Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Relevant Work Experience
Timeline
Generic
RATAN KUMAR

RATAN KUMAR

Developer/Product Owner
Frankfurt

Summary

COBOL developer/Interim Product Owner/JAVA Developer with total 15 Years of strong domain and functional expertise in Retail and Banking

Overview

15
15
years of professional experience
2
2
Certifications
2
2
Languages

Work History

HCL Project trainee

HCL Technologies Germany GmbH
01.2026 - 05.2026
  • Strengthened core DB2 and COBOL knowledge complemented by internal HCL trainings and German language lessons
  • Hands-on training in Microsoft Azure fundamentals to build cloud skills relevant for backend and DevOps roles

Software Developer/Product Owner

HCL Technologies Germany GmbH
01.2022 - 12.2025
  • Project: Base Capacities, ING DIBA client
  • Contributed to backend development as a junior Java developer, focusing on creating and improving application functionalities using Java and Spring Batch frameworks.
  • Acted as a Product Owner, defining product vision, prioritizing features, and aligning them with business objectives to meet stakeholder needs effectively.
  • Provided business analysis support by gathering requirements, analysing workflows, and offering recommendations to streamline processes.
  • Ensured governance compliance by implementing best practices and monitoring adherence to organizational policies within development projects.
  • Utilized tools such as IntelliJ IDEA, Azure DevOps, and ServiceNow to manage development processes, automate workflows, and track project progress.
  • Collaborated in the Base Capacities team to deliver scalable solutions aligned with organizational goals while coordinating across multidisciplinary teams.

Software Developer COBOL

HCL Technologies Germany GmbH
11.2019 - 10.2021
  • Project: Easy Financing, ING DIBA Client
  • Addressed day-to-day production issues in the loan processing systems for ING DIBA Germany, ensuring smooth operations and timely resolution.
  • Developed COBOL code to handle RATENKREDIT and RAHMENKREDIT loan products according to specific requirements, enhancing system functionality.
  • Contributed to the PSC2EASY project by supporting the migration of COBOL batch jobs into a new Java-based environment, improving efficiency and scalability.
  • Utilized tools related to COBOL development and IntelliJ IDEA to deliver robust technical solutions aligned with organizational needs.
  • Employed Service Now for tracking incidents and managing workflows, ensuring transparency and efficient handling of support activities.

Technical Lead/Lead Consultant

HCL Technologies Germany GmbH
01.2019 - 10.2019
  • Project: Production support cards, Deutsche Bank Client
  • Worked as a consultant and on a new project proposals for HCLTech

Technical Lead Mainframes

TATA CONSULTANCY SERVICES
10.2013 - 12.2018
  • Project: Production support cards, Deutsche Bank Client
  • Delivered day-to-day production support for Debit and Credit Card systems at ensuring seamless operation and resolution of issues in a timely manner.
  • Administered systems overseeing the full life cycle of Debit and Credit Cards issued by Deutsche Bank, Berliner Bank, and Noris Bank Germany.
  • Managed and prioritized critical issues related to Self-Banking Devices across Germany, including troubleshooting problems with Geld Automat and Banking Terminal machines.
  • Supported service operations by monitoring system performance and executing problem-solving strategies to ensure high availability for banking applications.

Team member Mainframe

TATA CONSULTANCY SERVICES
07.2011 - 09.2013
  • Project: The Home Depot Merchandising IT support, USA Client
  • Resolved critical mainframe job abends promptly to ensure uninterrupted operations in the merchandising IT support project.
  • Developed and modified COBOL DB2 programs in response to evolving business requirements, enhancing system functionality and meeting organizational goals.
  • Implemented database updates to reflect new advertising prices (AD) for SKUs, ensuring pricing accuracy across systems.
  • Collaborated with cross-functional teams to provide production support, addressing technical issues effectively to minimize downtime.
  • Utilized tools such as SPUFI, EZT's, HPSM, JCL, and Java UI to manage production tasks, program changes, and troubleshooting efficiently.
  • Conducted regular system monitoring and maintenance to ensure reliability and smooth performance of mainframe operations.

Education

Bachelor of Engineering - Information Science

RNS Institute of Technology
Bangalore

Skills

  • Language: COBOL, JCL, Java, Spring, Html
  • Framework: Mainframes, Wicket, Spring Batch
  • DB: DB2, Oracle
  • Relationship building
  • Client relationship management
  • Data collection
  • Agile methodologies
  • Hardware: IBM Mainframes Z/OS, IBM OS/390
  • Tools Used: IntelliJ IDEA, SQL, File-Manager, Spufi, TSO, ISPF, IBM Fault Analyzer, OPCA, IKV

Accomplishments

  • Awarded 'Best Employee' in my first organization for outstanding performance and contribution.
  • Certified ITIL Expert with strong process knowledge; proficient in German (B1 level).
  • Successfully collaborated with Deutsche Bank as a client for 4 years in Frankfurt, Germany, contributing to key IT initiatives.
  • Delivered impactful results while working with ING Bank for over 6 years in Frankfurt, Germany, driving operational efficiency and client satisfaction.

Certification

ITIL Expert certification on Service Operations, Service Strategy, Service Design

Relevant Work Experience

  • Strong Domain and Functional expertise in Banking(Retail Banking) for different clients
  • Coordinated with different stakeholders (Business, Development, Infrastructure and External vendors) to ensure smooth execution of end to end implementation activities
  • Provide Status Reports to Senior Management on a periodic basis. Defining tasks, allocating resources, establishing milestones, prioritizing work and product defects and communicating status
  • Expertise in DB2 application programming and COBOL. Proficient in preparation of SQL and DB2 Application programming and possess strong troubleshooting skills
  • Proven expertise in troubleshooting real-time performance problems & production outages in application
  • Expertise in transforming the requirements to technical definitions, coding, testing and implementing the same
  • Ability to meet deadlines and handle pressure, coordinating multiple tasks in the project environment.
  • An excellent team player with an ability to perform individually, with good interpersonal relations, strong communication & presentation skills with high level of motivation.

Timeline

HCL Project trainee

HCL Technologies Germany GmbH
01.2026 - 05.2026

Software Developer/Product Owner

HCL Technologies Germany GmbH
01.2022 - 12.2025

Software Developer COBOL

HCL Technologies Germany GmbH
11.2019 - 10.2021

Technical Lead/Lead Consultant

HCL Technologies Germany GmbH
01.2019 - 10.2019

Technical Lead Mainframes

TATA CONSULTANCY SERVICES
10.2013 - 12.2018

Team member Mainframe

TATA CONSULTANCY SERVICES
07.2011 - 09.2013

Bachelor of Engineering - Information Science

RNS Institute of Technology
RATAN KUMARDeveloper/Product Owner