SUMMARY

• Around 8+ years of experience as a Web/Application Developer and coding with analytical programming using Python, Django, Flask, AWS, SQL.
• Good experience of software development in Python (libraries used: Beautiful Soup, NumPy, SciPy, matplotlib, Panda’s data frame, network, urllib2, MySQL dB for database connectivity) and IDEs - sublime text, Spyder, PyCharm
• Good experience on Hudson/Jenkins, Build Forge for continuous integration and for End-to-End automation for all build and deployments.
• Performed integration of Code Quality Analysis Techniques like Check styles, Find Bugs and PMD with CI tool Hudson/Jenkins.
• Experience with Spark, CICD pipelines and Jenkins.
• Developed Web-based applications using Django, Python, XML, CSS, HTML, DHTML, JavaScript, jQuery, Bootstrap, RESTful.
• Working experience with cloud infrastructure of AWS (Amazon Web Services) and computing AMI virtual machines on Elastic Compute Cloud (EC2).
• Experience on Have used source control applications like Git, GitHub, Bitbucket for code management.
• Experienced with WAMP (Windows, Apache, MySQL, and Python/PHP) and LAMP (Linux, Apache, MySQL, and Python/PHP) Architecture.
• Performed on Integrated data from around 40 different sources and developed data pipelines to load the data into Elasticsearch and Salesforce for the use in targeted e-mail marketing (Stone branch, AWS, S3, Hive, Elasticsearch, Redshift, Python, Spark, Salesforce), to bring dozens of millions of dollars of additional revenue.
• Configured AWS Identity and Access Management (IAM) Groups and Users for improved login authentication.
• Experience in building strong websites confirming Web 2.0 standards using jQuery, HTML5, XHTML, DHTML & CSS3 to develop valid code and table-free sites.
• Experienced with JSON based RESTful web services, and XML/QML based SOAP web services and worked on various applications using python integrated IDEs like Sublime Text and PyCharm.
• Using Django evolution and manual SQL modifications, able to modify Django models while retaining all data, while site was in production mode.

TECHNICAL SKILLS

Languages: JAVA, UML, WSDL, C++, C, PHP, ASP, .Net, PL/SQL, SQL

Markup languages: HTML5, CSS3, XHTML and XML

Web Services: RESTful and SOAP.

Data-interchange format: JSON, XML

Change Management tools: Git, SVN, CVS

Methodologies: Agile/XP (Extreme Programming) and SCRUM

Operating Systems: Unix/Linux, Mac, Windows

Design Patterns: Observer, strategy, Iterator, Command, State, COR, Bridge, Factory, Visitor Composite.

Tools: and Technologies: Python, Django, Magento, Java, J2EE, Core Java, JSP, Servlet, Flask, Pandas, PyCharm, PyTorch, Numpy, scikit-learn, Python API, Celery, ORM, Microservices, Tornado, SQLAlchemy, AWS, Kubernetes, Docker, JavaScript Java Beans, JDBC, JNDI, Java Web-services, Hibernate, Spring, JSF, Struts Framework, Tiles, EJB, AJAX, SOAP, JMS, XSL, XML.

PROFESSIONAL EXPERIENCE

Sr. Python Developer

Confidential, Portland, OR

Responsibilities:

