Jun 2023 – Nov 2024 · 1 yr 5 mos · San Francisco Bay Area · Remote

• Served as maintainer of the Lightup Data Quality App’s user interface, contributing to architectural decisions, code reviews, and ensuring overall code quality.
• Implemented integrations for Dremio and AWS S3 as data sources in the Lightup App’s user interface.
• Implemented custom “WHERE” clauses by developing a boolean expression parser based on the Shunting Yard algorithm.
• Developed integration with AWS IAM to enable access to AWS S3 buckets as data sources for the Lightup App.
• Enhanced integration with Jira by enabling users to assign specific Jira users to tickets within the Lightup App’s user interface.

Aug 2020 – Aug 2021 · 1 yr

• Designed and implemented a mobile application using Flutter, Django, and MySQL to promote and grant pre-approved credits to top-tier clients, offering them special interest rates and credit conditions, granting 20M USD in new credits in the first 8 months.

Feb 2017 – Aug 2020 · 3 yrs 6 mos

• Designed and implemented a mobile application (using Android SDK, C#, and MSSQL) to gather georeferenced verification visits to clients, gather photographic evidence, and grant credits, reducing financial risks and improving credit recovery management. 15% of overall credits are granted exclusively through this application and 90% of all credits use the verification feature.
• Designed and implemented a georeferenced web dashboard (using Angular, C#, and MSSQL) to visually track client visits and validate the photographic evidence taken during those visits.
• Implemented a REST API to send SMS messages, reducing costs, and improving integration with the financial core. Over 200k messages are sent monthly through this service, using legacy VoIP equipment with TCP/IP communication layer, Python, and Flask.
• Designed and implemented a web application to survey clients and identify their financial products needs, using Angular and Django.
• Designed and implemented a web application to register, track, and respond to uncommon clients' financial requirements, like anticipated debt pay, reduction of credit quotas, quota prepayments, and others using Angular, Python/Django, and MySQL.
• Analyzed the concentration of georeferenced clients to improve decentralization by the creation of interest zones (geographic areas with low-risk rating clients), using Python and PostgreSQL/PostGIS.

Aug 2020 – May 2023 · 2 yrs 9 mos · San Francisco, California, United States · Remote

• Enhanced Udemy's Assessments taking experience by integrating support for images, math expressions, lists, and preformatted text, enabling the creation of new assessments and questions using Django, React, Node.js, MySQL, and GraphQL.
• Lead the development of the internal tooling to maintain questions and assessments in Udemy's Assessments platform, allowing maintainers to reduce their workload and improve user feedback resolution time, using React, Django, and MySQL.
• Developed an interactive chart graph for Udemy’s Assessments results page using React, Highcharts, and Django.
• Design and implement an in-house format and parser using Python and Kotlin to import assessment questions from external vendors, incorporating support for images, math expressions, lists, and preformatted text.

Aug 2020 – Apr 2023 · 2 yrs 8 mos

• Full-Stack Software Engineer at Udemy, Inc.

Sep 2016 – Jan 2017 · 4 mos · Provincia de Puno, Peru

Nov 2015 – Jul 2016 · 8 mos · Bahía de San Francisco y alrededores, Estados Unidos

• DJango: Reworker the admin query manager adding some additional features like query statement finder, PostGIS SQL documentation visor, virtual infinite scroll for a large set of queries.
• AngularJS: Added new features to the scheme editor like better change detection system, automatic field name generation, hint visualization, and some hidden memory leaks fixed, design, and implement a conditional manager to configure field visibility and validation rules in the mobile forms editor.

Jul 2011 – Dec 2011 · 5 mos

• Design and implementations of web applications.

Aug 2010 – Apr 2011 · 8 mos

• Software design and implementation.