Name: Atharva
Email: ad4s3k@r.postjobfree.com
Contact: +1-470-***-****
Python/AWS Developer
PROFESSIONAL SUMMARY:
●7+ years of experience in Design, Development, Implementation of Python, Django, JavaScript and client - server technology based applications.
●Experienced in developing web based applications using HTML/HTML5, DHTML, CSS/CSS3, JavaScript, Angular JS, AJAX, XML and JSON.
●Designed and implemented large scale business critical systems using Object Oriented Design and Programming concepts using Python and Django.
●Experience on ETL and ELT Tools like SQL Server Integration Services (SSIS), also have knowledge in Data Migrator (IBI).
●Worked on standard python packages like boto and boto3 for AWS.
●Hands on Experience in AWS like Amazon EC2, Amazon S3, Amazon Redshift, Amazon EMR and Amazon SQS.
●Worked on several standard python packages like Numpy, MatPlotLib, Pickle, PySide, Scipy, wxPython, PyTables etc.
●Worked on various applications using python integrated IDEs Eclipse, PyCharm, NetBeans and Geany.
●Good experience in developing web applications and implementing Model View Control (MVC) architecture using server side applications like Django, Flask and Pyramid.
●Well versed with design and development of presentation layer for web applications using technologies like HTML, CSS, and JavaScript.
●Implemented responsive web pages using HTML5/CSS3, BootStrap and XML/JSON based SOAP and REST web services.
●Good experience in handling errors/exceptions and debugging the issues in large scale applications.
●Hands on experience working in WAMP (Windows, Apache, MYSQL, and Python/PHP) and LAMP (Linux, Apache, MySQL, and Python/PHP) Architecture.
●Experienced in using Caching applications for large scale applications like Memcached, Redis.
●Experienced in working Asynchronous Frameworks like NodeJS, Twisted and designing the automation framework using Python and Shell scripting
●Expertise in working with different databases like Oracle, MySQL, PostgreSQL and Good knowledge in using NoSQL databases MongoDB (2.6,2.4)
●Proficient in developing complex SQL queries, Stored Procedures, Functions, Packages along with performing DDL and DML operations on the database.
●Proficient in Automated Verification and Validation testing tools.
●Hands on Experience in Verification and Validation testing project schedules.
●Excellent working knowledge in UNIX and Linux shell environments using command line utilities.
●Expertise in Production support and knowledge of deployment using AWS, Heroku and Jenkins.
●Experience working in both Water fall and Agile software methodologies.
●Familiarity with development best practices such as code reviews, unit testing, system integration testing (SIT) and user acceptance testing(UAT).
●Hands on experience in working with various Version Control Systems, mostly GIT, CVS and subversion SVN.
●Involved in all the phases of Software Development Life Cycle (SDLC) using Project management tools JIRA, Redmine and Bugzilla.
●Expertise in Verification and Validation tools for coding used in Python.
●Highly motivated, quality minded developer, with proven ability to deliver applications against tight deadlines.
●Possess good interpersonal, analytical presentation Skills, ability to work in Self-managed and Team environments.
TECHNICAL SKILLS:
Languages: Python, C#, C++, C, SQL, Java, ASP.net
Web Development: HTML, CSS, Javascript, AJAX
Frameworks: Django, Flask, CherryPy, Pyramid, NodeJS, Angular JS, JSP, Numpy, Matplotlib, Servlets
Servers: Apache
Databases: PostgreSQL, MySQL, Cassandra, Redis, MongoDB, SQL Server
Tools: Git, SVN, Mercurial, Memcached, Jira, SSIS, Data Migrator
IDE: Notepad++, Eclipse, IDLE, Geany, Pycharm, Liclipse
Cloud Platforms: AWS, Heroku
PROFESSIONAL EXPERIENCE:
Sanofi – Cambridge, MA July 2022 to Present
Role: Software Engineer (Python/AWS)
Responsibilities:
●Gathered data files from Data Warehouse URL’s.
●Developed file cleaners using Python libraries and made it clean.
●Utilized Python Libraries like Boto3, numpy for AWS.
