# Brandon Axell Ruiz — Full Stack Developer & UI/UX Designer > Full Stack Developer and UI/UX Designer based in Piedras Negras, Coahuila, Mexico. 7+ years of experience building scalable web and mobile applications for startups and businesses. Specializing in React, Node.js, TypeScript, and React Native. Available for freelance work. --- ## Contact Information - **Email**: brandon.ruiz@barrcode.dev - **WhatsApp**: +52 878 111 6324 - **Website**: https://barrcode.dev - **GitHub**: https://github.com/brandonAxellRuiz/ - **Twitter**: https://twitter.com/BrandonAxellR --- ## Professional Summary Brandon Axell Ruiz is a Full Stack Developer and UI/UX Designer with over 7 years of professional experience. He builds scalable web and mobile applications for startups and businesses, combining clean code with thoughtful design. Currently based in Piedras Negras, Coahuila, Mexico, he is available for freelance projects worldwide. --- ## Skills & Technologies ### Frontend - React, React Native, TypeScript, JavaScript - Next.js, Tailwind CSS, Framer Motion - HTML5, CSS3, Responsive Design ### Backend - Node.js, Express.js, PostgreSQL - Firebase, Supabase, REST APIs, GraphQL ### Design - Figma, Adobe Creative Cloud - UI/UX Design, Design Systems, Wireframing, Prototyping ### DevOps & Tools - Vercel, AWS, GitHub Actions, Docker - Git, CI/CD Pipelines ### Mobile - React Native (iOS & Android) - Mobile-first Development --- ## Professional Experience ### 1. Cofounder — Billety.ai (2025 — Present) AI-powered finance management platform. Co-created the product from concept to launch, building the full-stack architecture including WhatsApp integration for automatic expense tracking, invoicing, and personalized financial recommendations powered by AI. ### 2. Freelance Developer — barrcode.dev (2018 — Present) Independent full-stack development and UI/UX design services for startups and businesses. Delivered 50+ projects across web and mobile platforms, working with clients from Mexico, USA, and Latin America. ### 3. Full Stack Developer — Kuidato App (2022 — 2023) Childcare management platform. Built a mobile app (React Native) and web dashboard for tracking daily activities with real-time parent reports. Implemented push notifications and analytics dashboards. ### 4. Sr. Software Engineer — Fujikura Automotive America (2022 — 2023) Enterprise-level automotive manufacturing systems. Developed internal tools and production tracking applications. Worked with cross-functional teams on quality assurance and process optimization software. ### 5. Full Stack Developer — kidkiriki.com (2020 — 2021) EdTech platform that digitizes school-parent communication. Built mobile apps for iOS and Android using React Native, with features for attendance tracking, real-time notifications, and academic progress monitoring. ### 6. Full Stack Developer — TCI-SELECT (2021 — 2022) Developed web applications for telecommunications infrastructure company. Built customer-facing tools and internal management systems. ### 7. Full Stack Developer — BXP Tech (2021 — 2022) Technology consulting company. Delivered custom software solutions for various clients including dashboards, e-commerce platforms, and API integrations. ### 8. System Engineer — Agencia Aduanal Eduardo Castañeda González (2018 — 2021) Customs brokerage agency. Designed and implemented internal management systems for customs operations, document processing, and logistics tracking. --- ## Portfolio Projects (Detailed) ### Billety.ai - **URL**: https://billety.ai - **Role**: Cofounder & Lead Developer - **Description**: AI-powered finance management platform with WhatsApp integration for automatic expense tracking, invoicing, and personalized financial recommendations. Users interact naturally via WhatsApp to log expenses, generate invoices, and receive AI-driven financial insights. - **Tech Stack**: React, Node.js, PostgreSQL, AI/ML, WhatsApp API - **Impact**: Streamlined financial management for small businesses and freelancers in Latin America. ### Nustek - **URL**: https://nustek-zeta.vercel.app/ - **Role**: Full Stack Developer & Designer - **Description**: Corporate website for industrial electrical installations company with 30+ years of experience. Modern, responsive design showcasing services, projects, and company history. - **Tech Stack**: React, TypeScript, Framer Motion, Tailwind CSS - **Impact**: Established online presence for traditional industrial