PROFESSIONAL SUMMARY:

• Over 7+ years of experience in the IT industry with 5 years as Ruby on Rails developer and 2 years as Java programmer.
• Proficient in multiple programming languages like Ruby, Java, R programming, Python, C++.
• Expertise in development of web applications using Ruby, Java, JavaScript, JQuery, HTML, CSS and AJAX.
• Expertise in generating CRUD applications using scaffolding and used gems like Device, Nokogiri, Paperclip, and MongoID.
• Involved in distinct phases of Software Development Life Cycle (waterfall & Agile) methodologies including Business modeling, Requirements gathering, Analysis and design, Implementation, Testing, Deployment and Integration.
• Proficient in using Rails Migrations and Active record, Action Park and Action Mailer.
• Excellent exposure to Version Control Systems like Git (Gitflow), SVN and Elixir .
• Experience in using Python’s packages like numpy, pandas, sklearn, scikit - learn.
• Strong knowledge of Python libraries including scipy, matplotlib and random .
• Experience with relational databases like SQLite, MySQL, PostgreSQL and SQLServer and also with non-relational databases like MongoDB .
• Developed and tested many features for dashboard using Ruby on Rails, Bootstrap, AngularJS, React JS, NodeJS, CSS3 JavaScript, and Rspec .
• Design and implemented intranet applications using Ruby on Rails and PostgreSql on Heroku Cloud Packages and Triggers on databases like MySQL, PostgreSql, and Oracle.
• Strong implementation knowledge of Object Oriented Analysis and Design using Agile and Scrum methodologies.
• Extensive knowledge on Object Oriented methodologies, Design Patterns and Implementation of Data Structures while Programming.
• Good experience working with REST API’s and third-party API’s.
• Strong knowledge on Amazon Web Service(AWS) like EC2, CloudWatch and Azure Cloud.
• Extensively worked in Core Java and object-oriented design with strong understanding of Collections, Multithreading and Exception handling.
• Experienced in development and building web applications using HTML5, CSS3, AJAX, JavaScript.
• Experience working in Windows, Linux and UNIX environments.
• Proficient in the use of debugging tools such as Firebug and Chrome Dev Tools.
• Ability to learn and master modern technologies and to deliver outputs in short deadlines with excellent communication and inter personal skills.

TECHNICAL SKILLS:

Programming Languages: Ruby, Java, Python, R programming, C++, SQL

Web Technologies: JavaScript, JQuery, Ajax, HTML, CSS

Frameworks: Ruby on Rails and Struts with MVC

Test Frameworks: Rspec, Cucumber, Junit and Selenium

Databases: Postgre SQL, SQLlite, MySQL

Version Control tools: Git, Bitbucket, Github, SVN

Operating Systems: Mac OS, Windows, Linux

IDE s: VIM, Eclipse, Xcode, Sublime Text, Notepad++

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco, CA

Ruby on Rails Developer

Responsibilities:

• Worked in the design and development phases of the application using ROR framework.
• Used Rails, AJAX, CSS and AngularJS to design the front end of the application. Back end of the Application is developed mainly using Active Records.
• Developed and tested many features in AGILE environment using Ruby on Rails, HTML5, CSS3, JavaScript, Bootstrap, Rspec.
• Involved in developing and implementation of the web application using Ruby on Rails.
• Designed applications using Object Oriented Programming (OOPS) concepts.
• Used Agile and Scrum methodologies in the project development.
• Used Active Records for Database Migration and involved in using Active Resources, Fixtures, Action View and Action Controller in the Rails Framework.
• Used scaffolding to design and develop the controller and the view part of the system.
• Composed Cucumber and RSpec tests in the application and coded in JavaScript for page usefulness and popup screens.
• Involved in modeling complex database table and relationships.
• Involved in developing and testing many features for the dashboard using Ruby on Rails, JavaScript, CSS, Bootstrap and Rspec.
• Provided validations and scope for many models present in the database and created many associations within those models.
• Experience with all the GEMS and libraries for this version of the ruby on rails.
• Manage, collaborate and coordinate the work of an offshore development team.
• Specific skills in developing user friendly, simple yet effective web based applications.
• Worked in MySQL database on simple queries and writing Stored Procedures for normalization and denormalization.
• Experience in using Git, GitHub and Amazon EC2 and deployment using Heroku.
• Interactive in providing change requests, trouble reports and requirements collection with the Client.

Environment: Ruby 2.1 Rails 4.2, Cucumber, Rspec, Unicorn, HTML5, Heroku, CSS3, SOAP, AJAX, JQuery, JavaScript, RESTful, Angular 1.6, Git.

