Sam K.

• Worked with a team driving a mission critical image delivery service that streamlined asset management across all Hilton digital platforms. Architected and implemented the solution using GraphQL, React, Next.js, TypeScript, Node.js, and AWS infrastructure, resulting in an 11% reduction in unnecessary service calls and a 4% improvement in site-wide page load speeds, enhancing guest experience and operational efficiency. • Structured communication workflows through Jira, Confluence, and strategic planning sessions, enabling seamless coordination between development, design, and product teams while ensuring consistent delivery against company KPIs. • Managed development lifecycle through ticket prioritization and resource allocation. Regularly performed code reviews and troubleshooting across diverse technologies, including JavaScript, React, Next.js, and GraphQL repositories, which improved code quality metrics by 15% and reduced regression bugs by 12% quarter over quarter.

• Developed unified web and mobile applications using React, Java, Node.js, HTML, CSS, SASS, MUI, Tailwind, AWS, Azure, CI/CD, Git, Typescript, and other technologies. • Managed e-commerce integration using Stripes API, enhancing monetization for web applications. • Applied Agile methodologies in a fast-paced startup environment for efficient project delivery, enhancing team collaboration and continuous improvement. • Integrated GA4 and Mixpanel for advanced analytics, driving data-driven decisions. • Worked on a team developing an internal CMS system using React, Tailwind, HTML, CSS, JavaScript, C#, Klaviyo, AWS, and more which streamlined content management, customer service, and marketing processes. • Assisted in the development and implementation of robust APIs using C#, enabling secure and efficient data storage, retrieval, and manipulation in SQL and NoSQL databases. This infrastructure supported the application’s core functionality for customer data management and facilitated seamless communication with both internal and external services.

• Developed large-scale applications using the MERN stack, contributing to the end-to-end development process. • Implemented best practices for performance optimization, ensuring fast-loading and scalable web applications. • Contributed to the development of custom CMS platforms for recruiting firms, leveraging React, JavaScript, Node.js, Express, MongoDB, Tailwind, HTML, CSS, and CI/CD with Azure. • Enhanced system security and performance by integrating best practices in security and database optimization. Utilized Node.js and Express for back-end development, with MongoDB and SQL for data management. During my tenure, our team reduced load times across our platform by 11%. • Integration of third-party APIs, including payment gateways, client tracking, social media integration, and more to enhance application functionality and user engagement. Utilized React, C#, Node.js, and more to implement seamless API communication. • Assisted in the design and implementation of a GraphQL-based data layer for efficient querying and manipulation of complex datasets.

• Part of an Agile team that developed and maintained a React-based application that processed electronically signed documents from employees and end users using JavaScript, React, Node, Java, HTML, CSS, internal styling libraries, AWS, CI/CD, Git, and more. • Collaborated with a cross-functional agile team to deliver high-quality software solutions, following Agile methodologies and best practices. • Worked as part of a team on an application that provided meaningful data to the development team and facilitated data-driven decision-making using React, Java, HTML, CSS, Node.js, CI/CD, and more. • Actively participated in an Agile environment, including sprint planning, daily stand-ups, and retrospective meetings, fostering team collaboration and iterative development. • Contributed to the development of an internal API gateway that centralized access to microservices, improving system reliability and scalability. Employed Node.js and AWS to architect resilient back-end services.