Andres Vargas Martins

Frontend Engineer | Modern Web Performance & UI Architecture

Cochabamba, Bolivia • +591 70795878 • andresvm10@gmail.com

github.com/cbbeandresvargaslinkedin.com/in/andres-vargas-martinsandres-vargas-portfolio.pages.dev

Education

UNIFRANZ UniversityCochabamba, Bolivia
Bachelor of Science in Systems Engineering (In Progress)In Progress

Relevant Coursework: Distributed Systems, Cloud Computing, Software Architecture, and Database Management.

Professional CertificationsOnline
100+ Industry Certifications2019 - Present

Completed over 100 specialized courses across various technology sectors, including Artificial Intelligence, Cloud Infrastructure, and advanced Software Engineering.

HarvardX / MIT / Google / Oracle / FortinetOnline
Specialized Technical Certifications2019 - 2024

Key credentials include Google Professional Certificate in AI, HarvardX Computer Science (CS50), and MIT Data Science & Statistics.

Work Experience

SamiiCochabamba, Bolivia
Lead Frontend EngineerApr 2026 - Present

Design and development of reactive interfaces for AI-assisted language learning platforms.

  • Designed and developed the web and mobile UI tailored for self-directed language learning.
  • Crafted highly fluid reactive components for real-time conversational interaction with AI.
AstroSolidJSTypeScriptTailwind CSSMobile UI
GGACochabamba, Bolivia
Frontend DeveloperJan 2026 - Aug 2026

Building multi-portal user interfaces and client-side video conferencing workflows.

  • Built from scratch the user interfaces for 3 distinct portals: students, educators, and administration.
  • Integrated client-side video conferencing workflows ensuring responsive design and minimal memory footprint.
Frontend ArchitectureWebRTC/ZoomResponsive UIState ManagementPerformance
Singular AgencyUSA
Lead Frontend & Mobile Engineer (OSMO Money)Oct 2025 - Mar 2026

Cross-platform mobile and web interface development for the OSMO Money digital wallet.

  • Built intuitive, high-performance cross-platform interfaces in Flutter and TypeScript for seamless multi-currency transactions.
  • Implemented biometric authentication flows, real-time P2P transfer UI, and interactive financial insight dashboards.
FlutterTypeScriptMobile UI/UXBiometric Auth UIFintech
Pusaq 8 InnovationsZurich, Switzerland
Frontend & Mobile DeveloperApr 2024 - Present

Cross-platform web and mobile app development using accessible design systems.

  • Developed cross-platform web and mobile applications using modern frameworks (SolidJS, Flutter, Astro).
  • Implemented modular design systems ensuring visual consistency and accessibility standards.
SolidJSFlutterAstroDesign SystemsAccessibility (a11y)
Reborn DevelopmentsKyiv, Ukraine
Senior Frontend DeveloperOct 2022 - Dec 2025

Frontend architecture for the real estate investment platform, admin dashboard, and hospitality portals.

  • Developed the investor-facing platform, admin dashboard, and real-time monitoring UI using Next.js, Tailwind CSS, and Flutter Web.
  • Built multi-step KYC/AML onboarding workflows, interactive project filters, and responsive hospitality management interfaces.
Next.jsTailwind CSSFlutter WebReactResponsive UI
Poleon & GraziaCochabamba, Bolivia
Frontend Developer & UX/UI DesignerApr 2022 - May 2024

Figma UX/UI design and high-performance frontend development for dynamic web platforms.

  • Designed user-centric prototypes and layouts in Figma, turning them into clean production frontend code.
  • Optimized Core Web Vitals and rendering performance by 25% across high-traffic platforms.
FigmaCore Web VitalsUX/UI DesignClean CodeFrontend Optimization
Nuclea SolutionsMexico City, Mexico
Frontend DeveloperDec 2021 - Sep 2022

Conceptualization and implementation of user interfaces for complex enterprise ERP modules.

  • Conceptualized and implemented the user interface for complex modules within enterprise ERP systems.
ERP UIComponent ArchitectureSDLCUser Interface
PrestlaLima, Peru
Frontend DeveloperJan 2021 - May 2022

Development of modern web interfaces and internal operational dashboards for cloud-native applications.

  • Built and modernized responsive web interfaces, improving usability and operational workflows across the organization.
  • Collaborated with engineering teams to migrate client-side applications to modern cloud-native standards.
JavaScriptResponsive WebUI ComponentsWorkflow Optimization

Projects & SaaS Ventures

Booking & Reminders Multi-tenant SaaSFounder

Architected a micro-SaaS solution for local businesses featuring data isolation. Engineered a collision-prevention algorithm for appointment scheduling and integrated asynchronous queues for automated WhatsApp reminders.

Event Ticket Management SystemFounder

Developed a comprehensive event ticketing platform valued at 25,000 BOB. Implemented to manage distinct administrative, staff, and customer roles.

Restaurant Management SystemFounder

Engineered a specialized management system for high-volume restaurants. Optimized order-to-kitchen workflows and integrated real-time inventory tracking to reduce waste and improve service speed.

Law Enforcement Resource Management SystemFounder

Architected an enterprise-grade resource planning (ERP) solution for the Venezuelan Police. Designed and implemented centralized databases for the automated tracking of armaments and vehicle maintenance logs, optimizing internal logistics and accountability through granular permission systems.

Skills & Core Competencies

Key Competencies: TypeScript • JavaScript • SolidJS/SolidStart • React • Astro • Flutter • Tailwind CSS • Responsive Design • Web Performance • Figma

Programming Languages: JavaScript (ES6+), TypeScript, PHP 8.3, Dart, Rust, Python, Java, C/C++

Frameworks: Laravel, Flutter, Spring Boot, Astro, Django, Flask, FastAPI, Firebase, SolidJS, SolidStart, Hono, Leptos, Askama

Databases: MySQL, PostgreSQL, SQLite, MongoDB, Cloudflare D1

Infrastructure & DevOps: Docker, Linux Servers, VPS Administration, Cloudflare Workers, Cloudflare R2, Cloudflare Queues, Durable Objects

Specialized: Artificial Intelligence, Cybersecurity, Micro-SaaS Development, Tech Entrepreneurship

Languages: Spanish (Native), English (Professional Working Proficiency C1), Portuguese (Elementary), German (Basic)