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 Data warehousing 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

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 VMware Infrastructure 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 VMware vMotion 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 S3 buckets creation, configured the storage on S3 buckets, 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 GIT operations, resolving merge conflicts, created new repos in GitLab to store Docker images 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

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 Ansible playbooks 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 Web services .
• 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 Web services
• 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.