Raúl is available for hire

Raúl López Gutiérrez

Verified Expert in Engineering

Full-stack Developer

Location

Las Palmas de Gran Canaria, Spain

Toptal Member Since

July 8, 2022

Raúl is a developer with broad experience designing and developing web applications and software using AWS, Laravel, Tailwind CSS, Livewire, Filament, HTML5, CSS3, AI/ML, Python, Angular, and JavaScript—Vanilla JS, ES6, and Vue. With over eight years of professional experience in the IT sector, Raúl is passionate about web performance, technical SEO, and data science.

Software Engineering Full-stack Back-end Full-stack Development Web Development Data Scraping Web Scraping MySQL JavaScript Ionic PHP REST APIs CSS SQL Python Tailwind CSS GPT-3 Prompt Engineering Vapor

Portfolio

RaúlLG

Vue, Laravel, PHP, Node.js, Swift, Tailwind CSS, Angular, Ionic, iOS, GitHub...

Calima

Laravel, Tailwind CSS, Vue, Angular, Ionic, iOS, GitHub, Full-stack, TypeScript...

Bhoost Hosting SL

Laravel, PHP, Laravel Livewire, Tailwind CSS, Redis Queue, Filament PHP...

Experience

PHP - 7 years Angular - 7 years Ionic - 7 years Python - 5 years Web Performance Optimization (WPO) - 5 years Vue - 4 years Laravel - 4 years Tailwind CSS - 3 years

Availability

Part-time

Preferred Environment

Laravel, Tailwind CSS, JavaScript, Vue, Angular, Laravel Livewire, Filament, Machine Learning, Artificial Intelligence (AI), Large Language Models (LLMs)

The most amazing...

...project I've developed is an exploratory data analysis platform capable of generating automatic reports, data visualization, and predictive models.

Work Experience

Full-stack Developer

2015 - PRESENT

RaúlLG

Developed products based on Laravel—most of them are highly integrated with automation and AI.
Created Codexatlas.app, a platform that automatically documents code and aims to reduce the technical debt of the world.
Built Talkzy.app, a bot that joins your meetings, transcribes them, and prepares a nice summary for all the attendees automatically.
Created Prompttokencounter.com, which gets over 4,000 monthly visits.

Technologies: Vue, Laravel, PHP, Node.js, Swift, Tailwind CSS, Angular, Ionic, iOS, GitHub, Full-stack, TypeScript, WebSockets, AWS Lambda, Data Scraping, Amazon Web Services (AWS), Architecture, System Architecture Design, Cloud Infrastructure, Server Infrastructure, REST APIs, Back-end, CSS, Web Scraping, Scraping, XML Parsing, HTML Parsing, GPT, Natural Language Processing (NLP), Generative Pre-trained Transformers (GPT), Web3.js, Non-fungible Tokens (NFT), Blockchain, Blade, Vapor, Machine Learning, Clustering, Full-stack Development, Web Development, Scalable Architecture, GraphQL, PWA, Containers, Laravel Livewire, Filament PHP, Mobile Development, Object-oriented Programming (OOP), SQL, Linux, Prompt Engineering

Full-stack Developer

2020 - 2023

Calima

Developed a content management system (CMS) for a German company that can handle data from Facebook, Instagram, and Twitter and Google My Business (GMB) reviews management.
Built a mobile Swift application for a leading big oil company that helps users find the nearest charging station and allows them to interact with their electric vehicles while charging.
Created a learning platform following the Learning Tools Interoperability (LTI) protocol for Stripe's partner in Ireland.

Technologies: Laravel, Tailwind CSS, Vue, Angular, Ionic, iOS, GitHub, Full-stack, TypeScript, WebSockets, AWS Lambda, Data Scraping, Amazon Web Services (AWS), CTO, Architecture, System Architecture Design, Cloud Infrastructure, Server Infrastructure, REST APIs, Back-end, CSS, GPT, Natural Language Processing (NLP), Generative Pre-trained Transformers (GPT), Blade, Vapor, Full-stack Development, Technical Leadership, Web Development, Software Design, Scalable Architecture, React, GraphQL, PWA, Containers, Laravel Livewire, Filament PHP, Cordova, Mobile Development, Object-oriented Programming (OOP), SQL, Linux, Prompt Engineering

Senior Full-stack Developer

2022 - 2022

Bhoost Hosting SL

Contributed to Bhoost, an eCommerce service provider from Italy. The admin can access the Filament panel to add customers and grant them admission to the Livewire dashboard.
Participated in the connection of multiple data sources, like PageSpeed Insights, Google Web Vitals, a CRM, and an invoicing system.
Contributed to a lead magnet where external visitors can introduce URLs of their websites, which will enter the processing queue. Once the speed analysis is done, they will be taken to the dashboard with specific actions they can take to improve it.

