Summary
Overview
Work History
Education
Skills
Certification
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Rajesh Acharya

Rajesh Acharya

Summary

Information Technology professional with over 20 years of experience Software Design and Development in Python (using Flask and Swagger). Migration of legacy back-end code from Perl and PHP to Python. Worked with various Databases such as Sybase, Oracle, Postgres, MongoDB, Couchbase, RedShift, and MySQL. Highly motivated and enthusiastic. Quick learner of new technologies. Diverse technical knowledge with strong verbal and written communication skills. System Administration on various flavors of UNIX/Linux Web Server Administration on Apache QA Testing, Debugging, and user documentation. Worked on Freelance projects for various small business Efficient organizational and analytical skills with attention to details. A self-starter with initiatives and an excellent team player.

Overview

25
25
years of professional experience
1
1
Certification

Work History

Technical Specialist

HCL Americas - Verizon Business
Irving, TX
10.2021 - 06.2023
  • Several security incidents require a response action if they are harmful incidents
  • This is the case where Security Operations team have to take an appropriate action by using Customer EDR tools
  • Response Automation will help MDR incidents to get auto closed where XSOAR will integrate with Customer Third party EDR tools and will take the appropriate action
  • GCP Budget and Enhanced Rule Engine
  • OCI migration to Lambda
  • Responsibilities
  • Investigate various API contents provided by Paolo Alto Network for various EDR (Crowdstrike, Cylance, Okta, etc) and document the requirements for building Response UI
  • Write custom scripts to extend capabilities of the commands provided by the API
  • Design the runbooks to utilize the custom scripts
  • Participate in KT sessions with QA group and MDR groups
  • Document all required steps involved with setup of EDR (end-to-end)
  • Work on various tasks GCP budget and mentoring new members on Python and Perl
  • Write APIs in Python that are used in Jenkins build process and in Verizon OneCloud System
  • Conversion of legacy code written in Perl and PHP to Python for OCI
  • Create lambda cron jobs for gathering metrics from GCP used for cost estimations
  • Unit and Integration testing for Metrics crawler scripts.

Python Developer

FliptRx
Jersey City, NJ
04.2020 - 07.2021
  • Flipt is determined to disrupt the status quo and invent a new kind of pharmacy benefit management
  • Their mission is to give plan sponsors an easy-to-implement benefits solution and plan members an easy-to-use platform that lowers costs by promoting price transparency and consumer choice while better aligning interests throughout the healthcare system
  • Continued work on various product initiatives decided during each sprint cycle
  • Primary development environment was Python 3.8
  • Also used third-party libraries such as Apache AirFlow, twillo-sendgrid, pandas, numpy, and couchbase
  • Technologies utilized were:
  • Python 3.9 with OOPS Fundamentals
  • Couchbase (for NoSQL database)
  • Amazon Redshift (Relational DB)
  • Git (for version control)
  • Develop unit and integration test scripts with PyTest
  • AWS EC2 (for dev, stage, and prod environments)
  • S3 (for storage)
  • Apache Airflow for job scheduling and monitoring
  • JIRA (for project status tracking)

Python Developer/Production Support

ACI Infotech - FliptRx
Jersey City, NJ
05.2019 - 03.2020
  • Flipt is determined to disrupt the status quo and invent a new kind of pharmacy benefit management
  • Their mission is to give plan sponsors an easy-to-implement benefits solution and plan members an easy-to-use platform that lowers costs by promoting price transparency and consumer choice while better aligning interests throughout the healthcare system
  • Worked on various product initiatives decided during each sprint cycles
  • Primary development environment was Python 3.6
  • Also used third-party libraries such as twillo-sendgrid, pandas, numpy, and couchbase
  • Also was responsible for release management and production support of back-end processes
  • Technologies utilized were:
  • Python 3.9 with OOPS fundamentals
  • Couchbase (for NoSQL database)
  • Briefly worked on the claim processing subsystem written in Flask and Django
  • Git (for version control)
  • Integrate with REST API (GraphQL) for user lookup
  • AWS EC2 (for dev, stage, and prod environments)
  • S3 (for storage)
  • JIRA (for project status tracking)

Python Developer

Spectrum Consulting - Sema4Genomics, Inc
, NY
08.2018 - 02.2019
  • Worked on the NIPT (Non-Invasive Prenatal Testing) dashboard to fix current issues and improve the UI experience
  • The UI dashboard was developed using Django framework and MySql database for storing the test results uploaded through batch processing
  • The system also uses Docker container to compartmentalize the CRON processes and web process
  • Also, worked on migrating the NIPT dashboard from Python 2.7 to 3.x
  • Technologies used:
  • Python, Django
  • MySQL, Docker
  • Git for source control
  • JIRA for ticketing

Python Developer

Tavant, Inc, Compass Inc
, NY
05.2018 - 08.2018
  • Worked on designing and writing custom Feed applications in Python for loading MLS (Multiple Listing Service) data from RETS (Real-Estate Transaction System)
  • The app connects RETS and retrieves MLS data for certain geo location and load the data into Mongo database RAW collection during ingestion based on property classes
  • The Feed application also consisted of the migration application that process the RAW and create the intermediate and published listing collections after merging geo-spatial data and retrieving additional information from REALTRACS for properties
  • Technologies used:
  • Python, RETS python libraries
  • MongoDB, AWS, and S3
  • GIT for source control
  • Gerrit for build and code review.

