SUMMARY:

• Extensive years of experience in all phases of SDLC including design, development, testing, implementation and support using Python and Java technologies.
• Skilled in Python with using new tools and technical developments (libraries used: libraries - Beautiful Soup, Jasy, numpy, Scipy, matplotlib, Pickle, PySide, Pandas dataframe, networkx, urllib2, Pychart, Highcharts) to drive improvements throughout entire SDLC.
• Technical expertise with strong skills in Java / JEE(J2EE) Technologies (Java 1.5, JSP, Servlets, Spring 3.0, Spring MVC, Spring Transaction, Hibernate and JPA) and MySQL on Windows and Unix/Linux OS.
• Good understanding on open source frameworks like Spring 2.5 (core, context, ORM, web modules), Hibernate 3.5, Angular.JS.
• Handy Experience in developing web applications implementing Model View Control architecture using Django, Flask, and spring web application frameworks.
• Expertise in developing the presentation layer components using JSPs, JavaScript, Node.js, XML, CSS and HTML.
• Extensive experience with data modeling along with Oracle MS SQL Server, MySQL & PostgreSQL. writing PL/SQL, trigger, and query optimization.
• Experience in using Database IDE tools like Oracle SQL Developer.
• Experience with Design, code, and debug operations, reporting, data analysis and web applications utilizing Python.
• Very strong experience writing API's/ and Web Services in Python.
• Knowledge in working with continuous deployment using Heroku and Jenkins.
• Enhancement, Support and Implementation of various web, stand-alone, client-server enterprise applications using Python, Django in various domains. Experience in developing web-based applications using Python 2.7/2.6, Django 1.4/1.3, PHP, Flask, Webapp2, Angular.js, VB, C++, XML, CSS, HTML, DHTML, JavaScript and JQuery.
• Worked in Cloud based NMS application which monitors the CPU/Memory parameters of Virtual machines. This application is developed using Angular.js for frontend, RESTful web services, Apache Cassandra for Backend and deployed in Cloud Foundry.
• Experience in database programming using RDBMS like ORACLE and SQL R2/2012 and maintaining the database, including requirement analysis, design, data conversion, loading, testing and implementation.
• Experience on Core java technology which includes Multithreading, JDBC, RMI, network programming.
• Experience in developing web/mobile application using Java, MySQL database and latest web technologies- HTML, HTML5, CSS, Javascript, Jquery, Ajax, Spring framework, Section 508 Compliance, Android and Blackberry.
• Excellent experience in creating Dynamic Wireframes, HTML Wireframes, Dynamic Screenshots and Sitemaps.
• Good experience in working with Amazon Web Services like EC2, Virtual private clouds (VPCs), Storage models (EBS, S3, instance storage), Elastic Load Balancers (ELBs).
• Experience on complete software development life cycle (SDLC) with software development models like JIRA, Agile Scrum Model, Prototype model & RUP, Waterfall model.
• Experience in all phases of software development life cycle (SDLC), which includes User Interaction, Business Analysis/Modeling, Design/Architecture, Development, Implementation, Integration, Documentation, Testing, and Deployment.

TECHNICAL SKILLS:

Cloud Computing Platforms: Configuration Management: Amazon Web Services (AWS), Openstack, Azure Puppet, Chef, Ansible, AWS CloudFormation,AWS CloudFront Linux Versions: Hypervisors: Ubuntu, Red Hat, CentOS VM Ware, KVM, Hyper-V

PaaS: Cloud Foundry, AWS Beanstalk .

Frameworks: Django, TurboGears, web2py, Openstack

Databases: MongoDB, MySQL, SQL Server. PostgreSQL, Oracle

JavaScript Frameworks: Node.js, jQuery, Backbone.js, ExtJS, Ember.js, AngularJS

Hosting: AWS, Rackspace, Linux (Red Hat, Ubuntu, CentOS)

Web Servers: Apache, AWS

Source Control: Github, Bitbucket, CVS, Eclipse, SVN

Deployment: Jenkins

EXPERIENCE:

Confidential, Lake Bluff, IL

Java/Python Developer

Responsibilities:

• Developed the J2EE application based on the Service Oriented Architecture.
• Involved in design and development of UI component, using frameworks Angular.JS, JavaScript, HTML5, CSS and Bootstrap.
• Involved in the development of front end of the application using Python 2.7, HTML5, CSS3, AJAX, JSON and JQuery.
• Created and injected Spring services, Spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.
• Used Spring Inheritance to develop beans from already developed parent beans.
• Implemented Micro Services based Cloud Architecture on AWS Platform and Cloud Foundry.
• Involved in Developing a Restful API'S service using Python Flask framework.
• Used HTML 4 and CSS3 for website development and build on Bootstrap 3.0.Data binding using Angular JS.
• Migrating servers, databases, and applications from on-premise to AWS, Azure and Google Cloud Platform
• Maintained Puppet rspec for testing various unit/system automation schemes.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet
• Created database tables and implemented SQL Stored Procedures, triggers, and complex queries in MYSQL.
• Deployed the project into Jenkins using SVN version control system.
• Part of team implementing REST API's in Python using micro-framework like Flask with SQLAlchemy.
• Developed restful Web-services using Django Rest framework in Python.
• Developed web services using Restful technology to support JSON and XML.
• Implemented RESTful Web Services for the data transportation between multiple systems.
• Design and documentation of RESTful APIs for collection and retrieval of high volume IOT telemetry data.
• Developed remote integration with third party platforms by using RESTful web services.
• Wrote Python code embedded with JSON and XML to produce HTTP GET request, parsing HTML data from websites.
• Wrote Python code to simplify lists in Python with list comprehension and Python OOP. Worked with POSTMAN for API testing. Developed REST APIs, and created User Model for application.
• Managed servers on the Amazon Web Services (AWS) platform instances using Puppet, Chef Configuration management.
• Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto-scaling groups.
• Developed a fully automated continuous integration system using Git, Gerrit, Jenkins, MySQL and custom tools developed in Python and Bash
• Deployment of applications into Cloud infrastructure i.e. Pivotal Cloud Foundry space.
• Used several python libraries like wxPython, numPY, Jython and matPlotLib.
• Support for all other AWS products such as S3, RDS, Elastic Load Balancing, Route53 (DNS).
• Utilized continuous integration and automated deployments with Jenkins, Ansible and Docker.
• Designed Cloud Infrastructure as a Service environment using open source technology OpenStack to enable portability of cloud services across hybrid cloud environments.
• Wrote complex SQL queries using hibernates native SQL.
• Used CSS media queries and bootstrap to support for Responsive development.
• Implemented performance oriented CSS selector, scalable and modular CSS approach for front-end architecture.
• Developed various generic JavaScript functions used for validations.
• Developed views and templates with Python and Django's view controller and template language to create a user-friendly website interface. Worked in Cloud based NMS application which monitors the CPU/Memory parameters of Virtual machines.
• Implementing the existing Spring MVC based application to work with both vSphere and Openstack simultaneously.
• Extensively used various Spring Framework modules like DI (IOC), Bean Wiring, Inheritance, Auto Wiring, JDBC Templates, AOP and Spring Quartz Schedulers for Jobs.
• Extensively used Hibernate Relational mappings (One-To-Many, Many-To-Many) in the secondary project.
• Successfully migrated the Django database from SQLite to MySQL with complete data integrity.
• Reviewed and worked on the implementation of change requests raised by the client.Involved in complete Agile/SDLC - Requirement Analysis, Development, System and Integration Testing.
• Performed different testing methods like unit testing, Integration testing, web application testing and selenium testing.
• Directly worked with Business Analysts and SMEs to gather requirements from the customer and transformed them into functional and technical specifications.
• Build all database mapping classes using Django models.

Python developer

Responsibilities:

• Involved in the development of front end of the application using Python 2.7, HTML5, CSS3, AJAX, JSON and Jquery.
• Analyzed system requirements specifications and also involved client interaction during requirements specifications.
• Dynamic implementation of SQL server work on website using SQL developer tool and Experience with continuous integration and automation using Jenkins.
• Designed and managed API system deployment using fast http server and Amazon AWS architecture.
• Set up Unix server to support a TCP/IP local net of windows XP clients and an Unix server in an office environment
• Designed and managed API system deployment using fast http server and Amazon AWS architecture.
• Developed a fully automated continuous integration system using Git, Gerrit, Jenkins, MySQL and custom tools developed in Python and Bash
• Successfully migrated the Django database from SQLite to MySQL to PostgreSQL with complete data integrity.
• Developed custom directives (elements, Attributes and classes) using angular.js
• Created UI using JavaScript and HTML5/CSS3.
• Developed and tested many features for dashboard using Python, Bootstrap, CSS, JavaScript and JQuery.
• Developed single page applications using Angular.js, Implemented two way data binding using AngularJS.
• Worked extensively with Bootstrap, JavaScript and jQuery to optimize the user experience.
• Used Python and Django to interface with the jQuery UI and manage the storage and deletion of content.
• Designed and implemented Sandra NoSQL database read/write/search function.
• Built development environment with JIRA, Git .
• Installation and setting up Python/Django/MySQL in AWS and EC2 cloud platform
• Developed SOAP based API's and exposed them as SOAP web services via SOAPKit Router, consumed SOAP web services and tested web services using SOAP UI.
• Developed services that are reusable and interoperable, based on SOAP, WSDL, JAXWS, JAX-RPC Web services.
• Build a client to consume SOAP based web service. This client is used to fetch data from remote, WSDL-based web service using SOAP.
• Used SOAP UI to test the web services.
• Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design.
• Implemented code to perform CRUD operations on MongoDB using PyMongo module.
• Implemented responsive vector maps and charts on webpages using the data from MongoDB.
• Implemented automate scripts to back up the old records using MongoDB export command and transfer these backup files into backup machine using ftplib.
• Maintaining multiple copies of data in different database servers using MongoDB Replication concept.
• Successfully migrated the Django database from SQLite to MongoDB with complete data integrity.
• Wrote Python scripts to parse JSON documents and load the data in database.
• Carried out various mathematical operations for calculation purpose using python libraries.
• Built various graphs for business decision making using Python matplotlib library.
• Used Python library Beautiful Soup for web scrapping to extract data for building graphs. modeling Utilize PyUnit, the Python unit test framework, for all Python applications.
• Worked with team of developers on Python applications for RISK management.

