01
View projectSpotterFitness Platform
I am MARIO ALBERTO VALLES
Full-Stack Developer
& consultant
Senior Full-Stack Engineer & technical consultant. I partner with ambitious teams to architect, build, and scale mission-critical software.
5.0
40+ Happy Clients
Projects done
40+
Years exp.
7+
Recent Projects
02
View projectLotz Outdoors eCommerce Website
Enterprise workflow automation
03
View projectStatKing AI
AI-Powered Sports Analytics Platform
04
View projectSabal Luxury Builder
Luxury Home Builder Website
05
View projectBlockchain-Based Play-to-Earn NFT Strategy Game
01
View projectSleep Products E-Commerce Platform
02
View projectCar Rental Management Platform
03
View projectProprietary Trading Evaluation & Funded Trader Platform
04
View projectPromotional Products & Branded Merchandise E-Commerce Platform
05
View projectSeven Yachts
Luxury Yacht Charter & Booking Platform
What I DoReact
PostgreSQL
Python
MongoDBReactPostgreSQLPythonMongoDBReactPostgreSQLPythonMongoDB
Laravel
Next.js
Git
TypeScriptLaravelNext.jsGitTypeScriptLaravelNext.jsGitTypeScriptTailwind
Angular
Node.js
PHP
HTMLTailwindAngularNode.jsPHPHTMLTailwindAngularNode.jsPHPHTMLLet's talk
Services I Offer
My skills
ReactPostgreSQLPythonMongoDBReactPostgreSQLPythonMongoDBReactPostgreSQLPythonMongoDBLaravelNext.jsGitTypeScriptLaravelNext.jsGitTypeScriptLaravelNext.jsGitTypeScriptTailwindAngularNode.jsPHPHTMLTailwindAngularNode.jsPHPHTMLTailwindAngularNode.jsPHPHTML01/
Full-Stack Web Development
Building performant, scalable web applications with React, Next.js, and modern backends—architected for reliability, maintainability, and long-term growth.
02/
Frontend Development
Crafting responsive, accessible interfaces with React, TypeScript, and modern CSS—focused on performance, UX polish, and design-system consistency.
03/
WordPress & WooCommerce Development
Building custom themes, plugins, and storefronts on WordPress and WooCommerce—optimized for SEO, conversions, and easy content management.
04/
Dashboard & Internal Tool Development
Designing admin panels, analytics dashboards, and internal workflows that give teams clear visibility and faster day-to-day operations.
05/
API & Automation Integration
Connecting products to third-party services, webhooks, and CRMs with reliable APIs and automation pipelines that reduce manual work.
06/
AI-Assisted Development
Integrating LLMs, embeddings, and AI workflows into products—from smart search and chat to document processing with human-in-the-loop guardrails.
07/
Mobile App Development
Delivering cross-platform and native mobile experiences that feel polished, load fast, and integrate seamlessly with your existing product ecosystem.
Selected Work
Featured Projects
Recently completedSpotterFitness Platform
SpotterFitness Platform
A fitness-focused platform with responsive frontend interfaces, workout tracking, analytics dashboards, progress reporting, and API integrations.
ReactAPIsResponsive UI Development
IonicKubernetes
Recently completedEnterprise workflow automation
Lotz Outdoors eCommerce Website
Enterprise workflow automation
Lotz Outdoors eCommerce Website
A WordPress and WooCommerce outdoor shopping website with responsive layouts, custom sections, optimized navigation, and improved shopping experience.
WordPressWooCommerceElementorCSSJavaScript
AI-Powered Sports Analytics Platform
StatKing AI
AI-Powered Sports Analytics Platform
StatKing AI
Developed a modern sports analytics platform that helps users research player props, betting trends, and game statistics through AI-powered insights. Built responsive dashboards, advanced filtering tools, real-time data visualizations, and intuitive user interfaces to deliver a fast and engaging analytics experience across desktop and mobile devices.
AIDashboardData VisualizationResponsive DesignPerformance
Solmar Real Estate Website
Solmar Real Estate Website
A modern real estate website built using Webflow focused on responsive UI, property presentation, and premium user experience.
WebflowHTMLCSSJavaScript
Exotic Car Rental Platform
Exotic Car Rental Platform
MK Rent A Car is a premium vehicle rental platform specializing in luxury, sports, exotic, and SUV rentals in Dubai. The platform enables customers to browse a wide selection of high-end vehicles, compare rental options, and book cars online with a seamless user experience.
woocommerceelementorNextPHPthird-party API integrationsopen AIMySQL
Sleep Products E-Commerce Platform
Sleep Products E-Commerce Platform
An online e-commerce platform for selling mattresses, pillows, adjustable bases, and sleep accessories. Features include product browsing, secure online purchasing, financing options, customer reviews, warranty services, and personalized sleep recommendations. Built on a modern e-commerce architecture optimized for performance, security, and user experience
JavaScriptReactNextNode.jsLiquid Templating SystemShopify APIs
Blockchain-Based Play-to-Earn NFT Strategy Game
Blockchain-Based Play-to-Earn NFT Strategy Game
CryptoLand is a blockchain-powered strategy game built on the XRP Ledger (XRPL), where players own NFT-based Land and Avatar assets to build virtual kingdoms, earn rewards, and participate in a player-driven economy. Players can collect rent, mine resources, govern territories, craft equipment, raid opponents, and trade digital assets through an integrated marketplace.
NFT MarketplaceBlockchainNextPHPJavaScriptREST API ArchitectureMySQL
Car Rental Management Platform
Car Rental Management Platform
Quick Lease is a vehicle rental and leasing platform that provides short-term rentals, long-term leasing, chauffeur services, and luxury vehicle rentals across Dubai and the UAE. The platform allows customers to browse available vehicles, compare rental options, submit booking requests, and manage leasing requirements through a user-friendly online system.
PHPWordPressWhatsApp IntegrationSSLTailwindCloud Hosting
Photography Competition & Social Gaming Platform
Photography Competition & Social Gaming Platform
GuruShots is an online photography platform that transforms photo sharing into a competitive game. Users participate in themed photography challenges, upload photos, receive votes from the community, earn achievements, level up through rankings, and compete for prizes, exhibitions, and recognition.
JavaScriptReact.jsNode.jsReal-Time Voting SystemMobile Apps
About Me
I believe every challenge has a way forward when we stay focused, take action, and keep improving step by step. I don’t see problems as blockers, but as chances to learn, adapt, and build something better. This mindset helps me turn difficult situations into practical solutions with real value.
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Completed Projects
0%
Client Satisfaction
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Years of Experience
Testimonials
What they say about me
Direct feedback from clients I've worked with recently.
“Working with Mario was a great experience. He quickly understood our requirements and delivered a high-quality web application using modern technologies.”
“transformed our UI ideas into a clean, responsive, and user-friendly interface. He paid attention to details, improved performance”
“Mario is a skilled full stack engineer who helped us improve our application architecture, APIs, and overall performance.”
“Mario is a talented full stack developer who combines strong technical skills with excellent communication. He delivers clean, maintainable solutions and always focuses on the client's goals.”
Get in touch
Have a project? Let's talk!
I'm currently available for freelance work and consulting. If you have a project that needs some creative touch or want to discuss an opportunity, my inbox is always open.