Application Architect V

DataInc - Bank Of America
Broadway, NY
04.2017 - 02.2018
  • Worked with Ozone, a strategic platform within the bank proprietary Quartz platform, to facilitate the operational process and management of filters that are utilized to control the trade data
  • These filtered data feed into the Risk, Collateral, and Capital calculations
  • The governance framework provides a centralized end-to-end workflow for management of filters/rules, whereas the Dynamic Rule Engine (DRE) provides a common framework to consistently apply the approved filters to control the trades across various consumers (credit, cva [credit valuation adjustment] and other valuation adjustment, imm (internal model method))
  • Participate in scrum/jira status meetings
  • Implement changes in various modules of Ozone (in Python)
  • Implement changes to existing filtering rules based on BA requirements
  • Implement new filters based on BA requirements
  • Provide DQ extracts to BAs for impact analysis
  • Load extracted data to databases for BAs for Analysis
  • Participate in validation post-release.

Support/Python Developer

Cognizant - JPMChase & Co
, NY
07.2016 - 02.2017
  • Worked in the support Group to manage and enhance Typhoon (in-house software change management) System
  • Based on user issues, update the backend python code to implement changes to fix the system
  • Worked with SVN and Jenkins to perform build of the Typhoon system for minor and major releases to production
  • Worked with MySQL database to improve data quality
  • Worked in a Linux environment using MySQL.

Tangoe, Inc
Parsippany, NJ
12.2009 - 06.2015
  • Developed Python deamon processes that filter, price, and load CDR data to Oracle DB
  • Wrote script in Python and Expect API for running commands/programs on remote servers
  • Worked with complete rewrite of filtering script in Python for a major client to process CISCO call manager IPT CDR records based on rules provided by client
  • Maintained and enhanced Python scripts for Chargeback and Rebill clients
  • Implemented services for new and existing clients
  • Created a tool using Java to extract table and data from DB2 database files
  • Great performance improvement in time over running the python script on windows
  • Developed wrapper scripts in Bash shell to automate execution of multiple Python scripts
  • Used Oracle SQLDeveloper to develop and design SQL queries for implementations
  • Provided support to other developers and groups on CDR related queries
  • Build a web interface pages in Php and Python to view status of CDR load
  • Wrote ad hoc Perl scripts for reporting.

Perl Developer

Strategic Staffing - Cigna, Corp
Philadelphia, PA
05.2009 - 11.2009
  • Wrote a complex daemon script in Perl to perform Quality Assurance on Health-related files according to business logic/rules
  • The script monitors input directory for files to be audited as per mapping information
  • Process the file in a separate thread independently according to file layout
  • Use Semaphores and shared memory for tracking status on various running tasks (ie: progress and lines processed)
  • Email report on failed audits to respective business group
  • Built secondary monitor tool which could be used to view running processes.

UNIX/System Engineer

Telcordia Technologies
Piscataway, NJ
07.2008 - 02.2009
  • Worked on a project that involved moving an AOS (Area of Service) cluster servers from one SPACE (Database Server) to another SPACE
  • Prepared MOP (Method of Procedure) documentation to "SWING" the AOS (Area of Service) nodes from a source SPACE (DB) to a new target SPACE (DB).

Programmer Analyst

Infosys - Goldman Sachs
Jersey City, NJ
01.2008 - 05.2008
  • Worked in the Equity Middle-Office Department to enhance various build scripts and tools
  • Was responsible for running automated test scripts and Production Support
  • Analyzed application requirements and creating JILs for use with Autosys
  • Configured in-house packaging application on Tomcat and Apache
  • Developed new tools to be used for test automation using Perl and UNIX Shell.

Programmer Analyst

DowJones and Company
South Brunswick, NJ
02.2007 - 12.2007
  • Supported a re-engineering/porting project for internal Web-based DAMS (Digital Assets Management System)
  • Re-engineered various application related spooler scripts written in shell and Perl
  • Engineered a generic install script in bash shell for installing and deploying the CPAN modules for DAMS (Digital Asset Management System) and other related projects.