●Using raw files loaded data files from URL’s to Amazon S3 Bucket.
●Worked on reading queues in Amazon SQS, which have paths to files in Amazon S3 Bucket.
●Aggregate clean files in Amazon S3.
●Generated Python Django forms to record data of online users and used PyTest for writing test cases.
●Implemented and modified various SQL queries and Functions, Cursors and Triggers as per the client requirements.
●Clean data and processed third party spending data into maneuverable deliverables within specific format with Excel macros and python libraries such as NumPy, SQLAlchemy and MatPlotLib.
●Used Pandas as API to put the data as time series and tabular format for manipulation and retrieval of data.
●Helped with the migration from the old server to Jira database (Matching Fields) with Python scripts for transferring and verifying the information.
●Analyze Format data using Machine Learning algorithm by Python Scikit-Learn.
●Experience in python, Jupyter, Scientific computing stack (numpy, SciPY, pandas and MatPlotLib).
●Perform 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.
●Write Python scripts to parse JSON documents and load the data in database.
●Generating various capacity planning reports (graphical) using Python packages like Numpy, MatPlotLib.
●Analyzing various logs that are been generating and predicting/forecasting next occurrence of event with various Python libraries.
●Developed single page application by using Angular JS backed by MongoDB and NodeJS.
●Design and maintain databases using Python and developed Python based API (RESTful Web Service) using Flask, SQL Alchemy and PostgreSQL.
●Built various graphs for business decision making using Python mat plotlib library.
●Involved in development of Web Services using SOAP for sending and getting data from the external interface in the XML format.
●Export Test Case Scripts and modified the selenium scripts and executed in Selenium environment.
●Developed entire frontend and backend modules using Python on Django Web Framework.
●Scraping website using Python Beautiful Soup, and then parsed it with XML.
●Outputting the parsed data as JSON/BSON and stored into MongoDB
●Used NLTK and StanfordNLP to process text data and created offline intelligence.
●Used Amazon EMR for map reduction jobs and test locally using Jenkins.
●Also worked on Amazon EC2 Clusters to deploy files into Buckets.
●Worked on Matillion ETL Tool, used it to transfer and load data into Amazon Redshift.
●Mentored and provided technical guidance to other test engineers as necessary during verification and validation activities
●Developed and maintained the Verification and Validation group’s project schedules and roadmap ensuring project on schedule.
●Experienced in Agile Methodologies and SCRUM Process.
●Exported/Imported data between various data sources.
●Created database using MySQL, wrote several queries to extract/store data.
Elphi - Boston, MA May 2019 to Aug 2021
Role: Software Engineer (Python)
Responsibilities:
●Analyzed and gathered business requirements specifications by interacting with client and understanding business requirement specification documents.
●Developed the presentation layer using HTML, CSS, JavaScript, JQuery and AJAX.
●Used JQuery libraries for all client side JavaScript manipulations.
●Utilized Python libraries wxPython, numpy, Twisted and MatPlotLib.
●Implemented SQLAlchemy which is a python library for complete access over SQL.
●Worked on Element Tree XML API in python to parse XML documents and load the data in database.
●Skilled in collections and used for manipulating and looping through different user defined objects.
●Developed views and templates with Python and Django’s view controller and templating language to created user-friendly website interface.
●Used Django configuration to manage URLs and application parameters.
●Created entire application using Python, Django, MySQL and Linux.
●Used Amazon Elastic Beanstalk with Amazon EC2 to deploy project into AWS.
●Accessed database objects using Django Database APIs.
●Generated Python Django Forms to record data of online users.
●Implemented Data tables to add, delete, update and display patient records and policy information using PyQt.
●Implemented a module to connect and view the status of an Apache Cassandra instance using python.
●Developed MVC prototype replacement of current product with Django.
●Improved the Data Security and generated report efficiently by caching and reusing data.
●Created UI using JavaScript and HTML5/CSS3.
●Managed datasets using Panda data frames and MYSQL. Queried the database queries using Python-MySQL connector and retrieved information using MySQL db.
●Recorded the online users data using Python Django forms and implemented test case using Pytest.
