SUMMARY

• IT Professional with 10+ years of experience in designing, developing, and maintaining large - scale systems/applications with strong expertise inPython.
• Configured AWS Identity and Access Management (IAM) Groups and Users for improved login authentication.
• UsedPythonand Django creating graphics, XML processing of documents, data exchange and business logic.
• Expertise over data mining usingPython.
• Experience in developing web-based applications usingPython, Django, Web app,Angular.js, HTML5/CSS3, JavaScript and JQuery.
• Experience on Have used source control applications like Git, GitHub, Bitbucket for code management.
• Extensive knowledge inPython, SQL, Unix, Linux and in Object Oriented Design and Programming concepts.
• Experienced in working with server-side technologies including databases, and restful API.
• Proficient in Stored Procedures for better performance and high productivity, also automated them using triggers.
• Critical thinker & independent worker with strong analytical and problem-solving skills, capable of researching and recommending innovative solutions.
• Proficient in persistence framework like Hibernate and JPA.
• Well versed with Design and Development of presentation layer for web application using technologies like HTML5, CSS, Bootstrap, XML, Angular JS, JavaScript, AJAX, jQuery, Jinja2 and JSP.
• Experienced in installing, configuring, modifying, testing and deploying applications with Apache.
• Worked extensively with Unit testing/Test driven Development (TDD) and Load Testing.
• Good experience in Shell Scripting, Oracle RDBMS, SQL Server, UNIX and Linux.
• Good knowledge on C, C++ languages including threads, templates, Polymorphism and OO concepts.
• Experienced in aPythonbased environment, along with data analytics, data wrangling and Excel data extracts.
• Experience with web-scraping usingpythonpackages/libraries like Beautiful-Soup and Urllib2.
• Proficient with variousPythonIDE's using PyCharm, PyScripter, Spyder, PyStudio and PyDev.
• Experience of Build & Deployment phase and usage of Continuous Integration(CI/CD) tools, build configuration, change history for releases, Maintenance of build system, automation & smoke test processes, managing, configuring, and maintaining source control management systems.

PROFESSIONAL EXPERIENCE

Confidential - Abbott Park, Illinois

Sr. Python Developer

Responsibilities:

• Architect the SQL Server database and implemented the design, performance tuned, and maintenance.
• Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology for developing data delivery applications.
• Developed user interfaces of the application using front end technologies and used API's developed using Django REST framework to pull data from the backend, showing it to the user.
• Involved in the software development lifecycle (SDLC) of tracking the requirements, gathering, analysis, detailed design, development, system testing and user acceptance testing.
• Developed entire frontend and backend modules usingPythonon Django including web Framework using Git, CSS and JavaScript.
• Implemented MVC architecture in developing the web application with the help of the Django framework.
• Used Test driven approach (TDD) for developing the application and implemented the unit tests usingPythonUnit test framework.
• Backend part of the portal was designed using API gateway and node JS backend.
• Designed and developed a horizontally scalable APIs usingPythonFlask.
• Worked on PySpark APIs for data transformations and used pandas for data transformation.
• Involved in writing scripts usingpythonmodules and its libraries like NumPy SciPy, Matplotlib, Pandas to develop programs that improve processing of access requests.
• Created a Handler function inPythonusing AWS that can invoke when the service is executed.
• Designed front end using UI, HTML5, Bootstrap, Node.JS, CSS3 and JavaScript.
• Used Angular.JS as the development framework to build a single-page application.
• Used the AWS -CLI to suspend on Aws Lambda function used AWS CLI to automate backup of ephemeral data stores to S3 buckets EBS
• Developed mapping process for delta file to JSON format for AWS glue consumption and created and call the glue
• Developed and tested many features for the user interface usingPython Bootstrap, CSS, and JavaScript.
• Automated data processing systems using libraries like Sub process, also sending notifications to users usingpythonSMTP library.
• Involved in using collections in Python for manipulating and looping through different user defined objects.
• Used PyQT to implement GUI for the user to create, modify and view reports based on client data.
• Used JQuery for selecting particular DOM elements when parsing HTML.
• Worked with JSON based REST Web services.
• Optimized SQL queries used in batch processing and Wrote validation scripts in SQL to validate data loading.
• Actively worked as a part of a team with managers and other staff to meet the goals of the project in the stipulated time.

Environment: Python, Django, PySpark, MVC, TDD, NumPy, SciPy, Matplotlib, Pandas HTML5, CSS3, JavaScript, Angular.JS, Bootstrap, Node.JS, PyQt, DOM, JQuery, JSON REST, RabbitMQ, Agile, Oracle, Windows.

Confidential - Abbott Park, Illinois

Sr. Python Developer

Responsibilities:

• Applications developed using mix of technologies (Python, Django, SQL, WCF Pandas, numpy, REST, SOLR)
• Develop web applications inPython/Django with client - specific customizations.
• Design application architecture and API.
• DevelopedPython/Django application for Google Analytics aggregation and reporting.
• GeneratedPythonDjango Forms to record data of online users
• Worked onPythonOpen stack API's.
• Added support for Amazon AWS S3 and RDS to host static/media files and the database into Amazon Cloud.
• Developed tools usingPython, Shell scripting, XML to automate some of the menial tasks.
• Interfacing with supervisors, systems administrators and production to ensure production deadlines are met.
• Involved in development of Web Services using SOAP for sending and getting data from the external interface in the XML format.
• Responsible for the project monitored on JIRA (Agile).
• Create, develop and fine-tuned SQL objects: Tables, stored procedures, views and triggers.
• Real-time deals display and intraday margin and risk limits using messaging system, workflow and watchers.
• Test driven development (TDD) and agile development using integrate platform (Quartz, subversion, Story/Jira/Sprint) for development, testing, signoff and release.
• Started new project of clearing, limits and risk management of Futures and Options trades, extracting the data from GMI (SunGard) to new integrated clearing platform Quartz/Pythonand risk limits using different API for referencing clients and instruments data.
• Participate in design, development and maintenance of in-house framework for Prime Brokerage solutions for ETL, Calculation of Margin call and Risk, reports and delivering reports to customers and regulatory reports and dashboard for internal use based on (SOAP, SSRS, SSIS, SSAS, SQL 2008r2).
• Developed numerous Regulatory and custom reports inPythonand delivered over FTP/email to clients/vendors/Regulatory agencies.
• Performed troubleshooting, fixed and deployed manyPythonbug fixes of the two main applications that were a main source of data for both customers and internal customer service team.
• Help clarify and develop business goals and strategy, designed and implemented technical solutions.
• Code refactoring, review, tuning, unit tests and coverage.
• Lead team of junior developers in the successful completion of project.
• Experience in handling database issues and connections with SQL databases like MongoDB by installing and configuring various packages inpython(Teradata, MySQL dB, Pyodbc, MySQL connector and SQL).

Environment: Python, Django, MS SQL Server, SOAP, MongoDB, HTML, TDD, SSIS, SSRS Amazon AWS, numpy, Solr, JavaScript, JSON, XML, Restful, CSS, XHTML, MVC architecture, Eclipse, pdb, emacs, JIRA, Google Analytics, Google Test.

Confidential - Portland, Oregon

Sr. Python Developer

Responsibilities:

• Worked in all stages such as analysis and design, development, testing and debugging and Involved in Unit testing and Integration testing.
• Developed views and templates withPythonand Django's view controller and templating language to create a user-friendly website interface.
• Added support for Amazon AWS S3 and RDS to host static/media files and the database into Amazon Cloud.
• Used Angular Routing Module to implement routing, and role-based routing for Single Page Application.
• Involved in deploying the code into Amazon Web Server using BOTO API.
• Developed backend web services using Node.js and stored dependencies using Node Package Manager (NPM).
• Extensively used CSS3 media queries and Bootstrap while working on responsive web design.
• DevelopedPythonweb services for processing JSON and interfacing with the Data layer.
• Developed tools to automate some base tasks usingPython, Shell scripting and XML.
• Developedpythonscripts to tokenize XML data and store them to Mongo DB.
• Utilized PyUnit, thePythonUnit test framework, for allPythonapplications and used Django Database API's to access database objects.
• Involved in Continuous Integration and delivery prime responsible for creating a structured load build and delivery system utilizing Git, Jenkins and Docker
• Registry to increase productivity and software quality.
• Worked with JIRA to manage the issues, track the bugs and prioritize the issues.
• GeneratedPythonDjango Forms to record data of online users.