Sr. System Engineer

Comcast Communications
Mount Laurel, NJ
07.2006 - 12.2006
  • Worked with the PPT group to automate the software upgrade process
  • Automated the process for installing patches for the Cisco SoftSwitches (BTS 10200 - Call Agent and EMS)
  • Reduced time required for manual patch updates by 50%
  • Engineered scripts in Perl to install/uninstall Cisco's patches on the appropriate servers

Programmer Analyst

Comcast Communications
Mount Laurel, NJ
07.2004 - 04.2006
  • Used Perl and LDAP programming to develop scripts for quality auditing and reporting
  • Assisted with complicated data cleanup of legacy subscriber data
  • Provided production support on the Data Migration Team
  • Certified new cable modems for DOCSIS for Comcast
  • Documented procedures for performing certification wave, and setting up CVS.

System Administrator/Developer/Technical Staff

AT&T
Piscataway, Middletown, NJ
06.1998 - 05.2003
  • AT&T is the largest communications holding company in the world by revenue
  • AT&T offers one of the world's most advanced and powerful global backbone networks, carrying 17.6 petabytes of data traffic on an average business day
  • Provided technical support for the CDDS-II (Call Detail Data Systems), one of the many back-end systems for collecting call details for billing
  • Provided Tier-III Production Support for the CDRP (Call Detail Recording Platform)
  • Maintained tools used for simulating call traffic using C language in the CDRP project
  • Maintained production-like environment in lab for analysis of field issues
  • Performed system integration tests for new releases and features of CDRP
  • Lead the project effort to phase out the NCR Communication servers
  • Performed Source Control and Version Control Administration (Sablime)
  • Installed and configured Netscape iPlanet Enterprise Web Server to serve application
  • Performed System Administrator of twelve HP9000 (C, D, and R series) servers used for development and testing.

Education

Bachelor of Science - Computer Science

East Stroudsburg University
East Stroudsburg, PA
05.1993

Skills

TECHNICAL SKILLS

  • Big Data:
  • Hadoop, Hive, PIG, Oozie, Spring Batch

Databases:

  • Oracle, MSSQL, MySQL, Sybase, HIVE

Applications:

  • Tomcat, Weblogic 70, Microsoft SNA Server, MS Visio
  • Web Servers:
  • Apache, MS IIS, iPlanet, Netscape Enterprise Server
  • Protocols:
  • TCP/IP (FTP, HTTP, SSH, DHCP, SNMP, SMTP, LDAP)

Monitoring:

  • HAWK

Scheduling:

  • AutoSys, Cron, Oozie

UNIX Tools:

  • Grep, awk, sed, tar, mailx, find, sam, cut, diff

Scripting:

  • Python (V27 and 3x) Bourne, Korn, Perl, Expect, and C Shell

Programming:

  • C/C, Visual Basic, JavaScript/Java, Pascal, Expect, HTML, TCL/TK, SQL, YACC, LEX, MapReduce, PIG

Network:

  • NIS, NFS, DNS, SAMBA

Messaging:

  • IBM MQ Series

Version Control:

  • CVS, GIT

OS:

  • RedHat Linux, CentOS, AIX, BSD, Windows NT/XP/Vista

Certification

Big Data and Hadoop Certification Python Programming Certification BrainBench Certified for UNIX Korn Shell Scripting, JavaScript, HTML, JAVA2 Fundamentals, RDBMS Concepts, Web Design Concepts, Oracle PL/SQL Fundamentals, and Bash. Sun Certified System Administrator for Solaris 8. Attended training for BEA WebLogic 7.0 Administration.

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Quote

The way to get started is to quit talking and begin doing.
Walt Disney

Timeline

Technical Specialist

HCL Americas - Verizon Business
10.2021 - 06.2023

Python Developer

FliptRx
04.2020 - 07.2021

Python Developer/Production Support

ACI Infotech - FliptRx
05.2019 - 03.2020

Python Developer

Spectrum Consulting - Sema4Genomics, Inc
08.2018 - 02.2019

Python Developer

Tavant, Inc, Compass Inc
05.2018 - 08.2018

Application Architect V

DataInc - Bank Of America
04.2017 - 02.2018

Support/Python Developer

Cognizant - JPMChase & Co
07.2016 - 02.2017

Tangoe, Inc
12.2009 - 06.2015

Perl Developer

Strategic Staffing - Cigna, Corp
05.2009 - 11.2009

UNIX/System Engineer

Telcordia Technologies
07.2008 - 02.2009

Programmer Analyst

Infosys - Goldman Sachs
01.2008 - 05.2008

Programmer Analyst

DowJones and Company
02.2007 - 12.2007

Sr. System Engineer

Comcast Communications
07.2006 - 12.2006

Programmer Analyst

Comcast Communications
07.2004 - 04.2006

System Administrator/Developer/Technical Staff

AT&T
06.1998 - 05.2003

Bachelor of Science - Computer Science

East Stroudsburg University

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