Alexandro A.

About Me

Senior Software Engineer with 10+ years of experience building scalable web platforms, modernizing enterprise systems, and developing MVPs end-to-end. Specialist in React, Next.js, Node (Express.js, Nest.js), and Python. Strong focus on performance optimization, clean architecture, and high-quality code. Experienced collaborating with UI/UX, product, and business teams across banking, fintech/crypto, manufacturing, and fitness tech industries.

AI, ML & LLM

Frontend

Backend

Database

DevOps

QA & Testing

Workflow

Git DigitalOcean

Other

Work history

Ataraxy
Senior Software Engineer
2024 - 2025 (1 year)
Remote
  • Developed and deployed the backend using Python and FastAPI on DigitalOcean.

  • Developed dynamic, role-based forms for Gym and Client onboarding, using Zod and React Hook Form.

  • Integrated React Query to optimize data fetching, caching, and overall UI responsiveness.

TypescriptNext.jsReact PythonFastAPISQLiteAxiosTailwindShadCN Zod React Hook Form
GFT - LGT Private Banking
Senior Frontend Developer
2024 - 2024
Remote
  • Designed and built reusable, scalable UI components following clean-code principles.

  • Integrated advanced data-visualization features using ECharts.

  • Ensured reliability and quality through comprehensive component testing with React Testing Library and Jest.

IncluIT
Senior Frontend Developer
2022 - 2023 (1 year)
Remote
  • Contributed to a case and incident management system for the Texas Department of Justice (iDocket Project).

  • Designed reusable UI components and form architectures with strong validation layers (Formik/Yup).

  • Led the definition of user stories and feature specifications ensuring alignment with business logic and stakeholder requirements.

Scrummers - Bitcoin / DIRA
Senior Fullstack Developer
2021 - 2022 (1 year)
Remote
  • Developed and implemented modern, scalable, and reusable user interfaces using React.js and TypeScript.

  • Created internal proprietary libraries published on NPM, enabling reusable and customizable UI components.

  • Worked in close collaboration with Front-End and Backend teams to ensure performance, code quality, and consistent system architecture.

PagoExpress
Senior Fullstack Developer
2020 - 2021 (1 year)
Remote
  • Developed the mobile version of the POS system, enabling payments from any device.

  • Built REST APIs using Node.js and Express with dependency injection and modular architecture for scalability.

  • Collaborated in integrating external APIs and Web Services to expand payment capabilities.

Grupo SION
Fullstack Developer
2017 - 2020 (3 years)
Remote

Developed interfaces, backend services, and automation processes to optimize workflows, record management, and business reporting.

Punto COM
Web Developer
2014 - 2017 (3 years)
Remote

Developed a reliable automated billing algorithm that analyzed configuration rules to accurately calculate students' pending payments per semester, improving data accuracy and reducing processing time after validation by the billing department.

PHPCodeIgniter MySQLHTMLCSSJavaScriptGoogle Charts
Scrummers - Bitcoin / DIRA
Present (2026 years)
Remote
  • Worked on an internal Scrummers product designed to function as a bridge between cryptocurrency and fiat currency.

  • Designed and developed the core REST API for the DIRA platform using Nest.js.

  • Implemented robust, maintainable, and scalable endpoints to support the platform's core functionalities.

Education

Education
Tailwind CSS From Scratch
Udemy
Education
Java Spring Boot
Amigos Code
Education
CI/CD
Simplilearn
Education
Advanced React for Enterprise
Udemy
Education
NestJS Zero to Hero
Udemy
Education
MicroFront-Ends with React
Udemy
Education
Claude Code in Action
Anthropic
Education
AWS Cloud Practitioner Essentials
AWS
Education
Bachelor in CompuĒer Science
Gabriel Rene Moreno UniversiĒy