business. ### Kidkiriki - **URL**: https://kidkiriki.com - **Role**: Full Stack Developer - **Description**: EdTech platform that digitizes school-parent communication with mobile apps for attendance tracking and real-time notifications. Parents receive daily updates about their children's activities, grades, and attendance. - **Tech Stack**: React Native, iOS, Android, Firebase, Node.js - **Impact**: Adopted by multiple schools, improving parent engagement and communication efficiency. ### Vitaly Wellness Center - **URL**: https://vitality-wellness-lemon.vercel.app/ - **Role**: Full Stack Developer & Designer - **Description**: Service-focused website for a chiropractic and wellness center in Piedras Negras, with services, trust content, and appointment CTAs. - **Tech Stack**: Next.js, React, TypeScript, Tailwind CSS - **Impact**: Easier discovery and booking for local wellness clients. ### Retama Desarrollos - **URL**: https://retama-dwellings.vercel.app/ - **Role**: Full Stack Developer & Designer - **Description**: Marketing site for a real estate developer in Piedras Negras, Coahuila, showcasing homes and lots for sale with brand-aligned lead capture. - **Tech Stack**: Next.js, React, TypeScript, Tailwind CSS - **Impact**: Clear online presence for local property sales and inquiries. ### Kuidato - **URL**: https://apps.apple.com/us/app/kuidato/id1605319317 - **Role**: Full Stack Developer & UI/UX Designer - **Description**: Childcare management platform with mobile app for tracking daily activities and generating real-time parent reports. Features include meal tracking, nap schedules, activity logs, and photo sharing. - **Tech Stack**: React Native, Firebase, Node.js, UI/UX Design - **Impact**: Used by childcare centers to streamline daily operations and improve parent satisfaction. ### Gore Group LLC - **URL**: https://goregroupllc.com - **Role**: Full Stack Developer - **Description**: Corporate website and fleet management platform for construction and heavy hauling company. Includes QuickBooks integration for financial management, GPS fleet tracking, and driver management. - **Tech Stack**: React, Node.js, QuickBooks API, PostgreSQL - **Impact**: Unified fleet operations and financial tracking into a single platform. ### FMCB (Federación Mexicana del Caballo Bailador) - **Role**: Full Stack Developer - **Description**: Contest scoring system for the Mexican Dancing Horse Federation. Built a real-time scoring dashboard for judges and an Android companion app for event management. - **Tech Stack**: React, Node.js, Android (Kotlin), WebSockets - **Impact**: Digitized scoring process for national equestrian competitions. --- ## Services ### Full Stack Web Development End-to-end web application development from database design to frontend implementation. Specializing in React, Node.js, and TypeScript with a focus on performance, scalability, and maintainability. ### Mobile App Development Cross-platform mobile applications using React Native for iOS and Android. From concept to App Store/Play Store deployment with push notifications, offline support, and native integrations. ### UI/UX Design User-centered design process including research, wireframing, prototyping, and high-fidelity mockups in Figma. Design systems and component libraries for consistent brand experiences. ### Product Strategy & Consulting Technical consulting for startups and businesses looking to build or scale digital products. Architecture planning, technology selection, and roadmap development. --- ## How I Work 1. **Understand your vision** (1–2 days) → Project brief, scope document, requirements gathering 2. **Design the solution** (3–5 days) → Wireframes, UI mockups, design system, user flows 3. **Build & iterate** (2–4 weeks) → Working prototype, staging environment, iterative feedback 4. **Launch to the world** (2–3 days) → Production deploy, performance audit, SEO optimization 5. **Evolve together** (Ongoing) → Analytics reports, feature roadmap, maintenance & support --- ## Key Statistics - 7+ years of professional experience - 20+ happy clients across Mexico, USA, and Latin America - 50+ projects completed (web & mobile) - 2,581 GitHub contributions in the last year --- ## Availability Currently available for freelance projects. Timezone: CST (UTC-6). Preferred communication: Email or WhatsApp. Open to remote work worldwide. --- ## Languages - Spanish (Native) - English (Professional proficiency)