Amarender Reddy Narsimhula
Celina,USA
Summary
14 years of comprehensive experience in software development, system architecture, and application design. Adept at developing robust, scalable, and high-performance solutions across various domains, including enterprise systems, web applications, and distributed architectures. In-depth knowledge of database management systems, cloud technologies, and DevOps practices, with a track record of driving the adoption of modern technologies and improving development processes.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Lead Software Engineer
Kroger Technologies
04.2020 - Current
- Responsible for building service using Spring Boot for non-real time application scenarios and deploying them in Azure.
- Responsible to setup build pipeline and deploy Spring Boot services in Azure across all environments.
- Responsible to setup docker-compose file to spin up multiple containers like Kafka, WireMock, Mongo, SUT and Application service for local E2E testing.
- Implemented pub-sub model to serialize and deserialize AVRO objects using Kafka.
- Using APIGEE configuration and generated proxies service discovery definition, telemetry definition, logging, and security.
- Worked extensively with Lambda expressions and Stream API for Bulk data operations on Collections which would increase the performance of the application.
- Responsible to implement Lombok annotations to generate boilerplate code for POJO objects.
- Worked extensively with Zerocode, WireMock, Jasypt, Octant, Azure Application Insights, Azure Meter Registry, Failsafe, Terraform, MongoDB, Dynatrace for building microservices.
Project Lead
Cardinal Health
01.2019 - 03.2020
- Lead team of developers to implement and deploy microservices in Pivotal Cloud Foundry (PCF).
- Collaborate with architects and external teams to design service architecture and overall sequence designs.
- Developed reusable APIGEE API proxies and microservices using Spring Boot framework consumed by different client-side applications.
- Developed microservices consuming SAP SOH rest services using OData4J framework.
- Maintained tactical control of project budgets and timelines to keep teams on-task and achieve schedule targets.
- Sped up development by 20% creating efficiency and saving resources.
- Resolved number of defects by 70% that resulted in meeting project deadlines.
- Executing the services using JMeter tool to verify the SLA are met (TPS, Response Time, Error rate %).
- Building the code, generating documents, code quality check, APIGEE proxy, creating an image in Docker and deploying in PCF using Concourse through CICD pipeline.
- Performed independent analysis and provided recommendations to overcome project obstacles.
- Met with manager weekly to provide detailed project report and milestone updates.
Sr. Java Developer
AT&T
11.2016 - 01.2019
- Responsible to implement and deploy Alexa integration with DIRECTV set-top box to millions of customers.
- Lead group of developers to define and implement solutions in alignment with AT&T roadmap.
- Involved in design alignments meeting with architects and leadership to make sure services are built as per AT&T standards.
- Design and implement APIs in a microservices architecture using Spring Boot framework to allow users to maximize their experience with AT&T products using voice features.
- Implemented APIGEE proxies for the API designed for Alexa Integration.
- Manage tasks within agile framework and control JIRA workflows to clear sprint tasks.
- Created scripts to run initial load testing on services using JMeter tool to verify the SLA are met.
- Involved in building the pipeline as per AT&T standards and deploying services in Kubernetes using Jenkins.
- Updating previous day task status in daily standup and planning on how to resolve roadblocks if any.
Sr. Java Developer
Infosys Ltd
08.2014 - 10.2016
- Responsible for the Analysis, Design, Implementation, Testing of automation framework application.
- Involved in meetings to gather information and requirements from the clients and preparing the Requirement Document.
- Designed development of presentation layers using HTML, CSS, JavaScript, and jQuery.
- Used JavaScript and jQuery for validating the input given to the user interface.
- Developed various server-side components using J2EE APIs (Servlets, JSP, DAO, Value Objects)
- Created JavaScript functions for client-side validations and created CSS for look and feel of application and involved in back-end validation.
- Developed REST/HTTP APIs for exposing Performance framework applications.
- Used Ajax effectively to create pagination and with client-side events like quick search.
- Developed hibernate criteria API queries for retrieving data from existing tables, inserting data into tables.
- Java Mail is used to send the test reports by e-mail to the users.
- Proposed Design Solutions to automate manual Big Data testing using automation framework.
Sr. Java Developer
CNO IT Services Ltd
03.2013 - 07.2014
- Effectively interacted with team members and business users for requirements gathering.
- Developed business logic for Sample and Plate modules using spring MVC.
- Developed code using JavaScript and jQuery for validating the input given to the user interface.
- Created Ajax calls to exchange (request / responses) information with database.
- Used AJAX framework for asynchronous data transfer between the browser and the server.
- Created Mock-up designs and developed various functionalities with JavaScript and jQuery.
- Jersey implementation of JAX-RS is utilized to develop RESTful service.
- Used Hibernate to access database & stored procedures.
- Involved in Integration testing, System testing and resolving technical issues.
Java Developer
Ocimum Bio Solutions
07.2010 - 02.2013
- Designed and developed business logic for different modules using spring MVC.
- Developed user interface components using JSP, CSS, and Java Script.
- Deployed and tested the application on JBoss application server.
- Performed Unit Testing, actively involved in testing of the application
- Involved in Integration testing, System testing and resolving technical issues.
- Performed deployment, production support.
- Participated in daily, weekly and forth night status meetings.
Education
Bachelor of Computer Science & Engineering -
Jawaharlal Nehru Technological University
Hyderabad, India03-2010
Skills
- Programming & Scripting: Java, J2EE, JavaScript, JQuery, ReactJS, Unix Shell Script,
- Frameworks: Spring Core, MVC, Spring Security, Spring Boot, Wiremock, Kafka, Zerocode
- Web Services: SOAP, RESTful, gRPC
- Build Tools: Maven, Gradle
- Application Servers: Apache Tomcat, JBoss, WebLogic
- Cloud & Infrastructure: Azure (AKS, Function Apps, Databricks) , AWS (SNS, EC2, S3, Dialogflow), PCF, GCP (Dialogflow) Docker, Kubernetes, Terraform,
- Database Management: SQL, SQL Server, DB2, NoSQL (Cosmos DB)
- CI/CD & Version Control: Jenkins, GitHub Actions, Concourse, Git, GitHub, BitBucket
- Monitoring: Azure App Insights, Azure Metrics, Splunk, Datadog, Kibana, Dynatrace, AppDynamics
- API Gateways: APIGEE, Kong, DataPower
Certification
Scaled Agile Framework (SAFe) 4.5 Certified Scrum Practitioner, 62454141-2945
Timeline
Lead Software Engineer
Kroger Technologies
04.2020 - Current
Project Lead
Cardinal Health
01.2019 - 03.2020
Sr. Java Developer
AT&T
11.2016 - 01.2019
Sr. Java Developer
Infosys Ltd
08.2014 - 10.2016
Sr. Java Developer
CNO IT Services Ltd
03.2013 - 07.2014
Java Developer
Ocimum Bio Solutions
07.2010 - 02.2013
Bachelor of Computer Science & Engineering -
Jawaharlal Nehru Technological University