Environment: Python, Django, Angular, TypeScript, Node JS, NPM, JSON, Mongo DB AWS, Boto API, Shell Scripting, XML, Jenkins, PyUnit, GIT, Docker, Jira, Agile Windows.

Confidential - New York

Sr. Python Developer

Responsibilities:

• Developed entire frontend and backend modules usingPythonon Django Web Framework
• Created a Spark cluster on AWS EC2 and integrated with IPython to provide team with machine learning environment.
• Used data mining tool such as PMML to design and analyze classification and regression trees.
• Tested machine learning models applying algorithms based on decision trees, logistic regression, and neural networks.
• Developed machine learning algorithms and worked with engineering to develop new signals and features.
• Compare and measure accuracy of each models that uses linear/logistics regression, xgboost, random forest, clustering, time series analysis, analysis of variance, GBM.
• Tested with various Machine Learning algorithms as Support Vector Machine, Random Forest, Trees with XGBoost concluded Decision Trees as champion model.
• Wrote and executed various MYSQL database queries frompythonusingPython-MySQL connector and MySQL dB package.
• Developed views and templates withPythonand Django's view controller and templating language to create a user-friendly website interface.
• Used Django framework to develop the application and usedPythonmodules for web crawling.
• Utilized PyUnit, thePythonUnit test framework, for allPythonapplications 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.
• Automated the existing scripts for performance calculations using NumPy, PyCharm and SQLAlchemy.
• Implemented Microservices architecture in developing the web application with the help of Flask framework.
• Worked on several standardPythonpackages like Numpy, MatPlotLib, Scipy, Pandas and PyTables etc.
• Created corePythonAPI which will be using among multiple modules.
• Used Celery with RabbitMQ, MySQL, Django, and Flask to create a distributed worker framework.
• Developed API services inPython/Tornado and NodeJS while leveraging AMQP and RabbitMQ for distributed architectures.
• 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.
• Implemented PyTorch to automatically classify sleep stages based on single-channel.
• 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 custompythonmachine learning algorithms and modifiedpythonopen source algorithms.
• Built a Tensorflow Object Detection transfer learning model for custom dataset of client.
• Wrotepythonscript 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.
• Created mockups using web technologies like HTML/HTML 5, CSS/CSS3, Sass, JQuery & JavaScript, Git, and GitHub.
• Designed and implemented UI layer using JSP, JavaScript, and HTML5, 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 inPythonand Objective-C for other API calls in the customer frameworks.
• Performed end to end testing using Selenium web driver, Jbehave and Testing.
• Automated environmental deployment for NIX using Jenkins server and wrote automated unit testing with Jest.
• Involve in Agile software development life cycle (SDLC) with SCRUM methodology.
• 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.
• 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.
• Worked on data science tackling real business issues inPython(Numpy, scipy, pandas).
• Set up CI/CD pipeline for efficient and automated production deployments using DevOps deployment and monitoring tools like Drone, Docker and Kubernetes.
• Worked on designing Elasticsearch and Kafka pipeline for NoSQL Log Analytics.
• Worked closely with Incident Management and Problem Management teams to troubleshoot the issue based on the severity level.
• Implemented service methods and SQL queries, PL/SQL to interact with the Oracle DBMS and worked with Cassandra.
• Orchestrated and migrated CI/CD processes using Cloud Formation and Terraform, packer Templates and Containerized the infrastructure using Docker, which was setup in OpenShift, AWS and VPCs.
• Developed POC for Consul.io, Zookeeper configuration Management tools.
• Used GITLab for code repository and maintaining current and historical versions of the source code.
• Developed the unit test cases in Test Driven Development (TDD) and mock testing using JUNIT and Mockito frameworks.
• Configured an AWS Virtual Private Cloud (VPC) and Database Subnet Group for isolation of resources within the Amazon RDS Light AWS Aurora DB cluster.
• Worked in DevOps group running Jenkins in a Docker container with EC2 slaves in Amazon AWS cloud configuration.
• Integrated Jenkins with various DevOps tools such as Nexus, Sonarqube, Puppet, HP CDA, HP ALM and HP QTP.
• Migration of RHBI all Application source from SVN to GIT.
• Automated the cloud Deployments using Chef and AWS Cloud Formation Templates.
• Used Maven for building, creating JPA based entity objects and compiling GWT and GXT application.
• Created JSON, schema structure to map the database to Apache Kafka.
• Maintained the Source code using Team Foundation Server (TFS) in a multideveloperenvironment.
• Installed and configured RedHat jBPM on RedHat EAP with Postgres as backend database for development purpose on Linux servers.
• Configured, and deployed the applications on AWS EC2 instance, with Glassfish, Nginx, and Cassandra.
• Used JIRA, HipChat, Slack, zoom for project tracking and team communication.
• Developed Docker container based micro services using Spring Boot/Cloud and deployment on Kubernetes cluster.
• Developed Jenkins-Kubernetes deployment for dockerized microservices in Golang andPython.
• Utilized Travis CI for automated testing, continuous integration and continuous deployment to Heroku.
• Deployed Ansible and Jenkins to completely provision and manage AWS EC2 instances volumes DNS and S3.
• Hands on Experience in integrating Docker Swarm into Docker Engine to orchestrate and schedule containers.

