Senior Software Engineer | Team Lead
2015 - PRESENTFinancial Tech Startup- Trimmed 66% off the homepage load time just by applying browser-based analysis done before joining the company.
- Helped build a new front end using the React ecosystem (including React Native, Redux, and MaterialUI) and Angular 7 ecosystem (including Angular Material).
- Prevented catastrophic bugs and outages by suggesting incremental alternatives and escalating the situation appropriately.
- Maintained existing services and provided architecture guidance to new services being written mostly in Java and Ruby on Rails.
- Implemented security features necessary to defend against attackers and maintain PCI compliance.
Technologies: Ruby on Rails, React, Node.js, Angular, Material Design, Java, Spring, JavaScript, GroovyAnalyst Developer
2012 - 2015Goldman Sachs- Communicated with non-technical people (e.g., compliance officers and traders) and engineered software to do whatever they needed.
- Improved web service latency by 90% via building an aggregation cache using the JVM and SQL.
- Became the C# go-to person on my large global team and taught the team about the Agile methodology.
- Used scripting languages like Ruby, Python, Bash, and DOS to automate tasks and perform file handling.
- Built projects with a variety of technologies (including AngularJS, Java, and JavaScript) either working in a silo, with local developers or working remotely with people on the global team.
Technologies: Java, JavaScript, AngularJS, SQLTechnical Consultant
2010 - 2012Capital One & eBay- Reduced security vulnerabilities by implementing appropriate back-end coding solutions.
- Substituted as a technical lead occasionally and applied the agile methodology to generate incremental value.
- Tuned databases, algorithms, and caches to improve the latency of systems.
- Integrated third-party software and APIs to improve the robustness of systems.
- Helped construct domain models and enhance backwards-compatible services using Java, JavaScript, and SQL.
Technologies: Java, JavaScript
Justin Ortiz
Software Developer in Miami, FL, United States
Member since July 29, 2018
Justin has added more than $100 million of value for his employer multiple times. He specializes in Ruby on Rails, React, and Java development and is proficient with several other technologies. Some of his first clients included Goldman Sachs and Capital One 360, but for the last five years, he has been working in a startup environment.
Justin is now available for hire
Portfolio
- Financial Tech StartupRuby on Rails, React, Node.js, Angular, Material Design, Java, Spring...
- Goldman SachsJava, JavaScript, AngularJS, SQL
- Capital One & eBayJava, JavaScript
Experience
- Object-oriented Programming (OOP) 7 years
- Agile 7 years
- Java 7 years
- JavaScript 6 years
- Spring 4 years
- React 4 years
- Ruby on Rails (RoR) 4 years
- Node.js 3 years
Availability
Part-time
Preferred Environment
Mac, JetBrains, Vi, Git
The most amazing...
...project I've worked on created impactful security work for a major financial company.
Employment
Experience
- Capital One 360 | Main eBanking Website (Development)https://www.capitalone.com/bank/
I implemented a variety of security stories and worked on integrations with third-party systems on the core website used by millions of users.
- Sample Hackathon Project (Development)https://the305connection.herokuapp.com/
Built a sample social network in a few hours using Ruby on Rails, Heroku, and other technologies during a hackathon. Took 100% responsibility for all of the coding and deployment.
- Sample 30-Minute App (Development)https://justin-activities.herokuapp.com/
Built and deployed the following app (in 30 minutes) to track personal activities using Ruby on Rails, Heroku, and other technologies. Includes authentication, authorization, and RESTful services.
Skills
Paradigms
Agile, Object-oriented Programming (OOP), RESTLanguages
Ruby, Java, JavaScript, Python, SQL, C#, TypeScript, GroovyFrameworks
Ruby on Rails (RoR), Spring, Ember.js, Hibernate, Redux, Sails.js, React Native, Cordova, Bootstrap, Angular, Django, GrailsLibraries/APIs
Node.js, jQuery, React, Google Maps, Stripe APIPlatforms
Linux, AWS EC2, Heroku, JVM, iOS, Meteor, MapBox, AndroidStorage
PostgreSQL, MongoDB, MySQL, Sybase, Redis, IBM DB2, AWS S3, MariaDBOther
Material Design
Education
- Bachelor's degree in Computer Science, Math, and Psychology2005 - 2010University of Pennsylvania - Philadelphia, PA, USA
