Building Experiences That Matter
I'm a developer passionate about crafting accessible, pixel-perfect user interfaces that blend thoughtful design with robust engineering. My favorite work lies at the intersection of design and development.
With expertise spanning front-end frameworks, back-end systems, and UX design principles, I create comprehensive solutions that not only look great but are meticulously built for performance and usability.
Currently specializing in React, Next.js, TypeScript, and modern web technologies (but with a strong fundamental of classic web development technologies), I contribute to building scalable applications that meet web accessibility standards and deliver exceptional user experiences.
Professional Experience
My journey in software development and the companies I've had the privilege to work with.
Developed a professional web platform for premium catering services in Spain, featuring ham cutters, gourmet beverage bars, and waitstaff for exclusive events. Built with Next.js, React, TypeScript, Tailwind CSS, Supabase, and deployed on Vercel to generate qualified leads and position the brand as a national reference in premium catering.
Key Achievements:
- •Increased lead generation by 30% within the first three months through targeted SEO and user-centric design
- •Implemented comprehensive SEO optimization strategies to improve online visibility and lead generation
- •Developed fully responsive design ensuring optimal user experience across all devices
- •Built robust admin panel for efficient content management and real-time updates
- •Created email system streamlining budget process for premium catering services
- •Implemented analytics dashboard for data-driven insights and performance tracking
- •Optimized platform performance and security for reliable operation at scale
Technologies Used:
Led front-end development initiatives focusing on performance, scalability, and maintainability as part of the CRO team. Implemented advanced problem-solving techniques and A/B testing to optimize user experience and conversion rates. Collaborated with backend teams for seamless API integration and state management.
Key Achievements:
- •Enhanced user experience and conversion rates (around 10%) through advanced problem-solving and optimization techniques
- •Boosted app performance and scalability via streamlined front-end coding
- •Deployed A/B testing and evidence-based trials, boosting conversion metrics
- •Guaranteed top-tier user experience through multi-browser support and sophisticated troubleshooting
- •Partnered with backend squads for smooth API connections and data flow management
Technologies Used:
Managed e-commerce operations for beverages and gourmet products on Shopify platform. Oversaw brand development, provided technical support, executed marketing and advertising campaigns, optimized SEO, and led site development and design.
Key Achievements:
- •Increased sales by 25% through strategic brand development and marketing initiatives
- •Developed and strengthened brand identity for beverages and gourmet products
- •Provided comprehensive technical support ensuring smooth e-commerce operations
- •Executed effective marketing and advertising strategies to drive sales
- •Optimized SEO to improve online visibility and traffic
- •Led site development and design for enhanced user experience on Shopify
Technologies Used:
Led the transformation from Shopify e-commerce to a dedicated landing page for event services. Managed brand development, provided technical support, executed marketing and advertising campaigns, optimized SEO, and oversaw site development and design.
Key Achievements:
- •Developed and evolved brand identity during business transformation to event services
- •Provided comprehensive technical support throughout the transition process
- •Executed strategic marketing and advertising campaigns for event services
- •Optimized SEO to boost online visibility and lead generation
- •Designed and developed an effective landing page for enhanced user experience
Technologies Used:
Education & Certifications
My academic background and professional certifications that shape my expertise.
Education
Focused on learning software engineering and web development through projects, and continuous self-improvement.
Certifications
Technical Expertise
A comprehensive skill set spanning the full development lifecycle
Front-End Development
List of my front-end skills
Back-End Development
List of my back-end skills
Tools
List of tools I know
Performance & Optimization
List of my performance & optimization skills
Soft Skills
Languages
Live Demonstrations
Interactive applications showcasing real-world development skills
Real-Time Collaboration
Live cursors, sticky notes, and multi-user interactions
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Featured Projects
A selection of projects demonstrating full stack capabilities

In Progress
Coming Soon
Qubio
Full stack CRM for hospitality businesses to manage stocks, employees, and orders efficiently, including analytics and reporting features, smart alerts, marketplace, and multi-location support.
In Progress
Coming Soon
Latest Articles
Insights, tutorials, and thoughts on web development, technology, and best practices.
More Articles
Mokkio v1.0.0-beta.4 introduces Scene Builder for multi-device compositions, Scene FX with 20 shadow presets, smart device filtering, and mobile-optimized interfaces.
Mokkio v1.0.0-beta.3 brings OKLCH color management, text overlays, PWA support, authentication, and complete mockup persistence with cloud storage.
Mokkio v1.0.0-beta.2 introduces iPhone 17 Pro support, custom backgrounds, procedural effects, keyboard shortcuts, and major performance optimizations.
Kicking off the development of Mokkio, the mockup generator. Technical decisions, stack, and first screens.
An actionable guide to improve Core Web Vitals (LCP, CLS, INP) in React/Next.js projects: images, fonts, JS, data, caching, third-parties, CI, and performance budgets.
Get In Touch
Have a project in mind or want me in your team? Let's discuss how we can create something amazing together
Contact Information
Ready to Start a Project?
I'm always excited to work on new challenges and bring creative ideas to life. Whether it's a web application, mobile app, or something completely different, let's discuss your vision.
Prefer email? Send me a message at davidros.dev@proton.me