# Jose Rosario > Senior Software Engineer Location: New York, New York, United States Profile: https://flows.cv/joserosario ## Work Experience ### Full Stack Software Engineer @ Betterment Jan 2024 – Present | New York, United States ### Head of Engineering @ Realworld Jan 2021 – Jan 2024 | New York, New York, United States ### Senior Full Stack Software Engineer @ Realworld Jan 2021 – Jan 2021 | New York, New York, United States ### Senior Software Engineer @ Memorial Sloan Kettering Cancer Center Jan 2021 – Jan 2021 | New York, New York, United States • Designed a testing strategy and developed integration tests for backend data aggregating API's using Tavern • Implemented application logging using the standard Python logging library and error alerting with Sentry ### Senior Software Engineer @ Ollie Pets Jan 2020 – Jan 2021 | New York, New York, United States • Developed and maintained a Django Python, React Javascript e-commerce web application • Redesigned backend APIs and front-end pages following changes to customer onboarding and food packaging • Created a custom administrative tool for customer support users to manage pet meal plans • Migrated marketing and transactional emails from Mailchimp to Iterable • Led integration with VWO for AB-testing and oversaw subsequent tests • Implemented version upgrades for Django (1.11 to 2.2), Ubuntu (14.04 to 18.04), and Python (3.5 to 3.6) ### Software Engineer @ Ollie Pets Jan 2018 – Jan 2020 | New York, New York, United States ### Partnerships Manager @ ScriptEd Inc. Jan 2017 – Jan 2018 | New York, New York, United States • Organized and led 12 field trips to technology companies and an annual hack-a-thon for 150 students • Managed over 30 student internship opportunities and advanced after-school classes • Cultivated and fostered relationships with approximately 10 financial donors ### Application Developer @ ThoughtWorks Jan 2013 – Jan 2017 | New York, New York, United States • Developed custom software applications using Agile methodologies • Worked in cross-functional teams to provide full-stack development for confidential clients as detailed below • Communicated technical information with client executives and development teams • Mentored STEM-underrepresented youth with Black Girls Code, Girls Who Code, and TechNovation Multinational Banking Company • Developed a Spring Boot Java, React JavaScript web application to capture new client information • Developed and maintained automated tests using Junit, Enzyme, Mocha, Chai, Sinon, and Nightwatch Large Retail Company • Decoupled and customized WebSphere Commerce and Solr to improve search result relevance • Created a testing framework to validate search result relevance using Groovy, Cucumber, and Java • Developed a management tool that enabled admin users to maintain and customize search configurations Non-Profit Global News Organization • Developed and maintained a desktop and mobile HTML website in a Ruby on Rails framework • Improved site performance by migrating a monolithic application to two that connected via a Restful API • Developed and maintained automated tests using Rspec, Capybara, Jasmine, Cucumber, and Selenium • Implemented a Ruby version upgrade from 1.8.7 to 1.9.3 Education Technology Company • Developed an Android tablet-based platform to enable real-time teacher-student collaboration • Developed an online portal for teachers to administer and grade students’ tablet assignments ### Website Manager @ Wheaton College (MA) Jan 2011 – Jan 2012 | Norton, Massachusetts • Designed presentation of student & faculty biographical data on department webpage • Updated news column with current events from the department & Computer Science student achievements • Communicated with Computer Science alumni to highlight post-graduate achievements & update current locations on Google Maps/Earth application ### Building Manager @ Wheaton College (MA) Jan 2011 – Jan 2012 | Norton, Massachusetts • Administrated Balfour Campus Center weekend & late-night programming • Supervised the safety & well-being of students in Balfour • Managed & assisted on-duty Balfour student-employees ### Information Technology Associate @ Time Warner Inc. Jan 2011 – Jan 2011 | Greater New York City Area • Produced documentation for existing scheduled processes written in Perl that updated & distributed employee directory data throughout the five divisions of Time Warner Inc. • Facilitated the migration project of moving from using HP's LDAP Directory Synchronization Utility (LDSU) software to Microsoft's Forefront Identity Manager (FIM) software to update the Global Address List used throughout the five divisions • Attended bi-weekly intern seminars focused on career advancement & professionalism • Partnered with interns to coordinate annual summer volunteer project in collaboration with New York Cares ### Residence Advisor @ Wheaton College (MA) Jan 2009 – Jan 2011 • Maintained a productive & safe living & learning environment for 25 residents • Established a floor community by holding unique programs that met residents' interests & needs • Connected residents with campus resources (i.e. Counseling, Public Safety, Academic Advising, etc.) ### Research Assistant @ Wheaton College (MA) Jan 2010 – Jan 2010 • Implemented algorithms & data collection methods for experiments using MobileRobots PeopleBot robot in C++ & Python (e.g. robot sensor data collection, environment recognition, human-robot interactions) • Built an iOS (iPad/iPhone) application in Objective-C for a Rapid Serial Visual Presentation (RSVP) reading system, which supports interdisciplinary research in Computer Science & Psychology to improve reading comprehension & increase individual reading rates ### Intern @ Turner Construction Jan 2006 – Jan 2007 • Performed office administrative tasks for large construction projects • Maintained inventory and personnel spreadsheets for company workers ## Education ### Bachelor of Arts in Computer Science Wheaton College Massachusetts ## Contact & Social - LinkedIn: https://linkedin.com/in/rosariojose --- Source: https://flows.cv/joserosario JSON Resume: https://flows.cv/joserosario/resume.json Last updated: 2026-03-31