Raúl is available for hire
Hire RaúlRaúl López Gutiérrez
Verified Expert in Engineering
Full-stack Developer
Las Palmas de Gran Canaria, Spain
Toptal member since July 8, 2022
Bio
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.
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
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, Generative Pre-trained Transformers (GPT), Natural Language Processing (NLP), 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, ChatGPT, OpenAI
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, 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, ChatGPT, OpenAI
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, Generative Pre-trained Transformers (GPT), Natural Language Processing (NLP), 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://codedocumentation.appA Laravel-based SaaS that automatically keeps your code documented using large language models. It runs on a serverless environment and can handle 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.comAutoDiscovery 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.
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.
Also, more on-chain statistics are fetched and displayed on the platform.
OpenGraphr
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.
Laboratory Admin Panel
Built a Filament, PHP, and Laravel admin panel that allowed the customer to easily manage everything happening in their laboratories.
The following features are included in the panel:
• Three different user roles with different permissions;
• Confidential information like company names would be displayed using Codenames, so people at the lab wouldn't know which company they were reviewing;
• Shipment tracking with connection to different APIs like UPS or DHL;
• Quote generation with different pricing rules depending on the kind of analysis;
• Azure login.
The following features are included in the panel:
• Three different user roles with different permissions;
• Confidential information like company names would be displayed using Codenames, so people at the lab wouldn't know which company they were reviewing;
• Shipment tracking with connection to different APIs like UPS or DHL;
• Quote generation with different pricing rules depending on the kind of analysis;
• Azure login.
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
Skills
Libraries/APIs
Vue, REST APIs, Web Worker, Stripe, React, Node.js, Web3.js, Redis Queue
Tools
ChatGPT, GitHub, Laravel Echo, PageSpeed, AI Prompts
Languages
Python, JavaScript, HTML, PHP, TypeScript, CSS, SQL, Swift, GraphQL
Frameworks
Laravel, Tailwind CSS, Angular, Ionic, Laravel Livewire, Filament PHP, Alpine.js, Redux, Vapor
Paradigms
Web Performance Optimization (WPO), Mobile Development, Object-oriented Programming (OOP)
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, OpenAI, Data Science, Data Structures, Web Accessibility, Progressive Web Applications (PWAs), SEO Tools, WebSockets, CTO, Architecture, System Architecture Design, Cloud Infrastructure, Server Infrastructure, Natural Language Processing (NLP), Technical Leadership, PWA, Multitenancy, 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), AI Translation
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