Python Developer

Responsibilities:

• Developed UI screens using HTML, CSS, AJAX, JavaScript, and jQuery.
• Automated data movements using python scripts. Involved in splitting, validating and processing of files.
• Written programs to parse excel file and process many user data with data validations.
• Used Thales theorem for applying encryption and decryption of ISO standard message in Python programming.
• Used several python libraries like wxPython, numPY, Jython and matPlotLib.
• Build all database mapping classes using Django models.
• Responsible for debugging and troubleshooting the web application.
• Experienced in WAMP (Windows, Apache, MYSQL, and Python) and LAMP (Linux, Apache, MySQL, and Python) Architecture.
• Worked in MySQL database on simple queries and writing Stored Procedures for normalization and renormalization.
• Build SQL queries for performing various CRUD operations like create, update, read and delete.
• Work closely with the LOB to define requirements and coordinate with different businesses and teams to map the data to the requirements and develop ETL/reports or delegate and coordinate with the offshore team.
• Skilled in using collections in Python for manipulating and looping through different user defined objects.
• Taken part in software development life cycle (SDLC) of the tracking systems Requirements, Gathering, Analysis, Detail Design, Development, System Testing and User Acceptance Testing.
• Created UI using HTML, CSS, JavaScript, AJAX, JSON, and JQuery.
• Worked in agile and waterfall methodologies with high quality deliverables delivered on-time.
• Developed monitoring and notification tools using Python.
• Developed entire frontend and backend modules using Python on Django Web Framework.
• Fine-tuned procedures/SQL queries for maximum efficiency in Oracle 10g, for Rule based optimization.
• Created parallel hints to parallelize operations and indexes for avoiding full table scans and disks sorts, and improved the performance and tuned the oracle queries.
• Creating scripts to Migrate data between different databases like Oracle to Postgres and vice versa using enterprise migration tool kit and Unix scripts.
• Worked on loading data from excel into Oracle Table using external tables.
• Written complex SQL's using joins, sub queries and correlated sub queries in Oracle to generate business reports accordingly.
• Developed tools using Python, XML to automate some of the menial tasks.
• Created Business Logic using Python to create Planning and Tracking functions.
• Used Django for framework for accessing various consumer Data from various sources.
• Designed and managed API system deployment using fast http server and Amazon AWS architecture.
• Used Python based GUI components for the front end functionality such as selection criteria.
• Created test harness to enable comprehensive testing utilizing Python.
• Developed multi-threaded standalone app in Python, C++ to view Circuit parameters and performance.
• Used Python based GUI components for the front end functionality such as selection criteria.

JAVA Developer

Responsibilities:

• Worked as a part of team in developing the UI and other front end programming including layout of web application matching the Autodesk requirements
• Maintaining the coordination of all the project activities and make sure all the phases of the project are properly followed and documented regularly.
• Inputs on layouts were provided after detailed design discussions and user experience sessions.
• Angular JS directives were used to develop custom HTML elements.
• Using JQuery, Angular Java script client side validation techniques were developed.
• Using web technologies like HTML, XHTML, CSS, Responsive Web design and Bootstrap, front end applications, user interactive web pages were designed.
• Non-functional HTML, CSS pages from mock ups were developed and was a part of the UI review UI with business units and UI architects.
• Using JavaScript, HTML, DOM, XHTML, AJAX, CSS and JQuery in ongoing projects GUI was developed..
• Hand-written HTML, CSS, XHTML, JavaScript, JQuery, AJAX, XML and JSON were converted to mock-ups.
• New web components and features were designed and created for improved user experience
• Was a part of complete Software development Lifecycle - Requirement Analysis, Development, System and Integration Testing. cross browser/platform compatibility issues (IE, Firefox, and Safari) on both Windows were handled.
• Using server and client-based State Management options application state was managed.