C BHANU PRAKASH

Sr. Java Full Stack Developer

Email-id: ad30ic@r.postjobfree.com

Mobile: +1-616-***-****

LinkedIn: https://www.linkedin.com/in/bhanu-prakash-a54873194/

KEY SKILLS AND OVERVIEW:

I have been working as a Java Full Stack Developer for 10+ years, gaining valuable expertise in handling the complete software development lifecycle of web-based and client-server multi-tier applications. My experience spans across a range of technologies and frameworks commonly used in Full Stack development. I take pride in my ability to deliver scalable and efficient solutions while adhering to best practices and industry standards. I have successfully completed projects for various clients, demonstrating my adaptability and commitment to delivering high-quality software solutions.

I possess strong expertise in Java, J2EE, Spring Frameworks, Servlets. My skill set includes a comprehensive understanding of Java concepts, such as OOPS, Multithreading, Collections, Function al Interfaces, Generics, Synchronization, Exception Handling, HTTP Client, Lambda function, and Stream APIs.

Front-end Development:

By leveraging my expertise in HTML5, CSS4, JavaScript, jQuery, and JSON, I have significantly improved page load times through the implementation of lazy loading and minification techniques. Furthermore, my proficiency in AngularJS, and ReactJS has enabled me to deliver highly interactive and dynamic user interfaces. I have hands-on experience in Angular modules like Angular-animate, Angular-Cookies, Angular-Filter, Angular-Mocks, Angular-Recourse, Angular-Route, Angular-Sanitize, Angular-Touch, and Angular-UI-Bootstrap.

Back-end Development:

I excel in implementing efficient business logic, utilizing JSP, Servlets, JSTL, Struts, AJAX, Spring Framework (including Spring Core Container and Spring Application Context), and hibernate. By optimizing database queries and introducing caching strategies, I achieved a reduction in database response times, resulting in enhanced application performance and scalability. I have also utilized Spring Boot, a powerful module, to streamline application development and facilitate rapid prototyping.

Database Expertise:

I possess extensive experience in Oracle10g, DB2, MySQL, SQL Server, and PostgreSQL, proficiently handling query-based programming, PL/SQL procedure programming, and database programming using JDBC and SQL. Through the creation of mappings, indices, and optimized queries using Elastic search's query DSL, I achieved superior performance and search capabilities. With hands-on experience in both traditional relational databases and NoSQL databases like MongoDB and AWS DynamoDB, I can effectively design and implement scalable and efficient data storage solutions tailored to the specific needs of each project.

Spring Modules:

Utilizing various modules of the Spring framework, such as Spring boot, Spring JDBC Template, JMS Template, and Spring EAI, I have successfully implemented robust data access layers, resulting in reduction in database response time and improved application performance. Additionally, I have applied Spring DI (Dependency Injection) and Spring IOC (Inversion of Control) principles to achieve loose coupling and facilitate easier unit testing, ensuring highly maintainable and modular code. Furthermore, I have utilized Spring Batch to design and develop batch processing workflows, enabling the processing of large volumes of data in scheduled or on-demand Batch jobs. Incorporating Spring Security, I have implemented comprehensive authentication and authorization mechanisms, safeguarding applications against unauthorized access and potential security breaches.

Cloud and Deployment:

My expertise extends to configuring and deploying web applications on JBOSS Application Servers and Apache Tomcat 9. Proficient in administering Oracle WebLogic Server, managing deployment, configuration, and monitoring of Java EE applications. Additionally, I have successfully implemented scalable web applications using AWS Cloud services like EC2, S3, RDS, EBS, IAM, Lambda, and DynamoDB, resulting in reduction of infrastructure costs through optimized resource utilization. By leveraging Kubernetes and Docker, I automated deployment processes, ensuring efficient containerization and orchestration, leading to improvement in application scalability and availability.

SOFT SKILLS:

In addition to my technical expertise, I possess strong communication, problem-solving, and teamwork skills that contribute to seamless project execution. Throughout my career, I have collaborated effectively with cross-functional teams, fostering a collaborative environment that ensures efficient development and delivery of high-quality software solutions. I am adept at understanding client requirements and translating them into actionable plans, enabling successful project outcomes and client satisfaction. Moreover, my proactive approach to problem-solving and adaptability allows me to navigate complex challenges and deliver innovative solutions. As a team player, I actively engage in knowledge sharing and mentorship, contributing to the professional growth of my colleagues and the overall success of the projects I work on. Excellent communication skills, capable of presenting complex technical concepts to both technical and non-technical audiences, ensuring clear understanding and collaboration. Conducted workshops on cloud migration strategies, enhancing team skills and knowledge.

TECHNICAL SKILLS:

Java/J2EE Technologies

Servlets JSP, JSTL, JDBC, JMS, JNDI, RMI, EJB, JFC/Swing, AMT, Applets, Multi-threading, Java Networking, Spring, Hibernate

Programming Languages:

Java, JavaScript, PL/SQL, Python, HTML5, XML, MySQL, C#

Application/Web Servers:

Apache CXF, Tomcat 9, JAXB Oracle/BEA, Jenkins, Cucumber, JBoss, IBM WebSphere 5.1/6.0/6.1/7.0, AutoSys

IDE’s:

Eclipse, Spring Tool Suite (STS), IntelliJ, NetBeans

Web Technologies:

HTML5, CSS4/CSS3/LESS, XHTML, JavaScript, TypeScript, Ajax, jQuery, Angular 14/10/6/4 ReactJS, NodeJS, NextJS, Socket.io, Express.js, JSON, Swagger UI, Bootstrap, WebServices

Aws Skills:

EC2, S3, RDS, EBS, IAM, AMI, CLI, SNS, RDS, VPN, NAT, GIT, DNS, Route53, DBA, Lambda, DynamoDB, Devops

Web Services:

JAX-WS, JAX-RPC, JAX-RS, SOAP, REST, SOAP UI, Microservices

Methodologies:

Agile, Scrum, RUP, TDD, OOAD, SDLC, Waterfall model

Modelling Tools:

UML on Rational Rose 4.0

Message Brokers:

Kafka, RabbitMQ, ActiveMQ, IBMMQ, TIBCO

Spring Tools:

Spring MVC, IOC, AOP, JDBC, JTA, IO, Spring Boot 3.x, Spring Microservices, Spring REST, Spring Security, Spring Data, Spring Batch, Spring WebFlux, Spring Web Services, Spring Eureka, Swagger UI and Spring Zuul

Databases:

Oracle 10g/11G/12C, DB2, SQL Server, MySQL, PostgreSQL, MongoDB, Apache Cassandra, DynamoDB, Liquibase, Topbraid, PLSQL

Big Data Tools:

Hadoop, Spark, MapReduce, HBase, Hive, HDFS, Sqoop, Big Data, Spark

Operating Systems:

Windows XP/VISTA/7/10, Mac-OS

PROFESSIONAL EXPERIENCE:

Client: Apple, San Jose, CA Mar 2021 – present

Role: Sr. Full Stack Developer

Responsibilities:

Followed Agile methodology (SCRUM) for developing this project, with each sprint lasting for 2 weeks.

Involved in analysis, specification, design, implementation, & testing phases of Software Development Life Cycle.

Proficient in system design, with a deep understanding of data structures and algorithms, ensuring efficient and optimized solutions. Designed a custom caching solution for a high-traffic e-commerce platform, improving load times by 50%.

Extensive experience in designing, testing, and maintaining both relational (Azure SQL) and NoSQL databases (Cassandra), ensuring data integrity and accessibility. Led a project to consolidate multiple databases into a single Azure SQL instance, reducing maintenance costs by 20%.

Designed and implemented robust monitoring solutions using Prometheus in Java-based microservices environments, enhancing system reliability and performance insights.

Implemented event-driven architectures with Kafka, facilitating seamless integration and real-time data processing across distributed e-commerce system for Apple.

Experienced in migrating Java applications to Azure Cosmos DB from other databases, ensuring seamless data transition and minimal downtime.

Implemented Java-based XSLT processors to dynamically generate HTML and PDF formats from XML data sources for customer reports, significantly enhancing data presentation and reporting capabilities.

Developed Java applications with a focus on Cosmos DB's multi-homing APIs for transparent multi-region writes and reads, enhancing global distribution.

Experienced in using HTML5 features like semantic markup, local storage, and multimedia integration to enhance user experience and harnessing the power of CSS4, including advanced layout techniques, animations, and styling.

Skilled in Angular 14, leveraging its powerful features such as improved performance through the introduction of differential loading and faster compilation with Ivy renderer.

Proficient in utilizing Angular 14's enhanced accessibility support, optimized bundle sizes, and improved debugging capabilities for building robust and scalable web applications.

Implemented Angular Material in the Apple website design for a consistent and modern UI, ensuring seamless user interaction across all devices.

Managed state and asynchronous data flow in the Apple website with Angular services and RxJS observables, facilitating real-time content updates.

Optimized the Apple website performance by adopting efficient Angular coding practices, lazy loading modules, and customizing change detection.

Managed and migrated large datasets in Cassandra, Cosmos, and BigQuery, demonstrating strong expertise in handling complex data across various storage solutions. Successfully migrated 10TB of data from Cassandra to BigQuery, optimizing data analysis processes by 40%.

Proficient in utilizing Java 11 features such as the standardized HTTP client API and enhanced deprecation for improved performance and code maintainability.

Experienced in leveraging Java 11's nest-based access control and local variable syntax for lambda parameters, promoting cleaner code and enhanced encapsulation.

Integrated Java applications with various database technologies (SQL and NoSQL) and ORM frameworks, leveraging Python for data migration and transformation scripts.

Implemented SPARQL queries within Java environments to interact with RDF stores, enhancing data retrieval and manipulation capabilities using TopBraid.

Design and implement an application using Spring IOC, Spring transactions, Dependency Injection, Spring Annotations, Spring AOP, Spring Container – managed transactions.

Utilized Spring Data JPA's features, such as repository interfaces, automatic query generation, support and Spring Eureka for service registration, load balancing, and fault tolerance.

Used Spring Actuator to monitor application performance, troubleshoot issues, health, and reliability of the system.

Developed batch processing workflows using Spring Batch framework, facilitating the processing of large volumes of data in schedulers and on-demand batch jobs.

Used OAuth2 with Spring Security for Authentication and Authorization of the application to enhance security.

Integrated Spring DAO layer for efficient data access using Hibernate ORM framework.

Utilized RESTful web services to seamlessly exchange data in various formats with external interfaces.

Responsible for designing Hibernate mapping files based on business logic and Object relationships.

Employed Azure services such as Azure Functions, Azure API Management, and Azure Blob Storage for serverless application development and scalable data storage.

Implemented Microservices architecture using Spring Boot & deployed on Azure Kubernetes Service (AKS).

Implemented logging and monitoring using tools like Azure Monitor and Azure Log Analytics.

Microservices will co-exist with a monolithic application built with Spring MVC deployed on Azure App Service.

Worked on the creation of custom Docker container images, tagging, and pushing the images to Azure Container Registry.

Implemented event-driven communication between microservices using Azure Event Grid, ensuring seamless and scalable message handling.

Used Azure Kubernetes Service (AKS) for managing containerized applications, ensuring availability and scalability.

Used Mockito and JUnit for unit testing of the application.

Tested REST APIs in the Spring-Controller at the backend for JSON data using Postman.

Implementing the Microservice architecture with Spring Boot-based services interacting through a combination of REST and Azure Event Grid for messaging.

Leveraged MongoDB, to store and retrieve structured and unstructured data within the microservices architecture.

Involved in day-to-day handling of Azure DevOps issues (production issues at times) that involved data inconsistencies that required to be solved in very less time.

Implemented continuous integration using Azure DevOps and actively contributed to application deployment.

Developed CI/CD system with Azure DevOps on Azure Kubernetes Service (AKS) container environment.

Enabled full-text search using Azure Cognitive Search.

Leveraged Azure SQL Database for data storage and management, designing optimized database schemas, writing complex SQL queries, and ensuring data integrity and performance.

Achievements and Impact:

By leveraging Angular 14's advanced features like differential loading and Ivy renderer, we achieved a reduction in initial load times and faster rendering of UI components. Throughout the project, I have delivered high-performance applications, reducing bug reports through rigorous testing methodologies. My contributions have resulted in application response time improvements by, leading to enhanced user experiences and increased customer engagement.

ENVIRONMENT: Agile/Scrum Methodology, HTML5, CSS4, Angular 14, Bootstrap, RESTful, Java 11, Spring DAO, Spring Data, Spring Batch, Spring IOC, Spring Inheritance, Spring Application Context, Spring Eureka, Spring Boot, Hibernate Template, Microservices, Eclipse IDE, Jenkins, Kafka, Kubernetes, PL/SQL, GIT, Maven, Azure API Management, Azure Blob Storage, Azure Monitor, Azure Log, SQL.

Client: Splunk, San Francisco, CA Jan 2019 – Feb 2021

Role: Senior Software Engineer

Responsibilities:

Implemented Agile methodology (SCRUM) to drive the project development, with bi-weekly sprints.

Designed Prototype and project layout skeletons using Angular 10, REST, CSS3 and HTML5.

Leveraged Angular 10 features such as component-based architecture, data binding, and reactive forms, to deliver engaging and interactive web applications for developing dynamic User Interface.

Implemented RESTful APIs integration with Angular 10, utilizing HttpClient module and observables, to communicate with backend services, retrieve and update data, ensure efficient client-server interactions.

Migrated from Angular 8 to Angular 10 by utilizing features such as Differential Loading, Lazy-loading, Angular Material library and Updated dependencies.

Leveraged IBM FileNet's API for microservices to implement robust document management features, including secure document storage, retrieval, and real-time collaboration.

Implemented Java 8's Lambda Expressions and Stream API to leverage functional programming paradigms for data processing, enabling enhanced performance, code maintainability and readability.

Leveraged Java 8's Date and Time API to enhance date and time manipulation and Method References and CompletableFuture to enhance code readability and handle asynchronous operations.

Developed classes using Java 17 (multithreading, concurrency, memory management) and Spring IOC.

Configured Swagger-UI integration with Eureka server to enable monitoring of service health checks through the Spring Boot admin console for registered microservices.

Implemented the associated business modules integration using Spring and Hibernate data mapping.

Used Spring dependency injection, annotations, Spring Batch, and Spring MVC components to implement business layer and navigation part of application.

Used Spring Boot Actuator to externalize application’s configuration properties for various environments.

Implemented pre-authentication and database security using spring security.

Used Spring Security with LDAP to provide primitives for securing application access.

Defined Hibernate Named Queries for Batch operations while defined Criteria Queries for Microservices.

Micro services have been built using Spring boot, Spring security and deployed to AWS cloud.

Used AWS Core, Spring Cloud AWS Context, and Spring Cloud AWS Messaging.

Used Elasticsearch for implementation of keywords search and querying the large volume of data.

Utilized Logstash for ingesting data from various sources, ensuring seamless integration of different data formats.

Utilized AWS Lambda platform to upload data into AWS S3 buckets and to trigger other Lambda functions (Including EC2, focusing on high-availability, fault tolerance, and auto-scaling.

Utilized Docker to package and distribute application dependencies, facilitating efficient deployment, scalability, and version control while minimizing compatibility issues.

Worked on Drools Rule Engines with corresponding to validate the business User Roles.

Utilized Kafka's high-throughput, low-latency message processing capabilities to enable real-time data streaming and event-driven architectures.

Designed and implemented real-time data processing applications using Java and Big Data technologies, achieving significant improvements in processing speed and data throughput.

Developed and scaled large-scale data pipelines in Java, integrating Apache Kafka and Hadoop for efficient data ingestion, processing, and storage.

Developed Jenkins-based CI/CD system on Kubernetes, leveraging containerization for efficient and scalable deployment pipelines.

Used log4j 2 for logging and GIT for version control.

Developed Unit test cases using JUnit, Mockito and Easy mock.

Developed Maven scripts and builds using Maven and continuous integration servers like Jenkins.

Developed robust NoSQL MongoDB database architectures, ensuring high availability, scalability, and data integrity for mission-critical applications.

Optimized performance and achieved low-latency data access in MongoDB.

Achievements:

Through the migration from Angular 8 to Angular 10 and the utilization of Java 8's Lambda Expressions and Stream API, we achieved a reduction in application response time. Additionally, by leveraging AWS Cloud services and Docker, we achieved a improvement in application scalability. Implementing Jenkins-based CI/CD system on Kubernetes and Docker containerization allowed us to reduce deployment cycles.