Technologies: Laravel, PHP, Laravel Livewire, Tailwind CSS, Redis Queue, Filament PHP, PageSpeed, Object-oriented Programming (OOP), SQL

Senior Full-stack Developer

2022 - 2022

MixLoterias

Contributed to Puntos Mixtos, a mobile application with a custom admin panel built with Filament PHP. Businesses can access the admin panel with special permissions and make plays for some users with a custom, guided form.
Enabled a processing queue assigned to different businesses to process it manually every time the play is made. If it's not processed within 1 minute, it will be assigned to another business.
Participated in adding functionalities to Filament with custom Livewire components to generate QR codes, scan them, and access the unique functionality for tickets and prizes.

Technologies: Laravel, Ionic, Angular, Filament PHP, Laravel Livewire, WebSockets, Laravel Echo, Tailwind CSS, Object-oriented Programming (OOP), SQL

Senior Full-stack Developer

2021 - 2022

Self-employed

Built a SaaS website using Filament v1 that allows admins to create customers with one or multiple domains.
Worked on a multi-tenant application that allows customers to access their domains and manage everything from their website, including payment methods, products, categories, content, and leads.
Contributed to Google Maps and Airtable connection to store restaurants without a website in Airtable for a sales team.
Enabled the sales team to access Filament, choose a restaurant, and create a website automatically with the information about that restaurant.

Technologies: Laravel, Airtable, Laravel Livewire, Tailwind CSS, Multitenancy, Filament PHP, PHP, JavaScript, Alpine.js, Object-oriented Programming (OOP), SQL

Senior Full-stack Developer

2021 - 2022

IQcure

Developed a tablet app and a Filament dashboard for a health app to help employees manage all tasks related to the hotel, including guest appointments, the configuration of media libraries, app content management, and task and guest management.
Contributed to the media importer, which is the Livewire component connected to several sources like Unsplash and Pexels. Once an image is selected, it's imported into the system and can be reused in different resources.
Used Amazon S3 to store different document versions, allowing users to restore them any time they want and check the differences between the documents with a custom modal.

Technologies: Amazon Web Services (AWS), Angular, Ionic, Back-end, Laravel, Laravel Livewire, Filament PHP, Tailwind CSS, Object-oriented Programming (OOP), SQL

Full-stack Developer and Data Scientist

2019 - 2021

Butler Scientifics

Migrated the original Delphi desktop software to a cloud-based environment using Laravel, Python, and AWS.
Created an automated reporting system that allowed them to deliver projects three times faster while improving the quality of the reports.
Developed AutoDiscovery AI, a module that generates an optimized random forest predictive model for the provided data and generates a web-based UI so doctors can be assisted when triaging a patient.
Designed the whole platform and optimized it to handle thousands of records and results.
Built cross-selling functionality to allow the data scientists in the team to perform more extensive analyses and display part of them to the clients so they can see the real potential of their study and hire more services.

Technologies: Laravel, Python, Vue, MySQL, GitHub, Full-stack, TypeScript, Data Scraping, Amazon Web Services (AWS), Architecture, Cloud Infrastructure, Server Infrastructure, REST APIs, Back-end, CSS, Web Scraping, Scraping, XML Parsing, HTML Parsing, Natural Language Processing (NLP), GPT, Generative Pre-trained Transformers (GPT), Blade, Vapor, Machine Learning, Clustering, Full-stack Development, Web Development, Scalable Architecture, GraphQL, Containers, Object-oriented Programming (OOP), SQL

Full-stack Developer

2015 - 2019

Coco Solutions

Developed an internal CMS system as a SaaS, which is now handling 500+ client websites.
Designed and created 100+ websites using Bootstrap, PHP, and our custom CMS.
Built an automated website testing tool that tests over 100 factors, ensuring the websites are created according to the company's quality standards.

