Eva Yi Zheng



Technical Skills

Experience

Senior Software Engineer I (February 2025 - Present)

  • Designed and launched an automated loan qualification engine in Ruby on Rails, which dynamically calculates maximum borrowable amounts and archives unqualified applications; this reduced sales overhead by eliminating manual lead chasing and increased 20%+ increase in qualified leads.
  • Developed the company’s first customer-facing full loan application platform, replacing a restrictive third-party solution with a validated, customizable in-house Rails application.
  • Scoped and delivered an in-house PDF generation system to improve borrower-retailer communications, then defined expansion opportunities for teammates to implement.
  • Subject matter expert for core loan features and support workflows, partnering directly with end users to identify pain points and rapidly ship Rails-based solutions that improved user experience and reduced operational friction.

    • Software Engineer (July 2023 - January 2025)

  • Strengthened platform security by implementing Multi-Factor Authentication (MFA) with Rodauth, aligning with SOC2 compliance and ensuring sensitive customer data protection.
  • Improved SLA compliance by creating documentation and leading knowledge-sharing sessions for engineers, reducing support resolution time to less than 24 hours and showcasing a commitment to operational excellence.
  • Developed and launched a new loan application intake channel, expanding customer access and driving a 50% increase in lead generation.
  • Architected and delivered a custom disclosure document generation system with WickedPDF, including automated storage in S3, ensuring scalable document workflows for regulated environments.

    • Skills: Ruby on Rails, Rspec, PostgreSQL, Docker, Git, AWS, Datadog

  • Drove cross-functional collaboration by leading regular knowledge-sharing sessions, resulting in a 20% increase in team efficiency.
  • Reduced production bugs by 25% by integrating automated testing into the CI/CD pipeline, raising the quality and reliability of customer-facing financial features.
  • Eliminated security vulnerabilities by remediating 100% of risks flagged by Checkmarx, strengthening customer trust and aligning with healthcare-level security standards.
  • Increased developer velocity with an internal ESLint NPM package for TypeScript projects, cutting development time by 10% and establishing scalable engineering practices.

    • Skills: Ruby on Rails, Minitest, React, GraphQL, Docker, Git, Circle CI, AWS, Checkmarx, Coralogix, Jira

    • Spearheaded adoption of Unqork component library to automate creation of mortgage application forms, reducing UI template development time by 50% and improving developer experience while ensuring consistency across applications.
    • Facilitated knowledge transfer sessions on Unqork for incoming team members, improving platform adoption and overall team efficiency.

    Education


    Projects

    Job Search
    Job Search Resources

    My passion lies in aiding individuals from non-traditional paths as they navigate their transition into the tech industry. Recognizing the challenges of this journey, I've crafted a dedicated GitHub repository brimming with an expansive array of invaluable job search resources. From honing interview skills to mastering the art of salary negotiation, this repository serves as a comprehensive guide, providing essential support throughout the transformative process.

    Weeb Out
    Weeb Out

    Step into the realm of anime exploration with this unique web application. Powered by a potent Rails API and brought to life through an interactive React frontend, it offers an extensive catalog of countless anime titles. Delve into the repository of user reviews, allowing you to make informed decisions and uncover your next captivating anime experience.

    Rubytopia
    Rubytopia

    This marks my initial undertaking from my coding bootcamp – an immersive Command Line Interface role-playing game. Its narrative branches into distinct conclusions based on your choices throughout the gameplay. Are you up for the challenge of uncovering all possible outcomes?

    Pokemon Fan Club
    Pokemon Fan Club

    Embark on an exhilarating journey into the world of Pokémon with this captivating Ruby on Rails full-stack project. For devoted fans and aspiring trainers, this platform offers an immersive experience where dreams of crafting the ultimate Pokémon teams come to life. Delve into a treasure trove of Pokémon movie summaries that await exploration, allowing users to delve deeper into the captivating narratives that define the Pokémon universe. Inject an element of surprise into your Pokémon adventure with the "Surprise Me" feature.