Full-Stack Developer · Spain · Remote

Hey, I'm

Manuel J. Coronilla

Building high-performance web and mobile applications with modern technologies.

ManuBot

Tech Stack

About Me

Full-Stack Developer specialized in building scalable web and mobile applications, with strong expertise in frontend architecture and solid backend foundations. Proficient across the full product lifecycle, from early definition and system design to deployment and long-term optimization.

Focused on delivering end-to-end solutions with a strong emphasis on performance, maintainability, and architectural clarity. Clean, scalable codebases built to evolve with the product and the team.

Frontend architecture
Performance
Web & mobile

Spain · Remote

Online Tools

Password Generator Generate secure, random passwords with customizable options

Gradient Generator Create beautiful CSS gradients with multiple color stops

CSS Animations Browse, preview, and copy pure CSS animations for your projects

Regex Tester Test, debug, and learn regex with 150+ examples and real-time highlighting

QR Code Generator QR codes with WiFi, vCard presets, custom styles and logo overlay

PDF Tools Merge, split, compress, rotate, watermark and add page numbers

Apps & Games

Education

Cube Fridrich Algorithms

Learn Rubik's Cube CFOP method algorithms with 3D visualizations and practice modes

4.2

100K+

Get it on Play

Utilities

PrecioKWh

Real-time electricity prices with hourly graphs and price alerts

4.8

1K+

Games

Quiz Carnaval de Cádiz

Test your knowledge about Cádiz Carnival with hundreds of trivia questions

4.8

1K+

Games

Zen Ball Drop

Drop the spheres and match them by color and size to achieve the highest score!

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BETA

Open Source

wsa-suite

A desktop control panel for Windows Subsystem for Android: install it, then manage apps, files, settings and root from one place.

RustTauriReactTypeScript

View Repository

sftp-deploy

Simple, fast SFTP deployments for any web project. Incremental deploys with SHA256 hashing, local cache, and CI/CD ready.

Node.jsSFTPDeployCI/CD

View Repository

Experience

Jul 2021 - Apr 2025

Full-Stack Developer

Sevilla, Spain · Remote
- IMD Business School (Switzerland) main website maintenance and continuous evolution in an international environment
- Episerver and Optimizely CMS development with .NET Framework, C#, ASP.NET MVC and Scheduled Jobs
- Frontend development with Angular, TypeScript, SASS using reusable component architecture
- WordPress development with custom plugins and themes, REST API, PHP, MySQL, Gutenberg with ACF, Twig with Timber and SEO and performance optimization
- API development and integration, AJAX implementations and task automation
- Docker based local environments, atomic design methodology, Git version control and Scrum team collaboration
Jan 2019 - Dec 2022

Co-founder · Full-Stack Developer

Cádiz, Spain
- Full development of a contextual learning web application enabling human translations based on sentence meaning within books rather than isolated dictionary entries
- Design and implementation of an internal translator system including book uploads, automatic sentence segmentation, work dashboard, chapter progress tracking and content management
- Landing page, web platform and user panel design and development using JavaScript, PHP, MySQL and design tools
- Development of an Android mobile application connected to the platform featuring interactive reading, progress tracking and contextual translation system
- Technical coordination of translators, designers and external collaborators, overseeing workflows and delivery quality
- Participation in grant acquisition, business model development and product presentation in incubators and entrepreneurship centers
Apr 2021 - Jul 2021

Java Developer

Salamanca, Spain · Remote
- Development and maintenance of an internal SEPE application, implementing new features and resolving incidents in a service oriented Java environment
- Backend development with Java and Spring Framework using RestTemplate on a Java EE architecture with JSF and JSP, integrating REST services and processing JSON data with Jackson
- Data querying and validation using Oracle SQL Developer, providing functional support and ensuring data consistency
- Frontend development with JavaScript including Vanilla and jQuery, Bootstrap and DataTables, managing forms, dynamic tables and interactive components
- Agile development using Scrum, corporate version control with IBM Rational Team Concert and adherence to CMMI quality standards