Jon Cruz

About Jon Cruz

With over 5 years of expertise, I specialize in designing, developing, and optimizing high-performance, responsive web applications. Skilled in leveraging modern frameworks like React, Next.js, and TypeScript, I excel in creating intuitive user interfaces and seamless user experiences. I have a strong background in implementing RESTful APIs and integrating backend services using Node.js and Express.js, ensuring smooth functionality across platforms. Experienced in optimizing application performance with tools such as Webpack and Babel, and proficient in containerization and CI/CD practices using Docker, Jenkins, and GitHub Actions. I am committed to delivering scalable, maintainable code with a focus on accessibility and efficiency. Proven track record of collaboration in Agile environments, leading to enhanced project outcomes and faster deployment cycles. Driven to continuously learn and innovate in the ever-evolving tech landscape.

Experience

1. Software Engineer

   Chronos

   Mar 2023 — Present

   Implemented lazy loading for components and optimized bundle size in Single Page Application development, resulting in an average initial page loading speed improvement from 500 ms to 360 ms, enhancing the user experience.• Revamped the frontend codebase, incorporating TypeScript\'s static typing and custom-type interfaces for real- time type checking, leading to a 25% reduction in code-related bugs and significantly enhancing maintainability and reliability.• Activated Prometheus to intricately monitor and consolidate metrics from varied sources, orchestrating a substantial 130 ms reduction in data processing time for agile querying and analysis, while seamlessly integrating Grafana to unlock interactive capabilities, providing flexibility in visualizing metrics and data.• Collaborated with cross-functional teams to design and maintain backend APIs using GraphQL to optimize data retrieval and enhance system performance.• Enforced Test Driven Development methodologies by utilizing Jest and React Testing Library, effectively identifying and addressing issues early in the development cycle and maintaining a high standard of code quality with 97.5% code coverage.• Deployed and managed AWS instances (EC2, ECS, EKS) to ensure optimal performance and scalability, concurrently implementing robust container health monitoring that reduced downtime by 20% and enhanced deployment efficiency.• Engineered and constructed a MongoDB database with rapid scalability to store and manage data, including login information and passwords, while integrating advanced authentication functionality to fortify data security.• Updated a mobile-responsive landing page, chronoslany.com, featuring product documentation and contributors, leveraging AWS\'s reliable and highly available infrastructure to guarantee seamless accessibility for users across the globe.

Education

• Codesmith

  Advanced Residency for Experienced Software Engineers

  2019 — 2019

• California State University, Northridge

  Bachelor's degree

  2016 — 2020