I'm a full-stack developer with more than nine years of experience utilizing Python/Django and C#/.NET to create online applications and REST APIs for national and international businesses in sectors like ed-tech, healthcare, government, and manufacturing. I have expertise in building systems from scratch, assisting businesses in streamlining their operations, and working for established startups with products that have millions of users.
Worked on the development of Newsela, an educative SaaS platform with 40+ million registered users from schools in the U.S. It integrates with other systems like Canvas, Google Classroom, Clever, etc. using standards OneRoster and LTI.
Managed to optimize the run time of a core process used to sync the database with external data by 100%, in at least half of the cases, thus enabling the business to work with larger organizations.
Documented and justified design decisions, leading to improved traceability of software changes by 10%. Developed the building blocks to support the new LTI standard used to integrate with Learning.
Handled QA, preproduction, and production environments on AWS EC2 and RDS, for a company with world-class remanufacturing international facilities for restoring and repairing electrical devices. Made application deployments and reviewed logs to fix application issues.
Implemented features that improved security and user experience by 20%, including matching users with their devices through their fingerprints and reading the device info.
Reduced operational cost and time by 80% by developing an application to make installations of APKs on multiple Android devices simultaneously.
Worked on a project aimed to replace the legacy core application used for the main business processes at Humano, one of the top health insurance companies in the Dominican Republic.
Implemented front-end and back-end features according to acceptance criteria.
Managed to debug several application issues. Participated in Scrum ceremonies including planning, what, how, refinement/grooming, retrospective, review, daily meetings.
Worked on developing software products for the fintech industry, helping commercial banks handle their backend and front-end office processes (opening client accounts, managing transactions, etc.) and offering Internet and mobile banking experiences to their clients.
Built the front end for currency conversion and remote check deposit features.
Ensured continued functionality during maintenance and testing of software.
Worked on the development of a governmental project used to control firearm license issuance for citizens. Delivered an improved user experience by 30% by creating interactive UI for data input using drag-and-drop and HTML maps.
educed waiting time by 80% by replacing a manual migration process with a windows service and a web service to integrate two systems.
Improved daily morning process from ~3 hours to less than 10 minutes by switching the data processing from Entity Framework to Stored Procedures.
