Pratyusha Balerao

Full Stack Developer with 4+ years of experience in designing and developing scalable applications using Java/J2EE technologies. Skilled in building end-to-end solutions, integrating front-end frameworks like React/Angular with robust back-end systems using Spring and Hibernate.

Budget Management Application, React, D3.js, JWT Authentication, Cypress, Jest, CI/CD Pipelines, Built a responsive web application to manage personal budgets, allowing users to add, edit, and categorize expenses., Integrated JWT-based authentication for secure user access and API communication using Axios., Developed dynamic data visualizations using D3.js for interactive charts and graphs, improving financial insights., Deployed automated testing with Cypress and Jest, achieving a reliable user experience and consistent performance., Streamlined deployments using CI/CD pipelines with Jenkins, ensuring rapid and error-free application updates. IoT Data Management System, AWS IoT Core, Flask, DynamoDB, AWS Lambda, Built a real-time IoT telemetry ingestion system using AWS IoT Core and Flask APIs for secure device communication., Designed a data pipeline to process and store sensor metrics in DynamoDB for low-latency queries., Implemented AWS Lambda functions to analyze incoming data and trigger alerts for anomalies., Developed a web-based dashboard for visualizing IoT metrics, enabling stakeholders to monitor device performance., Automated data archival to S3, reducing storage costs while ensuring historical data availability. Real-Time Chat Application, Django Channels, WebSocket, MongoDB, AWS ECS, CloudWatch, Created a chat application with real-time messaging using Django Channels and WebSocket for instant updates., Stored chat history in MongoDB with efficient indexing for quick retrieval of conversation data., Monitored chat traffic and performance using AWS CloudWatch, identifying and resolving bottlenecks proactively., Deployed scalable containerized services on AWS ECS, ensuring high availability during peak usage., Implemented user authentication and typing indicators, enhancing user experience and engagement. Data Lake for Churn Analysis, AWS Glue, EMR, SageMaker, Redshift, Built an AWS Glue-based ETL pipeline to ingest and clean customer data from multiple sources into an S3 data lake., Processed data using AWS EMR with PySpark for transformations and aggregation., Trained churn prediction models in AWS SageMaker, achieving an 85% accuracy in identifying at-risk customers., Stored analysis results in Redshift and built dashboards using QuickSight for actionable insights., Automated the pipeline using AWS Step Functions, improving operational efficiency by 30%. Social Media Insights Platform, React.js, Spring Boot, Elasticsearch, AWS Kinesis, Developed a social media analytics tool to track user engagement, post trends, and audience growth., Streamed real-time activity logs using AWS Kinesis and stored data in Elasticsearch for full-text search., Built React.js dashboards to visualize trends with filtering and export functionality., Used Spring Boot APIs to enable data retrieval and complex queries., Deployed using AWS Elastic Beanstalk for scalability and monitored usage with CloudWatch. Healthcare Appointment System, React Native, Node.js, DynamoDB, AWS Lambda, Developed a mobile and web platform for booking healthcare appointments with real-time notifications., Implemented secure user authentication with JWT and role-based access for patients and doctors., Leveraged AWS Lambda for backend logic and DynamoDB for managing appointment data., Designed APIs to integrate with third-party calendar systems for scheduling synchronization., Sent SMS reminders using AWS SNS, reducing missed appointments by 15%.

Java, C++, SQL, Swift, Objective C, Shell, Dart, Kotlin, Javascript (ES6+), HTML, CSS, C#, C, PHP, Python, SpringBoot, MongoDB, ASP.NET, Node.js, GIT, Android Studio, Xcode, SwiftUI, React JS, Visual Studio, Linux, Intelli J, Flutter, Eclipse, IoT, CI/CD, React Native, MS Office, MS Excel, MS Word, SDLC Tools - JIRA, Trello, Confluence, Frontend Development, API Integration, Full-Stack Architecture, Containerization