Hari Singla
Java Developer at Mount Carmel East Hospital- Claim this Profile
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Bio
Experience
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Mount Carmel East Hospital
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United States
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Medical Practices
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1 - 100 Employee
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Java Developer
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Jul 2020 - Present
Responsibilities: • Developed overall new layout of the web portal. • Involved in all the phases of the portal changes - analysis, design, development, testing and deployment. • Developed User Interface using the HTML, Bootstrap, CSS, JavaScript, and AngularJS. • Used spring framework features like Spring IOC, Spring AOP and Spring Batch. • Spring configuration files are created for dependency injection. • Designed and deployed XML files for Dispatcher Servlets, Application Context and Controllers to implement the Inversion of Control (IOC) module in spring. • Developing micro services in cloud environment. • Developed new user -facing features using React.JS. • used Cloud formation templates (CFT) to find the resources that needed for the formation of cloud formation stacks • Used NOSQL database Amazon dynamo DB to store data of reporting Application. • Used Amazon Cloud Watch to monitor AWS services and Amazon Cloud Watch logs to monitor application. • Implemented Object-relation mapping in the persistence layer using hibernate (ORM) framework. Extensively used DAO patterns, including mapping DAO objects, configure file and classes to interact with database. • Developing Web pages by using HTML5, CSS3 with LESS, Angular JS and Angular UI Bootstrap. • Developed Java API to interact with the Amazon SQS used in sending bulk emails. • Generated JSON format data packets from middle-tire controller to front-end using Jackson JSON API. • Used JSON for data exchange between browser and server. Used JSR353 for processing and manipulating JSON objects. • Modeled JSON data from database and coded request handlers for parsing and sending relevant data to client (browser) side. • Developed web services using JAX-WS to interact with legacy applications (backend processes). • Used ApacheSVN for repository management and Ant for build management. • Updated database scripts to accommodate changes due to UI overhaul (for both Oracle and PostgreSQL). Show less
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Wells Fargo
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United States
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Financial Services
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700 & Above Employee
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Java with AWS Developer
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Apr 2018 - Jul 2020
Responsibilities: • Designed and developed Application using Spring MVC and Spring Templates. • Used various Core Java concepts such as Exception Handling, Collection API's to implement various features and enhancements. • Used Spring Core for concept of Inversion of control (IOC) and implemented using dependency injection. • Used Oracle 11g hosted in Amazon RDS as the Database. • Designing, coding, unit testing, defect fixing, deployments, issues debugging, etc. for multiple modules in CONGO. • Used Hibernate for connecting to the database and mapping the entities by using hibernate annotations. • Designed and developed the framework to consume the web services hosted in Amazon EC2 instances. • Worked with Spring Core, Spring MVC Framework for Dependency Injection (DI), and Spring Context to provide message sources. • Building reusable components and front-end libraries by using React.JS. • Amazon EC2 is also used for deploying and testing the lower environments such as Dev, INT and Test. • Amazon IAM was used to maintain the user credentials and also involved in creating custom IAM policies to various groups defined within the organization. • Object storage service Amazon S3 is used to store and retrieve media files such as images. • Cloud Watch is used to monitor the application and to store the logging information. • Involved in writing Java API for Amazon Lambda to manage some of the AWS services. • Exported SQL data in to Elastic search to allow much faster and scalable user searches from the database. • Developed AngularJS Single Page Application consuming JSON data from Restful services. Show less
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Chase Bank
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1 - 100 Employee
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Java Developer
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Mar 2014 - Apr 2018
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