Fausta Leonardo

• Resolved multiple UI issues in payment form, resulting in a significant increase of 123 Incremental Bookings Per Day (IBPD).
• Carried a key role in the design and implementation of unified payment form, enabling seamless integration of all payment methods across various Agoda products.
• Set up a Continuous Integration (CI) pipeline, ensuring robust test coverage and reliable end-to-end testing for payment form.
• Drove a user experience (UX) enhancement initiative for payment form.

Web Infrastructure Engineer

• Migrated monorepo that contains more than 250 micro packages from yarn workspace to pnpm. Reduced time needed to install packages from 8.5 minutes to 1.5 minutes.
• Saved bundle size of hotel detail page by around 67KB and improved its LCP (Largest Contentful Paint) score by 13 seconds. Increased performance page score overall from 55 to 82.
• Migrated product components out of web-components mono package. Resulted in saving CI/CD build time by more than 10 minutes.
• Ensured monitoring, dashboard, alerting, and SLO of frontend services function as expected and encouraged product web engineers to follow incident response SOP.
• Assisted product front-end engineers with any problems they would encounter while using our framework.

Tech stacks: React, Next.js, Javascript, Typescript, Go, Terraform, AWS (ECS, X-Ray, Cloudwatch), Datadog.

Mobile/Web Product Engineer

• Integrated Eats Driver app with crash reporting and error monitoring tools.
• Increased crash-free statistics in app to more than 98%.
• Developed Front-end tracking utilities to support product decisions.
• Wrote clean and clear code for various projects, such as in-app updates, waiting for food journey, tray and map improvements.
• Updated old code bases to modern development standards and improved functionality.

Tech stacks: React, React Native, Javascript, Typescript, Kotlin.

• Developed, monitored and provided stabilization support for referral (Sayurfluencer) and affiliate program (Sayurfluencer plus). Key result: acquiring 1K new customers on first month release, with growth 20%.
• One of main contributors in refactoring team. Refactored features, such as: category page, search page, referral, affiliate, loyalty points, PDP, event tracking and optimized list rendering.
• Reviewed code to validate structures, and verify browser, device and operating system compatibility.
• Worked in Agile-driven environment to effectively maintain project timelines and utilize available resources.
• Conducted live coding interviews for SDE level 1 to 3 and interns.
• Mentored interns to be successful in their professional development.

Tech stacks: React, React Native, Javascript, Typescript, GraphQL.

• Completed redesigns of some existing web pages to improve performance and enhance visuals.
• Conceived and built optimized landing pages in HTML and CSS.
• Employed coding practices based on commonly accepted standards to establish site layout and user interface.
• Improved and maintained codebase quality.
• Analyzed system specifications and translated system requirements to task specifications.

Tech stacks: React, Javascript, Go, PostgreSQL.

• Converted mockups into HTML, JavaScript, AJAX and JSON.
• Created responsive website layouts and user interface using HTML and CSS best practices.
• Designed site to be compatible with top browsers, including Firefox, Chrome and Safari.

Tech stacks: HTML, CSS, Javascript, Bootstrap.