Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Aman Kumar

Senior Software Engineer
Noida

Summary

Java Backend Engineer experienced in developing scalable enterprise distributed systems within Telecom and Supply Chain domains. Delivered high-volume transaction processing systems and SAP-integrated applications through expertise in Java, Spring Boot, Microservices architecture, and event-driven systems like Kafka and RabbitMQ. Focused on modernizing legacy systems, migrating to microservices, and optimizing performance across large-scale environments.

Overview

5
5
years of professional experience
3
3
Certifications

Work History

Software Engineer

Happiest Minds Technologies Ltd.
07.2024 - Current

Project 1: PepsiCo Manufacturing & Supply Chain Planning Platform Project Summary

Manufacturing and supply chain planning system enabling vendors and contract manufacturers to forecast raw materials, place procurement orders, and manage production planning using SAP-driven master data.

Responsibilities

  • Integrated daily SAP master data using Kafka pipelines
  • Built forecasting module for weekly/monthly planning
  • Implemented order validation rules (forecast limits, cutoff, ad-hoc handling)
  • Created CSR approval workflow for exception-based orders to streamline order processing and reduce manual errors
  • Designed SAP integration for order and inventory synchronization
  • Built reconciliation logic for shipment and inventory updates

Impact

  • Reduced manual intervention in exception handling
  • Improved forecasting planning efficiency
  • Reduced order validation errors

Project 2: PepsiCo E-Commerce Order & Logistics Platform Project Summary

Enterprise order management system for store owners and event organizers to place and track PepsiCo product orders. The platform manages full order lifecycle including order

processing, shipment tracking, inventory management, invoicing, and SAP integration. The system replaced a legacy third-party solution, reducing operational cost and improving

performance.

Responsibilities

  • Developed microservices using Java, Spring Boot, Kafka, Oracle SQL to enhance system scalability and maintainability
  • Designed end-to-end order lifecycle: Order Shipment Invoice SAP
  • Implemented event-driven shipment tracking system using Kafka to improve real-time visibility and responsiveness
  • Developed inventory management using vendor file ingestion (blob storage + scheduled jobs)
  • Built invoice generation service integrated with SAP
  • Implemented Hazelcast caching for high-frequency inventory access
  • Designed real-time shipment status updates for UI systems

Impact

  • Reduced order processing latency
  • Improved shipment tracking response time
  • Reduced operational cost by ~25% by replacing legacy system
  • Improved inventory retrieval performance

System Engineer

Tata Consultancy Services (TCS)
05.2021 - 07.2024

Project 1: Telecom Workforce Management & Billing Platform Project Summary

Telecom workforce management system for British Telecom to track service installations, workforce activities, material usage, and billing lifecycle. The system automated end-to-end service request processing, cost calculation, and invoice generation.

Outlined project responsibilities

  • Developed UI using JavaScript, JSP/Struts
  • Built backend services using Java and Spring Framework
  • Implemented full service lifecycle: request assignment execution billing payment
  • Integrated RabbitMQ for asynchronous workflow processing
  • Used database triggers for third-party system synchronization
  • Developed SQL stored procedures for business logic

Impact

  • Automated workflow processes to minimize manual coordination
  • Enabled real-time job tracking and material usage visibility
  • Reduced processing delays using RabbitMQ async processing
  • Improved billing accuracy and operational efficiency

Project 2: Telecom Legacy Modernization (Proximus Project) Project Summary

Legacy application modernization for Proximus Telecom, focused on migrating monolithic systems into modular open-source architecture with improved scalability and

maintainability.

Responsibilities

  • Migrated legacy modules to modern Java open-source frameworks
  • Built Java batch jobs for high-volume data processing and reporting
  • Designed SQL-based stored procedures and triggers for business rules
  • Improved system integrations and data flow between telecom systems

Impact

  • Improved system maintainability through modular architecture
  • Automated batch processing and reporting, increasing efficiency of data handling
  • Improved data processing efficiency for high-volume systems
  • Strengthened system reliability, simplifying operational complexity

Education

B – TECH - Electrical Engineering

Netaji Subhash Engineering College
Kolkata, India
01-2019

HIGHER SECONDARY -

Goethal's Public School
01-2014

SECONDARY -

Adwaita Mission School
01-2012

Skills

Languages: Java, JavaScript, PL/SQL

Backend: Spring Boot, Spring Framework, Hibernate, Struts

Architecture: Microservices, Distributed Systems, Event-Driven Architecture

Messaging: Apache Kafka, RabbitMQ

Databases: Oracle SQL, Couchbase

Certification

Complete Core Java

Timeline

Software Engineer

Happiest Minds Technologies Ltd.
07.2024 - Current

System Engineer

Tata Consultancy Services (TCS)
05.2021 - 07.2024

B – TECH - Electrical Engineering

Netaji Subhash Engineering College

HIGHER SECONDARY -

Goethal's Public School

SECONDARY -

Adwaita Mission School
Aman KumarSenior Software Engineer