Technologies: PHP, JavaScript, Vue, Ionic, Python, Web Performance Optimization (WPO), GitHub, Full-stack, Data Scraping, Server Infrastructure, REST APIs, Back-end, CSS, Web Scraping, Scraping, XML Parsing, HTML Parsing, Full-stack Development, Technical Leadership, Web Development, Cordova, Mobile Development, Object-oriented Programming (OOP), SQL

Experience

CodexAtlas

https://codexatlas.app

A Laravel-based SaaS that automatically keeps your code documented using large language models. It runs on a serverless environment and can handle dozens of millions of files daily. It is also capable of running with custom LLM models and built-in integrations with GitHub, GitLab, Bitbucket, Confluence, and more.

AutoDiscovery

http://butlerscientifics.com

AutoDiscovery is an intelligent automated exploratory data analysis software that helps Biomed researchers unveil complex relationships hidden in the data files of scientific experiments and clinical trials.
It is built with Laravel and Python and powered by AWS to ensure high performance and scalability. Capable of generating automated reports and automatic predictive models with a friendly UI.

Data Science Platform

A web platform with data science tools for one of the biggest banks in Spain. The platform was built using Laravel and Vue, and tools were created mainly using Python and JavaScript. One of the tools that made a difference was a business name clustering system, which allowed them to create richer statistics and have a better knowledge of the transactions happening in their ecosystem.

Electric Vehicle Charging App

A Swift-based app for one of the most important gas companies, leading their transformation to electric vehicle charging stations. The app displays a map with all the charging stations in Europe, allowing the users to charge their cars and get the fastest route to the desired charging station.

Blockchain Analytics Platform

Laravel-based web app for blockchain analytics. The platform would fetch hundreds of thousands of records from Axie Infinity and calculate different statistics that provide more game intelligence to make decisions.
Also, more on-chain statistics are fetched and displayed on the platform.

OpenGraphr

https://opengraphr.com/

OpenGraphr is an AWS Lambda-based API running in Node.js and Puppeteer that fetches Open Graph metadata from websites, powered by a subscription model built with Laravel and Stripe. Right now is powering more than 100,000 requests per month.

Rank Predictor

A Laravel, Python, and AWS-powered application that analyzes users' websites against its competitors and gives them hints on what to improve to rank before them on the search engine results pages (SERP) for specific keywords. Now it's being re-built with new features to provide users with an SEO suite.

Skills

Languages

Python, JavaScript, HTML, PHP, TypeScript, CSS, SQL, Swift, GraphQL

Frameworks

Laravel, Tailwind CSS, Angular, Ionic, Laravel Livewire, Redux, Vapor

Libraries/APIs

Vue, REST APIs, Web Worker, Stripe, React, Node.js, Web3.js, Redis Queue

Paradigms

Web Performance Optimization (WPO), Mobile Development, Object-oriented Programming (OOP), Data Science

Platforms

iOS, AWS Lambda, Amazon Web Services (AWS), Blockchain, Linux

Storage

MySQL, XML Parsing, PostgreSQL

Other

APIs, Website Performance, Software Engineering, Full-stack, Data Scraping, Back-end, Web Scraping, Scraping, HTML Parsing, Full-stack Development, Web Development, Software Design, Scalable Architecture, Filament PHP, Filament, Alpine.js, Data Structures, Web Accessibility, Progressive Web Applications (PWA), SEO Tools, WebSockets, CTO, Architecture, System Architecture Design, Cloud Infrastructure, Server Infrastructure, Natural Language Processing (NLP), Technical Leadership, PWA, Multitenancy, GPT, Generative Pre-trained Transformers (GPT), Prompt Engineering, Large Language Models (LLMs), Machine Learning, Clustering, Blade, Non-fungible Tokens (NFT), Containers, Airtable, Cordova, Artificial Intelligence (AI)

Tools

GitHub, Laravel Echo, PageSpeed

Education

2015 - 2018

Engineer's Degree in Computer Engineering and Business Management

University of Las Palmas de Gran Canaria - Gran Canaria, Spain

Certifications

FEBRUARY 2022 - PRESENT

Certified Laravel Developer

Laravel

OCTOBER 2018 - PRESENT

Back-end Development and APIs

freeCodeCamp

OCTOBER 2018 - PRESENT

AI Programming with Python Nanodegree

Udacity

SEPTEMBER 2018 - PRESENT

Front-end Development Libraries

freeCodeCamp

JULY 2018 - PRESENT

JavaScript Algorithms and Data Structures

freeCodeCamp

JUNE 2018 - JUNE 2021

Mobile Web Specialist

Google Developers

APRIL 2018 - PRESENT

Mobile Web Specialist Nanodegree Program

Udacity

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring