SUMMARY

• Around 7 years of IT experience in Analysis, Design, Development, Implementation and Testing of various stand - alone and client-server architecture-based enterprise application software in Python on various domains.
• Consolidation and refactoring the legacy program modules of the mission-critical external web app that significantly improved code maintainability and decreased deployment time by 85%.
• Good Experience in developing web-based applications using Python 3.x/2.7, Django 1.8.
• Good experience of software development in Python (libraries used: Beautiful Soup, numpy, scipy, matplotlib, python-twitter, Pandas dataframe, network, urllib2, MySQL dB for database connectivity) and IDEs - sublime text, Spyder, pycharm, emacs.
• Experience of software development with Python and various libraries of Python, python-twitter, Pandas, Dataframe, MySQLdb for database connectivity), Regular expression, File IO etc.
• Experienced in Design, Development and support of Datawarehousing solutions for Extraction, Transformation and Loading (ETL) mechanisms.
• Good experience in developing web applications implementing MVT/MVC architecture using Django, Flask and spring web application frameworks.
• Experienced in MVC frameworks like Django.
• Experienced in web applications development using Django/Python, Flask/Python.
• Worked closely with designer, tightly integrating Flash into the CMS with the use of Flashvars stored in the Django models.
• Using Django evolution and manual SQL modifications was able to modify Django models while retaining all data, while site was in production mode.
• Expertise in establishing database connections for Python by configuring packages like MySQL-Python.
• 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 Ops Center v 4.x/5.x on Bare metal and Aws Cloud.
• Developing, design and implementation of the new API endpoints as a part of high-volume external web app, that provided critical connectivity channel for distributed functionality and increase system cohesion keeping manageable code complexity.
• Migration of the existing DEV/QAT/PRD environments to the cloud for the critical external web app that helped to achieve 20% decrease in infrastructure operating costs.
• Have a good experience working with deep learning neural networks. Proficient with Statistics, Data Analytics, Machine Learning using Python.
• Expertise infrastructure from inhouse servers to AWS cloud. Used Docker Container, EC2, IAM, RDS, Route 53, REST API gateway and Lambda of AWS.
• Hands on Experience with the implementation of Python libraries NumPy, SciPy, PyTables, SQL Alchemy, MatPlotLib, Pandas, Beautiful Soup and urllib in various tasks.
• Strong knowledge of Object-Oriented Design and Programming concepts and Experience in Object
• Oriented Programming (OOP) concepts using Python, C++.
• Experienced in Working on Big Data Integration and Analytics based on Hadoop, Spark and No-SQL databases like Hbase and MongoDB.
• Hands on experience in Agile Methodologies, Scrum stories and sprints experience in a Python based environment.
• Expertise with AWS services like S3, ELB, EBS, Auto-Scaling, Route53, Storefront, IAM, CloudWatch, RDS.
• Basic knowledge on Rest API and JSON Parsing, jQuery and Angular JS
• Hands on with git operations, git workflow and branching strategy.
• Ability to write and debug scripting like Shell, Python, Ruby, Perl, JavaScript and Applied servers like Tomcat, WebLogic, WebSphere, JBOSS to deploy code Implementation of JIRA to track all issues.
• Supporting configuration of Jenkins Build pipeline jobs, plugins installation with team for configuration of Maven multi module jobs , free style jobs.
• Experienced in LAMP ( Linux, Apache, MySQL, and Python/PHP) and WAMP (Windows,Apache, MYSQL, and Python/PHP) Architecture.
• Implemented user interface guidelines and standards throughout the development and maintenance of the website using the HTML, CSS, JavaScript and JQuery.
• Having experience in Agile Methodologies, Scrum stories and sprints experience in a Python based environment, along with data analytics, data wrangling and Excel data extracts.
• Experienced in various types of testing such as Unit testing, Integration testing, User acceptance testing, Functional testing.
• Ability to work on own initiative and as a part of team. Willingness to learn new Technologies, openness to new ideas and ability to learn very quickly.

