• Deployed and managed microservices architecture on AWS ECS, ensuring high availability and scalability for AT&T's cloud-based services, adhering to best practices for cloud infrastructure management.• Designed and implemented microservices using Go and GRPC, increasing system efficiency by 30% through optimized inter-service communication and fault-tolerant network design.• Developed and maintained ETL pipelines using Go (Golang), achieving 100% data accuracy and reliability in data extraction, transformation, and loading (ETL) processes for network and system management.• Integrated the Ondatra framework into workflow automation, reducing network data processing time by 20%, streamlining real-time data collection and analysis for AT&T's telecommunications services.• Built a real-time file-sharing platform using WebRTC and Golang, enabling peer-to-peer communication for secure and efficient data transfer within AT&T’s communication services.• Created a signaling server using WebRTC and Golang for peer discovery, connection management, and real-time communications across AT&T's network services.• Developed and maintained Python automation scripts for daily reporting and task automation, ensuring consistent and reliable execution of routine operations.• Designed and implemented GRPC and RESTful microservices in Go (Golang), providing robust and scalable service-to-service communication for networking applications.

• Developed and managed web applications using Java for backend services and JavaScript frameworks for frontend interfaces, ensuring scalability and performance in healthcare platforms, providing seamless user experiences for patient portals and clinical management systems. • Utilized Unix for development, deployment, and server management tasks in secure healthcare environments.• Contributed to healthcare frontend development using Python 2.7, HTML5, CSS3, AJAX, JSON, and jQuery to create interactive user interfaces for patient dashboards, enabling real-time updates for patient data and treatment plans.• Leveraged Apache Spark with Java for data cleansing and ETL processes in healthcare, ensuring accuracy across patient records and integrating data from multiple healthcare systems into data warehouses for clinical business intelligence.• Built and maintained RESTful APIs using Spring Boot and Java, integrating with healthcare databases and managing backend server configurations using Unix, ensuring secure and efficient operations in compliance with HIPAA regulations.• Processed HL7/XML messages using Kafka and Spark Streaming to capture, process, and update real-time clinical data, enabling real-time patient monitoring and enhanced responsiveness in critical care systems.• Designed and implemented RESTful APIs using Python’s Flask framework for medical services, ensuring quick and efficient API performance in applications like telemedicine platforms.

• Integrated Pion WebRTC to create custom signaling servers in Golang, ensuring seamless peer-to-peer customer communication in real-time customer support systems.• Implemented cryptographic key management to secure encryption and decryption processes in online transactions, ensuring data security for sensitive information such as payment details.• Developed unit and integration tests for GRPC services using mocked services, ensuring the stability of real-time transaction processing layers during high-traffic events like Black Friday.• Applied secure cryptographic hashing algorithms like SHA-256 and encrypt to protect user credentials, enhancing security against brute-force attacks and data breaches in e-commerce accounts.• Improved network testing automation by implementing CAFY, increasing test coverage by 30% and reducing manual efforts during network configuration testing in cloud-hosted e-commerce platforms.• Integrated third-party payment gateway APIs and shipping services into the e-commerce platform, expanding functionality and enhancing the customer checkout experience.• Implemented Single Sign-On (SSO) solutions using SAML and OAuth protocols, providing secure and seamless authentication across multiple customer-facing e-commerce applications.• Optimized MongoDB indexing strategies, reducing API response times by 40%, improving customer experience with faster product searches and recommendations.• Built and containerized microservices using Docker, ensuring consistent runtime environments and smooth deployments across multiple stages, improving the order processing pipeline.

• Designed and implemented the application Authorization Module, ensuring secure access control.• Developed and maintained various modules of the application, including data upload functionality from Excel.• Designed and implemented REST/SOAP services using Spring, JAXB, Axis, Jersey, and JXF, ensuring efficient communication between components.• Spearheaded a successful database migration project, transitioning from Oracle to PostgreSQL for a financial services client, which resulted in a 40% reduction in database licensing costs.• Optimized database queries and indexing strategies in PostgreSQL, improving query performance and reducing execution times by 20%.• Played a key role in migrating critical data from Oracle to PostgreSQL, developing automated scripts to streamline the process.• Implemented code review and development standards, as well as testing practices, to ensure high-quality code across global teams.