Confidential, Indianapolis, Indiana

Ruby on Rails Developer

Responsibilities:

• Designing the website using Ruby on Rails, backed by Capistrano and MySQL to automate and ease the deployment process on Phusion Passenger server. ERB Templating, RJS, YAML and Cascading Style Sheets (CSS) to design the web pages.
• Designed and implemented features of a REST API that mediates between product orders placed on partner web sites and internal services which perform fulfillment.
• Implemented the Query part of the reports using Active Records and ran the rake tasks for every weekly report, dumping the SQL data to a CSV file.
• Created a single-page, custom web application using Angular JS as the development framework.
• Using Sinatra Framework, Developed complex APIs for third party integration (JSON File Format) and authentication as specifications.
• Used RSpec to create test driven development. Experience with all the GEMS and libraries for this version of the ruby/rails.
• Refactored puppet manifests to reflect best practices. Wrote Puppet modules for Installing and managing JAVA versions, Upgrading the Linux Kernel and Gathering system metrics via sysstat.
• Investigated production system issues and performed test and production environment deployments.
• Deployed and maintained servers (Red Hat Linux/CentOS) providing clustered key-value caching and text indexing.
• Worked with Amazon Web Services (AWS) as a cloud platform for internal deployment and testing purpose
• Used Test Driven Development approach and wrote many unit and integration test cases.
• Responsible for user validations on client side as well as server side.
• Developing in Rails and JavaScript/JQuery, deploying on AWS and managing code using Git.
• Acted as a point of contact for bug fixes, data fixes and high priority code changes when required.

Environment: Ruby 1.9.3, Rails 4.0, CSS3, MySQL, CentOS, YAML, Chef, Unit Testing, Cucumber, JSON, JQuery, Angular JS 2.0, Capistrano for deployment.

Confidential, Austin, TX

Ruby on Rails Developer

Responsibilities:

• Used ROR on Mac operating system to design the website, backed by PHP and MySQL.
• Maintaining the existing Ruby on Rails reports application and performed enhancements using JQUERY, HTML5 for better look and feel.
• Designed front end of the application using Rails, AJAX, JSON, CSS and jQuery and back end was developed by Active records.
• Developed Capistrano scripts to automate deployment on various environments.
• Test-driven development with Rspec, Capybara, and Jasmine (for JavaScript) and achieving 100% test coverage.
• Use of GitHub repositories, Bundler, GEMS and libraries for this version of ruby/rails.
• Designed webpage layouts using CSS3, HTML5 along with JQuery and adding dynamic functionality to each module.
• Used Dreamweaver, HTML and Adobe Photoshop to position and develop design elements.
• Created database schema for PostgreSQL Database and helped to draw ER-Diagrams using Microsoft Visio.
• Worked with Ajax to make the calls to the service to fetch the needed data.
• Used SCRUM and Agile methodology.
• Designed applications using object oriented concepts.
• Wrote several Ruby scripts to manage internal team project planning, and DevOPs tasks through Trello API, GitHub, and other third-party software.
• Implemented module pattern for faster loading times and easier maintenance.
• Designed and enhanced controller and view part of the system by scaffolding.
• Practiced Test-Driven Development with Rspec and Rspec 2 as well as Behaviour Driven Development with Cucumber and Capybara.
• Parsed JSON and XML data sent by the server.
• Being an active team member, helped in fixing bugs, code reviews.
• Capable of analyzing complex situations and able to provide proactive solutions.

Environment: Ruby on Rails, HTML, CSS, AJAX, JSON, JQuery, Linux, UNIX, MySQL, PostgreSQL, JavaScript, Rspec, Cucumber, GitHub, Capybara.

Confidential, Houston, TX

Ruby on Rails Developer

Responsibilities:

• Worked jointly with User experience experts and Product Management team regarding product definition, scope, schedule and project-related decisions and translated requirements into consumer-facing UI designs.
• Developed and tested some features for dashboard using Ruby on Rails, Bootstrap, CSS3, JavaScript, and Rspec.
• Developing and maintaining enterprise class database driven websites utilizing Oracle 11g, JavaScript and Node Js.
• Developed and maintained View layer of MVC framework using jQuery, HTML, CSS and SASS framework.
• Involved in planning and carried out daily scrums, weekly estimations, retrospectives and pair programming.
• Used RABL and JQuery data tables to handle JSON data and Develop the webpages using HAML, SCSS and Coffee script.
• Used Active Records for Database Migration and involved in using Active Resources, Fixtures, Action View and Action Controller in Rails framework.
• Used Scaffolding to design and develop controller and view part of the system.
• Monitored Ruby on Rails programs and program data to ensure applications are running as expected.
• Extensive experience in developing Ruby Gems like Foreman and scripting using Ruby Core and Ruby Standard Libraries.
• Used Ruby on rails design and develop the website, backed by PHP and MySQL.
• Used RSpec, Factory Girl, Capybara for application unit testing and integration testing with gem mocha.
• Used Jenkins for the Continuous test build automation, like continuous integration and deployment.
• Integrating third party SOAP and REST API's with new and existing web applications.
• Working with Ruby gems such as ruby-pg for Postgres-SQL.
• Integrated with Database using Active Record as a Model.
• Necessary refactoring to code is performed according to the revised design.
• Collaborated and coordinated with the management and design team to implement new features.

