VISHNUVARDHAN VENKANNAGARI

Contributed to the development and deployment of robust full-stack applications and cloud infrastructure.

• Architected and deployed robust AWS serverless infrastructure using Terraform, establishing VPC, ECS, S3, CloudWatch, and Security Groups to ensure scalable and secure operations.
• Configured Role-Based Access Control (RBAC) with AWS Cognito and automated UI deployment to S3, leveraging CloudFront for efficient static website hosting.
• Engineered and developed scalable microservices with Flask and Connexion backend, utilizing OpenAPI YAML v3 for API definition and deploying via Application Load Balancers (ALB).
• Streamlined development workflows by implementing CI/CD pipelines with Bitbucket, automating AWS Lambda deployments with comprehensive dependency packaging.
• Developed a modular Angular application featuring interactive dashboards, Mapbox GIS integration, and dynamic API-driven workflows.
• Ensured robust security through role-based routing and secure authentication via AWS Cognito and DynamoDB, enhancing user experience with PrimeNG and Highcharts.
• Automated comprehensive cloud cybersecurity measures, including access control, spam filtering, Multi-Factor Authentication (MFA), and RBAC across AWS environments.
• Maintained security compliance through established response flows, robust backup policies, VPN, and WAF, optimizing system health through CloudWatch log debugging and metric-based tuning.

Developed and optimized a file management system, focusing on scalability, performance, and user experience.

• Developed an AI-driven React and Node.js File Management system, collaborating closely with UI/Product teams to enhance user experience.
• Implemented secure user authentication leveraging Azure B2C with Redis for improved performance and reliability.
• Architected scalable data models and implemented a Model-View-Controller (MVC) architecture with PostgreSQL and Azure Blob Storage, ensuring efficient data and file management.
• Achieved over 85% test coverage using Pytest, significantly enhancing system reliability and reducing post-deployment issues.
• Streamlined application performance and implemented robust lifecycle management strategies through cross-functional collaboration with frontend and backend teams, resulting in seamless integration and accelerated response times.

Led full-stack development, optimizing system performance, and implementing scalable cloud-native solutions.

• Led the full-stack development of cloud-native applications using Flask, FastAPI, React, and AWS, ensuring scalable and secure deployments.
• Enhanced system performance monitoring and integrated reusable frontend components with robust REST APIs.
• Engineered high-performance backend services utilizing Redis, Elasticsearch, and RabbitMQ to facilitate efficient, event-driven operations.
• Streamlined code deployment through CI/CD pipelines with GitHub Actions, boosting deployment efficiency by 20%.
• Optimized MySQL to Elasticsearch indexing, improving query performance and scalability by 45%.
• Implemented scheduled cron jobs for night triggers and leveraged Redis Queue for asynchronous task handling, reducing system latency by 30%.
• Integrated multiple payment gateways (Stripe, RazorPay, BharatX) to streamline purchase flows and enhance transaction efficiency.
• Developed and deployed ML-based recommendation systems using the Apriori algorithm, significantly personalizing user experiences.
• Engineered Mux Video streaming solutions with advanced buffering optimization and QoS monitoring, ensuring low-latency media delivery.
• Managed and optimized large datasets in MongoDB and MySQL, enforcing Role-Based Access Control (RBAC) for secure data access.