Ernest Leung Email & Phone Number

Los Angeles, Ca, Us

Temple City, Ca, Us

• Contribute to 18% revenue growth in Q4 by spearheading the development of multiple cross-platform applications• Streamline high-volume email data parsing and collection by developing an efficient middleware using Express and Google APIs, resulting in a 40% reduction in processing time• Engineer a responsive native invoicing app with React and html2canvas, cutting invoice processing time by 70%• Integrate a robust token system built on top of Stripe to deliver a seamless and secure checkout flow• Utilize AWS CloudFormation and CDK V2 to automate serverless deployment, resulting in a 10% reduction in deployment time, while enhancing the scalability and maintainability of the infrastructure• Configure AWS API Gateway's caching feature to optimize response times and reduce latency for frequently accessed APIs, delivering a 15% improvement in performance and an enhanced user experience for end-users• Expedite project timelines by 60% by implementing custom Puppeteer scripts to automate complex tasks• Refine security protocols by adjusting Chrome's user-agent and fingerprinting data, ensuring a 100% success rate in task automation while maintaining professional and ethical compliance• Reduce revisions in project lifecycle by 30% via direct collaboration with clients to devise bespoke software solutions

• Initiated 10+ feature-rich and user-centric interfaces, enriching UI/UX and fueling a 15% growth in user base• Revamped components using Framer Motion and modern design principles, improving engagement rate by 12%• Leveraged Sequelize with TypeScript for streamlined database interactions and improved data integrity• Constructed a SQL database abstraction layer, comprising core models, repository, and service layers, to enhance security, reduce direct model references, and boost codebase modularity and maintainability• Automated unit tests and integration tests with Jest, resulting in a 30% decrease in bugs reaching production• Created custom ESbuild plugins to optimize module fetching and caching, resulting in a 6X reduction in in-browser loading and bundling time and a 35% decrease in code transpiling and execution time• Overhauled Electron's security protocols and reduced potential exploitations by 60% through strategic code refactoring and stringent configuration enhancements• Deployed landing page with AWS Amplify for CI/CD, leveraging Next.js’ static rendering for fast load times

Hk

• Utilized VBA to automate property valuation models, facilitating quicker investment decisions• Designed visually compelling pitch decks using Adobe Photoshop and Canva, leading to enhanced engagement• Employed Power BI to create interactive visualizations for tracking KPI across 500+ properties