AM.
Frontend, Mobile & Full-Stack Developer

Crafting
Digital
Experiences

Tech Lead & Mobile Architect with 10+ years building mobile apps in Flutter, modern web interfaces, and scalable backend architectures.

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Planetary System
🪐 Clic en un planeta
Proyecto

Real-time orbits · Each moon is a technology

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+10

Turning ideas into code. Code into experiences. Experiences into products that people love to use.

Selected
Works (11)

Minimal Launcher - Dart, Flutter | Alonso Massa
Dart 01

Minimal Launcher

A minimalist, fast, and lightweight launcher to organize your Android with elegance.

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Sayuri Tours - Astro, TailwindCSS, SolidJS | Alonso Massa
Astro 02

Sayuri Tours

Website and customized content manager to handle packages, destinations, and promotions for the Sayuri Tours travel agency.

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Flgen - Dart, Flutter | Alonso Massa
Dart 03

Flgen

This repository provides scripts to automate the creation of the base architecture of a Flutter project.

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Jimena Portfolio - Astro, Tailwind | Alonso Massa
Astro 04

Jimena Portfolio

Creation of a personal brand website.

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Overlay Contacts - Astro, Tailwind | Alonso Massa
Astro 05

Overlay Contacts

Simplifies the way employees share their information.

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Petmeals - Flutter, Firebase | Alonso Massa
Flutter 06

Petmeals

Facilitates the care and feeding of your pets.

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Simulate your loan - Flutter | Alonso Massa
Flutter 07

Simulate your loan

Calculate installments, interest, and total costs to help you plan your financing.

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Calculate your mortgage - Flutter | Alonso Massa
Flutter 08

Calculate your mortgage

Easily calculate and customize your monthly mortgage payment.

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Proypet Partners - Flutter, Firebase, Supabase | Alonso Massa
Flutter 09

Proypet Partners

Optimize the management of appointments, medical history, and communication with clients.

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Proypet - Flutter, Firebase, Supabase | Alonso Massa
Flutter 10

Proypet

Book veterinary appointments, access service information, and receive notifications without upfront payments or cancellation fees.

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Proypet Web - HTML, CSS, JavaScript | Alonso Massa
HTML 11

Proypet Web

Tool for pet lovers and veterinarians.

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Experience

Belity - Tech Lead & Mobile Architect / Full-Stack Sr.
October 2025 · September 2026

Belity

Tech Lead & Mobile Architect / Full-Stack Sr.

I led the technical strategy for the mobile and full-stack front, establishing architectural best practices to ensure Android and iOS apps were robust, fast, and scalable. I boosted team efficiency by incorporating AI-powered automations into the development cycle, from code generation to continuous deployment. I designed high-demand backend services in Node.js along with structured databases using Prisma, ensuring seamless integration with mobile clients and Next.js web portals.

Pacífico | Inetum - Senior Mobile Developer & Analyst
July 2021 · September 2024

Pacífico | Inetum

Senior Mobile Developer & Analyst

Part of the team that designed and developed the Mi Espacio Pacífico application, structuring the codebase using the Cubit pattern to keep business logic clean, predictable, and aligned with insurance industry security standards. My key challenge was integrating facial biometric authentication with Facephi, building custom plugins and bridges to native Android and iOS code to deliver instantaneous, secure, and frictionless user recognition.

Proypet - Founder & Lead Mobile Architect
October 2019 · December 2021

Proypet

Founder & Lead Mobile Architect

Founded and technically led Proypet from initial concept to launch, building a digital ecosystem consisting of two interconnected mobile applications and a web platform. Designed the architecture on Firebase and Supabase for real-time data synchronization, user profile management, and automated push notifications for veterinary appointments and medical records. Additionally, established continuous delivery pipelines to publish and seamlessly update apps on Google Play and the App Store, creating a reliable platform that streamlined veterinary care.

Distriluz | Canvia - Frontend & .NET Analyst
September 2019 · February 2020

Distriluz | Canvia

Frontend & .NET Analyst

Joined to analyze and develop .NET web services, but when a critical frontend vacancy arose right before project kickoff, I stepped forward to take on the role. Quickly upskilled in Angular and within days was building UI interfaces and integrating them with backend services. Thanks to this steep learning curve, we launched on schedule, fulfilled all committed deliverables, and successfully finalized the system's development.

Distriluz | Delaware - .NET Analyst
October 2018 · March 2019

Distriluz | Delaware

.NET Analyst

Developed and integrated web services and RESTful APIs for Distriluz corporate systems, working on a multi-tier .NET MVC architecture. Handled business logic and data persistence using T-SQL stored procedures, optimizing queries for high-traffic operations. In parallel, built and enhanced administrative dashboards using JavaScript and Bootstrap, delivering agile and intuitive internal tools for operational staff.

Claro | Everis - Analyst Developer
February 2018 · July 2018

Claro | Everis

Analyst Developer

Analyst Developer in the bug fixing and software maintenance area for the client Claro. Performed functional requirements analysis, utilized Oracle PL/SQL, Visual Basic, and .NET, and conducted functional and unit testing.

CTM Tours Peru - Supervisor Analyst Developer
January 2016 · May 2017

CTM Tours Peru

Supervisor Analyst Developer

Analyzed and developed systems, designed and managed databases, and built web applications using C#.NET, JavaScript, and jQuery. Implemented and consumed SOAP web services, handled advanced SQL Server database management with T-SQL, and gathered requirements to design customized solutions. Developed operational tools for Costamar Group across multiple countries, integrating features such as geolocation with OpenStreetMap and Google APIs. Planned and tracked projects using Microsoft Project and Gantter.

CTM Tours Peru - .NET Developer
July 2014 · December 2015

CTM Tours Peru

.NET Developer

Developed web applications using C#.NET with JavaScript and jQuery integration, including the creation and consumption of SOAP web services. Managed SQL Server databases, covering table design, view creation, and SQL query optimization. Analyzed requirements to implement custom solutions, contributing to the planning and delivery of innovative web projects.

Alonso Massa - Frontend, Mobile & Full-Stack Developer

Hello 👋

I'm Alonso Massa, a Frontend, Mobile, and Full-Stack Developer from Lima, Peru.

10+ years leading the architecture and development of mobile apps (Flutter, Android, iOS), high-performance web platforms (Next.js, Astro, React, Angular), and robust backend services (Node.js, Prisma, .NET, Firebase, Supabase).

Tech Stack

FlutterDartReactNext.jsAstroTypeScriptNode.jsPrisma.NETAngularFirebaseSupabaseSQL Server
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Open Source

0 Contributions
Contribuciones Open Source en GitHub de Alonso Massa (@joalmr)

Public Repositories

  • my-skills Python
  • hipoteca-flutter Dart
  • prestamo-flutter Dart
  • gedificio Astro
  • flgen-dart Dart
  • joalmr profile config

LET'S WORK LET'S WORK LET'S WORK

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© 2026 Alonso Massa · Lima, Peru

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