SUMMARY:

• Around 9 years of experience as a Web Application Developer and coding with analytical programming using Python, Django , Flask
• Experienced in Python modules such as numpy , matplotlib etc for generating complex graphical data, creation of histograms etc.
• Used Python scripts to update the content in database and manipulate files.
• Experience Object Oriented programming (OOP) concepts using Python, C++ and PHP.
• Experienced in WAMP (Windows, Apache, MYSQL, Python/PHP) and LAMP (Linux, Apache, MySQL, Python/PHP) Architecture.
• Having diverse professional experience in planning, designing, developing, Architecting and implementation in Amazon Web Services Cloud , Python and IT industry.
• Experience with Requests, Pysftp , Gnupg , Reportlab , Numpy, SciPy , Matplotlib, HTTPLib2 , Urllib2 , Beautiful Soup and Pandas python libraries during development lifecycle.
• Strong expertise in development of web - based applications using Python, Django, Flask, Dojo, HTML, XML , Angular.JS , CSS , DHTML , JavaScript , JSON and jQuery .
• Worked on several python packages like Numpy, MatPlotLib, BeautifulSoup, Pickle , PySide, SciPy, wxPython , PyTables etc.
• Sound knowledge in spring , Hibernate , RDBMS , Web, XML, Ant/Maven , HTML , Python, Shell Scripting and bash scripting.
• Experience developing highly interactive web applications utilizing JavaScript, HTML5, CSS, JSON,AngularJS and Bootstrap and integrating Restful API's.
• Wrote and executed various MYSQL database queries from python using Python-MySQL connector and MySQL dB package.
• Proficient knowledge of statistics, mathematics, machine learning, recommendation algorithms and analytics with an excellent understanding of business operations and analytics tools for effective analysis of data.
• Used python scripts to parse XML and JSON reports and load the information in database.
• Involved in development of Python based Web Services using REST for sending and getting data from the external interface in the JSON format and perform analysis using Django, PostgreSQL.
• Created API documentation using Swagger and communicated it with the developers to serve as a POC
• Identified &documented SOAP API using Swagger& involved in testing of APIs using Postman.
• Supported an Agile CI/CD Environment with Devops where we make the Atlassian tools (Jira and Bitbucket) and also provide layer 3 support on these tools if there are any issues
• Developed PySpark code to read data from Hive, group the fields and generate XML files.
• Experienced in developing Object Relation Mappings using Hibernate , JDBC , Spring JDBC and SpringData with RDMS (Oracle, DB2, and MySQL) and NoSQL (redshift, Cassandra) databases.
• Experience in the field of Data warehouse using ETL tools such as Informatica Power Center, Power Mart 9x/8x databases as DB2 , Oracle , MS SQL Server and Teradata .
• Created experimental design for validating correct implementation of RNN and custom TensorFlow optimizers.
• Wrote puppet manifests for deploying, configuring, and managing collected for metric collection and monitoring.
• Strongly followed PEP-8 coding standard and test a program by running it across test cases to ensure validity and effectiveness of code using PyChecker and Pylint .
• Experienced with build tools like Buck, Bit-Bake, Apache Ant, Apache Maven, Boot, Grunt, GNU
• Used Pandas library in Python for statistical analysis.
• Designed and implemented lexer/parser for specification test files in Golang.
• Experienced with machine learning algorithms such as logistic regression, random forest, XPboost, KNN, SVM, neuralnetwork, linearregression, lasso regression and k-means.
• Used Pandas, NumPy, Seaborn, SciPy, Matplotlib, Scikit-learn, and NLTK in Python for developing various machine learning algorithms.
• Worked on different data formats such as JSON, XML and performed machine learning algorithms in Python.
• Designed and implemented machine learning pipeline for credit scoring using well tuned Random Forest and XGBoost classifier model.
• Worked on Natural Language Processing with NLTK module of python for application development for automated customer response.
• Software experience in Python , C/C++ on Linux, Windows, Cross-platform and embedded systems.
• Experience on using Amazon web Services like EC2 , S3 , SQS , RDS and Lambda .
• Experience of using Jenkins and Bamboo tools for continuous integration and continuous deployment.
• Bootstrap and AJAX that follows W3C Web standards successfully managing all facets of application development
• Expertized in Designing, Developing and Maintaining Big Data Solutions to the Supply Chain Management, Transport and E-Commerce Domains
• Experienced with weab servers like Apache Tomcat , Web logic.
• Experience in object-oriented programming (OOP) concepts using Python , Java , C++.
• Experience with Unit testing/ Test driven Development (TDD) , Load Testing.

