Summary
Overview
Work History
Education
Skills
Certification
Operatingsystems
Hardwareplatforms
Ide
Rdbms
Awards
Publications
Training
Applicationandwebservers
Proxyanddirectoryservers
Timeline
Generic

Sanjiv Kumar

Erie,United States of America

Summary

Adept Senior Lead Software Developer and Architect with a proven track record at Lumen Technologies and Sun Microsystems Inc., specializing in JAVA, REST, and innovative solution design. Demonstrates exceptional problem-solving and leadership skills, significantly enhancing product functionality and user experience.

Overview

27
27
years of professional experience
1
1
Certification

Work History

Staff Software Engineer

DHI Group Inc.
Greenwood Village, CO
08.2021 - Current
  • Started the team, which created multiple REST APIs to be used by Dice iOS and Android app
  • APIs were written in TypeScript and was deployed as Lambda on AWS
  • Lambda was triggered by API Gateway
  • For caching purpose ElastiCache was used
  • Redis was used because of the data that we needed to store extended TTL
  • APIGateway was configured to authorize API with another Lambda Authorizer
  • JWT was used as access token to authorize users, which was obtained from other service
  • Other AWS services used were CloudWatch for logging and monitoring and System Manager Parameter store
  • SNS and SQS for subscribing data from another domain

Senior Lead Software Developer and Software Architect

Lumen Technologies
04.2011 - 08.2021
  • Company Overview: Previously CenturyLink/Level3 Communications
  • Worked on developing iSE (Network Designer) Tool for Sales Engineers (SE)
  • This tool replaced the use of Microsoft Visio and worksheets by Sales Engineers to design Network
  • This Application provides SEs to create design by drag and drop of site and products
  • They can enter all attributes for products and sites using nicely designed forms
  • Application also provides map views to display locations and network
  • ISE is a Single Page Application developed using ExtJs, jQuery, Dojo, JavaScript, CSS and SVG on the client side
  • Worked on Full Stack development and wrote several REST APIs which were consumed by Rich Client using AJAX
  • Developed iPad application called SPOT for Sales Organization
  • SPOT is a game changing mobile sales tool on the iPad that has made waves in sales organization
  • SPOT allows sales organization to quickly identify hot prospects and provides everything they need to make the sale including custom presentation materials, videos, and financial insight
  • Main modules are Learn, Present, Prospect, Quote and Customer
  • We wrote the application in Objective-C using XCode
  • Application consumed REST service written in Java
  • REST was deployed on Tomcat webserver
  • I worked on UI as well as Service of the application
  • I designed the REST API for the application which was deployed in Enterprise Service Platform
  • Cross Platform app development using Marmalade
  • Code was developed using C++
  • Created REST services for iPhone-based application for Mobile Trouble Ticketing
  • Previously CenturyLink/Level3 Communications

Architect

Comcast
08.2009 - 04.2011
  • Design and development of web services used by several consumers to retrieve address information, serviceability, MSAG data and Geo coded information
  • Service was deployed in data center behind layer of OSB
  • Used Java and Spring Web Service Framework to implement web services
  • Design XML schema and WSDL using XML Spy
  • All testing was done using SOAP UI

Architect and Developer

Sun Microsystems Inc.
04.2007 - 08.2009
  • Worked as an architect and developer for largest implementation of Oracle application in e-business complex
  • I was involved in design of application called Global Backlog Management and Oracle Shipment Planning
  • Oracle Application Server 10.1.3 was used for deploying Enterprise Java Beans
  • Worked on Partner applications integration through Web Services and was involved in multi factor stronger partner authentications, which included integration with Verisign Identity Protection
  • In this project I was also involved in setting up and configuring proxy server, directory server, Oracle Application Server 10.1.3 for applications within e-biz complex
  • Worked on several interfaces to integrate with Oracle 11i
  • Supported Contract First application written by me in J2EE architecture which involved EJB and Oracle database 9.2.3

Architect

FISERV, Inc.
07.2006 - 04.2007
  • Worked as an Architect for the product, which serves Property and Casualty and Worker’s Compensation Industry
  • This is a J2EE based product
  • I was involved in enhancement of the product
  • Application server used was JBOSS

