PROFESSIONAL SUMMARY:

• 8+ years of experience as Python Developer in various domains including Telecom, Networking, Financial and Automotive.
• Have strong knowledge in different phases of SDLC and experience in Agile Scrum work flow.
• Worked with different languages and environments. Like Python (2.x, 3.x), Shell, Java,SQL, REST Architecture, Windows, Linux.
• Worked on client - server architecture-based enterprise application software in Python, Java.
• Developed web applications and implemented Model View Control (MVC) architecture using server-side applications like Django, Flask.
• Worked with python libraries like requests, urllib, numpy, pandas, matplotlib, pickle, and more.
• Have working knowledge of Hadoop, Big Data, ETL and AWS.
• Expertise in configuration, logging and exceptional handling.
• Managed and reviewed Hadoop log file and worked in analysing SQL scripts and designed the solution for the process using PySpark.
• Have used Information Retrieval and ML tools like Nutch, Tika, Lucene, ElasticSearch, Scikit learn.
• Experience in agile environment using a CI/CD model methodology.
• Designed front end using HTML, JavaScript, Twitter Bootstrap, Node JS, and CSS.
• Worked with different SQL and NoSQL databases like MySQL, PostgreSQL, and MongoDB.
• Proficient withSQL queries, andperforming DDL/DML operations on the database.
• Experience with various Automation scripts, Selenium, Robot Frameworks, and CustomPython Scripts.
• Experience using Memcached, Rediscaching mechanisms for large scale applications.
• Used RabbitMQ messaging framework.
• Used various debuggers like pdb, gdb and static analysis tools like pylint, Coverity
• Developed XML Schema documents and implemented framework for parsing XML documents.
• Worked on various applications using IDEs like PyCharm, NetBeans and Eclipse.
• Have used Rally, Jira bug tracking and reporting systems.
• Have used SVN and distributed version control system Git/GitHub.
• Attentive to cyber security and data protection.
• Highly motivated team player with excellent analytical and problem-solving skills.

TECHNICAL SKILLS:

Programming Languages: Python (2.7, 3.x), Core Java, C/C++, JavaScript, Shell Scripting

Operating Systems: Windows XP/7, Sun Solaris, RHEL, Ubuntu, Centos, Mac

Python Technologies: django, flask, beautiful soup, urllib, requests, jinja2, numpy, pandas, matplotlib, pickle, and more

Development Tools: AWS, Docker, Sublime Text, Eclipse, PyCharm, Jenkins, Coverity, etc.

Databases: MySQL, PostgreSQL, MongoDB

Version Controls: SVN, Git

PROFESSIONAL EXPERIENCE:

Software Engineer, Automation

Confidential, San Ramon, California

Responsibilities:

• Worked on VoIP Cloud Contact Center, WebRTC, and UCAvaya applications.
• Developed micro services using Python, Flask and have written scripts to automate processes.
• Written algorithms and complex SQL queries, optimized the existing ones.
• Developed Test cases based on the technical specifications and business requirements.
• Followed agile techniques, attended daily standup meetings, and reviewed user stories.
• Used QA techniques to test, review and modify code, queries, server configurations, etc. to improve the performance of the code/application.
• Performed Load/Performance testing to analyze application servers’ ability during the stressed conditions.
• Tested the application which is internally using VoIP. Extensively involved in manual testing, log analysis.
• Performed Functional Testing, Regression Testing and User Acceptance Testing for WebRTC, UC Avaya and manual testing for AMD, and spot testing for both inbound and outbound call scenarios.
• Have done extensive analysis on AMD, IVR, TTS, DTMF routing for different call scenarios and for Inbound, Outbound and Autodial campaigns.
• Worked closely with Software Test Manager, Technical Architect, VP of Engineering and Performance Engineer on application’s performance evaluation and optimization.
• Automated agent registration and station connect.
• Captured packets using tools to understand and analyze network flow to troubleshoot or make changes to the code, servers when necessary.
• Performed VOIP testing to analyze traffic, voice quality etc. Helped to certify cloud based VOIP solution in terms of basic usability/load/performance/audio quality.
• Debugged network/protocol issues independently and figured where things are going wrong.
• Worked with various new and existing Telephony/VoIP protocols like SIP, SDP, TCP, RTP, SRTP, MGCP, etc.
• Performed tests using VoIP tools IP-PBXs (X-Lite), SIP phones (Hard Phones and Soft clients), sipp.
• Validated applications performance during peak load by analyzing system memory, threads, network and CPU using various monitoring tools.
• Troubleshoot inbound and outbound call flow issues on Linux servers.
• Analyzed test results and written reports for possible improvements in the system.
• Used Rally (CA Technologies) for user stories, test cases, bug tracking and defect management.

Environment: Python 3.6, Java 1.8, Flask, Linux (CentOS 6, 7), AWS eServers (CentOS 7), Tomcat, MySQL DB, Agile, Wireshark, T-Shark, tcpdump, SIP, sipp, X-Lite, Spring Tool Suite (STS), Tableau, PyCharm, Eclipse, Manual and Automation Testing, Git, Rally, Jenkins.

Sr. Python Developer

Confidential, FL

Responsibilities:

• Developed, tested and debugged software tools utilized by clients and internal customers.
• Coded test programs and evaluated existing engineering processes using Python Unit test.
• Designed and configured MySQL database and back end applications and programs.
• Developed elaborate Python scripts to migrate data from proprietary database to MySQL.
• Designed and developed Django application for REST services to serve user, account information.
• Generated various reports by connecting to databases, written elaborate queries to extract the necessary information.
• Involved in Automation Infrastructure Development using Selenium.
• Performed research to explore and identify new technological platforms.
• Collaborated with internal teams to convert end user feedback into meaningful and improved solutions.
• Migrated infrastructure from in-house servers to AWS cloud. Used Docker Container, EC2, IAM, RDS, Route 53, REST API gateway and Lambda of AWS.
• Resolved ongoing problems and accurately documented progress of Python project.
• Parsed, extracted XML documents and loaded data into database using Python scripts.
• Used Memcached for caching the data.
• Generated SWIG interfaces to co-ordinate between C++ and Python.
• Debugged and tested the applications & fine-tuned the performance.
• Used Matplotlib to plot the two-dimensional graphs of test performance.
• Provided maintenance support in production environment.
• Oversaw web-based applications testing and Supervised test estimation and approval processes.
• Developed automated test suites and engines. Involved in Regression Testing using Selenium.
• Performed design reviews for continuous improvement in meeting client goals and needs.
• Integrated OpenGrok into development environment for making source code visible across the organization.
• Followed agile development methodologies and took part in weekly team scrums and standup meetings.

Environment: Python (2.7, 3.x), Django (1.8, 1.10), AWS, Docker, Java 8, MySQL (5.7), MongoDB, UNIX, Shell Scripting, Matplotlib, WebLogic Application Server (12.2.1.1, .2), Selenium (3.4.x, 3.5)

Python Engineer

Confidential, IL

Responsibilities:

• Developed and maintained Python ETL scripts to scrape data and load cleansed data into a DB.
• Monitored DB SQL statements and their timings, for performance concerns optimized long running queries, minimized table locks, etc.
• Worked on HDFS file system and used Spark to work on large data sets.
• Designed database using Erwin and Python/Django for DB scheme scripting.
• Worked on JSON, XML, and file data. Worked on SOAP Web Services.
• Designed MDM integration facilities (SOA-style)
• Developed SOAP client for testing MDM to SAP R/3 interoperation.
• Developed scheme and data level database testing and data automation tool.
• Developed data cleansing, retrieval, migration tools (ETL).
• Analyzed stakeholders needs and developed software tools to aid dynamic site content creation.
• Used NumPy, SciPy, Pandas for data analysis - manipulation, visualization.
• Used Amazon ElastiCache Redis for in-memory caching of data.
• Worked on SQL Workflow System. Using Python created an adapter allowing communication between SharePoint lists and SSIS packages. This system provides users the ability to create complex automation workflows.
• Worked on Information Retrieval and Machine Learning, have used tools Apache Nutch, Solr, Lucene, Elasticsearch, Scikit learn.
• Worked on Excel Batch uploader, software that quickly uploads large batches of Excel Workbooks into SQL databases, while providing sanitizing and validation services.
• Enforced SQL Naming Conventions using Python. Created a server job that enforces naming conventions for all SQL objects.
• Created an excel interface to search for info through databases using Python and xlwings package.
• Used git and Jira in this development environment.
• Used Agile Methodology and SCRUM process.

Environment: Python 2.7, Django (1.5, 1.7), SQL, Erwin, Spark, PostgreSQL (9.3, 9.4), ETL, Pandas (0.16.x), NumPy (1.8.x, 1.9.x), SciPy 0.15.1, SOAP, XML

Python Developer

Confidential, Dearborn, MI

Responsibilities:

• Requirement gathering and analysis phase of project in documenting the business requirements by conducting workshops/meetings with various business users.
• Complete software development was designed and implemented using Agile Methodology and SCRUM Process.
• Used Django/Python web-framework to develop application.
• Used MVC framework to build modular & maintainable applications.
• Performed UI automation testing using selenium web driver.
• Designed and developed transactions and persistence layers to save/retrieve/modify data for application functionalities using Django and MySQL.
• Automated data movements using python scripts.
• Involved in splitting, validating and processing of files.
• Involved in building database Model and Views utilizing Python, to build an interactive web-based solution.
• Used AWS for application deployment and configuration.
• Written shell scripting for automation.
• Designed database schema design and defined relationships between tables.
• Provided technical assistance for maintenance, integration and testing of software solutions during development and release processes.
• Developed UI screens using HTML, CSS, AJAX, JavaScript and jQuery
• Applied unit test framework for testing code regressively.
• Ensured quality by versioning with Git.

Environment: Python 2.7, Django, Amazon (AWS, EC2, S3), MySQL, Selenium, JIRA, Linux, Shell Scripting, GIT.

Software Engineer

Confidential

Responsibilities:

• Worked with the stakeholders, gathered requirements, developed high level design documents.
• Designed and developed components using Python.
• Implemented code in python to retrieve and manipulate data.
• Used MySQL database. Implemented database access libraries and apis to fetch required info.
• Re-engineered various modules for implementing changes and creating efficient system.
• Developed rich UI web application using JavaScript libraries like jQuery UI.
• Used Restful APIs to access data from different suppliers.
• Support the scripts configuration, testing, execution, deployment and run monitoring and metering with shell programs.
• Used Python and Django to develop this web application, processed XML formatted data, and performed data exchange and business logic implementation between servers.
• Used Restful API's to gather network traffic data from servers.
• Supported Apache Tomcat web server on Linux Platform.
• Performed debugging and unit testing.
• Developed and executed User Acceptance Testing portion of test plan.

Environment: Python, HTML, Restful API, MySQL, Shell Scripting, Linux