Environment: Ruby (2.1), Rails (4.0), Postgres SQL, HTML, HAML, CSS3, NodeJS, Java, JQuery, JavaScript, Oracle 11g, SOAP, REST, Chef.

Confidential, Mountain view, CA

Ruby on Rails Developer

Responsibilities:

• Worked in the design and development phases of the application using Ruby on Rails framework.
• Used Rails, AJAX, JSON, CSS and JQUERY to design the front end of the application.
• Written test cases using Rspec and implemented TDD process.
• User Interface for website with ERB, JQuery, RJS, Ruby, Ajax for View, Controller, Model in Ruby on Rails Framework on Mac OS X Operating System.
• Implemented sorting, auto completion and paginations functionality for entire application.
• Planned and carried out daily scrums, weekly estimations and retrospectives and pair programming.
• Involved in Database Migration using Active Records, also involved in using Action Controller, Active Resources, Fixtures and Action View in Rails.
• Participated in development of a well responsive single page application using AngularJS framework, JavaScript and jQuery in conjunction with HTML5, CSS3 standards, with front-end UI team.
• Manage, collaborate and coordinate the work of an offshore development team.
• Specific skills in developing user friendly, simple yet effective web based applications.
• Developed performance report by following Behavior Driven Development(BDD) and Agile Methodology.
• Develop background jobs with REDIS and RESQUE and Implemented unit testing with Rspec and cucumber.
• Worked in MySQL database on simple queries and writing Stored Procedures for normalization and De-normalization.
• Working on AWS cloud to provision new instances, S3 Storage Services, AWS EC2, Cloud watch services and CI/CD pipeline management through Jenkins.
• Managed services for service and project management using TeamDynamix.
• Created search query based classifications to find data easily, Optimized server performance, accuracy, fail over and scale.
• Actively involved in the process of deployment on cloud based web services like Amazon Web Services (AWS) and Heroku.
• Extensively involved in bug fixing, code refactoring and peer-reviews using Unit Testing, Integration Testing and RSpec.
• Experience in using GitHub and Amazon EC2 and deployment using Heroku.
• Provide validations and scope for many models in the database and created many associations within those models.

Environment: Ruby 1.9.x Rails 3.2, RSpec 2.9, HTML5, CSS3, AJAX, Heroku, AWS, Jquery, JavaScript, MySQL, RESTful, Git and Mac OSX.

Confidential, Herndon, VA

Java Developer

Responsibilities:

• Involved in all phases of SDLC, Requirements gathering, design & Analysis, development, testing, deployment and bug fixing of an application.
• Design and development of modules involving Spring MVC, Web Services, JMS, JSTL.
• Designed Services front end view using Spring MVC and Spring Web flow, implemented business tier using Spring AOP and spring IOC.
• Implemented and used Web Services with the help of WSDL and SOAP.
• Parsed the XML based responses using JAXB Parser and validated XML against the schema generated by the court systems.
• Implemented DAO and Business layer with Hibernate, JMS, Groovy, XML, XSLT, XML schema and J2EE Patterns.
• Used Java Mail API for posting and processing mails.
• Used Spring AOP for logging and exception handling as a part of remediation strategy.
• Wrote JUnit Test cases for several classes which support the application.
• Developed CSS style Sheets and worked heavily.
• Deployed applications in Apache TOMCAT Server and participated in code reviews and also worked along with testing teams.
• Used Maven for building and deploying Application. Used SVN Version Control tool as repository.
• Involved in writing queries and stored procedures for My SQL, Oracle and SQL Server.
• Wrote PL/SQL to extract information from Oracle DB.
• Developed stored procedures, cursors and database Triggers and implemented scrollable Result sets.
• Followed Agile/Scrum Methodology, Conducted and attended Stand up meetings every day in the mornings.

Environment:: Eclipse 3.4, JDK 1.6/1.7, Java, J2EE, Spring, Hibernate, Java Mail, AJAX, Tomcat 6.0.18, BEA Web Logic 12, Groovy, Web Services, log4j, SVN, Oracle 10g, LDAP, My SQL, SQL Server, Agile/Scrum Methodology, Linux, UNIX.