Krishan Kumar
Noida
Summary
Accomplished HCL Commerce Developer with expertise in Spring Boot and Microservices, recognized for leading the enhancement of HP’s B2B eCommerce platform. Proven ability to optimize application performance and foster cross-functional collaboration, driving successful project outcomes while maintaining high standards of technical documentation and customer engagement.
Overview
18
18
years of professional experience
Work History
HCL Commerce Developer
HCL Technologies Ltd
Noida
12.2024 - Current
- Led the development and enhancement of HP’s B2B eCommerce platform using Java 8, Spring Boot, and Microservices architecture.
- Integrated HCL Commerce v9 for product catalog, pricing, and order management functionalities tailored to enterprise buyers.
- Developed and implemented best practices for software engineering processes.
- Created detailed technical documentation for internal use and external customers.
- Conducted regular meetings with project teams to ensure alignment with business objectives.
- Identified opportunities for reusing existing code within the organization's products.
- Evaluated third-party libraries for integration into current products according to their cost and benefit ratio.
- Lead a cross-functional team of engineers to develop highly scalable web applications using modern technologies such as Java, ReactJS, NodeJS.
- Optimized application performance by performing root cause analysis of issues reported by users.
- Performed debugging and troubleshooting activities to identify issues in existing systems.
- Listened to customer needs to identify and recommend best products and services.
HCL Commerce Developer / IBM WCS
HCL Technologies Limited
Noida
08.2019 - 12.2024
- Company Overview: Project - Coles Supermarkets Australia Pty Ltd, trading as Coles, is an Australian supermarket, retail and consumer services chain. Coles Online is the company's online shopping service, which is designed in IBM WebSphere Commerce Application.
- Providing solution and development in the timeframe of 2 weeks of scrum working as a HCLC developer to handle the JIRA tickets which is assigned to us.
- Worked on various enhancements on Coles online application as per the Ocado’s requirements.
- Technical baseline the back log JIRA stories to be developed.
- Client interaction in clearing the impediments of the JIRA items in the calls, whenever required.
- Writing the JUnit and Testing on DEV environment after code fixing.
- Worked on REST webservice to interact with Coles application and integrated applications.
- Project - Coles Supermarkets Australia Pty Ltd, trading as Coles, is an Australian supermarket, retail and consumer services chain. Coles Online is the company's online shopping service, which is designed in IBM WebSphere Commerce Application.
- Technology Used : HCL Commerce, Delivery Manager, ROVER, MICROLISE, Oracle DB, MySQL, Control-M Job scheduler
Technology Consultant
NIIT Technologies Limited
Greater Noida
09.2018 - 08.2019
- Company Overview: Project: Horizon REST API Merchandising is an omni-channel solution that allows airlines to sell and ensure delivery of ancillary services such as fees for baggage, preferred seats, lounge passes and priority boarding, at each stage of a passenger’s journey.
- Providing technical solution to the merchandising GUI team, consuming the application.
- Managing the project from development to deployment.
- Worked on defect fixing and enhancements on HRA application.
- Involved in resolving the bug issues assigned in JIRA.
- Independent handling the support in fixing issues in HRA application to the consuming application.
- Daily client interaction in clearing the impediments of the JIRA items in the calls.
- Writing the JUnit and Testing on DEV environment after code fixing.
- Project: Horizon REST API Merchandising is an omni-channel solution that allows airlines to sell and ensure delivery of ancillary services such as fees for baggage, preferred seats, lounge passes and priority boarding, at each stage of a passenger’s journey.
- Technology Used : Java/J2EE, Spring Boot, REST Web Service, SOAP Web service, Oracle DB, Hazelcast, Apache Tomcat
Technology Consultant
NIIT Technologies Limited
Greater Noida
12.2017 - 09.2018
- Company Overview: Project: The iTravel application allows airline passengers to perform the following functions from a web browser of mobile devices, computers, tablets etc.: Flight Status, Flight Schedule, Book a Flight, View Itineraries, Mobile Check-In, Information & Contacts.
