SUMMARY

• 8 + Years of experience in Analysis, Design, Development, Testing, Customization, Bug fixes, Enhancement, Support and Implementation of various web, stand - alone, client-server enterprise applications using Python, Django in various domains.
• Experienced with full software development life-cycle (SDLC), architecting scalable platforms, object oriented programming (OOPs), database design and agile methodologies.
• Experience in developing web-based applications using Python 2.7/2.6, Django 1.4/1.3.
• Good experience of software development in Python (libraries used: Beautiful Soup, numpy, scipy, matplotlib, python-twitter, Pandas data frame, network, urllib2, MySQL dB for database connectivity) and IDEs - sublime text, Spyder, pycharm, emacs.
• Extensive experience in system analysis, design, development and implementation of web based and client/server application using HTML, Angular JS, Bootstrap, underscore JS, Node JS, CSS, JavaScript, AJAX, JSP, JDBC, XML, XSLT, Python, Django.
• Good experience in developing web applications implementing MVT/MVC architecture using Django, Flask, Webapp2 and spring web application frameworks.
• Good Experience with Django, a high-level Python Web framework.
• Experienced in MVC frameworks like Django, Angular JS, Java Script, JQuery and Node.js.
• Experienced in web applications development using Django/Python, Flask/Python.AndNode.js, Angular.js, DOJO, JQuery while using HTML/CSS/JS for server-side rendered applications.
• Worked closely with designer, tightly integrating Flash into the CMS with the use of Flashvars stored in the Django models. Also created XML with Django to be used by the Flash.
• Good Experience in Linux Bash scripting and following PEP Guidelines in Python.
• Developed consumer based features and applications using Python, Django, HTML, Behavior Driven Development (BDD) and pair based programming.
• Using Django evolution and manual SQL modifications, was able to modify Django models while retaining all data, while site was in production mode.
• Experienced in monitoring, developing and transforming data using SQL Server Integration Service (SSIS) and SQL Server Analysis Service (SSAS).
• Experienced with databases using ORMs/DOMs for integrating with MySQL, Postgres, Neo4J, MongoDB, and Cassandra SQLite. Also, experienced with writing custom queries through database connectors.
• Expertise in establishing database connections for Java and Python by configuring packages like JDBC, MySQL-Python.
• Successfully migrated the Django database from SQLite to MySQL to PostgresSQL with complete data integrity.
• Architecture, size (Capacity planning), Data modeling, implementation and support Cassandra Clusters including install, configure and upgrade DSE v3/4 (Cassandra v 1/2.x) and OpsCenter v 4.x/5.x on Bare metal and Cloud including AWS (Amazon Web Services).
• Configure backup, alerts, repairs and monitoring of Cassandra clusters, in conjunction with Nagios/Opscenter and custom scripts.
• Extensive experience in designing MongoDB multi-sharded cluster and monitoring with MMS.
• Experience with creating script for data modeling and data import and export. Extensive experience in deploying, managing and developing MongoDB clusters.
• Good Knowledge of web services using SOAP and REST protocols.
• Used Node.js as a proxy to interact with Rest services and also interacting with Database.
• Excellent Experience and knowledge in using XML, SOAP, web Service for inter operable software applications.
• Good knowledge of version control software - CVS, GitHub
• Efficient in demonstrating all phases of software development life cycle (requirements, design, architecture, development, testing).
• Experience in working with deployment tools like Microsoft Azure, Heroku and Jenkins.
• Deployed production site using Apache 2.0 with mod python.
• Experienced in Agile Methodologies, Scrum stories and sprints experience in a Python based environment, along with data analytics, data wrangling and Excel data extracts.
• Hands on experience with bug tracking tools JIRA and Bugzilla.
• Skilled in writing and reviewing requirements, architecture documents, test plans, design, documents, quality analysis and audits.
• Skilled in debugging/troubleshooting issues in complex applications.
• Excellent experience with Python development under Linux OS (Debian, Ubuntu, SUSELinux, RedHatLinux, Fedora).
• Experience in Database Administration, development, design, maintenance and production support of relational databases, business applications, new server setup, MySQL Server installation, upgrade, migration.
• Reviewed requirement documents with the business and development team to understand the architecture and functionality of the application and consolidated these requirements in appropriate modules in Test strategy.
• Experienced in Unit testing, Integration testing, User acceptance testing, Functional testing.
• Experienced in Requirement gathering, Use case development, Business Process flow, Business Process Modeling: extensively used UML to develop various use cases, class diagrams and sequence diagrams.

TECHNICAL SKILLS

Primary Languages: Python 3.x,2.7/2.4, C++, Java, Shell Script, Perl, SQL

Python Libraries: Beautiful Soup, numpy, scipy, matplotlib, python-twitter, Pandas data frame, urllib2

Frameworks: Bootstrap, Django, Node.JS, Flask, PyJamas, Pyramid, Hibernate

Database: Sqlite3, MSSQL, MySQL, Mongo DB, Oracle 11g

IDE’s: PyCharm, Eclipse, NetBeans, MS Visual Studio, PyDev, RIDE

Servers: Apache Tomcat, WebSphere, JBoss, WebLogic, XAMPP

Deployment tools: MS Azure, Heroku, Amazon Web Services (EC2, S3, EBS, ELB, SES)

Web Technologies: HTML, CSS, DHTML, XML, Java Script

Operating systems: Windows, Mac, Fedora Linux, Red hat Linux

SDLC Methods: SCRUM, Agile

Cloud Technologies: Openstack, AWS

Bug Tracking Tools: Axosoft, JIRA, Bugzilla, Rational Clear-quest

Version Controls: VSS, SVN, Github, Git

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Sr Python Developer

Responsibilities:

• Implemented user interface guidelines and standards throughout the development and maintenance of the website using the HTML, CSS, JavaScript and JQuery.
• Developed views and templates with Python and Django's view controller and templating language to create a user-friendly website interface.
• Refactor Python/Django modules to deliver certain format of data.
• Managed datasets using Panda data frames and MySQL, queried MYSQL database queries from python using Python-MySQL connector and MySQLdb package to retrieve information.
• Utilized Python libraries wxPython, numPY, Twisted and matPlotLib.
• Wrote Python scripts to parse XML documents and load the data in database.
• Used Wireshark, live http headers, and Fiddler2 debugging proxy to debug the Flash object and help the developer create a functional component. The PHPpage for displaying the data uses AJAX to sort and display the data. The page also outputs data to .csv for viewing in Microsoft Excel.
• Worked on AWS and its services like IAM, VPC, EC2, EBS, RDS, S3, Glacier, Lambda, ELB, Auto Scaling, Elastic Beanstalk, Route 53, CloudFront, CloudWatch, CloudTrail, SQS, and SNS.
• Maintaining EC2 Services like Launching Instances, attaching volumes and snapshots, Configuring security group and Monitoring.
• Parsers written in Python for extracting useful data from the design data base.
• Experienced in cloud automation using AWS CloudFormation templates to create custom sized VPC, Subnets, NAT, EC2 instances, ELB and Security groups.
• Development of PythonAPIs to dump the array structures in the Processor at the failure point for debugging.
• Involved in development of Web Services using SOAP for sending and getting data from the external interface in the XML format.
• Installed, setup, and configured Cisco switches for TCP/IP intra-network and wireless access point across the network for the local area network and Wi-Fi.
• Hardware installation of patch panels and fiber optic connectivity, hubs, cabling of cat5 and RJ45 connectors.
• Setup and configured DHCP on Windows 2003 for external wireless clients and mobile PC kiosks within the hospital.
• Installed and configured Windows XP workstations using standard software configuration and configured TCP/IP and network interface cards.
• Managing internet security and acceleration throughout the network using Microsoft's ISA server.
• Written functional phpunit test cases for DataLayer, and Searchserver classes using Django, Curl, XML, JSON, REST base services, and MongoDB.
• Creating restful web services for Catalog and Pricing with DjangoMVT, Jersey, MySQL, and MongoDB.
• Representation of the system in hierarchy form by defining the components, subcomponents using Python and developed set of library functions over the system based on the user needs.
• Generated graphical reports using python package Numpy and matPlotLib.
• Usage of advance features like pickle/unpickle in python for sharing the information across the applications.
• Used Selenium Library to write fully functioning test automation process that allowed the simulation of submitting different requests from multiple browsers to web application.
• Created Data tables utilizing PyQtto display customer and policy information and add, delete, update customer records.
• Used Python and Django creating graphics, XML processing, data exchange and business logic implementation.
• Used Python based GUI components for the front end functionality such as selection criteria. Administration of dedicated collocated RHEL 4 machine and configured complex Apache configuration files.
• Added support for Amazon AWSS3 and RDS to host static/media files and the database into AmazonCloud.
• Writing Python scripts with CloudFormation templates to automate installation of Autoscaling, EC2, VPC, and other services.
• Developed tools using Python, Shell scripting, XML to automate some of the menial tasks. Interfacing with supervisors, artists, systems administrators and production to ensure production deadlines are met.
• Used third party JQuery based plug-ins like JQueryUI, Datatables etc. Heavily used JavaScript for Form Submit and other UI elements during development.
• Utilize in-depth knowledge of Technical experience in LAMP and other leading-edge products and technology in conjunction with industry and business skills to deliver solutions to customer.
• Representation of the system in hierarchy form by defining the components, subcomponents using Python and developed set of library functions over the system based on the user needs.
• Used REST and SOAPUI for testing webservice for server side changes.

