Lucas Castro

Software Engineer

Austin, TX

Skills

Languages and frameworks

JavaScript, Python, C#, Java, React, Vue.js, .NET, SQL

Technologies and tools

Node.js, PostgreSQL, NoSQL, AWS, Microsoft Azure, Docker

Other

Distributed Systems, CI/CD, API Design, Automated Testing, Full-Stack Development

Feb 2023 - Current

Streamlined front-end architecture by removing a third-party state management dependency, resulting in a 20% smaller bundle size and faster page loads
Solved onboarding friction with a redesigned TypeScript/React dashboard, prioritizing navigation, and leading to a 10% surge in new sign-ups
Trained and mentored one junior employee, resulting in a 30% increase in productivity within the first month.
Successfully managed a project to launch a new product line, resulting in a 2x increase in new customer leads within the first quarter

May 2022 - Aug 2022

Resolved a 3+ month project delay by proactively collaborating with a dependent team, enabling API completion and rapid development
Enhanced security of a large-scale web application, reducing its vulnerabilities by 65% through code refactoring and dependency patching
Improved code maintainability and quality by refactoring a React codebase to functional components and TypeScript, while also writing unit tests to achieve 80% UI unit test coverage.

Jun 2020 - Aug 2021

Developed a scalable vaccination appointment scheduling software, handling over 250,000 concurrent users during peak COVID-19 demand, fostering an ongoing technology partnership with the Utah County Health Department.
Implemented a project estimation algorithm leveraging React, Node.js, and Monte Carlo simulations, increasing on-time project delivery rates by 25%
Modernized software development practices by implementing CI/CD and automated testing across the department, achieving 100% adoption and enhancing overall efficiency.