SUMMARY

• Extensive 9+ years of professional experience in experience in Software Development Life Cycle (SDLC), including design, implementation, integration, maintenance and testing of various web - based, Enterprise, Client/Server and Distributed applications using Python, Django, Flask Pytorch and Node.js, Angular.js, DOJO, JQuery etc.
• Extensive experience in full life cycle (SDLC) of software development and in Agile Methodology and Scrum meetings.
• Excellent experience with Requests, NumPy, Matplotlib, SciPy, PySpark and Pandas python libraries during development lifecycle and experience in developing API's for the application using Python, Django, MongoDB, Express, ReactJS, and NodeJS.
• As a Python Developer Worked on various micro web applications development using Flask and SQLAlchemy.
• Experience in data analysis and machine learning techniques with hands-on-experience on various python libraries like NumPy, Pandas, SciPy.
• Proficient on User Interface in developing web applications using HTML5, CSS3, JavaScript, Angular 2, Node.JS, React.JS, Redux, Angular.JS, ES6, Typescript, RWD, JSON, XML, JQuery and AJAX.
• Developed various screens for the front end using ReactJS and used various predefined components from NPM and Redux library.
• Excellent working experience on MVC architecture systems with application development using Core Java, J2EE, Struts, Spring, Spring Boot, Hibernate, JSP, EJB, JSP, JMS, ActiveMQ, Servlets and JDBC.
• Extensive experience in writing SQL, PL/SQL and Stored Procedures for accessing and managing databases queries with Oracle, MySQL, NoSQL, MongoDB, SQL Server, and DB2.
• Managed Amazon Web Services like EC2, S3 bucket, Auto-Scaling, SNS, SQS, DynamoDB, Elasticsearch, Lambda Functions through AWS Console and API Integration.
• Followed Agile SCRUM methodology and used Test Driven Development (TDD) and Used BDD pattern for code quality and good readability standards.
• Excellent interpersonal and communication skills, the ability to provide solutions from a functional and technical perspective, meet deadlines, quickly build client rapport and be a team player.

TECHNICAL SKILLS

• Python, Django, Pyspark, Flask, Pandas, PyCharm, PyTorch, Numpy, scikit-learn, Python API, Celery, ORM
• Microservices, Tornado, SQLAlchemy, AWS, Kubernetes, Docker, JavaScript, HTML5, CSS3, Bootstrap
• Node.JS Angular, React, Redux, TensorFlow, ROR, Es6, MySQL, SQL, PL/SQL, PostgreSQL, Cassandra
• Rest, Tornado, Travis, Ansible, Nginx, Git, unit test, Selenium, Jest, Mockito, MAVEN, JSON, TFS, Linux, Slack, Jenkins, Agile, Scrum

PROFESSIONAL EXPERIENCE

Confidential

Sr. Python Developer

Responsibilities:

• Developed entire frontend and backend modules using Python on Django including Tastypie Web Framework using Git.
• Built main application in Python, Django using technologies like Angular.js, Backbone.js, Ember.js, and Celery.
• Developed GUI using webapp2 for dynamically displaying the test block documentation using a Python code.
• Involved in design, implementation and modifying the Python code and MySQL database on-the back end.
• Created restful web services for Catalog and Pricing with Django MVT, Ansible, MySQL, and MongoDB.
• Used Django APIs for database access and use JavaScript and MYSQL.
• Designed and developed the web application using Django web framework in python.
• Developed Web Applications using Python and Django Framework.
• Worked on Django ORM module for signing complex queries.
• Designed and implemented open source AI frameworks like PyTorch, Tensorflow, Scikit-learn.
• Implemented PyTorch to automatically classify sleep stages based on single-channel
• Developed Restful Microservices using Flask and Django and deployed on AWS servers using EBS and EC2.
• Developed applications using mix of technologies (Python, Django, Flask, Pandas, REST and PyCharm).
• Development of Python API's to dump the array structures in the Processor at the failure point for debugging
• Developed an API that asynchronously distributes task using RabbitMQ and Celery.
• Developed intranet portal for managing Amazon EC2 servers using Tornado and Numpy.
• Implemented SQLAlchemy which is a python library for complete access over SQL.
• Developed single page applications using Angular, Typescript, HTML5, CSS3, and Bootstrap
• Developed UI with ReactJS, Redux, Redux forms and material UI for more interactive web pages.
• Developed dynamic web pages using HTML5, CSS3, React JS, Bootstrap, NodeJS and AJAX.
• Designed and developed machine learning functions for different data filtering, classifying, and clustering.
• Designed and implemented open source AI frameworks like PyTorch, Tensorflow, Scikit-learn.
• Worked on the development of applications using Ruby on Rails (RoR), and Jruby.
• Worked on Single page applications using ANGULAR JS, NODE JS, GULP, and WEBPACK (ES6).
• Work with Angular 2 and typescript as part of migration from Angular JS to Angular 2 and Angular 4.
• Enhance legacy application by building new components in Angular 2 and typescript.
• Moved existing Angular JS controllers and services to Angular 2 components for more responsive and less dependency.
• Developed Web Application using AngularJS, HTML5, CSS3, JavaScript, Bootstrap and JSON web token.
• Developed java based Amazon Workflow Service, AWS Elastic Beanstalk, and AWS CloudFormation.
• Implemented client-side form validation, form view results using various components, pipes in Angular 4.
• Used Angular 4 HTTP to retrieve data through Web API from Entity Framework.
• Used Angular 6 to standardize web application structure and responsive using Bootstrap and provide a future template for data binding.
• Used Postgres to support applications that require a great deal of flexibility in the data model with JSON.
• Developed API for using AWS Lambda to manage the servers and run the code in the Postgres DB.
• Created SQL Statement, Stored Procedure, and PL/SQL using Oracle SQL Developer.
• Extracted data from PostgreSQL, Cassandra, Redis, Influx dB and Elastic Search.
• Developed Application using web technologies like JavaScript, GitLab and GitHub.
• Worked on Mocha package and used chai to use expect method in the unit test cases results on NodeJS.
• Implemented the unit tests using Python Unit test framework.
• Created framework in Selenium WebDriver using behavior driven approach like Jest.
• Developed Junit test cases for unit testing and Mockito for mocking.
• Worked with Agile Software Development environment using SCRUM and Kanban.
• Worked on automation in AWS (EC2, Lambda, S3, RDS, and Dynamo) with AWS CloudFormation.
• Implemented AWS solutions using DynamoDB, EBS, Elastic Load Balancer, Auto scaling groups.
• Use CloudSQL to migrate existing MySQL and Hadoop/Pig/Spark/Hive workloads to Google Cloud Platform.
• Performed application development using tools like Intellij, JUNIT, and Maven for building application.
• Worked in DevOps group running Jenkins in a Docker container with EC2 slaves in Amazon AWS cloud configuration.
• Worked to get stories automated using JBehave, Serenity with BDD and Used Continuous Integration with Jenkins.Used SVN, GitHub, Team Foundation Server (TFS) and JIRA to developed application for the client.
• Performed Python development under Linux OS (Debian, Ubuntu, and RedHat Linux).
• Used and configured NGINX and Node.js servers for the portal to run on and made them work even for CORS.
• Used JIRA, HipChat, Slack/zoom for project tracking and team communication.
• Worked on Container Clustering and Orchestration with Docker Swarm, TeamCity and Kubernetes.
• Implemented CI/CD with GitHub, Travis CI; deploys as microservices Docker containers to Docker Hub.

Environment: Python, Django, Flask, Pandas, PyCharm, PyTorch, Numpy, scikit-learn, Python API, Celery, ORM, Microservices, Tornado, SQLAlchemy, JavaScript, HTML5, CSS3, Angular, React, Redux, Machine learning, data science, TensorFlow, ROR, Es6, Typescript, JSON web token, Java, MySQL, SQL, PL/SQL, PostgreSQL, Cassandra, Rest, Tornado, Travis, Ansible, AWS, DynamoDB, Google Cloud Platform, Nginx, Kubernetes, Docker, Swarm, GitLab, Git, unit test, Selenium, Jest, Mockito, MAVEN, JSON, TFS, Linux, Slack, Jenkins, Agile, Scrum

Confidential - New York, NY

Sr. Python Developer

Responsibilities:

• Developed views and templates with Python and Django's view controller and templating language to create a user-friendly website interface.
• Developed entire frontend and backend modules using Python on Django Web Framework
• Developed API services in Python/Tornado and NodeJS while leveraging AMQP and RabbitMQ for distributed architectures.
• Wrote and executed various MYSQL database queries from python using Python-MySQL connector and MySQL dB package.
• Used Django framework to develop the application and used Python modules for web crawling.
• Utilized PyUnit, the Python Unit test framework, for all Python applications and used Django Database API's to access database objects.
• Used object-relational mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model.
• Implemented Microservices architecture in developing the web application with the help of Flask framework.
• Worked on several standard Python packages like Numpy, MatPlotLib, Scipy, Pandas and PyTables etc.
• Created core Python API which will be using among multiple modules
• Used Celery with RabbitMQ, MySQL, Django, and Flask to create a distributed worker framework.
• Automated the existing scripts for performance calculations using NumPy, PyCharm and SQLAlchemy.
• Worked on Cross-Browser compatibility for both Javascript and CSS, and squashed bugs in several browsers and devices.
• Designed and implemented a UI update for a server repair software tool in HTML5 and CSS3.
• Developed International Error Correction Screens using custom front end forms using XML, XSLT, Angular JS and JQuery.
• Involved in building stable React components and stand-alone functions to be added to any future pages.
• Worked with redux saga along with redux thunk to handle asynchronous calls efficiently.
• Implemented custom python machine learning algorithms and modified python open source algorithms.
• Built a Tensorflow Object Detection transfer learning model for custom dataset of client.
• Implemented PyTorch to automatically classify sleep stages based on single-channel.
• Wrote python script to compare performance between support vector machine and deep neural network using Scikit-learn and NumPy.
• Used Ruby on Rails to create API endpoints that served data to multiple components.
• Constructed powerful and modern frontend architecture, involving React, Redux, and ES6.
• Created Typescript controllers for the different pages in the views using Typescript.
• Designed and implemented UI layer using JSP, JavaScript, HTML, JSON web token, JSP, and J2EE framework.
• Used Eclipse IDE for Java and XML development and QA and branched projects using Tortoise SVN.
• Worked on application development using Oracle SQL, PL/SQL, Oracle Forms/Reports and Informatica ETL.
• Design and implement disaster recovery for the PostgreSQL Database.
• Implemented AWS solutions using DynamoDB, EBS, Elastic Load Balancer, Auto scaling groups.
• Developed CRUD applications using MERN stack (MongoDB, Express, ReactJS and NodeJS) and REST based API.
• Deployed the project into Heroku using GIT version control system.
• Wrote unit test cases in Python and Objective-C for other API calls in the customer frameworks.
• Performed end to end testing using Selenium web driver, Jbehave and Testing.
• Deployed cloud stacks using AWS S3 and EC2 instances & created multi AZ VPC instances.
• Worked on CI/CD pipeline and created sandbox, UAT and Production Environments in Google Cloud Platform.
• Used Maven for building, creating JPA based entity objects and compiling GWT and GXT application.
• Maintained the Source code using Team Foundation Server (TFS) in a multi developer environment.
• Implemented a Backend Server with SQLite database using Java Servlet on Debian Linux system with Tomcat server. Worked on JIRA development with JAVA and Hipchat.
• Developed Docker container based micro services using Spring Boot/Cloud and deployment on Kubernetes cluster. Developed Jenkins-Kubernetes deployment for dockerized microservices in Golang and Python.
• Automated the cloud Deployments using Chef and AWS Cloud Formation Templates.
• Used JIRA, HipChat, Slack, zoom for project tracking and team communication
• Agile/SCRUM was used as the project management methodology and JIRA and Confluence were the tools used to keep things in check.

Environment: Python, Django, PyCharm, PyTorch, Pandas, Flask, Python API, TensorFlow, scikit-learn, NumPy, Microservices, ORM, Celery, Tornado, SQLAlchemy, JavaScript, HTML5, CSS3, Angular, React, Redux, Machine learning, data science, Tornado, TFS, ROR, Angular, React, Es6, Typescript, JWT, Java, MySQL, PL/SQL, PostgreSQL, Rest, Git, Selenium, AWS EC2, Google Cloud Platform, Chef, Maven, JSON, Jenkins, Docker, Linux, Agile, Scrum

Confidential - Oakland, CA

Sr. Python Developer

Responsibilities:

• Developed views and templates with Python and Django view controller and templating language to create a user-friendly website interface.
• Used Python to write data into JSON files for testing Django Websites. Created scripts for data modeling and data import and export.
• Involved in building database Model, APIs and Views utilizing Python, in-order to build an interactive web-based solution.
• Performed data extraction and manipulation over large relational datasets using SQL, Python, and other analytical tools.
• Worked on Python to place data into JSON files for testing Django Websites using Eclipse.
• Developed web applications in Django Framework's model view control (MVC) architecture.
• Used ORM programming in converting data between incompatible type systems in OOP languages.
• Used various Python libraries for data analytics and extracting data using Pandas, Pyexcel, NumPy, Pickle and Pytable.
• Worked on multiple python frameworks including Pyramid and Tornado.
• Developed dynamic web pages using HTML5, CSS3 and jQuery, AngularJS, JavaScript and Oracle.
• Used ReactJS to build the UI components, developed filters to display different dimension of data and font size modifiers.
• Development of new applications using Ruby on Rails (RoR) Using GitHub.
• Developed Dynamic Web Application using AngularJS, HTML5, CSS3, JavaScript, Bootstrap and JSON web token.
• Used XML/XSLT for transforming common XML format and SSO/SAML for Single Sign-On.
• Design and development using Java Swing, JFC Used for open source web testing.
• Designed and implemented RESTful and SOAP Microservices in Java for trading partners.
• Worked on J2EE Development of a SOA architecture using IBM WebSphere and Oracle.
• Deployed application and provide continuous maintenance using Git and SVN.
• Created test suites for unit testing UI using CasperJS and PhantomJS.
• Writing Automation test scripts using JBehave, Serenity and Selenium Webdriver for regression suite.
• Worked in an Agile environment and also Installed and Configured Drupal on a Linux server and other servers.
• Implemented AWS solutions using EC2, S3, EBS, Elastic Load Balancer, Auto scaling groups.
• Worked with MongoDB modules for database persistence using Node.js to interact with DynamoDB.
• Created custom OSGi services and servlets using Eclipse IDE with Maven.
• Integrating Jira with Stash/Crowd/Hipchat/Bitbucket Server.
• Implemented continuous deployment system with Jenkins, AWS: CodeDeploy, Ops Works, and Packer for deployment of Python Applications.
• Designed and developed the application using agile methodology and followed TDD, Scrum.