TECHNICAL SKILLS:

Operating Systems: Linux, Windows 10/8/7/Vista/XP, Mac

Programming Languages: Python 2.X, Python 3.X, C, C++, Java, SQL, PHP,swift

Web technologies: HTML, CSS, XHTML, Java Script, jQuery

Databases: MySQL, Oracle, Microsoft SQL, PostgreSQL, MongoDB

Python Web frameworks: Django, Pyramid, Flask, web2Py

Web Services: SOAP, RESTful

Version Control: Git-Hub, Sub Version

Build Tools: GNU, Apache Ant, Apache Maven

Methodologies: Agile, Scrum, Waterfall

PROFESSIONAL EXPERIENCE:

Sr.Python Developer

Confidential, WI

Responsibilities:

• Developed entire frontend and backend modules using Python on Django Web Framework.
• Implemented different python libraries NumPy, SciPy, PyTables, matplotlib, python-twitter, Pandas dataframe and urllib2
• Participated in all phases of the System Development Life Cycle Analysis (SDLC) and responsible for gathering requirements, system analysis, design, development, testing and deployment.
• Worked very closely with designer, tightly integrating Flash into the CMS with the use of Flashovers stored in the Django models. Also created XML with Django to be used by the Flash.
• Involved in building database Model, APIs and Views using Python, so as to manufacture an intuitive electronicarrangement.
• Used Python based GUI parts for the front-end usefulness, for example, determination criteria, made test saddle to empower exhaustive testing using Python.
• Used Amazon Web Services (AWS) for enhanced productivity of capacity and quick access.
• Designed and managed API system deployment using fast http server and Amazon AWS architecture.
• Developed tools using Python, Shell scripting , XML to automate some of the menial tasks.
• Added support for Amazon AWS S3 and RDS to host static/media files and the database into Amazon Cloud.
• Developed internal auxiliary web apps using Python Flask framework with Angular.js and TwitterBootstrap CSS / HTML framework.
• Worked on messaging solutions like ActiveMQ and worked on unit test plans (UTP), integrated test plans (ITP) and user acceptance testing (UAT) and involved in development of main modules like CSV import, xlsx import, bulk content upload.
• Used jQuery and Ajax calls for transmitting JSON data objects between frontend and controllers.
• Also used jQuery as library to create a Single Page Application (Phases) which can bind data to specific views and synchronize data with server and Worked with JQX widgets functionality.
• Developed tools using Python, Shell scripting, XML to automate some of the menial tasks.
• Used Python based GUI segments for the front-end usefulness, for example, choice criteria, Created test outfit to empower exhaustive testing using Python.
• Analyzed large data sets apply machinelearning techniques and develop predictive models, statistical models and developing and enhancing statistical models by leveraging best-in-class modeling techniques.
• Used Django configuration to manage URLs and application parameters.
• Utilized PyQt to provide GUI for the user to create, modify and view reports based on client data.
• Created PyUnit test scripts and used for unit testing.
• Presented about Natural Language Processing concepts like tokenizing, tagging, lemmatization, sentiment analysis etc. using NLTK package.
• Used NLTK and Stanford NLP to process text data and created offline intelligence.
• Worked with JSON based REST Web services.
• Developed Merge jobs in Python to extract and load data into MySQL database.
• Used Couchbase Python SDK to build applications that use Couchbase Server.
• Stored the data in the form of JSON structure-based documents, stored in a collection using MongoDB.
• Worked on creating the Docker containers and Docker consoles for managing the application life cycle.
• Setup Docker on Linux and configured Jenkins to run under Docker host.
• Development of Python APIs to dump the array structures in the Processor at the failure point for debugging.
• Wrote Ansible playbooks with Python SSH as a wrapper to manage configurations and the test playbooks on AWS instances using Python
• Used IDQ to profile the project source data, define or confirm the definition of the metadata, cleanse and accuracy check the project data, check for duplicate or redundant records, and provide information on how to proceed with ETL processes.
• Designed ETL processes and develop source-to-target data mappings, integration workflows and load processes.
• Assisted increating automated test scripts for testing Web API using SOAP UI & Postmanto check if the API's are returning the data in JSON, XML format, and documented APIsusing Swagger Tool.
• Used python to process the batch files and also scheduling the batch process.
• Performed troubleshooting, fixed and deployed many Python bug fixes of the two main applications that were a main source of data for both customers and internal customer service team.
• Creating RESTful web services for Catalog and Pricing with Django MVT , MySQL , and MongoDB .
• Fixed bugs, providing production support, enhanced applications by improving code reuse and performance by making effective use of various design patterns.
• Collaborated within a team using an agile development workflow and widely-accepted collaboration practices using Git.
• Developed a fully automated continuous integration system using Git , Jenkins , MySQL and custom tools developed in Python and Bash.

Sr. Full Stack Python Developer

Confidential, Kansas

• Worked with various Python Integrated Development Environments like Spyder, PyCharm, NetBeans and Sublime.
• Designed front end using UI, HTML, Bootstrap, CSS/CSS3 and JavaScript with server-side technologies including databases for development of Web applications.
• Extensively used JavaScript MVC Framework AngularJS to make rich internet web application for a Single page application.
• Worked with the Linux/Unix admin team to set up, configure, initialize and troubleshoot a Cassandra cluster.
• Experienced with various Python Integrated Development Environments like Spyder, PyCharm, NetBeans and Sublime.
• Developed entire frontend and backend modules using Python on Django using Git and GitHub.
• Developed server-based web traffic statistical analysis tool using Flask, Pandas and tested it in interaction with MySQL.
• Experience in designing User Interface applications and integration of highly transactional and scalable applications using HTML5, DHTML, XHTML, Bootstrap, CSS3, jQuery, AJAX, JSON and XML.
• Developing applications using RESTFUL architecture using Node.js and PHP as backend languages.
• Write unit test cases individually and in suits with Pytest and PyUnit on SOAP messages stored by creating SOAP services.
• Experience in project deployment using Heroku/Jenkins and using web services like Amazon Web Services (AWS) EC2, AWSS3, Auto scaling, CloudWatch and SNS.
• Wrote Stored Procedures for normalization and Learned to search large number of documents inside Elasticsearch.
• Created functions in AWSLambda to run python scripts and AWS Lambda using java to perform event driven processing.
• Developed Test Cases and Test Scripts in selenium web driver with Java using Cucumber framework with build management tool Maven.
• Used Python and Django creating graphics, XML processing, data exchange and business logic implementation.
• Experience in implementing core cache and abstraction with Jasmine and Redis cache server.
• Accessed public datasets and use TensorFlow and SQLAlchemy to load, process, clean, and transform data.
• Extensively worked on JSF Framework integrated with EJB 3.0 as well as Hibernate 4.
• Dealing with multiple terabytes of mobile ad data stored in AWS using ElasticMapReduce and Redshift PostgreSQL.
• Golang Java were used as a backend REST service and SOAP service while AngularJS was used for the user interface.
• Modify existing codes and developed PL/SQL packages to perform Certain Specialized functions/ enhancement on Oracle application. Used log4j for logging automated steps and script errors.
• Expertized in implementing Spark using Scala for faster testing and processing of data responsible to manage data from different sources. Installed Red Hat based Linux systems and familiar with specific configuration component of RedHat.
• Analyzed the SQL scripts and designed solutions to implement using PySpark.
• Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build and test deploy.
• Developed Spark Streaming script to consume topics from distributed messaging source Kafka for real-time processing.
• Worked with the migration of existing code repository from ClearCase multisite to TFS and used Eclipse to connect to central CVS repository and SVN repository servers.
• Implemented Bottle, Pyramid and Cherrypie framework with REST API and MongoDB as back end database.
• Involved in writing application level code to interact with Web API's, web services using JSON.
• Responsible for CI/CD process implementation using Jenkins along with Shell scripts to automate routine jobs.
• Worked on MongoDB database concepts such as locking, transactions, indexes, replication and schema design.
• Experience in installing software's using pip command for python libraries like Beautiful Soup, NumPy, SciPy, python-twitter, Celery, matplotlib, Urllib2 and used PEP8 coding convention.
• Created custom columns while ingesting data into Hadoop lake using PyTable, PySpark, PyMongo, Pickle and PySide.

Environment: Python 3.1x, Django 1.4, Java, Angular.js, Bootstrap, Bash, Django ORM, PyQt, XML, Shell Scripting, MySQL, HTML, XHTML, CSS, AJAX, JavaScript, Jenkins, Apache Web Server, Linux..

Sr. Python Developer

Confidential, CA

Responsibilities:

• Implemented different python libraries NumPy, SciPy, PyTables, matplotlib, python-twitter, Pandas dataframe and urllib2 in various tasks.
• Responsible for analyzing various cross-functional, multi-platform applications systems enforcing Python best practices and provide guidance in making long term architectural design decisions.
• Coded model level validation using Python programming with emphasis in web security.
• Handled Business logics by backend Python programming to achieve optimal results.
• Implemented jQuery to improve the overall usability of the website interface and AJAX functionality to speed up web application.
• Developed views and templates in Django to create a user-friendly website interface.
• Constructed RESTful API's using PHP and MySQL/PostgreSQL .
• Configured Django to manage URLs and application parameters.
• Extensively used Python / Django Framework for developing backend of web applications.
• Used Django APIs for database access.
• Developed reusable components using react.js and redux for maintaining the state and actions of the functions.
• Participate in discussions with business users for requirements related doubts. Provide application maintenance and enhancement support for legacy system.
• Utilised Futures and Spring Framework to make Asynchronous calls to the application.
• Developed web services using Restful technology to support JSON and XML .
• Create EC2 instances and maintaining applications on EC2 instances.Setup and attached EBS volumes to EC2 instances.
• Created new connections through applications for better access to MySQL database and involved in writing SQL & PLSQL - Stored procedures, functions, sequences, triggers, cursors, object types etc.
• Expertise in Spring Security both client and ServerSide.
• Developed user interface using JSP jQuery, and AJAX to speed the application.
• Expertise in working with AWS provided Solutions like EC2 and ELB which includes Creating EC2 instances, adding EBS volumes for EC2 and familiar with VPC, Route 53, RDS, S3, IAM, SNS, SES, Auto scaling, Elastic Beanstalk, Cloud formation and Cloud Watch.
• Changing directories and executing a batch file in python in windows.
• Designed RabbitMQ/MongoDB pipeline for routing/storing of email bounce handling records.
• Worked on resulting reports of the application and Tableau reports.
• Implemented AJAX to update necessary section of webpages and hence, avoiding the need for reloading the entire web page.
• Extensively used ETL for testing and supporting data extraction, transformations and loading processing in a corporate-wide-ETL Solution using Informatica.
• Designed and tested UNIX shell scripts as part of the ETL testing process to automate the process of loading, pulling the data for testing ETL loads.
• Created batch file that runs Manage Map Server Cache Tiles and other caching tools, then scheduling that script to run on nights or weekends when it would be least disruptive to users of the Web map.
• Implemented the Project structure based on Spring MVC pattern using spring boot.
• Developed and tested many features in an agile environment using Python, Django, HTML5 , CSS , JavaScript , and Bootstrap .
• Creating and configuring virtual development environments with Chef and Virtual Box.
• Designed and maintained databases using Python and developed Python-based API (RESTful Web Service) using Flask, SQLAlchemy and PostgreSQL .
• Created PyUnit test cases for unit testing. Development of test framework using the Python. Managed code with unit tests and GitHub .
• Developed Capistrano scripts to automate deployment on various environments.
• Used GIT as Source control repositories with regular code reviews and pull/merge requests.

