Work Experience
9 years of building scalable systems and leading high-performing engineering teams
Case Studies
AI-Powered Candidate Screening
Vetted Health (Contractor) • 2024
Challenge
Manual candidate screening couldn't scale. Needed AI system to process 500+ candidates daily while maintaining quality and personalized engagement.
Solution
Built multi-agent AI recruiter using OpenAI GPT-4 with custom training on thousands of recruiter conversations. Implemented adaptive tone learning, sentiment analysis, and automated profile completion.
Results
AI-Enhanced Messaging Platform
Vetted Health (Contractor) • 2024
Challenge
Manual candidate engagement couldn't scale. Needed automated workflows with AI-powered sentiment analysis for 500+ daily qualified candidates.
Solution
Designed event-driven messaging system with AI sentiment analysis, automated engagement pipelines, and real-time chat. Integrated OpenAI for intelligent response generation.
Results
Engineering Team Growth
Vetted Health (Contractor) • 2024-Present
Challenge
Rapid growth required scaling team while maintaining quality and velocity.
Solution
Built hiring process, established ownership culture, implemented agile practices, and mentored engineers.
Results
Infrastructure Cost Optimization
EPAM Systems • 2022-2025
Challenge
High AWS costs and inefficient resource utilization across multiple services.
Solution
Implemented queue-based async systems, optimized database queries, and right-sized infrastructure.
Results
Full Experience Timeline
Engineering Manager (Contractor)
Vetted Health
Jun 2024 - Present • United States (Remote)
Lead team of 7 engineers responsible for consumer-facing and revenue-impacting services. Started as contractor while at EPAM (Jun 2024-Aug 2025), successfully managing both roles with full satisfaction from both companies.
- •Architected distributed backend systems processing 500 candidates/day using Node.js, TypeScript, and AWS SQS, maintaining 99.9% uptime while scaling to 150k active users
- •Built internal feature flag platform (React micro-frontends + AWS) replacing LaunchDarkly, reducing costs by 95% ($50k/year savings)
- •Designed real-time messaging workflows handling automated engagement pipelines with sentiment analysis
- •Improved team delivery velocity by 25% through agile practices and ownership culture
- •Reduced incident response time (MTTR) by 60% through better monitoring and on-call processes
- •Led hiring and onboarding of 4 engineers, growing team from 3 to 7 with zero attrition
Senior Software Engineer
EPAM Systems
May 2022 - Aug 2025 • Mexico (Remote)
Delivered backend systems for large-scale consumer applications with millions of users. Note: Jun 2024-Aug 2025 overlapped with Vetted Health contractor work.
- •Designed and optimized core booking flow APIs handling 100k+ daily requests, reducing checkout latency by 40% (800ms → 480ms)
- •Built frontend platforms and middleware enabling faster configuration and delivery of promotions using Kotlin + GraphQL
- •Implemented queue-based async systems to handle high request volume reliably, contributing to multi-million dollar business impact
- •Designed secure network and API access solutions for globally distributed teams
- •Participated in on-call rotations and production incident resolution
Software Engineer
Apex Systems
Oct 2020 - May 2022 • Mexico (Remote)
- •Built and optimized React-based UIs with focus on component design, state management, and performance
- •Created reusable frontend boilerplates improving development velocity through Storybook and testing best practices
- •Delivered scalable frontend solutions reducing time-to-production
Full-Stack Software Engineer
Owners-Link
Jan 2020 - Jun 2020 • Mexico
- •Built full-stack features using React and Node.js
- •Contributed to platform architecture and technical decisions
Software Engineer
Spaceshiplabs
Nov 2016 - Jan 2020 • Mexico
- •Built scalable React applications and backend services
- •Led frontend/backend refactors and platform migrations
- •Mentored junior engineers and contributed to architectural decisions