Principal Engineer

Sun Microsystems Inc.
Broomfield, CO
01.1998 - 08.2006
  • Managed several projects through its complete lifecycle
  • I was involved in interaction with team members, stakeholders, IT Service Management and IT Operations to accomplish this
  • Projects included suite of very complex applications and interfaces
  • Followed Sun Project Lifecycle methodologies and made sure that development and other standards were maintained
  • This also involved working with offshore team of CSC, and teams in US, EMEA, Asia Pacific and Latin America for successful implementation of the project
  • Created architecture for various applications using J2EE and client server technologies
  • Reengineered worldwide applications to J2EE architecture using enterprise java beans with synchronous communications
  • A suite of applications gets service from EJB running on one application server
  • Managed Project and lead a team of developers for the design and development of web based local language applications
  • This application helped in translating address from English to local language in Asia Pacific
  • Involved in interactions with business and external vendor – ICESOFT
  • This application helps users in Asia pacific (Japan, Korea, China, and Taiwan) in translating addresses in English to local language like Traditional Chinese, Simplified Chinese, Korean and Japanese
  • This application was developed using JSP, HTML, CSS2, Java Beans and Oracle
  • Worked with logistics business team in reengineering logistics process where there were a lot of interactions with external vendors, users and senior management was involved
  • Our work on this project led Sun to eliminate two major distribution warehouses saving millions of dollars
  • Designed and developed several interfaces interfacing vendors system to Sun’s system using PERL, Shell, information-highway
  • This also involved development of user interfaces for users outside of Sun Wide Area Network using web-based application called OEMPO

CMC Ltd.
- 01.1998
  • Company Overview: USA and India
  • Worked at Vision Software Tools Inc
  • Worked on ORACLE 7.3 and Visual Basic for the implementation of a business rules-based client-server application.
  • Operating System was WINDOWS NT 4.0
  • Worked on a project for Tanzanian Railways, Tanzania as a Technical Manager Did Technical Study of the requirements about Materials Management System
  • Customization and addition to software developed by us for Materials Management System to suit the requirements of Tanzanian Railways
  • Project was on ORACLE 7.3, Power Builder 4.0
  • Backend was UNIX and front end was on WINDOWS 95
  • Worked for project for National Archive Malaysia
  • Project was in ORACLE 7.3 and Power Builder 4.0
  • Operating System for the Backend was UNIX and for the front end was Windows 3.11
  • It had several modules like Acquisition, Accession, Restoration, Library System and Security
  • Developed a Package called Materials Management System and Equipment Maintenance System
  • Development was done using ORACLE 7.1 and Power Builder 4.0
  • Operating System at the backend was UNIX and at the front end was WINDOWS 3.11
  • This was implemented in Rajasthan State Mine and Minerals Corporation India
  • Involved in Study, Design and Development of Package called CRYSTAL
  • Package includes Long Term and Short Term Production Scheduling using Dynamic Programming
  • Mathematical Modeling and other Engineering Applications that includes generation of 2D and 3D graphical views
  • Package was developed mainly on UNIX with C and FORTRAN
  • It was implemented on SUN OS, SCO UNIX and DOMAIN UNIX
  • Wrote Device Driver for A0 Suma Sketch Professional II digitizer
  • A4 Calcom Digitizer and post script for the HP plotter using HPGL2
  • Package was implemented in many countries
  • Designed and Algorithm for the Truck Dispatch System
  • Designed and developed the Software which takes care of the dynamic allocation of Dumpers / Trucks to Shovels which leads to increase in production
  • Software was developed using C and UNIX
  • Various MIS reports were also generated
  • USA and India

