prevents fraud for all your digital transactions with our fully automated and scalable KYC and travel rule compliance solutions. The website runs on WordPress and WP Engine.
Han Han Xue
https://www.hanhanxue.com/Han Han Xue is an interdisciplinary designer and FX technical director from Montreal, Canada creating incredible concepts and reels.
The site runs on Middleman, Netlify, and Bitbucket. Featured on JAMstack.
The site runs on Middleman, Netlify, and Bitbucket. Featured on JAMstack.
Irina and Matej
https://irinaandmatej.com/Irina and Matej are wedding and portrait photographers whose photojournalistic approach is characterized by telling the story through emotions, candid moments, details, tones, movement, and beautiful imperfections.
The site runs on WordPress, DigitalOcean, and Cloudflare.
The site runs on WordPress, DigitalOcean, and Cloudflare.
Education
2005 - 2011
Master's Degree in Communications and Information
Faculty of Electrical Engineering - Osijek, Croatia
Skills
Libraries/APIs
jQuery, Liquid, Flexbox, WordPress REST API, Parallax, Node.js
Tools
Gulp, Git, Jekyll, Terminal, ACF PRO, Shopify Plus, Middleman, Figma, Webpack, GitHub
Languages
Hugo, JavaScript, CSS, ECMAScript (ES6), Markdown, HTML5, CSS3, Sass, SCSS, HTML, PHP
Frameworks
Chrome, Bootstrap, Vanilla JS, AngularJS
Paradigms
Jamstack, BEM, Responsive Web Design (RWD), On-page SEO, Split Testing, Hosting, Agile, UI Design
Platforms
Netlify, Shopify, MacOS, WordPress, Contentful, HubSpot
Storage
WP Engine
Other
GitFlow, Site Speed Optimization, CSS3 Animation, Blogging, Style Guides, Critical-path CSS, WordPress Themes, User Experience (UX), SVG, Front-end, User Interface (UI), Page Speed Optimization, Pixel Perfect, Web UI, UI Development, Landing Pages, Web Development, Dynamic Websites, Front-end Development, Responsive Design, Landing Page Optimization, Google Fonts, PSD Slicing, PSD, PSD to HTML, UI Animation, API Integration, eCommerce, A/B Testing, Image Optimization, Performance Optimization, Shopify Theme, Accessibility, Multilingual Websites, Web Accessibility, Design, Lottie, HubSpot CRM, Static Site Generators, Cloudinary, Web Content Accessibility Guidelines (WCAG)
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