Sai Krishna

About Sai Krishna

Software Engineer with 5+ years of experience in developing, testing, and deploying object-oriented and web-based applications using Java/J2EE technologies and Python. Proficient in Servlets, JSP, JSTL, JDBC, multi-threading, MVC, and design patterns, with extensive expertise in frameworks like Spring MVC, Spring Boot, JSF, and Hibernate. Skilled in full-stack web development, utilizing technologies such as HTML, CSS, JavaScript, React, Ajax, JSON, and RESTful services, along with responsive design layouts using Bootstrap. Experienced in Python for scripting, automation, and data processing tasks. Adept in the full software development lifecycle (SDLC), with hands-on experience in Agile methodologies, CI/CD pipelines, and automated deployment tools like Jenkins.

Experience

1. Software Developer

   Optum

   Jan 2023 — Present

   Spearheaded the development of Microservices in an Agile environment using Java, Spring Boot, REST API, Kafka, Python, and Docker, enhancing system scalability and performance.• Implemented Kafka and Python scripts for real-time data streaming, significantly improving the reliability and efficiency of distributed system data processing and communication.• Optimized caching mechanisms with Redis and Python, reducing CI/CD pipeline execution times by 35% by minimizing redundant database queries during report generation.• Redesigned the user interface using ReactJS and Python, improving the visualization of automation reports and real-time bug tracking, thereby elevating user experience.• Automated application containerization using Docker and Python scripts, deploying to AWS via EC2 and S3, ensuring a streamlined, scalable, and reliable infrastructure.• Utilized Kubernetes with Python for container orchestration, reducing deployment times by 30% and enhancing system scalability.• Developed a REST API service in Python, featuring multiple endpoints and an \'auto-tagging\' system that automated feature descriptions, reducing manual input by 40%.• Improved CI/CD web application security and user access management by implementing OAuth and Python-based automation for secure authentication and authorization.• Refactored complex Hibernate code into efficient JDBC queries using Python, resulting in faster query execution and better application responsiveness.• Applied database sharding techniques with Python, improving performance and scalability in high-traffic scenarios, reducing response times.• Integrated Grafana with Python automation for continuous monitoring of CI/CD infrastructure, reducing downtime by 25% and enhancing system health tracking.

Education

• Cleveland State University

  Master of Science - MS

  2022 — 2023