• Implemented business layer using Core java, Spring Beans using dependency injection, Spring annotations.
• Enhanced code using functional interfaces, streams in java.
• Exposure building Java applications using tools like ANT, MAVEN and Gradle.
• Worked on python-based test frameworks and test-driven development with automation tools.
• Implemented business logic using Python/Django.
• Deleted empty images, augmented data by flip, rotation, crop using OpenCV and labeled bounding boxes
• Migrated Oracle DB to Aurora Postgress around 20 databases by using DMS tool of AWS
• Developed organized SQL and MySQL databases optimized for Laravel use.
• Designed RESTful Web services using FLASK, with emphasis on improved Security for the service using FLASK-HTTP Auth with HTTPS.
• Developed Test Driven Development (TDD), pair programming and continuous integration using JUnit, JBehave and Jenkins.
• Developed an AWS Lambda Scheduler service with JAVA integrations for WPS project to extract data at regular intervals to populate the Aurora DB (AWS).
• Worked in virtual machine environment connecting from windows to VxRails/AWS machines using VNC server, used IntelliJ IDE and Apache Karaf server on VM.
• Involved in writing java API for Amazon Lambda to manage some of the AW’S services.
• Working experience in using Pandas, Scikit-learn, NLTK for dealing with analytical tasks and various algorithms in Supervised (Linear Regression, SVM, Random Forest, Neural networks) and Unsupervised (K-Means Clustering, KNN, Apriorism), YOLO (image processing algorithm)
• Worked on Different databases like (Mongo, Postgress, MySQL, oracle).
• Used RSpec to create test driven development (TDD) along with Capybara.
• Created, configured management reports and dashboards in Splunk for Application Log Monitoring and supported Splunk cluster infrastructure in AWS cloud environment.
• Developing the AWS script for Cdeep3M plug-and-play cloud based deep learning solution for image segmentation of light, electron.
• Developed Merge jobs in Python to extract and load data into MySQL database.
• Implemented full stack development using Flask micro framework for Python to develop web API running on uWSGI +ngnix using LAMP stack.
• Employed test driven development (TDD) and continuous integration to achieve consistent, stable, and reusable code using XCTest and tracking issues in JIRA.
• Responsible for setting up Python REST API framework using Django.
• Used Django framework for MySQL database application development.
• Developed python flask api's which are consumed by Angular based frontend pages.
• Implemented the Microservices base on Restful API utilizing Spring Boot with Spring MVC.
• Designed and maintained databases using Python and developed Python based API (RESTful Web Service) using Flask, SQLAlchemy and PostgreSQL.
• Developed server-based web traffic statistical analysis tool using Flask, Pandas. Developed platform based on JSON REST API using Python, Flask and SQLAlchemy.
• Wrote Python code using Ansible Python API to automate cloud deployment process.
• Used Celery as task queue and RabbitMQ, Redis as messaging broker to execute asynchronous tasks.
• Experienced in developing API services in Python/Tornado, NodeJS while leveraging AMQP and RabbitMQ for distributed architectures.
• Used JSP, HTML5, CSS3, and JavaScript to construct dynamic web pages (presentation Layer) for the application.
• Developed Single Page applications using AngularJS using components, directives using TypeScript.
• Developed multiple web-based chat demos using React, Redux, ES6/Babel, Webpack, and Mocha.
• Build a Tensorflow Object Detection transfer learning model for custom dataset.
• Expertise on working with ML toolkits (PyTorch, Keras, scikit-learn, TensorFlow)
• Used threading limitations to implement parallel processing.
• Implemented machine learning schemes using Python libraries scikit-learn and SciPy.
• Worked on Python OpenStack APIs and used Numpy for Numerical analysis.
• Created Java or J2EE design patterns such as Session Façade, Business Delegate, Service locator etc.
• Migration of stored procedures from Oracle DB to PostgreSQL.
• Used PL/SQL to write Stored Procedures, Functions, Packages and Triggers.
• Inserted data from Kafka Message queue to Spark and then to Cassandra data tables.
• Conducted version control, software maintenance and backup using Maven and Git.
• Developed Angular unit test cases using Mocha, Karma, Angular-Mocks, Chai.
• Worked on BDD approach with cucumber-JVM in selenium web driver.
• Included Dagger for dependency injection for mocking JSON with Mockito into RESTful API web service.
• Designed and developed the application using agile methodology and followed TDD, Scrum.
• Utilized AWS EC2 to support the web server and AWS S3 and RDS storage for uploaded stocks.
• Implemented AWS solutions using DynamoDB, EBS, Elastic Load Balancer, Auto scaling groups.
• Team Foundation Server (TFS) is used for source control, data collection, reporting and project tracking.
• Deployed the application on Linux server in testing and production environments.

Sr. Python Developer

Confidential, Austin, TX

Responsibilities:

