Shashidhar Katkam

Senior Software Engineer at Republic Services

Led development of a cloud-native, AI-enabled waste management platform integrating real-time fleet telemetry, automated trash-dump detection, and advanced data processing to optimize operations. Built scalable React/TypeScript/Node.js web applications and Node.js/TypeScript microservices for telemetry ingestion and metadata processing. Implemented REST APIs with validation, event-driven workflows using AWS Lambda with SQS and EventBridge, and robust data ingestion/transformation pipelines. Added authentication/authorization using JWT and Amazon Cognito, improved performance with Redis caching, and integrated storage/observability using DynamoDB, RDS, S3, CloudWatch, and Splunk. Implemented resilient messaging patterns with Kafka and SQS including retry logic and DLQ. Containerized services with Docker and deployed via Kubernetes; automated CI/CD with GitHub Actions and Terraform and maintained Swagger/OpenAPI documentation. Collaborated in Agile/Scrum, performed code reviews, enforced

Senior Software Engineer at Republic Service

Leading development of a cloud-native, AI-enabled waste management platform integrating real-time fleet telemetry, automated trash-dump detection, and advanced data processing to optimize operational efficiency. Built scalable React/TypeScript/Node.js applications and microservices for high-volume IoT-driven workflows. Implemented type-safe REST APIs, event-driven processing using AWS Lambda, SQS, and EventBridge, and resilient messaging with Kafka/SQS including retry logic and DLQs. Developed authentication/authorization with JWT and Amazon Cognito, performance optimizations using Redis caching, and integrated AWS services (DynamoDB, RDS, S3, CloudWatch). Containerized and orchestrated services with Docker and Kubernetes. Automated CI/CD using GitHub Actions and infrastructure provisioning with Terraform, while providing centralized logging/monitoring and Swagger/OpenAPI documentation. Collaborated in Agile/Scrum, performed code reviews, and mentored junior developers.

Senior Software Engineer at Staples

Led development of a cloud-native E-Commerce & Order Fulfillment platform supporting high-volume retail operations, real-time inventory visibility, and intelligent order routing across distribution centers. Built scalable backend services using Node.js and TypeScript for 200K+ daily transactions. Developed React UI features improving page load performance, and designed REST/GraphQL APIs with caching to reduce response times. Migrated monolith to microservices, containerized with Docker and orchestrated using Kubernetes. Implemented event-driven processing with AWS Lambda, managed API traffic with API Gateway, and designed storage solutions with DynamoDB and RDS. Added Redis caching to reduce database load, built CI/CD with Jenkins, automated infrastructure with Terraform, and improved monitoring with CloudWatch. Optimized frontend assets with Webpack, delivered frequent releases, and mentored developers with architecture reviews.

Full Stack Engineer at Crothall HealthCare

Developed a Cloud-Based Healthcare Facility Operations and Compliance Management platform to automate hospital service workflows including asset tracking, inspection audits, and compliance reporting. Architected cloud-native Node.js/TypeScript microservices and built modular, reusable React UIs. Implemented secure REST and GraphQL APIs for distributed communication. Built event-driven workflows with AWS Lambda and exposed APIs via API Gateway with validation/throttling. Designed high-performance DynamoDB models, decoupled services with SQS/SNS, and implemented authentication/role-based access using Amazon Cognito. Managed reports and documentation in S3. Deployed containerized services with Docker and Kubernetes, automated infrastructure with Terraform, and implemented CI/CD with Jenkins. Added centralized monitoring via CloudWatch and optimized frontend performance using code splitting and Webpack.

Full Stack Developer at Energy Transfer

Worked on an internal Pipeline Operations & Energy Asset Management platform centralizing operational data from multiple pipeline systems and providing real-time dashboards. Built React-based interfaces for data-heavy operational views and developed scalable Node.js/Express backend services. Designed REST APIs for enterprise data integration, implemented asynchronous/event-driven processing for high-volume requests, and optimized performance via indexing and API refactoring. Modeled and queried data in MongoDB, built reusable UI components, and applied token-based security for authentication/authorization. Integrated with internal/external enterprise systems, collaborated with operations analysts, and handled production troubleshooting and defect resolution with QA teams in an Agile environment.