Environment: Python 3.4/2.7, Django 1.7, MongoDB, MySQL, AJAX, SOAP, REST, JQuery, JavaScript, Bootstrap, PyCharm, AWS (EC2, S3, RDS).

Confidential, Sunnyvale, CA

Sr. Python Developer

Responsibilities:

• Created Python and Bash tools to increase efficiency of call center application system and operations; data conversion scripts, AMQP/RabbitMQ, REST, JSON, and CRUD scripts for API Integration.
• Used Celery with RabbitMQ, MySQL, Django, and Flask to create a distributed worker framework.
• Recording of Scripts (Web, Web Services HTML) using Vugen and SoapUI and script validation through co correlations, parameterizations and other methods. Scripting- web and web services.
• Application was based on service oriented architecture and used Python 2.7, Django1.5, JSF 2, Spring 2, Ajax, HTML, CSS for the frontend.
• Experience using AWS such as EC2, S3, Dynamo DB, SNS, SQS, Lambda, VPC, IAM, Route 53, CloudWatch, ELB, Auto Scaling, Glacier, CloudFront, CloudTrail.
• Launching Amazon EC2 Cloud instances using Amazon images (Linux/Ubuntu) and configuring launched instances with respect to specific applications.
• Created server monitoring daemon with Psutil, supported by Django app for analytics which I created. Also researched big data solutions with Cassandradatabase.
• Implemented Elastic Load Balancers (ELB) and Auto Scaling groups in AWS of production EC2 instances to build Fault-Tolerant and Highly available applications.
• Experience with Data migration from Sqlite3 to ApacheCassandra database. Cassandra data model designing, implementation, maintaining and monitoring using DSE, DevCentre, DatastaxOpscenter.
• Build the Silent Circle Management System (SCMC) in Django, Python, and Node.JS while integrating with infrastructure services.
• Created a Python/Django based web application using Python scripting for data processing, MySQL for the database, and HTML/CSS/JQuery and HighCharts for data visualization of the served pages.
• Strong Socket programming experience in Python. Implemented complex networking operations like raceroute, SMTP mail server and web server.
• Used existing Deal Model in Python to inherit and create object data structure for regulatory reporting.
• Used standard Python modules e.g. csv, robotparser, itertools, pickle, jinja2, lxml for development.
• Managed, developed, and designed a dashboard control panel for customers and Administrators using Django, HTML, CSS, JavaScript, Bootstrap, JQuery and RESTAPI calls.
• Automated RabbitMQ cluster installations and configuration using Python/Bash.
• Used PandasAPI to put the data as time series and tabular format for east timestamp data manipulation and retrieval.
• Deployed the project into Heroku using GIT version control system.
• Improved the coding standards, code reuse. Increased performance of the extended applications by making effective use of various design patterns (Front Controller, DAO).
• Worked on a large scale distributed computing environment, monitoring data nodes to prioritize jobs for processing functions.
• Worked extensively with Bootstrap, Javascript, and JQuery to optimize the user experience.
• Used Python and Django to interface with the JQueryUI and manage the storage and deletion of content.
• Carried out various mathematical operations for calculation purpose using pythonlibraries.
• Built various graphs for business decision making using Pythonmatplotlib library.
• Fetched twitter feeds for certain important keyword using python-twitter library.
• Used Python library BeautifulSoup for webscrapping to extract data for building graphs.
• Performed troubleshooting, fixed and deployed many Pythonbug fixes of the two main applications that were a main source of data for both customers and internal customer service team.
• Executing regression tests on each release and verified bugs found from automation test in Bugzilla.
• Planning, implementing, and converting manual test cases to automation test cases.
• Trained extensively in agile methodologies and implemented by participating in scrum standups, Kanban