Environment: Python 2.7/3.0, Django, XML, Hadoop, pig, hive, PySpark, AWS, ETL, HDFS, HBase, mongoDB, Agile, SCRUM, PyUnit, Apache, CSS, MySQL, DHTML, HTML, JavaScript, AngularJS, Shell Scripts, Git, Linux, Unix and Windows.

Python Developer

Confidential, IOWA

Responsibilities:

• Responsible for analyzing various cross-functional, multi-platform applications systems enforcing Python best practices and provide guidance in making long term architectural design decisions.
• Developed web applications in Django Framework's model view control (MVC) architecture.
• Exposure on Multi-Threading factory to distribute learning process back-testing and into various worker processes.
• Performed efficient delivery of code based on principles of Test Driven Development (TDD) and continuous integration to keep in line with Agile Software Methodology principles.
• Different testing methodologies like unit testing, Integration testing , web application testing .
• Python/Django based web application, PostgreSql DB , andintegrations with 3rd party email, messaging, storage services.
• Developed a fully automated continuous integration system using Git, Jenkins , MySQL and custom tools developed in Python and Bash.
• Developed custom screens using HTML5, JavaScript, JQuery, Bootstrap and Angular .
• Develop REST API and integrated with cloud products like AWS REST API gateway and AWS lambda .
• Used Django Database API's to access database objects.
• Wrote python scripts to parse XML documents and load the data in database.
• Handled all the client-side validation using JavaScript.
• Used Python and Django to interface with the JQuery UI and manage the storage and deletion of content.
• Used Selenium Library to write fully functioning test automation process that allowed the simulation of submitting different requests from multiple browsers to web application.
• Designed and managed API system deployment using fast http server and Amazon AWS architecture.
• Used Amazon Web Services (AWS) for improved efficiency of storage and fast access.
• Used GitHub for Python source code version control, Jenkins for automating the build Docker containers.
• Develop consumer-based features and applications using Python, Django , HTML and Test-Driven Development (TDD) write existing Python/Django modules to deliver certain format of data.
• Responsible for tracking and monitoring project status in JIRA (Agile)
• Developed Python web services for processing JSON and interfacing with the Data layer.
• Worked on deployment of project on to Amazon S3.
• Worked on development of SQL and stored procedures for normalization and renormalization in MYSQL.
• Worked with Flask to put the data as time series and tabular format for east timestamp data manipulation and retrieval.
• Involved in Developing a Restful API'S service using Python Flask framework .
• Build SQL queries for performing various CRUD operations like create, update, read and delete.
• Skilled in using Collections in Python for manipulating and looping through different user defined objects.

Environment: Python 3.4, Django 1.8, Linux, HTML5, CSS, Bootstrap, MySQL, SQL, PLSQL, XML, Heroku, JavaScript, JQuery, JSP, JSON, Restful API, MVC architecture, AWS EC2, GitHub.

Python Developer

Confidential, NY

Responsibilities:

• Used SDLC process and used PHP to develop website functionality.
• Designed and developed the UI of the website using HTML , XHTML , AJAX , CSS and JavaScript .
• Developed entire frontend and backend modules using Python on Django Web Framework on MySQL
• Used Django APIs for database access
• Designed and developed data management system using MySQL. Built application logic using Python 2.7.
• Used Django APIs for database access.
• Worked on development of SQL and stored procedures, trigger and function on MYSQL .
• Developed shopping cart for Library and integrated web services to access the payment (E-commerce)
• Designed and developed a horizontally scalable APIs using Python Flask.
• Designed Cassandra schema for the APIs
• Java implementation on given project
• Developed shopping cart for Library and integrated web services to access the payment.
• Used PhP language on lamp server to develop page.
• Developed dynamic interaction page on .net MS visual basic 2014, using SQL developer tools .

Environment: Python, JavaScript, Django Framework 1.3, SQL, MySQL, LAMP, JQuery, PHP, Cassandra, Flask