Paulo Castro
Verified Expert in Engineering
Software Developer
Paulo has over 20 years of professional IT experience and has worked for the most important IT vendors and companies in Latin America, the US, and Australia, always with outstanding results. His extensive background in technologies such as Ruby and Rails, PHP, .NET (C# and VB.NET), and Java has prepared him to design and architect both intricate standalone applications and complex multi-platform distributed and cloud systems.
Portfolio
Experience
Availability
Preferred Environment
PHP, React, Ruby on Rails (RoR), Ruby, Python, Amazon Web Services (AWS), Node.js, Go
The most amazing...
...thing I've built is Vetwork, an SaaS platform for veterinary practice management.
Work Experience
Senior Full-stack Developer
Outfit.io
- Designed, architected, and developed new features and improved the existing ones.
- Worked closely with key partners to integrate the platform with third-party solutions like Salesforce, Salesforce Marketing Cloud, and customer legacy systems.
- Oversaw the platform's infrastructure and security management.
Senior Full-stack Ruby on Rails Developer
Vetwork
- Developed new features (screens and databases) for Vetwork, a web-based veterinary solution that manages all the key areas of a veterinary practice like clients, patients, scheduling and appointment booking, invoicing, exams, clinical records, etc.
- Designed, deployed, and maintained all AWS infrastructure to host the platform.
- Led and coached a team of three developers. Managed sprints and reviewed code.
Full-stack RoR Senior Developer
NPGL (via Toptal)
- Developed in Ruby on Rails for a public and internal system.
- Developed in Node.js to support matches during 2015 season.
- Provided Heroku environment support.
- Developed and supported Gridleague.com using RoR and AngularJS.
- Developed and supported GridTV using PHP and MySQL.
Tiger Team
IBM
- Supported Latin American customers.
- Worked with entire IBM middleware stack.
Senior RoR Developer
LeadtrackPro (via Toptal)
- Optimized and migrated Leadtrackpro, a system to manage property grant tracking and reports originally built on ColdFusion, to Ruby On Rails.
Architect
Oracle
- Provided specialized architectural expertise in Fusion middleware.
Architect
Altran Group
- Provided services as an SOA specialist.
Senior Developer
Intervalor
- Developed a new capture platform for Intervalor, a service consulting for financial companies. The platform was for credit requests responsible for managing the entire request lifecycle through credit delivery.
- Built a new advocacy office management system responsible for running contentious charges.
Experience
Vetwork
NPGL
Bractlet
Vegan Snack Packs
Site Done Right
http://sdr.rustydealer.net/Skills
Languages
HTML5, JavaScript, CSS3, C#, Ruby, SQL, PHP, Python, Python 3, GraphQL, XML, Go, Java 8
Frameworks
Ruby on Rails (RoR), CakePHP, Bootstrap, ASP.NET, AngularJS, PhoneGap, Kendo UI, Telerik Kendo UI
Libraries/APIs
React, Google API, jQuery Mobile, jQuery UI, jQuery, Node.js
Tools
Git, Adobe Photoshop, Chef, Basecamp, Microsoft Visual Studio, Vagrant
Paradigms
Service-oriented Architecture (SOA), Agile Software Development, Object-oriented Programming (OOP), Event-driven Programming, Mobile Development, Penetration Testing, Agile
Platforms
Ubuntu, Heroku, WordPress, Amazon Web Services (AWS), Linux, Telerik, webMethods, AWS Lambda
Storage
SQLite, PostgreSQL, Amazon S3 (AWS S3), MySQL, Microsoft SQL Server
Other
Software Development, Spree Commerce, SOAP, AWS Cloud Architecture, Web Security, Application Security, Information Security, Cordova, Web Services, TIBCO, Oracle Fusion Middleware
Education
Master Degree in IT
FASP - Brazil
Certifications
Offensive Security Exploit Developer Certification
Offensive Security
Offensive Security Certified Professional
Offensive Security
Certified Associate in Python Programming - PCAP
Python Institute
Certified Information Systems Security Professional
ISC2
Oracle Certified Associate, Java SE 8 Programmer
Oracle
AWS Certified Solutions Architect Professional
Amazon Web Services