Java, Javascript, Python, Kotlin, Spring Core, Spring Boot, Spring MVC, Spring Security, React JS, Hibernate, JPA, JDBC&ORM, React, React Native, Liferay Spring MVC Portlet/JSP, Jet Compose for Android development, MySQL, Oracle, MongoDB, AWS DynamoDB, HTML, CSS, Bootstrap, Javascript, ES6 & DOM Manipulation, Advanced Javascript, AJAX, JQuery, Wordpress, React Hook/Redux, React Native Navigation/Context, Jackson, Material-UI, Swagger, SQL Developer, MYSQL Workbench, Postman, Android Studio, Intellij Idea, VS Code, Git, Bitbucket, Maven, Gradle, NPM, EC2, IAM, S3, RDS, Cloudfront, SQS, SNS, Kinesis, AWS Lambda, AWS IOT Core, AWS Code Pipelines, DynamoDB, API Gateway, Secrets Manager, AWS Sagemaker for Machine learning Pipelines, AWS Polly, Unit Testing and Integration Testing using JUnit and Mockito, HTTP, RESTFUL APIs, XML, JSON, Message Brokers like ActiveMq/IBMMq/Kafka, AWS Kinesis, Redis, SFTP, Apache Camel for EIP, Eureka as Micro services registry and discovery, Feign Client and RestTemplate/Webclient as synchronous communication client, API Gateway Load Balancing at Server side, JMS for asynchronous communication using message brokers, SOLID Principles, Object Oriented Programming, Functional Programming, Aspect Oriented Programming, Distributed Architecture, MVC Architecture, Micro services Architecture, Data Structures and Algorithms, System Design, Micro services, SDLC, Agile and Extreme Programming, Object Oriented Design, AWS cloud Native deployment, Distributed Systems, Design Patterns, Knowledge of CICD pipelines, Kubernetes deployments (Basic), Agentic AI applications using various RAG techniques, LLMs and Langchain, Object detection model training and deployments such as YOLOV8, TensorFlowLite, Neo4J GraphDB, Ollama, Mistral, OpenAI LLM applications, Kotlin, React Native, Object Detection Model App using YoloV8/TensorFlow Lite, Team Management App using personal Chat server via Websocket, Esp32 microcontroller/Arduino programming, Arduino IDE, Motors, Sensors, Actuators