• Created entire application using Python, Django, MySQL and Linux.
• Used OpenCV library of programming functions mainly aimed at real-Time.
• Development (TDD), Behavior-Driven Development (BDD) and pair programming.
• Worked closely with Devops team to set up CI/CD pipeline using Jenkins, Ansible, AWS, Maven and GIT.
• Working knowledge in Object Detection Algorithm - YOLO v3, where the confidence threshold and other parameters are passed through command line using argparse module.
• Developed web applications by following Model View Control (MVC) Architecture using server-side applications Django, Flask and Pyramid.
• Installed HDFS, AWS and developed multiple MapReduce jobs in PIG and Hive for data cleaning and pre-processing.
• Developed a full stack (AngularJS + Spring MVC + AWS Aurora / Redshift) web application with authorization to transfer, aggregate and visualize 10k-line of advertisement campaign metadata.
• Responsible for setting up Python REST API framework using DJANGO.
• Assisted with development of web applications Flask, Pyramid, Django, and Plone.
• Developing the AWS script for Cdeep3M plug-and-play cloud based deep learning solution for image segmentation of light, electron and X-ray microscopy
• Developed Merge jobs in Python to extract and load data into MySQL database.
• Used frameworks like Karma and Jasmine for implementing TDD and BDD in our projects.
• Redesigned and implemented the website's database using Django and PostgreSQL.
• Used Ember.js and Redis as backend for Django to retrieve data from CouchDB to display rich reports.
• Implemented database access using Django ORM.
• Used cucumber Testing tool for TDD and BDD.
• Performed data analysis using Panda’s toolkit for python.
• Created a dashboard using Flask, Python libraries, and AngularJS to visualize their progress.
• Involved in development of Python APIs to dump the array structures in the Processor for debugging.
• Utilized Celery to automate various tasks such as API calls.
• Created an AWS RDS Aurora DB cluster and connected to the database through an Amazon RDS AuroraDBinstance using the AmazonRDSConsole.
• Wrote programs for performance calculations using NumPy and SQLAlchemy.
• Used Redux as state container for JavaScript applications that will help applications behave consistently.
• Web application development for backend system using Angular with HTML5, CSS3, ES6, Typescript.
• Configured React-Redux for state management.
• Built codebase for a natural language processing and machine learning framework.
• Managed the services and libraries required for Data science analysis.
• Used TensorFlow to make numerical computations using data flow graphs.
• Advanced Text analytics using several packages like NLTK and PyTorch in Python.
• Used scikit-learn in modeling various classification, regression and clustering algorithms
• Created Ruby on Rails API for Angular front end mobile home sharing app.
• Worked with JSON Web Token (JWT) for authentication and authorization.
• Developed a Web Application using Java with the Google Web Toolkit.
• Wrote stored procedures in Oracle PL/SQL for data entry and retrieval.
• Vast experience coding in various IDEs - Eclipse, NetBeans, Sublime Text, Spyder, PyCharm.
• Used GIT repository for software configuration management and version control.
• Developed specialized search system using Mongo DB, Java Servlets, JUnit, Maven.
• Developed, documented, and automated reusable build and release processes for Visual Studio and TFS applications using Serena, Ant, Maven, and DOS batch scripts.
• Used Docker container system with Kubernetes integration.

Sr. Python Developer

Confidential - New York, NY

Responsibilities:

• Created Java or J2EE design patterns such as Session Façade, Business Delegate, Service locator etc.
• Developed a Web Application using Java with the Google Web Toolkit API with PostgreSQL.
• Utilized PyUnit, the Python Unit test framework, for all Python applications.
• Rewrote existing Python/Django modules to deliver certain format of data.
• Wrote python scripts to parse XML documents and load the data in database.
• Used Python and Django to interface with the jQuery UI and manage the storage and deletion of content.
• Implemented with Django and Pinax (Django plugin to jump start project along with twitter Bootstrap CSS3.
• Maintained custom Django CMS running on AWS, Docker and Ansible.
• Used object-relational mapping (ORM) solution, technique of mapping data representation from MVC model.
• Used Pandas library for statistical Analysis.
• Developed web applications and RESTful web services and APIs using Python, Elasticsearch, Tornado and PHP.
• Converted design mock up to a functional, interactive prototype using Google Polymer, HTML55, CSS3 and JavaScript.
• Designed and developed the user portal using angular along with HTML, CSS and TypeScript.
• Created and modified code within a Ruby on Rails-based application
• Developed REST API backend server with JSON web token authentication.
• Administered existing Single Sign On (SSO) and SAML applications implemented through SiteMinder.
• Worked on multiple python frameworks including Pyramid and Tornado.
• Responsible for developing the application-level flow by utilizing Java, JSP and Struts.
• Development of Web (Intranet) database-driven and GIS Java/J2EE applications for Oracle databases.
• Vast experience coding in various IDEs - Eclipse, PyCharm.
• Solutions developed on WebSphere Application Server environments hosted on clustered UNIX Servers.
• Integrated Build Process through Jenkins to various SCM tools like JIRA, Git and SVN.
• Wrote unit tests using Jest and Enzyme for test-driven development.
• Worked on JUnit with selenium and cucumber-JVM.
• Worked extensively in Agile Development process and Jira.
• Managed AWS infrastructure including EC2, EBS, S3, Cloud Search, Simple DB with Chef, Ansible and custom clients.
• Used AWS services like DynamoDB and EC2 services, CloudWatch for logs.
• Used Ant/Maven scripts to build the application and deploy it on Application Server.
• Perform daily maintenance tasks on Linux servers.
• Integrated with Hip chat for team chat, and other systems using Bitbucket webhooks.

