Sebastian Dietz
Verified Expert in Engineering
Web Developer
Bahía Blanca, Buenos Aires Province, Argentina
Toptal member since July 2, 2017
Sebastian is an experienced web developer with more than nine years working with HTML, CSS, PHP, MySQL, WordPress, PSD/AI to HTML, Bootstrap, JavaScript, jQuery, responsive design, and more. He's proactive, efficient, organized, creative, and communicative—a natural leader who enjoys teamwork and the challenges of new projects and technologies. Sebastian's always trying to learn new skills and provide new insights from a different point of view.
Portfolio
Experience
- WordPress - 15 years
- HTML - 14 years
- CSS - 14 years
- PSD to HTML - 10 years
- JavaScript - 10 years
- jQuery - 8 years
- Responsive UI - 8 years
- Bootstrap 5 - 3 years
Work Experience
Web and WordPress Developer | PSD-to-HTML Expert | Problem Solver
Freelance Work
- Converted PSD-to-HTML pages using Bootstrap as the responsive framework.
- Created WordPress websites from scratch; using themes as a base for the development.
- Maintained multiple WordPress websites—doing visual changes, updates, backups, enhancements and developing new tailored solutions.
- Offered consultancy services.
Web Developer | Project Leader | Owner
Estudio Sarasa!
- Created sites from PSD to HTML/CSS, made them fully functional, and integrated them many admin panels (included my own developed administration tools).
- Created and maintained WordPress websites; based on available themes and updated them to match the clients' needs.
- Conducted many projects as a leader—maintaining fluid communication with clients and guiding the team to project success.
- Developed many web-based CMS which I tailored to the clients' needs.
- Maintained many websites—updating the contents and the look and feel, including the design of small pieces as needed.
- Administered to many hosting accounts—including WHM, cPanel, and more, including backups, restorations, DNS delegations and configurations, and domain registration and configuration.
Web Developer | Programmer
Huddle Group S.A.
- Updated the content of many digital books—using mainly Adobe Flash to edit the animations.
Web Developer | Programmer
Vientros
- Developed many WordPress websites; based on designs provided by other members of my team.
- Built Joomla! websites; based on designs provided by other members of my team.
- Developed Adobe Flash animations and websites; based on designs provided by other members of my team.
Project History
MyExcelOnline: WordPress Development and Maintenance
https://www.myexcelonline.comWips: WordPress Website Development and Maintenance
https://wips.digitalShell Bahía
The project also has an admin panel for uploading news and updating the site content which was made by us.
We gave the client a new and renovated design and perspective from what he had in the past.
Commit100
http://www.commit100.com/He wanted the code and libraries to be light-weight so that we could speed-up the loading process.
Artium Website
http://www.artium.com/I approached the design by myself—basing my work on some sites and themes that the client stated he liked. The main site is developed using WordPress with the Avada theme for the front-end. It also has some special sections for logged-in users, provided by the Customer Area plugin.
Argentina Crossing CMS
It helped our client to enhance its productivity and grow their users, since it automates many parts of their business and allows everyone to access the data and the tool via the web.
Education
Bachelor's Degree in Computer Science
Universidad Nacional del Sur - Bahía Blanca, Argentina
Skills
Libraries/APIs
jQuery, REST APIs, Stripe
Tools
Sublime Text, Figma, Git, Photoshop CS6, Google Analytics, FileZilla, Gutenberg Editor, n8n, Subversion (SVN), Adobe Photoshop, Adobe Illustrator, TortoiseSVN, Illustrator CS6, Trello, GitHub, Webpack, NPM, Composer, NGINX, Stripo, Adobe Experience Design (XD), Advanced Custom Fields (ACF)
Languages
JavaScript, HTML5, CSS, CSS3, HTML, PHP, PHP 5, SCSS, SQL, Sass, Liquid Template
Frameworks
Bootstrap, Bootstrap 3, Twig, Laravel, CodeIgniter
Paradigms
Responsive, Responsive Layout, Responsive Coding, Responsive Web Design (RWD), Hosting, Search Engine Optimization (SEO), Visual Design, Kanban, Object-oriented Programming (OOP), Web UX Design, DevOps
Platforms
WordPress, Web, cPanel, Craft CMS, WooCommerce, LAMP, Bluehost, NetBeans, WHMCS, Joomla, Linux, HubSpot, Kubuntu Linux, DigitalOcean
Storage
MySQL
Industry Expertise
Web Design, Project Management
Other
Responsive Design, UI Development, PSD to HTML, Responsive UI, Bootstrap 4, Bootstrap 5, Front-end, WordPress Themes, Web Development, Front-end Development, Pixel Perfect, FTP, Websites, Plugins, Domains & Hosting, Web Hosting & Domain Setup, Web Host Manager (WHM), Email Templates, User Interface (UI), HTML Email, Ajax, WordPress Plugins, SEO Tools, WordPress Design, Elementor, Content Management Systems (CMS), User Experience (UX), SVG, Google Tag Manager, PSD to WordPress, CSS3 Animation, PSD, Animation, Site Speed Optimization, Caching, W3 Total Cache, Landing Pages, Website Maintenance, Back-end, Yoast SEO, Custom Themes, Theme Customization, Newsletter Templates, Performance Optimization, Page Speed Optimization, Web Hosting, WordPress SEO, Mobile First, WordPress Customization, Computer Science, Graphic Design, eCommerce, SSH, SFTP, Performance, Full-stack, Cloudflare, HTML to WordPress, APIs, Core Web Vitals, PayPal, Google Analytics 4 (GA4)
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