ENVIRONMENT: HTML5, CSS3, SASS, AJAX, Angular 8/10, RESTful, UI Framework JavaScript, Java, J2EE, UML, WebLogic, Spring, AWS S3, AWS Lambda, AWS SNS/SQS, AWS SDK, Hibernate 4.x, Web Services, JIRA, JBoss 3.0, IntelliJ IDE, Jenkins, Docker, Kubernetes, Drools, JUnit, Maven, GIT, MongoDB.

Client: LPL Financial, Los Angeles, CA Nov 2016 – Nov 2018

Role: Senior Software Engineer

Responsibilities:

Actively involved in Analysis, Design, Development, Deployment, System Testing and User Acceptance Testing using Agile methodology in the Scrum Cycle model.

Developed UI Layer for the application using HTML5, CSS3, ReactJS and Bootstrap.

Designed and implemented Java-based solutions for real-time financial market data processing, improving the speed and reliability of market insights.

Architected and deployed microservices for financial transactions, resulting in improved system scalability and a 20% reduction in processing times.

Collaborated with finance and business teams to translate financial requirements into technical solutions, ensuring alignment with business goals.

Conducted comprehensive testing and debugging of financial applications, ensuring high reliability and minimal downtime.

Led a large-scale migration of a Java-based application across infrastructures, incorporating significant architectural redesigns to enhance performance and scalability. This involved transitioning a critical financial system to a cloud-based environment, resulting in a 25% improvement in system availability.

Created JavaScript reusable components and services to consume REST API's using Component based architecture provided by ReactJS.

Used ReactJS, leveraging its powerful features like component reusability, virtual DOM, and JSX syntax.

Integrated various ReactJS libraries and frameworks such as React Router, Redux, and Material-UI to implement advanced features like client-side routing, state management, and enhanced UI components.

Worked with Advanced Java 8 features like Lambda for adding functionality processing capability and Stream API to facilitate pipeline processing and method to eliminate elements based on the criteria.

Secured REST API's by implementing OAuth2 token-based authorization scheme using Spring security.

Implemented the application using Spring IOC, Spring MVC Framework, Spring Batch and handled the security using Spring Security.

Utilized Spring annotations for dependency injection (DI), auto-wiring, and Spring MVC to develop RESTful APIs, leveraging the power of Spring Boot for Microservices architecture.

Implementing or exposing the Microservice architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers.

Extensively used Hibernate 4.5 concepts such as inheritance, lazy loading, dirty checking and transactions.

Used Hibernate, Object-relational mapping (ORM) technique for mapping data from MVC model to MySQL Relational data model with an SQL-based schema.

Worked on creation of custom Docker container images, tagging, pushing images, Spring boot integration.

Developed RESTful Web services using Java and Spring framework for transmission of data in JSON format.

Heavily used Lambda function on text object methods Context object properties using Node.js.

Configured AWS Identity Access Management (IAM) Group and users for improved login authentication requirements and efficiently handled periodic exporting of SQL data into Elastic search.

AWS Elastic Beanstalk was used to deploy the applications developed by Spring MVC framework.

Used JIRA for streamlined defect tracking and efficient project management.

Implemented Jenkins CI/CD pipelines for WebSphere applications, enabling automated builds, tests, and deployments for streamlined development processes.

Proficient in Linux operating system environments, leveraging command line tools and scripting to automate tasks, manage servers, and optimize system performance for Java-based applications.

Implemented comprehensive JUnit test cases for Controller, Service, and DAO layers using Mockito.

Developed robust unit tests using Karma and Jasmine, adhering to the rigorous testing patterns.

Performed backend services testing using various systems like REST API services, Swagger and Postman.

Working experience with No SQL DB, Mongo DB for offering commercial support and other services.

ENVIRONMENT: Java, J2EE, Spring MVC, Spring Boot, Spring Rest, Hibernate, Microservices, ReactJS, CSS3, HTML5, JavaScript, REST, GIT, Maven, JIRA, JUnit, Jasmine, Karma, MySQL, MongoDB, AWS Elastic Beanstalk, Identity Access Management, Agile and Scrum methodology, Eclipse IDE.

Client: Bank of America, Hyderabad, India April 2015 – Aug 2016

Role : Software Engineer

Responsibilities:

Actively involved in Analysis, Design, Development, Deployment, System Testing and User Acceptance Testing. Successfully followed Agile methodology in the Scrum Cycle model.