TECHNICAL SKILLS

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

Databases: MySQL, PostgreSQL, Oracle, SQLite, MongoDB

Frameworks: Django, Flask, Tensorflow, Keras

AWS Services: EC2, S3, Auto Scaling, EBS, IAM, AMI, Lambda functions

Libraries: Numpy, Pandas, SciPy, Seaborn, Matplotlib, sklearn, re, PyMongo

PROFESSIONAL EXPERIENCE

Confidential, Tysons, VA

Python Developer

Responsibilities:

• Designed and developed customer preferences portal in Python using Django framework.
• Designed the deployment process migrating applications and its underlying services from on-prem to cloud using ECS/Docker.
• Created custom user with overriding key field and adding more fields other than that provided by the Django out-of-box features.
• Work with VMwareInfrastructure Client in supporting our Windows 2003 & 2008, Linux Enterprise 5 Server environment and RHEL 6.
• Monitor troubleshoot and capacity planning of vSphere environment.
• Migrated VMs across hosts within a HA cluster to perform maintenance tasks on ESXi hosts.
• Used VMwarevMotion to eliminate application downtime from planned server maintenance by migrating running virtual machines between hosts.
• Created network architecture on AWS VPC, subnets, Internet Gateway, Route. Perform S3buckets creation, configured the storage on S3buckets, policies and the IAM role-based policies.
• Designed high availability environment for Application servers and database servers on EC2 by using ELB and Auto-scaling.
• Used Cloud-watch for monitoring AWS cloud resources and the applications that deployed on AWS by creating new alarm, enable notification service
• Customized user registration with two steps (in-active user creation and email activation).
• Designed User Interface to leverage HTML, XHTML, AJAX, CSS and JavaScript.
• Implemented Ajax calls to get, post, delete REST API calls for upload and delete files.
• Implemented web scraping using Python’s Beautiful Soup library.
• Having experienced in Agile Methodologies, Scrum stories and sprints experience in a Python based environment, along with data analytics, data wrangling and Excel data extracts.
• Created multiple Python Scripts for various application level tasks.
• Developed views and templates with Python and Django's view controller and templating language to create a user-friendly website interface.
• Developed and tested many features for dashboard using Django, CSS and JavaScript.
• Worked with Pandas for automatic and explicit data alignment, easy handling of missing data and performed Data framing, Data Analysis, and Data representation
• Used Numpy, Scipy, Matplotlib libraries for n-dimensional representation of data and plotting graphs.
• Achieved business process automation via applications developed using Git, Gerrit, Jenkins, MySQL and custom tools developed in Python and Bash.
• Expert in managing the GIToperations, resolving merge conflicts, created new repos in GitLab to store Dockerimages and branching strategies.
• Managed Build, Reporting, and documentation using Maven.
• Used java multithreading for sharing and replication of data to scale a datastore horizontally and system performance.
• ETL process for continuously bulk importing catalog data from MySQL into Elastic search
• Wrote python scripts to perform CRUD operations on MySQL database.
• Experience in automation via Bash/shell scripting and Python programming in unix.
• Involved in Unit testing and Integration testing of the code using PyTest.
• Involved in Sprint planning sessions and participated in the daily Agile SCRUM meetings. And monitored on JIRA (Agile).

Environment: Python 2.7, Flask, AWS, Django, MySQL, Linux, Django, Eclipse, HTML, XHTML, Git, CSS, Bug zilla, JavaScript, Apache Web Server, MongoDB, Apache spark, Cassandra, MySQL.

Confidential, Atlanta, GA

Python Developer

Responsibilities:

• Designed and developed the User Interface for the project using HTML, CSS, JavaScript and AJAX .
• Developed views and templates with Django's MVT (model, view and template) to create a user-friendly website.
• Worked on MVC architecture using PHP, Python as controller.
• Worked on packages like socket, REST API, Django .
• Experience in using collections in Python for manipulating and looping through different user defined objects.
• Hands on experience on database migration across platforms and/or from other RDBMs technologies
• Helped ops team by writing ansible playbook to automate the updated AMI during the Scale up/down the Instances in Aws .
• Wrote Ansibleplaybooks to launch AWS instances and Ansible to manage web applications, configuration files, used mount points and packages. Deploy and configure GIT repositories with branching, forks, tagging, and notifications .
• Developed parsers for Extracting data from different sources of web services and transforming to store in various formats such as CSV, Database files, HDFS storage, etc. then to perform analysis.
• Parsers written in Python for extracting useful data from the design data base. Used Parsekit (Enigma.io) framework for writing Parsers for ETL extraction.
• Implemented Algorithms for Data Analysis from Cluster of Webservices .
• Worked with lxml to dynamically generate SOAP requests based on the services. Developed custom Hash-Key (HMAC) based algorithm in Python for Web Service authentication.
• Worked with ReportLab PDF library to dynamically generate the PDF documents with Images and data retrieved from various sources of Webservices
• Involved in front end and utilized Bootstrap and Angular.js for page design.
• Created Business Logic using Python to create Planning and Tracking functions.
• All these four micro services are deployed in Mesos cluster in AWS using Jenkins, Marathon, and Chronos.
• Measured the performance metrics of Redis data structure store in standalone configuration and cluster configuration.
• Involved in building database Model, APIs and Views utilizing Python , to build an interactive web-based solution.
• Did extensive work with ETL testing including Data Completeness , Data Transformation & Data Quality for various data feeds coming from source.
• Designed and created backend data access modules using PL/SQL stored procedures.
• Design and implemented custom Bash scripts for controlling the data flow from the PostgreSQL database.
• Wrote REST APIs, as part of developing web-based applications for insurance premium calculations, using Django's REST framework .
• Built the Web API on the top of Django framework to perform REST methods. Used MongoDB and MySQL databases in Web API development. Developed database migrations using SQLAlchemy Migration.
• 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.
• Managed datasets using Panda data frames and MySQL, queried MYSQL database queries from python using Python-MySQL connector and MySQL db package to retrieve information.
• Utilized Python libraries wxPython, numPY, Twisted and matPlotLib.
• Used Django Database API's to access database objects.
• Used GitHub for Python source code version control, Jenkins for automating the build Docker containers, and deploying in Mesos.
• Worked with Level two support team, DBAs and infrastructure team to improve the efficiency and capacity of our system.
• Utilized PyUni t, the Python unit test framework, for all Python applications.
• Creating unit test/regression test framework for working/new code.
• Risk analysis for potential points of failure (database, communication points and file system errors).
• Extensive use of version controlling systems like GIT and SVN .
• Actively worked as a part of team with managers and other staff to meet the goals of the project in the stipulated time.

Environment: Python 3.x, Parsekit (Enigma.io), Django, Flask, lxml, SUDS, HMAC, pandas, Numpy, matplotlib, MongoDB, MySQL, SOAP, REST, PyCharm, Docker, AWS (EC2, S3).

Confidential, Albany, NY

Python Developer

Responsibilities:

• Develop, test, deploy and maintain the application.
• Worked with UI team to maintain and monitor the application using JAVA and Python.
• Developed 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.
• Developed UI screens using Angular JS (Custom Directives, Validation and Promises).
• Developed Angular Controllers, Services, Filters and HTML templates using Angular Directive.
• Rewrite existing Java application in Python module to deliver certain format of data.
• Wrote Python scripts to parse csv files and load the data in database.
• Generated property list for every application dynamically using Python.
• Developed automated testing framework for command-line based tests on Linux using
• Objected Oriented Perl and for selenium-based tests using Python.
• Developed Test Cases using Easy Mock and used POSTMAN to test REST Calls.
• Worked in agile environment and developed CI/CD(Continuous Integration and Continuous Deployment) pipeline through Jira, GitHub, Team City, Pypi, Docker Hub, Supported Amazon AWS S3 and RDS to host static/media files and the database into Amazon Cloud.
• Expert in writing Python modules to extract/load asset data from the MySQL source database.
• Wrote and executed various MySQL database queries from Python-MySQL connector and MySQL database package.
• Using Python/Django, HTML, CSS, Sass, JavaScript, SQL, and PostgreSQL, maintaining and adding software

Environment: Python 2.7, Django 1.8, Celery, MongoDB, MySQL, SOAP, REST, JavaScript, PyCharm, Apache Spark, AWS (EC2, S3, RDS), Google Cloud.

Confidential

Python developer

Responsibilities:

• Involved in building database model, APIs and views utilizing Python,in order to build an interactive web-based solution.
• Used data types like dictionaries, tuples and object -concepts based inheritance features for making complex algorithms of networks.
• Designed and developed the UI of the website using HTML, XHTML, AJAX, CSS and JavaScript.
• Expertise in client scripting languages like JavaScript, JQuery, JSON, DOJO, bootstrap, Angular.js.
• Designed and managed API system deployment using fast http server and Amazon AWS architecture
• Worked on Python Open stack API’s.
• Carried out various mathematical operations for calculation purpose using python libraries.
• Managed large datasets using Panda data frames and MySQL.
• Worked with JSON based REST Web services.
• Performed testing using Django’s Test Module.
• Creating unit test/regression test framework for working/new code.
• Using Subversion version control tool to coordinate team-development.