Work Experience

9 years of building scalable systems and leading high-performing engineering teams

Case Studies

Feature Flag Platform

Vetted Health2024

Challenge

LaunchDarkly costs were $50k/year and growing. Needed internal solution with better control and reliability.

Solution

Built React micro-frontend feature flag platform with AWS backend, replacing LaunchDarkly entirely.

Results

95% cost reduction ($50k → $2.5k/year)
Zero downtime during migration
Deployment time reduced from 2 hours to 15 minutes
100% feature parity with LaunchDarkly
ReactModule FederationNode.jsAWS LambdaDynamoDB

Real-time Messaging & Automation

Vetted Health2024

Challenge

Manual candidate engagement couldn't scale. Needed automated workflows for 500+ daily qualified candidates.

Solution

Designed event-driven messaging system with SMS/email automation, sentiment analysis, and real-time chat.

Results

500 qualified candidates processed daily
150k active candidates managed
99.9% message delivery rate
40% reduction in manual engagement time
TypeScriptAWS SQSPostgreSQLWebSocketsTwilio

Engineering Team Growth

Vetted Health2024-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

Grew team from 3 to 7 engineers
25% improvement in delivery velocity
Zero attrition rate
Reduced incident response time by 60%
LeadershipHiringMentoringAgileProcess

Infrastructure Cost Optimization

EPAM Systems2022-2024

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

Multi-million dollar business impact
40% reduction in AWS costs
Improved API latency by 60%
Better resource utilization
AWSPostgreSQLRedisKotlinGraphQL

Full Experience Timeline

Engineering Manager

Vetted Health

Jun 2024 - PresentUnited States (Remote)

Lead team of 7 engineers responsible for consumer-facing and revenue-impacting services.

  • 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 2024Mexico (Remote)

Delivered backend systems for large-scale consumer applications with millions of users.

  • 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 2022Mexico (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 2020Mexico

  • Built full-stack features using React and Node.js
  • Contributed to platform architecture and technical decisions

Software Engineer

Spaceshiplabs

Nov 2016 - Jan 2020Mexico

  • Built scalable React applications and backend services
  • Led frontend/backend refactors and platform migrations
  • Mentored junior engineers and contributed to architectural decisions