- Providing technical solution to the team members, whenever required.
- Worked on various enhancements on iTravel HMCS/Native application.
- Creating scenarios from Ready API to reproduce the issue on particular airlines.
- Involved in baselining and resolving the bug issues assigned in JIRA.
- Client interaction in clearing the impediments of the JIRA items in the calls, whenever required.
- Writing the JUnit and Testing on DEV environment after code fixing.
- To be verify the impacted functionalities by testers on QA environment after completing DEV testing.
- Worked on REST web service to interact with iTravel application and third party application.
- Project: The iTravel application allows airline passengers to perform the following functions from a web browser of mobile devices, computers, tablets etc.: Flight Status, Flight Schedule, Book a Flight, View Itineraries, Mobile Check-In, Information & Contacts.
- Technology Used : Java/J2EE, Spring, REST Web Service, Oracle DB, Hazelcast, Apache Tomcat, AngularJS, NodeJS, Velocity Templates.
Domain Expert / Technology Consultant
NIIT Technologies Limited
Greater Noida
11.2011 - 08.2018
- Company Overview: Project: SITA Voyager Program is replacing the existing mainframe based reservations, inventory and departure control systems with systems based on a Service Oriented Architecture (SOA) approach. Enabling the new functionality through next generation touch points, including new high productivity GUIs and web services to enable ease of migration for airlines.
- Providing technical solution to the team members, whenever required.
- Client interaction to deal with the UAT defects.
- Technical baseline the back log stories to be developed.
- Involved in resolving the bug issues and maintenance of project.
- Handling team for development and testing And Task allocation to the team members.
- Part of a core team member (SWAT Team), involve in critical decisions for smoothly completing the work flow of development agile cycle.
- Analyzing the requirements and reviewing the specification documents.
- Weekly Defect Review Meetings with the Team.
- Project: SITA Voyager Program is replacing the existing mainframe based reservations, inventory and departure control systems with systems based on a Service Oriented Architecture (SOA) approach. Enabling the new functionality through next generation touch points, including new high productivity GUIs and web services to enable ease of migration for airlines.
- Technology Used : Java/J2EE, spring, Web Service Integration, NGAF (OSGI Framework), SOAP UI, maven, VPN, SVN.
Senior Software Engineer
NIIT Technologies Limited
Noida
10.2010 - 11.2011
- Company Overview: Project: SITA Self-service kiosks offer multiple services to the traveller while maintaining flexibility for airports and airlines. AirportConnect Kiosk is a self-service airport kiosk that can be used by a specific airline or as common-use (CUSS). Designed to IATA CUSS specifications, this product includes kiosk hardware and platform software.
- Worked on various enhancements on Transaero UNFCI Application.
- Created MSI of the Application for the client.
- Involved in resolving the bug issues.
- Involved in maintenance of the Application.
- Involved in the Functional, Script and Sanity testing of developed applications.
- Analyzing the requirements and reviewing the specification documents.
- Worked on CSS, JavaScript for Kiosk UI building.
- Project: SITA Self-service kiosks offer multiple services to the traveller while maintaining flexibility for airports and airlines. AirportConnect Kiosk is a self-service airport kiosk that can be used by a specific airline or as common-use (CUSS). Designed to IATA CUSS specifications, this product includes kiosk hardware and platform software.
- Technology Used : Java/J2EE, MySQL, SITA SDCS, Struts1.2, spring and Hibernate.
Senior Software Engineer
Infogain India Pvt. Ltd.
Noida
10.2009 - 10.2010
- Company Overview: Project: NIC Project Management System (PMS) under Nano Mission is a web based application for managing and tracking projects.
- Written front to back-end logic from GUI Development, Business Logic, and Data Access Object (Hibernate).
- Java Coding, Development of Components & Unit Testing.
- Project: NIC Project Management System (PMS) under Nano Mission is a web based application for managing and tracking projects.
