Sai Krishna Reddy

About Sai Krishna Reddy

Experience in Software Development Life Cycle (SDLC) including requirements analysis, design specification, code development, code integration, testing and deployment using Object Oriented Analysis and Design (OOAD) with Java/J2EE.• Expertise in Collections, Threading, Generics, Enumerations, Annotations, and Apache Utility Classes like String Utile solid experience in Object Oriented Programming and Design. • Implemented Java 17/11/8/7 features like Lambda expressions, Streams, filters and fetching documents from the database well versed in building REST API (JAX-RS) based on Spring Boot.• Experienced in developing applications using MVC model, Struts, spring 4/5, Spring Batch, Rest, Spring Security, Spring Web Flow, Hibernate and JPA• Hands on experience on front-end technologies such as HTML5, CSS, JavaScript, Struts tag libraries, AJAX, JSON, XML, XSLT, AngularJS, and Angular, jQuery and Bootstrap frameworks. • Extensive programming experience in developing web-based applications using JSP 1.2/2.0, Servlets 2.4, EJB, Struts1.x/2.x, Spring, Hibernate 3.5/4, JDBC, JavaScript, Angular12, HTML5, JS Libraries and Web Services.• Expertise in DB Design, DB normalization, writing SQL queries & PL/SQL Stored Procedures, Functions, Triggers, Sequences, Indexes and Views.• Extensive experience and implementation skills in Core Java, Servlets, JSP, JDBC, JNDI, Hibernate, Spring Framework, Spring MVC, Spring AOP, Spring Batch, Hibernate ORM, Spring Web Flow, JPA, JSF, JMS, EJB, Bootstrap, Java Mail, Junit.• Experienced in programming, deploying, configuring and fine-tuning middle-tier J2EEApplication Servers like open-source Apache Tomcat 6.x/7.x/8.x, JBOSS, WebLogic and WebSphere.• Expertise in Software development methodologies like Agile Methodology, Test-Driven Development and Waterfall Methodology.• Developed batch job using EJB scheduling and leveraged container managed transactions for highly transactions involved in developing Web Services to send XML request and reading the response SOAP from Java platform.• Expertise in various J2EE design patterns like Singleton, Factory, Abstract Factory, DAO, MVC, Facade & Business Delegate in the development of enterprise applications.

Experience

1. Application Midlevel Developer

   ADP

   Nov 2024 — Present · CA, US

   Developed and maintained scalable front-end components for Wisely by ADP using React.js, improving user experience across digital banking and payroll card interfaces. • Built and optimized backend microservices in Java 17 following Spring Boot and RESTful architecture to enable secure transaction processing and card management. • Integrated microservices with third-party APIs to support features like instant transfers, card activation, and balance checks for Wisely card users. • Participated in design and implementation of event-driven architecture using Kafka, enhancing real-time data flow between services. • Implemented role-based access control (RBAC) and token-based authentication using OAuth2 and JWT for secure user operations. • Collaborated in an Agile environment with product owners and QA teams to deliver bi-weekly releases with improved reliability and performance. • Conducted unit, integration, and contract testing using JUnit 5 and Mockito, achieving over 85% code coverage for backend modules. • Used Docker and Kubernetes for containerizing and orchestrating microservices in a CI/CD pipeline managed through Jenkins.

Education

• University of Central Missouri

  Master's degree

  2022 — 2023

• Vellore Institute of Technology

  Bachelor of Technology - BTech

  2014 — 2018