Henry Samuel

About Henry Samuel

As a full-stack developer with a Master of Science in Computer Science, I have a strong background in developing scalable web applications using modern front-end frameworks and implementing efficient RESTful APIs. I have experience in collaborating with distributed teams to transform product requirements into high-quality, feature-rich solutions while ensuring performance and security standards. I have also streamlined deployment workflows and optimized system performance using tools like Docker, Kubernetes, and automated testing frameworks. Additionally, I have participated in project planning, design, and development phases, and implemented new features and enhancements, contributing to the project’s overall success. I am passionate about learning new technologies and applying them to solve real-world problems.

Experience

1. Software Developer

   Walmart

   Aug 2024 — Present · Dallas-Fort Worth, TX, US

   Engineered modular JavaScript services for Walmart’s core retail applications using Node.js and Express.js, increasing systemreliability and supporting seamless scaling during traffic spikes across multiple e-commerce channels. Built RESTful APIs with JWT and OAuth2 authentication in JavaScript, enabling secure integrations with payment providers,logistics, and customer management systems for a frictionless end-to-end shopping experience. Designed dynamic, high-performance UIs using React.js, Redux, and Tailwind CSS, reducing page load times and improvingaccessibility to meet evolving user needs across desktop and mobile environments. Automated CI/CD pipelines for all JavaScript deployments, integrating Docker, Jenkins, and GitHub Actions to enablefrequent, stable releases with minimal downtime or manual intervention. Developed real-time data synchronization features using Apache Kafka and MongoDB, supporting live inventory updates andcustomer notifications for better order accuracy and business visibility. Collaborated with product, UX, and analytics teams in Agile sprints to deliver impactful features, leveraging feedback andanalytics to iteratively enhance customer journeys and platform usability. Integrated performance monitoring with Prometheus and Grafana, identifying bottlenecks in Node.js microservices andproactively optimizing memory usage to support millions of concurrent transactions during major sales events. Led code reviews and JavaScript best practice initiatives, mentoring junior developers and establishing standards thatelevated code quality, improved maintainability, and reduced the number of critical issues found during production releases.

Education

• The University of Texas at Arlington

  Master's degree, Computer Science

• Sathyabama Institute of Science & Technology, Chennai

  Bachelor of Engineering - BE, Computer Engineering

  2018 — 2022

• The University of Texas at Arlington

  Master of Science - MS, Computer Science