Software Engineer with 6+ years of professional experience specializing in Ruby on Rails full-stack development. Deep expertise building scalable web applications across SaaS platforms, enterprise systems, and GIS solutions following MVC architecture and object-oriented programming principles. Strong track record in performance optimization, test automation, and agile development. Currently building an AI-augmented content platform with a 15-agent orchestration system on Rails 8.
Professional Experience
[Solopreneur] Knowledge management and publishing platform that transforms Obsidian vaults into monetizable websites with newsletters, semantic search, and AI-powered content curation. Rails 8 application with a 15-agent AI orchestration system processing 10,000+ documents through a 7-phase content pipeline.
- Architected 15-agent AI orchestration system with 8 on-demand skills using Claude (Opus/Sonnet/Haiku), coordinating autonomous content processing across 7 pipeline phases
- Processed 8,032 bookmarks and 1,762 conversations into structured knowledge base using custom Ruby ETL scripts, reducing content curation time from days to hours
- Designed cost-optimized multi-model LLM strategy combining Claude, Ollama (local Qwen 3 14B), and NanoGPT, reducing AI infrastructure costs by 92% ($510/mo to $38/mo)
- Built spec-driven development workflow with agent quality assessment framework (7-dimension scoring) for auditing agent ecosystems
- Implemented mobile-to-VPS autonomous agent workflow via GitHub Actions, enabling AI task execution from Android/Termux
Stack: Rails 8, Hotwire, PostgreSQL 16, pgvector, Solid Queue/Cache/Cable, Kamal 2, Cloudflare R2, Claude API, Ollama, Quartz 4, Git
[Monolith] Industry-leading SaaS for branded merchandise. Contributed to Printavo, the flagship shop management platform serving thousands of print shops. Implemented features using Rails 6/7 with Hotwire and ViewComponent, maintained multi-provider payment architecture (Stripe, Payrix, PayPal), managed Pundit authorization policies, and led Rails 7 migration within agile SCRUM team.
- Reduced initial page load by 68% (2.5s to 0.8s) and database queries by 74% (47 to 12) by implementing Turbo Frames lazy loading for order dashboard tabs with Pundit authorization preserved in each partial
- Accelerated Rails 7 migration by leading 10 stories across 6 sprints, establishing migration patterns adopted by 8-person team and resolving gem compatibility issues
- Championed code quality by refactoring 100+ files to Rubocop standards across 32+ PRs, configuring Pronto for automated PR linting and haml-lint for template validation
- Managed Flipper feature flag lifecycle (creation, beta rollout, monitoring, cleanup) for billing, receiving, and email domain verification features across production deployments
- Maintained multi-provider payment testing with VCR cassettes for Stripe and debugged Capybara iframe interactions for Payrix embedded payments
Stack: Rails 6/7, Hotwire (Turbo, Stimulus), ViewComponent, Pundit, Flipper, Tailwind, HAML, MySQL, PostgreSQL, Redis, Sidekiq, Stripe, Payrix, VCR, Capybara, CircleCI, Heroku, NewRelic
[Monolith] Enterprise IT research and advisory company. Contributed across 9 products: SoftwareReviews, Provider Portal (built from scratch), Info-Tech CMS, MyPolicies, Pelican, Feedback, Kestrel, Warthog, and DDR Reports. Focused on performance optimization, CanCanCan/Pundit authorization, paper_trail audit trails, SAML SSO, and team collaboration through code reviews and technical presentations.
- Eliminated N+1 queries by refactoring core methods using
group_by/index_by hash lookups and activerecord-import for bulk operations, reducing feature lookups from O(n) to O(1)
- Implemented CanCanCan authorization for offering access control based on license status, writing RSpec tests for abilities across 5 applications
- Stabilized Sidekiq by diagnosing hanging jobs and implementing
super_fetch!, reliable_scheduler!, transactional_push! with systemd watchdog monitoring
- Built Pusher WebSocket progress reporting for LargeCategoryCreationJob handling 10,000+ record migrations with comprehensive error handling
- Implemented SAML SSO across 4 applications using Microsoft Entra and Okta, with SCIM group provisioning and role-based access
- Built Provider Portal from scratch using SoftwareReviewsShared ViewComponents and breadcrumbs.js, establishing process standardization and knowledge-sharing across frontend teams
- Resolved MyPolicies Sidekiq multitenancy issues and led a Domain-Driven Design (DDD) refactor for core models to ensure robust data isolation
- Created comprehensive technical documentation, API references, and runbooks, translating complex engineering concepts for non-technical stakeholders and external clients
- Reduced test suite from 45 to 38 minutes by profiling with TestProf/FactoryBot and delivered Bullet gem presentation for team-wide N+1 detection adoption
Stack: Rails 5/6, PostgreSQL, MySQL, Redis, Sidekiq, CanCanCan, Pundit, paper_trail, acts_as_tenant, Pusher, Elasticsearch, jQuery, Stimulus, ViewComponent, RSpec, FactoryBot, Capybara, Semaphore CI, GitHub Actions, Heroku, Capistrano, Rollbar
[Microservices] Real-time logistics tracking platform for fleet management across Latin America. Joined during migration from Rails monolith to pure Ruby microservices on AWS serverless. Built GraphQL/REST integrations across 7 microservices, automated infrastructure with SAM/CloudFormation, and implemented PostGIS scripts for geographic data.