- Technology Used : Struts2, JDK5.0, JSP, JavaScript, jboss-4.2.0.GA, Hibernate3, PostgreSQL8.3, Eclipse-europa.
Senior Software Engineer
Infogain India Pvt. Ltd.
Noida
09.2008 - 10.2009
- Company Overview: Project: Network Appliance, Inc. (NetApp) is a world leader in unified storage solutions for today's data-intensive enterprise. Netapp is currently in process of implementing Tibco products throughout the enterprise.
- Worked on various enhancement on FTP(Perl Script), IBM-OEM, PreExistingAccessKey, and CMAT as per the requirements.
- EAI Installation and Installed EAI TIBCO Software on Windows platform.
- Involved in resolving the support issues.
- Involved in maintenance of the Application.
- Wrote optimized PL/SQL in order to perform data manipulation with Oracle 9i.
- Involved in the Sanity testing of developed applications.
- Project: Network Appliance, Inc. (NetApp) is a world leader in unified storage solutions for today's data-intensive enterprise. Netapp is currently in process of implementing Tibco products throughout the enterprise.
- Technology Used : Tibco Administrator 5.2, Tibco business works 5.2, TibcoEMS, Tibco ADBAdapter5.2, TibcoHawk4.5.0, UNIX, and Windows-Xp/2000.
Programmer
HCL Infosystem Limited (Contract Basis)
Delhi
08.2007 - 09.2008
- Company Overview: Project: Common Integrated Police Application (CIPA) Web is a web based application. It is designing to use the distributed computing architecture using JAVA, JSF technologies.
- Developed the User Interface Screens for presentation logic using JSF.
- Business Logic, GUI Development and Reports Development.
- Coding, Development of Components, Unit Testing & System Testing.
- Project: Common Integrated Police Application (CIPA) Web is a web based application. It is designing to use the distributed computing architecture using JAVA, JSF technologies.
- Development Environment JSF, Java Servlet, DWR, Tomcat 5.5, PostgreSQL.
Education
Master of Computer Application - Computer Application
Mangalmay Institute of Management & Technologies
Greater Noida06.2006
Bachelor Of Computer Application - Computer Application
IMS Roorkee
Roorkee, Uttarakhand06.2003
Senior Secondary School - PCM
GIC Roorkee
Roorkee, Uttarakhand06.2000
Secondary School - PCM
GIC Roorkee
Roorkee, Uttarakhand06.1998
Skills
- Spring Boot
- Microservice
- AWS
- Azure
- ELK
- Kafka
- Struts2
- JSF
- Hibernate
- SQL
Awards
- Core Team Member Allowance Reward, 78K per Year, 10/01/13 - 08/31/19, NIIT Technologies Limited
- Client Appreciation Ceremony Awards, 10/01/13 - 10/31/18, NIIT Technologies Limited
Timeline
HCL Commerce Developer
HCL Technologies Ltd
12.2024 - Current
HCL Commerce Developer / IBM WCS
HCL Technologies Limited
08.2019 - 12.2024
Technology Consultant
NIIT Technologies Limited
09.2018 - 08.2019
Technology Consultant
NIIT Technologies Limited
12.2017 - 09.2018
Domain Expert / Technology Consultant
NIIT Technologies Limited
11.2011 - 08.2018
Senior Software Engineer
NIIT Technologies Limited
10.2010 - 11.2011
Senior Software Engineer
Infogain India Pvt. Ltd.
10.2009 - 10.2010
Senior Software Engineer
Infogain India Pvt. Ltd.
09.2008 - 10.2009
Programmer
HCL Infosystem Limited (Contract Basis)
08.2007 - 09.2008
Master of Computer Application - Computer Application
Mangalmay Institute of Management & Technologies
Bachelor Of Computer Application - Computer Application
IMS Roorkee
Senior Secondary School - PCM
GIC Roorkee
Secondary School - PCM
GIC Roorkee
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