Luis Espinoza
Software Engineer
Works
Skills
Ethos
Contact
CV
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Luis Espinoza Mobile & Web Engineer
WORKS
Pago Fácil & Western Union
I contribute to the evolution of Pago Fácil — a digital wallet built with Western Union. With over one million downloads and hundreds of thousands of active users, I lead new features and refactors that boost performance and UX while ensuring production stability. Stack: React Native, TypeScript, Redux, REST APIs and Clean Architecture.
0-Registros
Experimental web project merging poetry, generative art and technology to explore existential questions. Built with Next.js & TypeScript (monorepo), using p5.js for dynamic visuals, Firebase backend and i18n. Crafted a minimalist immersive experience where text intertwines with real-time graphics.
Hybeans App
At Hybeans — an event management platform with social features — I designed and shipped critical modules for iOS and Android: authentication, dynamic profiles, real-time feed, push notifications, booking engine and in-app product sales. Collaborated with design, backend and QA teams to deliver releases on tight deadlines, ensuring stable performance during live events.
Filoweb
Interactive educational site that guides users through the history of western philosophy. Designed an engaging UI with navigable timelines, making complex ideas accessible to a wider audience.
Hybeans Web
On the Hybeans web platform I implemented customizable profiles, real-time booking system, payment checkout and conversion-oriented landing pages. Improved React performance through code-splitting and lazy loading, significantly reducing initial load times.
AEG Service - Hornos de Cerámica
Professional website for ceramic oven repair and maintenance services. Built with Bootstrap and deployed on Netlify, connected to Firebase Remote Config to update content dynamically without redeployment. Includes contact forms, work gallery and detailed service information. SEO optimized and designed for customer conversion in CABA and AMBA areas.
Digital Consultora - Retail Spark Grow
Web platform for consultancy specialized in digital transformation of physical retail. Implemented with Tailwind CSS and Bootstrap, features modern landing page, contact forms and success cases. Designed to generate leads and showcase digital consultancy services.
SKILLS
Frontend & Mobile Development
React & React Native: Building modular, high-performance interfaces for web and mobile, following accessibility and SEO best practices.
HTML, CSS, JavaScript: Semantic, responsive and optimized code that delivers a consistent experience on any device.
UI/UX & Prototyping: Crafting flows and prototypes in Figma and translating them into scalable TypeScript components with CSS Modules.
Version Control: Proficient with Git (GitFlow, PR reviews, CI/CD) and collaboration in distributed teams.
Architecture & App Design
Clean Architecture & SOLID: Structuring React/React Native projects for scalability and maintainability.
Responsive & Accessible Design: WCAG-compliant, mobile-first experiences that reach 100% of the audience.
Backend-as-a-Service: Firebase (Auth, Firestore, Cloud Functions) and AWS Serverless to accelerate time-to-market.
Project Management & Collaboration
Agile methodologies (Scrum, Kanban) with tools like Jira or Linear for iterative delivery.
Acting as a bridge between business and tech, enabling informed decisions and team efficiency.
Problem Solving & Continuous Learning
Debugging & Tuning: Identifying bottlenecks using profiling and observability tools.
Continuous learning: Self-directed research and rapid adaptation to new technologies.
Innovation: Proposing improvements and automations that cut development time and errors.
ETHOS
Idea explorer: from Philosophy to Engineering, I blend critical thinking and creativity to design technology that improves people's lives.
I craft digital experiences, driven by a continuous-learning mindset and passion for excellence.
Curiosity is fueled by reading, writing and art; these disciplines broaden my perspective and empower me to solve problems in innovative ways.
I operate on values of trust, transparent communication and collaboration, enabling teams to build sustainable, memorable products.