Rogelio

Started as a solo developer with a legacy application and building from that  ATM he managed 5 developers. He worked on a monolithic web server running an old framework, then set new frameworks running on several servers in the cloud.

• Data mining
• Data importing server
• Search engine server
• CRM server

Technologies: Linux, PHP 7, CodeIgniter, jQuery, MySQL, Elasticsearch, JavaScript, Vue.js, HTML, CSS, Linode, Algolia, Memcache, Salesforce, MLS, API Integrations, Networking, Scalability, Server Security, Web App Security, Linux System Administration, Software Architecture

He performed a Security Audit, finding and correcting security issues in the server infrastructure and the application layer. He also created new functionality in the web application, and worked in PHP and Vue.js.

• Created a new way of deploying environments in AWS.
• Added a load balancer for the web application, and configured the servers to work under a new architecture.
• Technologies: PHP, PHP 7, Vue.js, HTML, CSS, AWS, Amazon Web Services (AWS), Burp Suite, Penetration Testing, Server Security, Web App Security, Linux System Administration

He developed a new application that interacted with Salesforce. He also developed a new Laravel application that exported MS Word documents based on a set of dynamic questions.

• Performed troubleshooting and enhancements of existing applications using different versions of Laravel.
• Created different development and testing environments and managed the security policies in AWS.
• Technologies: Laravel, Laravel 5, Laravel 7, PHP 7, Linux, Amazon Web Services (AWS), AWS, MySQL, Apache2, Nginx, Vue.js, HTML, CSS, Salesforce, Salesforce API, DocuSign API

He created new functionality for vendor software.  He also created new applications related to logistics in the tech retail industry.

• Integrated Salesforce API to the web application.
• Integrated DocuSign API to the web application.
• Technologies: PHP 5, PHP 7, PHP Office, Salesforce API, JavaScript, Tabulator, MySQL, Nginx, Apache2, System Administration

He migrated a mobile back-end system to a new server and oversaw counter-hacking measures to regain control of ransomware that had infected the stack.

• Hardened the system to prevent future security breaches.
• Trobleshooted and fixed several bugs.
• Technologies: PHP 5, Joomla, Linux, Amazon Web Services (AWS), MySQL, Nginx, Firewalls, General Server Security

He developed algorithms for better sorting of suggestions offered to potential clients.  He also created the API to connect with a strategic partner that offers peer-to-peer money raising.

• Improved back-end existing functionality.
• Provided support to QA testers.
• Participated in architectural decisions for high-demand services.
• Technologies: AWS S3, Algolia, MySQL, Linux, Yii 2, PHP

He started as a freelancer working for Toptal, taking on projects that required solo-developers that could build systems from scratch, setting up servers, designing databases, and creating the back-end and front-end of a product. He worked as a Team Lead and Engineering Director.

Responsible for:

• Leading a technical team to re-design and re-build a crowdfunding platform
• Implementing back-end modules and fixing existent ones on many web applications under LAMP stack using several different MVC frameworks
• Implementing front-end from the scratch, and using different frameworks, on several web applications
• Adding third parties API functionality to existent or new web-sites
• Integrating payments modules to web applications
• Migrating web applications from a source server to a destination server running Linux based operative systems
• Fixing broken open source modules used in several web applications
• Performing operations and system administration tasks on web servers running Linux based operative systems
• Performing security assessments , penetration testings and server hardening in different systems for different clients
• In charge of implementing scalability solutions for different clients with similar stack.

• Added features to a local labor platform.
• Fixed bugs in JS code.
• Improved performance of the application by removing idle processes and functions.
• Created data importing processes.
• Technologies: Heroku, MySQL, CSS3, HTML5, jQuery, CodeIgniter

Director of Engineering (2015 – 2016)

• Helped the team improve the internal process.
• Created specifications for new features on the working platform.
• Interviewed clients, analyzed specs, and made decisions about prospective projects.
• Supervised the working relationship among developers and clients.
• Solved issues from billing to technical to ensure the quality of the provided service.
• Technologies: Software Architecture

Technical Screening Team Leader (2014 – 2016)

• Helped improve the internal process for talent testing and selection.
• Trained new team members.
• Led meetings and managed the team.
• Created new tests for the different technical roles.
• Coordinated with different teams to tackle different kinds of issues derived from screening.
• Technologies: Mobile Testing, DB, Back-end, Front-end

He created a new isologotype for the company and redesigned the site.  Rebuilt the payment process flow and created a blog module for the administrator accounts.

• Created a forms inbox module for administrators.
• Created news publishing capabilities for administrators.
• Created phases of processing and editing controls for administrators’ accounts.
• Created all the front-end landing pages and templates.
• Added JS plugins and apps such as scrollable, TinyMCE, and multi-uploader.
• Created a custom main page slideshow.
• Fixed several broken modules and classes.
• Created a cron job to monitor projects’ phase status.
• Added jQuery effects to several processes.
• Created an admin panel that allows admin users to control the platform processes.
• Created a chart generator for decision-making staff.
• Created the back-end and front-end for the new real estate business of the company.
• Created a social sharing module.
• Performed SysAdmin tasks on the server (migrations, SSL installations, upgrades, backups, cron jobs to trigger and control processes, and other configurations).
• Technologies: Linux Server Administration, Bash, Google API, Facebook API, Bootstrap, jQuery, JavaScript, CSS, HTML, CodeIgniter, PHP

• Freelance LAMP Developer and Support at InitSoft (2012-2014)
• PHP/Joomla Developer at LDS Trucking (via Toptal) (2013)
• Senior Web Developer at JCCRANE (via Toptal) (2013)
• System Admin/Drupal Engineer at Patients Pending Ltd. (via Toptal) (2013)
• AIX Developer at IBM (2010-2013)
• Security Server Administration at Hewlett Packard (2009-2010)
• IREG Technician at Claro (2006-2007)
• MCI-Verizon Nationwide Representative at Apex America (2005-2006)