Contributed to the presentation layer using Angular 4, HTML and CSS for specific web pages.

Developing interactive and dynamic web applications using Angular 4 ensuring a smooth user experience.

Integrated Angular libraries and frameworks, including Angular Router and Angular Material, to enhance application functionality with features like client-side routing and visually appealing UI components.

Developed a Java/J2EE based Web Application using the complete Spring suite, including Spring MVC and other Spring modules on Eclipse Integrated Development Environment.

Created business components and integrated them using Spring, utilizing features such as Dependency Injection, auto-wiring for DAO and Service Proxy layers.

Designed and implemented scalable Java-based applications for banking services, enhancing customer experience and operational efficiency.

Developed RESTful APIs for banking applications, facilitating seamless integration with third-party services and mobile applications.

Developed REST API web services using Spring Boot Framework, emphasizing on creating flexible and scalable microservices architectures. Launched a suite of microservices for a banking application, enhancing modular development and deployment processes.

Implemented microservices architecture to modernize legacy banking systems, resulting in a 25% improvement in system performance and scalability.

Implemented robust security protocols for online banking applications, ensuring compliance with industry standards and regulations.

Designed and implemented interactive Kibana dashboards for real-time data monitoring of cusomers.

Implemented Hibernate as the ORM framework and integrated it with Spring using Spring ORM.

Developed Spring MVC controllers for the Account profile feature and created a web service using Spring WS framework, with web service clients injected through the DAO layer.

Configured and fine-tuned server settings, including connection pooling, thread management, and caching, to enhance application scalability and reliability.

Implemented message-queueing for handling asynchronous communication between different microservice’s and 3rd party applications.

Automated build processes and managed project dependencies using Maven build tool.

utilizing log4j powerful logging capabilities, to facilitate effective debugging, error tracking, and log management.

Implemented Hibernate for streamlining object-relational mapping with multiple company databases.

Proficient in administering WebLogic Server, managing deployment, configuration and monitoring of the application.

Used Java Database Connectivity API to access relational databases in parts of the application where Hibernate implementation was not feasible.

Collaborated with other developers using GitHub as a web-based repository for code sharing.

Made extensive use of PL/SQL to access, modify, and update data in the Oracle 11g relational database.

Maintained Oracle 11g through Materialized Object Views, stored procedures, triggers, and functions.

ENVIRONMENT: Angular 4, HTML, CSS3, web services, Spring 4.0, Spring MVC, Spring JDBC, Spring Batch, Spring ORM, Hibernate Web Services, SOAP, REST, XML, log4j, Java 7.0, JMS, MDB, WebLogic application server, Eclipse, Oracle 11g, Maven, Linux, Unix,Windows.

Client: Wipro, Hyderabad, India Jul 2014 – Feb 2015

Role: Junior Software Engineer

Responsibilities:

Created class diagrams and sequence diagrams (UML diagrams) to design client requirements, generating comprehensive APIs for easy understanding of class methods and their functionality.

Designed and developed JSP pages, Servlets, and front-end validations using HTML, CSS, XML, and XSL, ensuring a user-friendly and interactive interface.

Experienced in implementing SOAP-based communication between different applications and systems, ensuring secure and reliable exchange of data.

Implemented JavaScript behavior code to enhance user interactions and improve overall functionality.

Developed modules using the MVC architecture and the Struts framework using Java/J2EE to ensure organized and scalable code structure using Eclipse IDE.

Managed system configuration and maintenance for development, Acceptance Testing, and production environments, ensuring smooth operation and optimal performance.

Configured and deployed the application on JBoss application server, ensuring smooth and efficient deployment.

Conducted thorough testing, debugging, and bug fixing, ensuring high-quality and reliable software, while documenting system processes and functionalities

Integrated MySQL database into the application, designing efficient database schemas and implementing SQL queries to store and retrieve data accurately and securely.

Employed techniques such as indexing, query optimization, and stored procedures to improve performance and maintain data consistency within the MySQL database.

ENVIRONMENT: HTML, CSS, Java, J2EE, JSP, Struts 1.1, MS SQL server, XML, SOAP, Eclipse, EJB, JavaScript, Jboss and Apache Tomcat 4.0.

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