- Built 5 GraphQL/REST integrations between AWS AppSync, API Gateway, and Lambda using adapter pattern to decouple core logic from transport layer
- Automated infrastructure deployment with SAM templates and CloudFormation across 3 environments with Aurora PostgreSQL Serverless
- Expanded to 2 new markets (Brazil, Colombia) by implementing PostGIS scripts using INEGI sources, QGIS, and Elasticsearch for geojson storage
Stack: Ruby, React, AWS (Lambda, AppSync, API Gateway, Aurora PostgreSQL, CloudFormation, SAM, CloudWatch), PostGIS, GraphQL, Elasticsearch, Docker
[Monolith + REST API] Mexico's banking security company serving all major financial institutions. Built the Centro de Inteligencia Bancaria (CIB) -- a strategic intelligence center. Developed core Rails application with versioned REST API serving a React-based Kepler.gl mapping frontend, processing ~200K georeferenced crime incidents.
- Saved 120+ hours/month by creating 30+ rake tasks to automate coordinate processing, timestamp normalization, and polygon validation using activerecord-import for bulk insertion
- Built interactive crime maps with Leaflet.js and Kepler.gl (React) visualizing ~200K georeferenced incidents with clustering and choropleth layers
- Centralized intelligence workflows by building Rails monolith that transformed MS Access, DBF, Excel, and CSV data into unified analysis platform with Chartkick reports
Stack: Rails, PostgreSQL, PostGIS, JavaScript, Leaflet.js, Kepler.gl (React), Chartkick, ActiveRecord Import, Devise, Docker, Azure DevOps, Heroku
Academia de Empresarios (2020-2021): Led team of 5 developers and 2 designers to create equity crowdfunding MVP. Delivered in ~4 months by designing data model ERD and coordinating 24 SCRUM rituals. Integrated Stripe API for payment processing with webhook callbacks. Stack: Rails, PostgreSQL, React, Stripe, Docker, GitHub Actions, AWS S3
Baos Life (2019-2020): Led 3 developers to translate Excel requirements into production Rails app. Launched subscription platform in single quarter with Stripe Connect for recurring payments. Dockerized development with ngrok for webhook testing. Stack: Rails, PostgreSQL, React, Docker, Stripe Connect, Devise, GitHub Actions
Technical Skills
Backend
Rails 5/6/7/8, Hotwire (Turbo, Stimulus), ViewComponent, Sidekiq, GraphQL, Solid Queue/Cache/Cable
Auth & Audit
CanCanCan, Pundit, paper_trail, Flipper, Devise, SAML SSO
Databases
PostgreSQL (pgvector), PostGIS, MySQL, Redis, Elasticsearch
Testing
RSpec, FactoryBot, Capybara, VCR, TestProf, Bullet, SimpleCov
DevOps
Heroku, Docker, Kamal 2, AWS (Lambda, Aurora, S3, CloudFormation), CI/CD (GitHub Actions, CircleCI, Semaphore), Capistrano
AI/LLM
Claude API, Ollama, agent orchestration, RAG (pgvector), prompt engineering
Frontend
Stimulus, jQuery, React, Turbo Frames/Streams, Tailwind, Bootstrap, HAML
GIS
PostGIS, Leaflet.js, Kepler.gl, QGIS, clustering, choropleth
Practices
Agile/SCRUM, MVC, OOP, server-side rendering, spec-driven development
Education
MSc Computer Science & Telecom (Expected 2026)
UTEL | 2025 - Present | GPA: 9.4/10
CompTIA Security+ Prep
edX/ITESM | 2023
BA Philosophy
UNAM | 2014-2017; Graduated 2022 | GPA: 9.58 | Cedula: 13166504
Full Stack Developer
Microverse | 2020-2021 | Rails, React, <4% acceptance
Certifications
Kevin Mitnick Security Awareness
KnowBe4 | 2022
Microverse Fullstack Certification
2021
Programa Liderazgos Progresistas
Friedrich Ebert Stiftung | 2018
Languages
Spanish (Native) | English (Full Professional) | French (B1)