Education

MBA -

University of Colorado at Denver

MS - Finance

University of Colorado at Denver

BS - Engineering

Indian Institute of Technology

Skills

  • JAVA
  • TypeScript
  • J2EE
  • REST
  • ExtJS
  • Objective C
  • EJB
  • Struts
  • SPRING Framework
  • Web Services
  • JAX-RPC
  • WSDL
  • SOAP
  • XML
  • ANT
  • C/C
  • HTML
  • UML
  • JavaScript
  • JSP
  • SQL
  • PL/SQL
  • Shell Scripts (Bourne, csh, ksh)
  • Perl
  • Power Script
  • Fortran
  • Sed
  • Awk
  • SQR
  • Tomcat Server
  • Oracle Application Server 1013
  • Sun Java System Application Server
  • Sun Java System Web Servers
  • JBOSS
  • Microsoft Active Directory
  • Sun Java System proxy server
  • Sun Java System Directory Server
  • MACOS
  • WINDOWS
  • SOLARIS
  • SCO OSE 50
  • SCO UNIX
  • UNOS
  • SUNRAY
  • SUN ULTRA 10
  • SUN SPARC 10
  • SUN SPARC 1
  • SUN 3/60
  • APPOLLO
  • PENTIUM
  • IBM 4361
  • Eclipse
  • IntelliJ IDEA
  • Java Creator
  • Sun Java Studio
  • DEVELOPER 2000
  • VISUAL BASIC 50
  • Microsoft SQL SERVER
  • Oracle
  • WATCOM SQL
  • Poseidon
  • TURBO ANALYST
  • YUORDON TOOL KIT

Certification

  • Sun Certified Java Programmer
  • Certified EJB developer (Sun Certified Business Component Developer)
  • PMP (Certification provided by Project Management Institute)
  • Stanford Certified Project Manager

Operatingsystems

  • MACOS
  • WINDOWS
  • SOLARIS
  • SCO OSE 5.0
  • SCO UNIX
  • UNOS

Hardwareplatforms

  • SUNRAY
  • SUN ULTRA 10
  • SUN SPARC 10
  • SUN SPARC 1
  • SUN 3/60
  • APPOLLO
  • PENTIUM
  • IBM 4361

Ide

  • Eclipse
  • IntelliJ IDEA
  • Java Creator
  • Sun Java Studio
  • DEVELOPER 2000
  • VISUAL BASIC 5.0

Rdbms

  • Microsoft SQL SERVER
  • Oracle
  • WATCOM SQL

Awards

  • SUN Recognition award for IBIS
  • SUN TEAM Platinum Award
  • SUN STAR award
  • Special Recognition Award from CMC Limited India
  • Received several appreciation awards for various projects

Publications

  • Paper on Algorithm for Truck Dispatch System published and presented in ICCAMI Seminar
  • Paper on Production Benefits with Dynamic Allocation in TDS published in CMPDI journal
  • Algorithm for 3D mesh diagram published in CMPDI journal

Training

  • Microservices Software Architecture: Patterns and Techniques, Udemy
  • REST API, Design, Development and Management, Udemy
  • SSL/TLS Fundamental, Udemy
  • Introduction to Database Engineering, Udemy
  • Machine Learning – Regression, University of Washington (Coursera)
  • Machine Learning Foundations – A case study approach, University of Washington (Coursera)
  • Software Process and Agile Practices, University of Alberta (Coursera)
  • HTML, CSS and JavaScript, The Hongkong University of Science and Technology (Coursera)
  • Introduction to Big Data, University of California, San Diego (Coursera)
  • Introduction to Software Product Management, University of Alberta (Coursera)
  • Fundamentals of Project Management in Sun Microsystems, USA
  • Developing Java Web Services at Sun Educational Services, USA
  • J2EE Architecture at Sun Educational Services, USA
  • Design Patterns at Sun Educational Services, USA
  • Advanced EJB at Sun Educational Services, USA
  • Advanced 3D Graphics, NCST, India

Applicationandwebservers

  • Tomcat Server
  • Oracle Application Server 10.1.3
  • Sun Java System Application Server
  • Sun Java System Web Servers
  • JBOSS

Proxyanddirectoryservers

  • Microsoft Active Directory
  • Sun Java System proxy server
  • Sun Java System Directory Server

Timeline

Staff Software Engineer

DHI Group Inc.
08.2021 - Current

Senior Lead Software Developer and Software Architect

Lumen Technologies
04.2011 - 08.2021

Architect

Comcast
08.2009 - 04.2011

Architect and Developer

Sun Microsystems Inc.
04.2007 - 08.2009

Architect

FISERV, Inc.
07.2006 - 04.2007

Principal Engineer

Sun Microsystems Inc.
01.1998 - 08.2006

CMC Ltd.
- 01.1998

MBA -

University of Colorado at Denver

MS - Finance

University of Colorado at Denver

BS - Engineering

Indian Institute of Technology
  • Sun Certified Java Programmer
  • Certified EJB developer (Sun Certified Business Component Developer)
  • PMP (Certification provided by Project Management Institute)
  • Stanford Certified Project Manager

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Sanjiv Kumar