Sai Krishna Kotha

About Sai Krishna Kotha

Around 8 years of experience in all the technical phases of SDLC such as Requirement Analysis, Design, Development, Testing and Deployment of Web based and Enterprise business applications with emphasis on Object Oriented, Java/J2EE and Client-Server technologies.• Experience in developing the application with Agile, Waterfall and Test-Driven Development.• Experience in UI technologies like HTML5, CSS3, JavaScript, jQuery, Ajax, AngularJS, React and Tag Libraries.• Hands on experience in Java 1.8 features such as Streams, Functional Interfaces and Lambda expressions etc.• Experience in developing Spring Boot based Microservices architecture for interacting through a combination of REST and leveraging AWS to build, test and deploy the identity Microservices.• Good Experience on modules like IOC, DAO, ORM, AOP, MVC, Spring Security, Spring Boot, Spring Data and Spring Batch.• Exposure on PCF and Amazon Web Services (AWS) which includes launching, maintaining and troubleshooting EC2 instances, S3 buckets, Auto Scaling, Dynamo DB, SNS, SQS, AWS IAM, ELB and Relational Database Services.• Proficient in developing J2EE enterprise applications in SOA and Micro Services Architecture.• Experience with distinctive design patterns like Singleton, Factory, Prototype, Session Facade and MVC.• Implemented API’s based on REST and SOAP for enterprise applications using WSDL, UDDI, XML, JAX-WS, JAX-RS, JAXB technologies and Jersey framework.• Good Understanding in databases such as Oracle, MySQL, PostgreSQL, SQL Server, NoSQL, Mongo DB and IBM DB2 databases.• Experience in JMS and asynchronously for enterprise applications using Active MQ and Rabbit MQ.• Proficient with build tools such as Gradle and Maven and IDEs like Eclipse, RAD, Spring Tool Suite, IntelliJ and Application Servers like Apache Tomcat, BEA WebLogic, IBM Web Sphere and JBOSS.• Experience with JUnit, Mockito for test cases.• Involved in issue tracking and agile project management using JIRA, Rally and Pivotal Tracker.• Experience in GitHub, SVN, CVS, BitBucket, Sourcetree, Visual Source Safe and log files using Log4j.• Ability to work effectively in cross-functional team environments.• Experience in preparing hand-over documents for Production support team.• Good understanding of Business workflow, logic for implementation of user requirements in a distributed application environment.• Strong communication and analytical skills with ability to handle the multiple tasks as well as work independently or in a team.

Experience

1. Java Full Stack Developer

   American Express

   Mar 2021 — Present · Phoenix, AZ, US

   American Express provides Financial and payment card services to individuals, businesses and institutions. We developed FDI CECL (Current Expected Credit Losses) project to create Reserves to protect any expected losses that borrowers are not able to repay to financial institution. We integrated CECL process to TM1 API end point to fetch data at aggregate level CM11 account information. We also implemented Disputes B2B APIs where Disputes management is a key servicing touchpoint for Issuers, Acquirers and Merchants. Card Members or Merchants expect quick, efficient and fair Dispute case resolution where responses play a critical part in the Dispute lifecycle.• Worked in Financial Data Insights (Finance) and Global Merchant Network Services Technology (GMNST) line of business for FDI CECL, TM1, RRD, DMX Disputes, Registration and Profile and Disputes B2B APIs applications.• Involve in analysis, specification, design, implementation, testing, release and support phases of SDLC.• Utilize Core Java concepts like Collections, Multithreading, Lambda, Functional Interfaces, Streams and created UI components using React.• Migrate legacy monolithic Spring Web application APIs to B2B One Data functions and eCP to Hydra Cloud.• Develop and maintain Business to Business (B2B) APIs which includes AED, EWP, One Data, APIGEE, NDM (NEMO), GDM, Griffin, EDU, KMS, ONCOP, RTF, eBnC, STARS, OAuth, MYCA and Redis integrations with PostgreSQL as database with our pilot partner Chargeback Gurus then JPMC, BOFA, Apple, Intuit etc.Environment: Java 1.8, JavaScript, React, Spring Boot, Microservices, Vert.x, One Data, RTF (Similar to Kafka), EWP, APIGEE, IBM DB2, PostgreSQL, eCP, Hydra, Hibernate, IOC, MVC, ORM, AOP, Spring Web, JSON, Oracle, SQL, Restful, Jersey, JAX-RS, Swagger, Postman, JMeter, Cucumber, Tableau, Metis 2.0, Themis, XL Release, Dynatrace, Splunk, Kibana ELF, SOA, Vault, Maven, Gradle, Log4J, JUnit, Rally, Jenkins, GIT and IntelliJ.

Education

• ACE Engineering College, Hyderabad

  Bachelor of Technology - BTech

  2011 — 2015

• University of Central Missouri

  Master's degree

  2015 — 2017