Environment: Python, Django, Cassandra, RabbitMQ, Vugen, SoapUI, AWS cloud, Node.JS, REST API, Bash, PyDev, Spyder, Agile.

Confidential, Plano TX

Python / AWS Developer

Responsibilities:

• Developed tools using Python, Shell scripting, XML to automate some of the menial tasks. Interfacing with supervisors, artists, systems administrators, and production to ensure production deadlines are met.
• Designed and managed API system deployment using fast HTTP server and Amazon AWS architecture
• Setup database in AWS using RDS and configuring backups for S3 bucket.
• Experience in setting up Elastic Load Balancers (ELB's) and Auto Scaling groups on Production EC2 Instances to build Fault-Tolerant and High Availability applications.
• Developed entire frontend and backend modules using Python on Django Web Framework.
• Used Python and Django creating graphics, XML processing, data exchange and business logic implementation
• Utilized PyUnit, the Python unit test framework, for all Python applications.
• Designed and maintained databases using Python and developed Python-based API (RESTful Web Service) using Flask, SQLAlchemy, and PostgreSQL.
• Creating Python scripts to automate daily networking tasks (Ex. auto config generation, retrieving information from network devices, parsing data, etc.) - including a custom Fortigate firewall config generator (which included multi-threaded functionality to generate configs for multiple firewalls at once).
• Using Amazon EC2 command line interface along with Bash/Python to automate repetitive work.
• Developed GUI using webapp2 for dynamically displaying the test block documentation and other features of python code using a web browser
• Experience in Amazon Web Services (AWS) Cloud services such as EC2, EBS, S3, VPC, Cloud Watch, Elastic Load Balancer.
• Involved in writing SQL queries implementing functions, triggers, cursors, object types, sequences, indexes etc.
• Created Data tables utilizing MySQL utilized Jinja to access data and display it in the front end.
• Used Python based GUI components for the front-end functionality such as selection criteria.
• Implemented navigation rules for the application and page outcomes, written controllers using annotations.
• Used Pandas API to put the data as time series and tabular format for east timestamp data manipulation and retrieval.
• Participated in weekly release meetings with Technology stakeholders to identify and migrate potential risks associated with the releases.
• Involved in designing and developing of Automation Test cases using Selenium WebDriver, Java, TestNG.
• Strong knowledge of all phases of SDLC and Strong working knowledge of Software testing (Functional Testing, Regression Testing, Load Testing).
• Experienced in designing Test Plans and Test Cases, Verifying and Validating Web based applications
• Imported and managed multiple corporate applications into Subversion (SVN).
• Development, Quality Assurance and Management teams to ensure cross communication and confirmed approval of all production changes.
• Connected continuous integration system with GIT version control repository and continually build as the check-in’s come from the developer.
• Performed testing with RSpec, FactoryGirl, Capybara, and Selenium. Performed Continuous

Environment: Python, AWS, EC2, EBS, S3, VPC, PyCharm, Selenium IDE, JQuery, MySQL, HTML, CSS, JavaScript, Ajax, Web Services, Pandas, JSON, Angular.js, Bootstrap, Jinja, Flask, MongoDB, SQL Workbench.