Enmanuel – React, Node.js, Typescript, experts in Lemon.io

Enmanuel

From Spain (UTC+2)flag

Full-stack Web Developer|Middle-to-senior
Back-end Web Developer|Middle-to-senior
Front-end Web Developer|Middle-to-senior

Enmanuel – React, Node.js, Typescript

Enmanuel Alejandro is a versatile full-stack developer with experience delivering reliable software solutions across airline operations, e-commerce, finance, and healthcare. He combines strong technical problem-solving skills with a client-focused approach, with experience working on complex business processes, integrations, and scalable applications. He is well suited for long-term, collaborative projects where clear communication and consistent delivery are valued.

10 years of commercial experience in
Accounting
Administration
Architecture
Cloud computing
Communications
E-commerce
Fintech
Healthcare
Healthtech
Real estate
Shipbuilding
Transportation
Mobile apps
Financial asset management
Main technologies
React
6 years
Node.js
9 years
Typescript
5 years
Nest.js
2.5 years
Additional skills
JavaScript
PHP
jQuery
MySQL
ASP.NET MVC
MongoDB
Backbone.js
C#
ASP.NET
Redis
Firebase
Java
AI API integration
Ruby
Vercel
Expo
Ionic
Apollo GraphQL
React Query
ActiveMQ
Docker
PostgreSQL
EAS
Stripe API
Next.js
Angular
Express.js
Facebook SDK
Ruby on Rails
Microsoft SQL Server
.NET
lua
Direct hire
Possible
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Experience Highlights

Senior Full-stack Developer
Feb 2025 - Ongoing1 year 6 months
Project Overview

An airline turnaround management platform supporting ground operations during aircraft turnaround between flights. The product helps coordinate and monitor critical turnaround activities, enabling airline teams to improve operational efficiency, minimize delays, and ensure aircraft are ready for departure on time.

Responsibilities:
  • Developed back-end-to-front-end features;
  • Implemented key integrations with Microsoft Teams;
  • Implemented unit testing and integration testing;
  • Created complex interfaces, including Gantt interactive charts.
Project Tech stack:
Nest.js
React
PostgreSQL
Docker
Apollo GraphQL
ActiveMQ
React Query
Senior Full-stack Developer
Sep 2023 - Feb 20251 year 5 months
Project Overview

A second-hand book marketplace that enables users to identify millions of books through a React Native iOS/Android app and sell them to the platform. The product streamlines book identification and provides users with a convenient way to sell their books.

Responsibilities:
  • Started, completed, and maintained a React Native app for Android/iOS;
  • Started, contributed to, and maintained an e-commerce platform built with Next.js;
  • Was responsible for maintaining and fixing bugs across most of the client's products.
Project Tech stack:
Node.js
Next.js
MongoDB
React
React Native
Expo
EAS
Stripe API
Software Developer
May 2022 - May 20231 year
Project Overview

Worked on multiple software products for different companies, with a primary focus on financial and accounting solutions. The projects covered business applications supporting financial operations, accounting processes, and related business needs across different client organizations.

Responsibilities:
  • Worked on complex dashboards for financial and accounting products;
  • Developed financial visualization tools to present complex financial data in a clear and accessible way;
  • Contributed to the development and maintenance of interactive dashboard interfaces for financial data analysis;
  • Worked on features that helped users analyze financial information through structured visualizations and dashboards.
Project Tech stack:
Angular
Typescript
React
Senior Software Developer
May 2017 - May 20225 years
Project Overview

A software project based on a Node.js architecture, focused on providing the backend foundation and application structure required to support the product's functionality. The project involved developing and maintaining the architectural components needed for a scalable and reliable application.

Responsibilities:
  • Developed and completed a construction algorithm capable of determining whether a building was structurally feasible to construct;
  • Developed important features for a real estate company;
  • Was responsible for the development of the architectural project using Node.js;
  • Handled the development of the project architecture and its implementation in Node.js;
  • Worked on the development of the project architecture within a Node.js environment.
Project Tech stack:
Node.js
React
Express.js
MongoDB
PostgreSQL
Full-stack Developer
Apr 2016 - May 20171 year 1 month
Project Overview

Healthcare-focused software developer with experience building and maintaining systems for the healthcare sector. His work focuses on developing reliable technology solutions that support healthcare operations and improve patient care, with attention to secure data handling and operational efficiency.

Responsibilities:
  • Started and successfully completed a healthcare appointment platform;
  • Developed features for healthcare provider and patient interactions;
  • Implemented functionality for appointment scheduling and management;
  • Developed integrations with the Facebook SDK;
  • Supported user-related features and healthcare service workflows;
  • Contributed to the overall development and delivery of the platform.
Project Tech stack:
Ruby
Ruby on Rails
Facebook SDK
Node.js
Docker
JavaScript
Typescript

Education

2023
Big Data & Analytics
Master's degree
2014
IT Engineering
Ingeniero

Languages

Spanish
Advanced
English
Advanced

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