Raul is available for hire
Hire RaulRaul Andres Sandrea Schloeter
Verified Expert in Engineering
Full-stack Developer
Location
La Chorrera, Panamá Oeste Province, Panama
Toptal Member Since
October 21, 2015
Raul is the kind of person to stay on a job, be loyal to it, and work ethically and honestly. He's looking for a position for the years to come. He wants stability from his employment. Raul gives his best every day and hopes to receive the same in return.
Portfolio
10X CORPORATION INC
Laravel, PHP, Back-end, API Development, REST APIs, Software Development...
B-Lynk, Inc.
JavaScript, Webflow, APIs, Full-stack, Database Design, GitHub
Tiltx/Smart Carrier
Amazon EC2, Amazon RDS, AWS Lambda, Serverless Framework, PHP, React, MySQL...
Experience
Availability
Part-time
Preferred Environment
AngularJS, Node.js, PHP, MySQL, PhpStorm, Windows
The most amazing...
...thing I've coded is a queue system for a global delivery SMS gateway.
Work Experience
Laravel Developer via Toptal
2024 - 2024
10X CORPORATION INC
- Worked on the maintenance of an already existing application.
- Tracked and fixed bugs using Jira as a project management tool.
- Made performance improvements and performed code and documentation cleanup using swagger-php.
Technologies: Laravel, PHP, Back-end, API Development, REST APIs, Software Development, Mobile Development, APIs, Swagger
Full-stack JavaScript Developer via Toptal
2023 - 2023
B-Lynk, Inc.
- Built a front end in Webflow using XanoDB as the data storage.
- Adapted the front end to handle multiple domains and clients.
- Designed and improved the client database structure.
Technologies: JavaScript, Webflow, APIs, Full-stack, Database Design, GitHub
Senior Full-stack Developer
2021 - 2023
Tiltx/Smart Carrier
- Developed an app that lets users purchase phone numbers, monitor inbound and outbound calls, and send SMS messages via automation or a form.
- Tracked issues via Jira and managed customer feedback and communication.
- Oversaw production pushed and multiple version releases.
Technologies: Amazon EC2, Amazon RDS, AWS Lambda, Serverless Framework, PHP, React, MySQL, Microsoft SQL Server, Amazon EBS, Amazon Simple Email Service (SES), Amazon Simple Queue Service (SQS), Laravel, Redis, TypeScript, Tailwind CSS, APIs, Amazon S3 (AWS S3), REST APIs, Amazon CloudFront CDN, Back-end, Architecture, Front-end, Front-end Development, Amazon DynamoDB, SQL, Linux RHEL/CentOS, Amazon Linux, Agile Software Development, SMS, Relational Database Services (RDS), Amazon Route 53, Amazon Simple Notification Service (Amazon SNS), Amazon CloudWatch, Object-oriented Programming (OOP), JSON, Back-end Development, Web Development, Databases, Agile, Node.js, Git, Full-stack Development, Integration, HTML5, UX Design, UI Design, API Integration, PHP 7, Stripe, Payment APIs, Charts
Full-stack Web Developer
2018 - 2020
Clearwater Compliance, LLC
- Fixed bugs and made improvements to existing software.
- Worked on migrating an old Zend Framework front-end to Angular.
- Made general improvements to the site's UI and UX, from better colors to better controls.
Technologies: Linux, Laravel, Angular, PHP, HTML, Full-stack, CSS, Apache, APIs, Back-end, SQL, Agile Software Development, Relational Database Services (RDS), Pivotal Tracker, Object-oriented Programming (OOP), JSON, Back-end Development, Web Development, Databases, Agile, MariaDB, Git, Full-stack Development, Integration, HTML5, PHP 7
Full-stack Web Developer
2016 - 2018
Marketing Matters Services
- Maintained and improved some of their existing websites and projects.
- Built a front-end application using React and other HTML tools.
- Created a back-end using Laravel as the main component.
- Built an SMS Gateway, including front-end, back-end, and mobile applications.
Technologies: Linux, React, Material UI, PHP, MySQL, Laravel, HTML, Full-stack, Amazon Web Services (AWS), CSS, Apache, APIs, Back-end, Architecture, Front-end Development, Bootstrap 3, SQL, Linux RHEL/CentOS, Amazon Linux, Agile Software Development, Relational Database Services (RDS), Amazon Route 53, Amazon Simple Notification Service (Amazon SNS), Amazon CloudWatch, Object-oriented Programming (OOP), JSON, Back-end Development, React Native, Web Development, Databases, Agile, Git, Full-stack Development, Integration, UX Design, UI Design, API Integration, PHP 7, WordPress, Payment APIs
Software Customization Specialist
2016 - 2016
FlightOffice Software
- Made general bug fixes to the flight plan section.
- Added the capacity for the flight plan to be printed as a PDF.
- Oversaw the deployment to production and server load and stats.
Technologies: Linux, JavaScript, PHP, HTML, Full-stack, CSS, Back-end, Web Development
Web Developer
2016 - 2016
FlightOffice Software (via Toptal)
- Made various fixes to flight plan calculations.
- Exported reports to PDF.
