About

Work Experience

• Senior Backend Engineer, EPAM

  Oct, 2025 - Mar, 20265 months

  Joined EPAM as a Senior Backend Engineer under a client-staffing model; completed technical interviews with prospective client projects (Python/Django stack) during the engagement period.

• Backend Engineer, Nimble Gravity / EarthRanger

  Nov, 2021 - Dec, 20243 years 1 month

  Core backend engineer for EarthRanger, a wildlife conservation platform, responsible for API development, performance optimization, and infrastructure deployment using Kubernetes and GCloud.

  • Optimized the /observations/ endpoint response time from ~40-60s to ~2s (95%+ reduction) by refactoring Django ORM usage (select_related, prefetch_related), adding targeted database indexes, and partitioning the underlying table by date while maintaining a unified query interface

  • Maintained and scaled the core backend API supporting 500+ deployed application instances, as part of a 4-person core engineering team within a 30+ person cross-functional project

  • Led implementation of a GPS-based ropeless fishing trap tracking system in collaboration with NOAA, including anti-spoofing safeguards (speed-based consistency checks, configurable temporary bans) and configurable trap-visibility radius; addressed fatal whale entanglements from traditional rope-buoy traps and piloted the feature in a live production instance

• Backend developer, Pentalog

  Nov, 2018 - Nov, 20213 years

  Backend/full-stack engineer at Pentalog, working across three client projects: a hospital management MVP (US-based), a youth mentoring platform for BBBS of NYC, and a bilingual subscription-based digital journal platform for Journal de l'assurance.

  • Designed and implemented core backend architecture for a hospital management MVP (medical app for a US-based hospital), including JWT-based authentication, patient registration/tracking data models, and the majority of Django ORM models and migrations

  • Maintained a production web application for Big Brothers Big Sisters of New York City (BBBS of NYC), a US-based youth mentoring nonprofit, implementing UI improvements (e.g. click-to-call functionality for mobile users) and resolving bugs and styling issues

  • Redesigned a broken Stripe webhook integration for Journal de l'assurance's subscription platform — implementing error handling and automatic retries for failed events and correcting the endpoint's response format expected by Stripe — fixing a critical issue where unregistered payments left paying users without access

  • Built event-based subscription management functionality for Journal de l'assurance, including quiz management for events and interest-based notifications for users

• Specialized technician, H. Ayuntamiento de Tlaquepaque

  Apr, 2018 - Nov, 20187 months

  Specialized technician responsible for internal systems development and database reporting for the municipal government of Tlaquepaque.

  • Built a vacation and leave management system used by ~50 employees, automating payroll generation and settlement processes previously handled manually

  • Developed a Python script that connected directly to the organization's MSSQL database to generate resignation letters, automatically calculating severance payments owed to departing employees, bypassing the limitations of the legacy management system (ESLABON, a late-1990s platform)

• Web/mobile developer, Getinsoft

  Nov, 2016 - Jan, 20181 year 2 months

  Web and mobile developer at Getinsoft, building custom applications across .NET/C#, Java, and Python/Odoo based on client requirements.

  • Built an MVP web platform for nutritionists to manage patient records and diet plans, paired with a companion Android app (Java) that delivered diet plans to patients and integrated with a wearable fitness band to monitor patient vitals

  • Implemented a solar panel sizing calculator (C#/.NET) that translated customer energy requirements into recommended panels, batteries, and installation components; shipped to production

  • Customized Odoo (Python-based) CRM/ERP modules for a client's business processes

• Sys-admin and developer, International Department of Information Technology and Systems Development

  Jan, 2015 - Nov, 20161 year 10 months

  Sys-admin and developer responsible for network infrastructure, user support, and internal tooling.

  • Maintained network infrastructure and designed/implemented structured cabling for new offices and users

  • Developed and maintained the department's intranet website, and created Python scripts to generate phone usage reports from the internal PBX, segmenting consumption by department and user

Projects Experience

• HOLI

  Sep, 2019 - Present

  Freelance project designing and implementing the back-end of a hospital management API

  • Implemented inventory management, product purchasing and sales

  • Built dynamic PDF generation for account statuses

  • Implemented user roles and permissions for resource management

• Local Ads System

  Apr, 2016 - Present

  System for local ads, enabling admins to register businesses or services while users browse listings via web or Android app.

  • Built admin functionality to register businesses and services

  • Developed user-facing browsing of ads with location details and contact information

  • Integrated Google Maps and Waze for directions to listed businesses

  • Delivered both a web platform and an Android app for end users

• Awesome (codename)

  Jun, 2025 - Jan, 20267 months

  Freelance project (2 developers) building a CRM focused on Mexican electronic invoicing (CFDI), handling invoice creation and SAT compliance validation before stamping through a certified PAC.

  • Designed Django data models replicating the CFDI structure defined by Mexico's SAT (Anexo 20 - Guía de llenado de comprobantes fiscales digitales), including required fields, tax catalogs, and validation rules

  • Built forms enforcing SAT-mandated field formats, tax catalogs, and validations, including tax calculations

  • Developed a builder that generated the JSON payload required for electronic invoice stamping (timbrado), integrating with Digibox (a SAT-authorized PAC) to submit and stamp invoices

Skills

Education

Certificates

Interests