Nov 2023 – Aug 2024 · 9 mos · Hybrid

• Designed and built an authentication application powered by a Login service, with the capability to support 10 million users, with two factor authentication - Supporting Customers, Internal Users.
• Developed GenAI powered chatbot for telecom domain having AWS Lex as user’s intent handler along with AWS Bedrock Anthropic model with RAG, resulting in reduction in live agent calls by 35%.
• Developed Java based GraphQL API on top of existing Restful API’s for optimizing query execution.
• Created standalone Spring Boot app fetching data from Mysql RDS with session management in Redis.
• Implemented a model for generating personalized recommendations based on purchase history of users with help of AWS Personalize and AWS Sagemaker.
• Built adaptors to integrate context aware bot with channels including web, mobile and Whatsapp.
• Technologies/Tools: Java, SpringBoot, Kafka, Microservice, Docker, GraphQL, Python, AWS Lambda, AWS Lex, Langchain, AWS Bedrock and LLM, AWS Personalize, Sagemaker, AWS Connect, AWS Comprehend, AWS Translate, Jenkins, CICD, API Gateway, DynamoDB, MySQL, WebSockets, Kinesis Firehose, Athena

Aug 2021 – Nov 2023 · 2 yrs 3 mos

• Used Java, Spring Boot, AWS Services to develop fully automated real-time data processing and update service, by processing and analyzing the huge input data.
• Worked on a Micro service Architecture by Implementing Messaging Queue and Lambdas to update data to other services within fraction of seconds.
• Built RESTful APIs that served data to the front-end based on dynamically chosen inputs that handled over 500000 users.
• Designed and implemented CICD Pipeline helping migration of Banking applications from legacy Vm's to public AWS containerized Cloud and openshift kubernetes platform
• Got good exposure to Gradle build tool and writing Junit test cases for java application code improving test coverage by 40% leading to fewer defects
• Developed fully Automated Cost Saving Automation for non working hours that resulted in 30% cost saving on AWS resource usage
• Designed and Implemented end to end Patching Automation of running Java based high volume payments application reducing 70% time.
• Created Angular based application to capture infra/application statistics from private and public cloud platforms

Aug 2020 – Aug 2021 · 1 yr

• Got hands on experience in developing Java based Internet Banking Applications.
• Used Spring Framework in building Java Application and got exposure to it's multiple modules, such as WEB MVC, IOC.
• Got good exposure to build tools mainly Gadle and Maven.
• Worked with SonarQube, which helped me maintain code quality, remove bugs and vulnerabilities.