Back End Developer

• May 2022 - Present

Freelance Back-End Developer

• Aug 2021 - Present

Senior Software Engineer Team Lead

• Nov 2019 - Present

- Developed functional platform requirements guided by client data so that all the system specifications were agreed upon beforehand. - Created the system architecture and selected the tech stack. - Built the system database, which met the client's needs, thanks to the functional requirements collected. - Managed and assigned tasks to be done in the sprints for the back-end team. - Deployed back- and front-end projects on the servers every time new changes were uploaded. - Managed the team regarding the implementation of Scrum in all the sprints carried out., which usually lasted two weeks each. - Constructed the back-end architecture so the back end could communicate in real-time with a mobile delivery app. - Implemented a cache system to obtain products faster with Redis. Show less

Backend Developer

• Apr 2021 - Nov 2022

- Researched the system's database to optimize and migrate it from MySQL to PostgreSQL. - Gathered information to add new requirements to the implemented database. - Created an API in Nest (NestJS) to consume information from the new database. - Researched the system's database to optimize and migrate it from MySQL to PostgreSQL. - Gathered information to add new requirements to the implemented database. - Created an API in Nest (NestJS) to consume information from the new database.

Lead Database Administrator

• Oct 2018 - Nov 2019

- Managed the databases in all the different company systems. - Optimized database queries which reduced the response times of the application. - Synchronized the billing of 14 airports nationwide to make invoice reconciliation easier; this was a project that I worked on from scratch. - Managed the databases in all the different company systems. - Optimized database queries which reduced the response times of the application. - Synchronized the billing of 14 airports nationwide to make invoice reconciliation easier; this was a project that I worked on from scratch.

Preparador de Bases de Datos

• Dec 2016 - Mar 2019

- Helped students in the practices related to the database class. - Imparted knowledge associated with the creation of efficient database queries. - Developed practical PostgreSQL workshops with the aim of evaluating students' knowledge in query creation. - Helped students in the practices related to the database class. - Imparted knowledge associated with the creation of efficient database queries. - Developed practical PostgreSQL workshops with the aim of evaluating students' knowledge in query creation.

Desarrollador de aplicaciones

• May 2018 - Aug 2018

- Documented synchronization processes (stored in databases) between the company and the banking service provider. Previously it had stopped working and no one knew the reason. - Fixed bugs discovered during the synchronization of bank movements. - Optimized queries to databases; this area was an application bottleneck and was slowing down development. - Documented synchronization processes (stored in databases) between the company and the banking service provider. Previously it had stopped working and no one knew the reason. - Fixed bugs discovered during the synchronization of bank movements. - Optimized queries to databases; this area was an application bottleneck and was slowing down development.

Software Developer

• Jul 2017 - Oct 2017

- Developed the modules for a telemedicine platform where patients and doctors communicated through video calls. - Added new functionalities to an administrative system built with ASP. - Created a user notification platform with a mass mailing feature. - Developed the modules for a telemedicine platform where patients and doctors communicated through video calls. - Added new functionalities to an administrative system built with ASP. - Created a user notification platform with a mass mailing feature.

Desarrollador web

• Jul 2015 - Dec 2016

- Developed more than 1,500 accounting, payroll, and human resources reports. - Optimized database queries with the aim of reducing response times. - Generated OLAP cubes that consumed information from a database. - Developed database triggers and functions to replicate products in real-time from a database; this was done for two databases copies. - Developed more than 1,500 accounting, payroll, and human resources reports. - Optimized database queries with the aim of reducing response times. - Generated OLAP cubes that consumed information from a database. - Developed database triggers and functions to replicate products in real-time from a database; this was done for two databases copies.