Environment: Python, Django, ORM, microservices, pandas, flask,PythonAPI, Celery, Tornado, SQLAlchemy, JavaScript, HTML5, CSS3, Angular, React, Redux, machine learning, data science, TensorFlow, PyTorch, scikit-learn, NumPy, Ruby on Rails, Es6, typescript, JSON web tokenJava, Postgres, MySQL, SQL, PL/SQL, PostgreSQL, Cassandra, Rest, PyCharm, GitLab, Git, unit test, Selenium, Jest, mockito, Agile, Scrum, AWS EC2, S3, RDS, DynamoDB, Google Cloud Platform, Maven, JSON, TFS, Linux, Nginx, Slack, Zoom, Docker, Jenkins, Travis, Ansible, Kubernetes, Docker Swarm.

Confidential - Minnesota

Python Developer

Responsibilities:

• Designed and developed data management system using MySQL.
• Built application logic usingPython.
• Worked onPythonOpenstack API's usedPythonscripts to update content in the database and manipulate files.
• UsedPythonbased GUI components for the front end functionality such as selection criteria.
• UsedPythonand Django to interface with the JQuery UI and manage the storage and deletion of content.
• 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 withpythonand Django's view controller and templating language to create.
• Worked withPythonORM 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 usingpython, 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.
• Developed API's to read and publish data from Elastic search cluster using native Java Transport client as well as REST client.
• Performed authentication and authorization on a restful web API service tier using json web token.
• 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.
• Worked extensively with hipchat and Jira on UNIX platform for automation of application.

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

Confidential - Austin, Texas

Python Developer

Responsibilities:

• Developed Merge jobs inPythonto extract and load data into MySQL database.
• DevelopedPythonbatch processors to consume and produce various feeds.
• Excellent in writing customizedPythonscripts for automation, data parsing, database.
• Operations, data extraction, text manipulation, files parsing and reports generation.
• Updated an existing real time bidding platform (RTB) to conform to OpenRTB standards. Platform written inPythonwith Tornado, backed by Redis.
• Developed theming components and custom website components using PHP, Django, .Net, Java, and ColdFusion.
• Extensive experience inPythonweb frame works like Django, Pyramid and Flask in implementing MVC architecture.
• DevelopedPythonFramework using Django to perform scan software unit monitoring.
• UsedPython& Django creating graphics, XML processing of documents, data exchange & business logic implementation between servers.
• Developed an application using JavaScript for asynchronously calling ArcGIS rest services to get the feature count.
• Used JSP, JavaScript, JQuery, AJAX, CSS, and HTML as data and presentation layer technology.
• Used HTML5, bootstrap, CSS, Grid Gain, JBPM, Golang, JavaScript and Angular JS to Designed dynamic and browser compatible pages.
• Design software architecture from backend through frontend based on Client/Server Rendering, Universal Javascript, JSON Web Token and Immutable State, also optimize connection with graphql.
• Configured authentication mechanisms including SAML-based single sign on (SSO) and LDAP.
• In this application pyramid app engine provides a project skeleton for running Pyramid on Google App Engine.
• Implemented a sophisticated configuration module entirely programmed in Flex POJO based domain model integrated with Hibernate ORM for persistence.

Environment: Java, JSP, Struts, Oracle, MSSQL Server,Python, Django, HTML5, Javascript, CSS3, DOM, DOJO, Ajax, dynamic, RoR, GitHub.