Sumanth Reddy

Experience

1. Java Full Stack Developer

   Walmart

   Mar 2023 — Present

   Designed and implemented microservices-based architectures using Java, NestJS, Node.js, and GraphQL, deployed in production environments supporting thousands of concurrent users. • Developed reusable, high-performance UI components in Angular, reducing code duplication and improving maintainability across teams. • Integrated MongoDB and Prisma for scalable and efficient data modeling in back-end services, supporting dynamic querying and data consistency. • Created self-contained modules that could be independently developed, tested, and deployed, improving team agility and codebase modularity. • Maintained and refactored existing enterprise services using domain-driven design and test-driven development, improving code coverage by over 30%. • Defined comprehensive test suites for backend and frontend applications using Jest, JUnit, and Cypress, consistently achieving >90% test coverage. • Led efforts in improving observability by introducing OpenTelemetry, structured logging, and performance monitoring, enabling real-time insights into application health and performance. • Ensured that production systems met latency and availability SLAs by developing robust instrumentation and alerting strategies using Grafana and Prometheus. • Proactively identified and closed security vulnerabilities in third-party packages and internal services; introduced automated vulnerability scans in CI/CD pipelines. • Championed secure coding practices, including OWASP top 10 remediation, API authentication using JWT/OAuth, and data sanitization. • Conducted root cause analysis on production outages and high-severity incidents, implemented corrective actions and retrofitted instrumentation for future prevention. • Collaborated closely with IT architects, project managers, business analysts, and cross-functional developers to translate business requirements into actionable development tasks.

Education

• Gandhi Institute of Technology and Management (GITAM)

  Bachelor's degree

  2009 — 2013

• University of Wisconsin-Milwaukee

  Master's degree

  2015 — 2016