Backend and full-stack engineering for client-facing applications

• Since December 2021, contributed to the Ruby on Rails ecosystem for Advarra Inc, delivering production-grade features in a large-scale, enterprise client environment.
• Improved release confidence through automated unit and integration tests using RSpec, Minitest, and Capybara.
• Reduced regression risk by driving code review standards and continuous refactoring supported by RuboCop and Bullet.
• Stabilized production operations by troubleshooting incidents, coordinating dependency upgrades, and automating CI/CD flows via GitHub Actions and Docker.

LLM evaluation, stress testing, and quality calibration

• Evaluated frontier generative models to identify reasoning gaps, hallucination patterns, and instruction-following failure cases.
• Contributed to high-quality training datasets by reviewing peer outputs and enforcing strict quality criteria.
• Authored nuanced prompts and edge-case scenarios that improved model robustness under ambiguous user intent.

End-to-end platform delivery with modern Rails stack

• Built an end-to-end web platform using Rails, Hotwire, and Tailwind CSS to provide fast, app-like user experiences.
• Containerized services and implemented deployment workflows for dependable, near-zero-downtime releases on Hetzner cloud.
• Implemented SEO and analytics foundations including sitemap automation, structured data, and event tracking.
• Accelerated delivery cycles through AI-assisted prototyping while preserving architecture quality and maintainability.

Architecture and scaling of a microservices e-commerce ecosystem

• Designed and implemented microservices-powered e-commerce workflows integrated with Amazon PA and MWS APIs.
• Engineered resilient scraping pipelines using proxy rotation strategies to support data acquisition at scale.
• Integrated diverse payment systems including Stripe, Square, Easypaisa, and Finja for regional and international transactions.
• Administered cloud environments across AWS and DreamHost, improving uptime and operational responsiveness.