Environment: Python, Django, ORM, Pandas, Tornado, JavaScript, HTML5, CSS3, AngularJS, Bootstrap, JQuery, JSON web token, SSO/SAML, Pyramid, ROR, Java, Oracle, Rest, Eclipse, Websphere, Git, SVN, unit test, Selenium, Maven, JSON, XML, Jira, Linux, hipchat, Jenkins, Agile

Confidential - Boston, MA

Python Developer

Responsibilities:

• Re-designed and re-implemented the company’s web functionality into a modern n-tier architecture using Python and Django. Built application logic using Python.
• Used Python and Django to interface with the JQuery UI and manage the storage and deletion of content.
• Used Python based GUI components for the front end functionality such as selection criteria
• Designed and developed data management system using MySQL.
• Worked on Python Openstack API's used Python scripts to update content in the database and manipulate files.
• Designed and developed persistence layers to modify data for application using Django and PostgreSQL.
• Implemented MVC architecture using Django, Servlet and RESTful, SOAP web service and SOAPUI.
• Developed views and templates with python and Django's view controller and templating language to create.
• Worked with Python ORM Libraries utilizing Django ORM.
• Scraped and retrieved web data as JSON using Scrapy, presented with Pandas library.
• Developed web applications and RESTful web services and APIs using python, Django, Tornado and PHP.
• Worked on JavaScript for developing and maintaining graphs
• Made use of HTML5/CSS3 new features such as Canvas, SVG, Media and API's.
• Worked on JavaScript frameworks like Jest, Jasmine and Karma, and AngularJS test framework Protractor.
• Developed Navigation bar, manu bar, drop down list with React widgets and bootstrap.
• Developed and tested many features for dashboard using Ruby on Rails, RSpec, Bootstrap and JavaScript.
• Worked with Passport and JSON web tokens for authentication of configurations using bootstrap and Node.js.
• Implemented SAML to achieve the security features for SSO.
• Assisted with development of web applications Flask, Pyramid, and Django.
• Developed Java UI JFC/Swing screens and components using Netbeans.
• Coded Gradle build scripts to build and deploy the application on WebSphere.
• Using IDE's like Eclipse, Netbeans and version control tools like Mercurial, SVN, and Git.
• Develop and executed unit test cases using JUnit, and Mockito as mocking framework for mocking data.
• Involved in Regression testing by following Agile-Scrum, Kanban and Waterfall software development.
• Worked in AWS Cloud platform and its features which include EC2, RDS, DynamoDB, S3, and CloudFormation.
• Implemented automated execution of tests using ANT and Jenkins.
• Worked with various version control systems like GIT, CVS and SVN.
• Used Heroku for hosting PHP application, Data exchange with third party using PHP/XML.
• Involving in Building the modules in Linux environment with ant script.

Environment: Python, Django, ORM, Pandas, Tornado, JavaScript, HTML5, CSS3, Bootstrap, JQuery, Ruby on Rails, JSON web token, SSO/SAML, Pyramid, Java, AWS EC2, S3, MySQL, Rest, Soap, Netbeans, Websphere, CVS, SVN, Junit, Waterfall, Ant, XML, Jira, Linux, Unix

Confidential - Woonsocket, Rhode Island

Python Developer

Responsibilities:

• Built website and database system for in house, programmed in Python through Django streamline framework
• Responsible for Coding using Python, Django, JavaScript, CSS, HTML and XML.
• Designed and styled UI screens using HTML, JavaScript and CSS.
• Developed client-side AJAX application that uses JavaScript OOP and more Bind objects and retrieve them via JNDI interface.
• Wrote complex SQL queries, stored procedures in PL/SQL.
• Developed WebServices for interacting with Backend. Designed Solutions using Hibernate and JPA to interface with the relational database.
• Developed and designed Software Engineering Solutions using Agile Methodology.
• Involved in design, development and support phases of SDLC.

Environment: Python, Django, JSP, HTML, CSS, JQuery, Struts, EJB, PL/SQL, MYSQL, JIRA UNIX,, CVS, ANT, web services, UNIX Linux, and Windows.