●Developed the application using the Test-driven methodology and designed the unit tests using Python Unit test framework.
●Created database using MySQL, wrote several queries to extract/store data.
●Exported/Imported data between various data sources.
●Integrated data from multiple applications using ETL and ELT tools like SSIS.
●Experienced in Agile Methodologies and SCRUM Process.
●Identified several hidden bugs caused by complicated multithreading issues such as race conditions caused by asynchronous events and resolved them.
●Responsible for debugging and troubleshooting the web application.
●Took part in the entire project’s lifecycle which includes Design, Development and Deploying, Testing, Implementation and support.
●Used Design patterns efficiently to improve the code reusability.
●Coordinated with the offshore development team and assisted them when required.
Environment: Python 2.7, Django 1.6, CSS, HTML, JavaScript, JQuery, AJAX, MYSQL, Linux, AWS, GIT.
Delta Airlines, Atlanta, GA January 2018 – April 2019
Role: Python Developer
Responsibilities:
●Implemented user interface guidelines and standards throughout the development and maintenance of the website using the HTML, CSS, JavaScript and JQuery.
●Implemented AJAX for dynamic functionality of web pages for front end applications.
●Worked on front end frameworks like CSS Bootstrap for responsive web pages.
●Developed and tested many features for dashboard, created using Bootstrap, CSS, and JavaScript.
●Worked on server side applications with Django using Python programming.
●Used Pandas for a data alignment and data manipulation.
●Utilized standard Python modules such as csv, itertools and pickle for development.
●Worked on Python OpenStack APIs and used Numpy for Numerical analysis.
●Used Ajax and JQuery for transmitting JSON data objects between frontend and controllers.
●Developed Wrapper in Python for instantiating multi-threaded application.
●Developed views and templates with Python and Django's view controller and templating language to created user-friendly website interface.
●Deployed project into Amazon web services (AWS) using amazon elastic bean stalk.
●Managed datasets using Panda data frames and MySQL, queried MYSQL database queries from python using ETL and ELT tools like SSIS.
●Created web application prototype using jQuery and Angular JS.
●Deployed the project into Heroku using GIT version control system,
●Maintained and Updated the application in accordance to the clientele’s requirement
●Used JIRA for bug tracking and issue tracking.
●Added several options to the application to choose particular algorithm for data and address generation.
●Developed the project in Linux environment.
●Used Agile Methodology and SCRUM Process.
●Maintained the versions using GIT and sending the release notes for each release.
●Supported the issues seen in the tool across all the teams for several projects.
Environment: Python 2.7, Django 1.4, CSS, HTML, BOOTSTRAP, JavaScript, JQuery, AJAX, MYSQL, Linux, AWS, GIT.
Beyondsoft – Hyderabad, Telangana June 2017 to December 2018
Python/Django Developer
Responsibilities:
●Used Agile Methodology and SCRUM Process.
●Responsible for gathering requirements, system analysis, design, development, testing and deployment.
●Participated in the complete SDLC process.
●Developed Business logic using Python 2.7
●Used Django framework for database layer development.
●Developed user interface GUI using CSS, HTML, JavaScript and JQuery.
●Responsible for setting up Python REST API framework using DJANGO.
●Created database using MySQL, wrote several queries to extract data from database using ETL and ELT tool (SSIS).
●Used Memcache as in memory key-value pair database to reduce traffic to database server.
●Wrote scripts in Python for automation of testing jobs.
●Deployment and Build of various environments including Linux and UNIX
●Installed and maintained web servers Tomcat and Apache HTTP (1.3, 2.2) Web servers in Red Hat Linux.
●Used web services for integration and testing.
●Jira is used as project management tool for issue tracking and bug tracking.
●Implemented monitoring and established best practices around using elastic search.
●Effectively communicated with the external vendors to resolve queries.
●Used GIT for the version control and deployed project into AWS.
Environment: Python 2.7, Django 1.4, C++, JSON, XML, SOAPUI, HTML, Restful API, Shell Scripting, SQL, MySQL, AWS, GIT, Linux.