Python Developer

Confidential, Charlotte, NC

Responsibilities:

• Developed Python Framework using Django to perform scan software unit monitoring.
• Built various graphs for business decision making using Python matplotlib library
• Developed and tested many features for dashboard using Python, Bootstrap, CSS3, and JavaScript
• Built various graphs for business decision making using Python library.
• Created python modules to enhance Django framework with project code.
• Built and extended primarily with the use of Python and the Django framework.
• Collected and analyzed data and show the table or graphic on the webpage using Python/Django, SQL, HTML5, CSS3 and JavaScript.
• Experience in working with Python ORM Libraries including Django ORM.
• Used Pandas and Matplotlib for analysis and manipulation of data.
• Developed API services in Python/Tornado.
• Ruby on Rails-based platform via decoration, extensive use of view models, and additional customer-based customizations.
• Developed presentation Layer using HTML, CSS, JSTL, jQuery, JavaScript, REST, PHP.
• Hands on experience with JSON web token authentication.
• Implementation of fully API based SSO/SAML architecture using CA SiteMinder.
• Experienced in MVC frameworks like Flask and Pyramid and MVT framework like Django.
• Struts Framework is used to build Servlets and Java Servlet pages.
• Created AWS RDS on MySQL for Micro Strategy.
• Implemented SOA architecture using SOAP web services by using Apache CXF and JAX-WS.
• Experience coding in IDEs like NetBeans, Sublime Text, Spyder.
• Installed and configured WebSphere Application Server.
• Usage of version control repository SVN (Subversion by Apache) and JIRA.
• Developed a JUnit testing framework and integrated that with ant to enable developers to write their unit tests.
• Involved in planning process of iterations under the Waterfall methodology.
• Performed complex analysis, design, developing, testing, and debugging of wrappers for socket Networking APIs in Unix Environment.
• HipChat was used by the team for client communication.

Software Developer

Confidential - Chicago, IL

Responsibilities:

• Implemented Core Java concepts like Inheritance, Polymorphism, Abstraction and Encapsulation.
• Developed Java dynamic project using RESTful web services and used postman to deploy the application and used MySQL for the database.
• Created an XML configuration file generating beans of the java classes.
• Design and implement Decision Tree Support system by using Java, JavaScript, Spring, Hibernate, Prime faces, jQuery.
• Developed and configured the Java beans using Struts MVC and Hibernate.
• Developed a JUnit testing framework and integrated that with ant to enable developers to write their unit tests.
• Performance analysis and improvements of the application using tools like JMeter
• Used Selenium WebDriver to run test cases in multiple browsers and Platforms.
• Assigned the appropriate resources to the JIRA Portfolio.
• Deployment activities involved in Jetty and Apache Tomcat web servers.
• Perform daily maintenance tasks on Linux servers, monitoring system access, managing file space and tuning the system for optimum performance.

Developer

Confidential

Responsibilities:

• Involved in design, development and support phases of SDLC.
• Worked on various UI technologies like JSF, HTML, CSS, JavaScript and JSP tag libraries.
• Used JavaScript concepts to validate input fields using regular expression.
• Worked with Spring Batch Used Spring ORM module to integrate with Hibernate.
• Used Bootstrap along with CSS to design web-pages by HTML.
• Used Web services (SOAP and RESTful) for transmission of large blocks of XML/JSON.
• Worked on DOM manipulation using JavaScript, jQuery and AJAX.
• Worked with CSS background, CSS Layouts, CSS positioning, CSS text, CSS border, CSS margin, CSS padding, Pseudo elements and CSS behaviors.
• Tested the application under Scrum (Agile) Methodology.
• Created Test strategy, Test plan, execution plan and Identified test data requirements.

Environment: Java, CSS, JavaScript, jQuery, DHTML, DOM, JSON, Bootstrap, AJAX, PLSQL, Oracle.