Technologies: MySQL, JavaScript, PHP, HTML, Full-stack, CSS, Back-end, Web Development
PHP Developer
2016 - 2016
UCSF (via Toptal)
- Fixed current problems with the AngularJS dashboard for the study.
- Provided Spanish translations for the dashboard.
- Made improvements to the MongoDB-MySQL synchronization.
Technologies: MySQL, JavaScript, PHP, MongoDB, HTML, Full-stack, CSS, Apache, Back-end, Front-end Development, Web Development
PHP Developer
2016 - 2016
FlightOffice Software (via Toptal)
- Fixed calculation errors on the flight plan web page and its respective PDF export.
Technologies: jQuery, Zend Framework, HTML, Full-stack, CSS, Back-end, Web Development
Senior Web Developer
2011 - 2016
Netzuri, Inc.
- Developed a soccer league management system, risk management and assessment software, and a custom CMS.
Technologies: Linux, Zend Framework, MySQL, PHP, HTML, Full-stack, CSS, Apache, Back-end, SQL, Linux RHEL/CentOS, Relational Database Services (RDS), Object-oriented Programming (OOP), JSON, Back-end Development, Web Development, Databases, Agile, Full-stack Development
Lead Web Developer
2011 - 2013
Quantic Vision
- Developed a full-featured SMS gateway.
- Created customized software for a government agency as well as custom modules and hooks for SugarCRM.
Technologies: Linux, Zend Framework, PostgreSQL, MySQL, PHP, HTML, Full-stack, CSS, Apache, Back-end, Architecture, Front-end, Front-end Development, Bootstrap, Bootstrap 3, SQL, Linux RHEL/CentOS, SugarCRM, jQuery UI, MySQL Workbench, Amazon Linux, SMS, Relational Database Services (RDS), Zend Debugger, Amazon Route 53, Object-oriented Programming (OOP), JSON, Back-end Development, Web Development, Databases, Full-stack Development, Integration, API Integration
Web Developer
2008 - 2011
Quantic Vision
- Created a custom application from scratch using procedural PHP programming.
Technologies: Linux, MySQL, PHP, HTML, Full-stack, CSS, Apache, Back-end, Architecture, Front-end, Front-end Development, Bootstrap, Bootstrap 3, SQL, Linux RHEL/CentOS, SugarCRM, jQuery UI, MySQL Workbench, Relational Database Services (RDS), Zend Debugger, Object-oriented Programming (OOP), JSON, Back-end Development, Web Development, Databases, Full-stack Development, API Integration
Full-stack Developer
2005 - 2008
Freelance
- Developed a web application to manage quotes and expenses for different departments within a single organization.
- Completed over 20 Joomla sites from start to finish trying to comply as closely as possible with the designer's specifications.
- Worked remotely on an online car dealership located in Canada.
Technologies: PHP, JavaScript, CSS, MySQL, Apache2, HTML, Back-end, Architecture, Front-end Development, SQL, Relational Database Services (RDS), Object-oriented Programming (OOP), Back-end Development, Web Development, Databases, Full-stack Development
Experience
Smart Carrier
https://app.smartcarrier.io/This React-based application is built from the ground up, with multiple back ends, depending on the operation needed.
The back end is one part Laravel, one part Lambda functions where it made sense to provide a better UX.
The back end is one part Laravel, one part Lambda functions where it made sense to provide a better UX.
Skills
Languages
PHP, JavaScript, HTML, PHP 5, PHP 7, SQL, CSS, HTML5, TypeScript
Frameworks
Bootstrap, Bootstrap 3, Zend Framework, Laravel, Material UI, Serverless Framework, Tailwind CSS, Angular, React Native, Swagger
Libraries/APIs
React, Node.js, jQuery UI, jQuery, REST APIs, Stripe, API Development
Paradigms
Object-oriented Programming (OOP), Agile, UX Design, UI Design, Agile Software Development, Database Design, Mobile Development
Storage
JSON, Databases, Amazon S3 (AWS S3), MySQL, Redis, Amazon DynamoDB, MariaDB, PostgreSQL, MongoDB, Microsoft SQL Server
Other
Full-stack, Back-end, APIs, Architecture, Front-end, Front-end Development, Back-end Development, Web Development, Full-stack Development, Integration, API Integration, SMS, Relational Database Services (RDS), Amazon Route 53, Amazon RDS, Payment APIs, Charts, Software Development
Tools
MySQL Workbench, SugarCRM, Zend Debugger, PhpStorm, Pivotal Tracker, Apache, Amazon CloudFront CDN, Git, Amazon Simple Queue Service (SQS), Amazon Simple Email Service (SES), Amazon Simple Notification Service (Amazon SNS), Amazon CloudWatch, Amazon EBS, GitHub
Platforms
Amazon Web Services (AWS), Amazon EC2, Linux RHEL/CentOS, Linux, Amazon Linux, AWS Lambda, Windows, Apache2, WordPress, Webflow
Education
1998 - 2003
Bachelor of Engineering Degree in Computer Science and Computer Engineering
Universidad Rafael Belloso Chacin - Maracaibo, Venezuela
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