Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

ARPAN NANDI

KOLKATA

Summary

Cloud-focused technical lead with over 12 years of experience in designing and operating scalable distributed systems on AWS. Expertise in microservices architecture, cloud-native infrastructure, and containerization. Proven track record in leading engineering teams to modernize legacy systems and enhance system performance and deployment automation.

Overview

13
13
years of professional experience
1
1
Certification

Work History

Lead Software Engineer

Epam Systems
Kolkata
06.2025 - Current
  • Led development and operations of six event-driven microservices on AWS.
  • Designed high-throughput fraud detection systems to process real-time transactions.
  • Enhanced system reliability and monitoring through Splunk and observability tools.
  • Guided engineers in optimizing microservice architecture performance and cloud best practices.
  • Customer: Expedia

Lead Software Engineer

Epam Systems
Kolkata
02.2024 - 06.2024
  • Refactored legacy monolith into cloud-native microservices architecture
  • Built backend services using Spring Boot, Kotlin, DynamoDB, and Docker
  • Implemented caching with Memcached and monitoring with SignalFx
  • Deployed services in AWS cloud environment with containerized workloads
  • Customer: Atlassian

Lead Software Engineer

Epam Systems
Kolkata
07.2023 - 02.2024
  • Developed backend services for payroll processing platform
  • Implemented tax calculations, reporting modules, and import pipelines
  • Worked with CI/CD pipelines and container-based deployments
  • Customer: UKG, Inc

Lead Software Engineer

Epam Systems
Kolkata
06.2022 - 07.2023
  • Led System Account Remediation project integrating CyberArk with AWS
  • Coordinated 12+ infrastructure and security remediation projects
  • Managed cross-team collaboration, JIRA tracking, and cloud environment updates
  • Customer: Novartis Institutes for BioMedical Research, Inc

Backend Developer and Lead

IBM
Kolkata
11.2021 - 06.2022
  • Built fraud detection algorithms and backend services
  • Implemented optimized data structures for scoring systems
  • Developed standalone services for data processing and CSV pipeline generation
  • Customer: American Express

Senior Solution Integrator

Ericsson
Kolkata
02.2016 - 11.2021
  • Designed and built Spring Boot microservices deployed on AWS
  • Automated deployments and modernized legacy Java platforms
  • Developed internal compiler tools converting Gembase DSL into Java code
  • Migrated legacy frameworks (Struts → JSF PrimeFaces)
  • Customer: Orange France/ Sprint Corporation

Systems Engineer

TCS
Kolkata
03.2013 - 01.2016
  • Developed enterprise Java and Oracle-based systems
  • Built B2B portals and automated document processing using Spring Batch

Education

B.Tech -

WEST BENGAL UNIVERSITY OF TECHNOLOGY
03-2012

Skills

  • Java
  • Python
  • Microservices
  • Spring-boot
  • Amazon Web Services(EC2, DynamoDB, IAM, CloudWatch, S3, Bedrock, Lambda, ASG, ECS, EKS, SQS)
  • Docker
  • Jenkins
  • Git
  • Bitbucket
  • JIRA
  • SQL Databases
  • MySQL
  • PostgreSQL
  • NoSQL
  • Amazon DynamoDB
  • Oracle Applications
  • Apache Kafka
  • Apache Tomcat
  • Cloud Computing
  • Continuous Integration
  • Data Structures
  • Databases
  • Concurrency
  • Hibernate (Java)
  • ReactJS
  • Postman
  • Splunk
  • IntelliJ IDEA
  • Cyberark
  • Spring Batch
  • Data Structures
  • Databases
  • Hibernate (Java)
  • AWS management
  • Cloud architecture
  • Container orchestration
  • Continuous integration
  • Cloud computing

Certification

  • Google Project Management, Google on Coursera, 04/01/25
  • Oracle Certified Associate, Java SE 7 Programmer, 09/01/17
  • ITIL Foundation CPD, 08/01/17

Languages

  • English
  • Bengali
  • Hindi

Timeline

Lead Software Engineer

Epam Systems
06.2025 - Current

Lead Software Engineer

Epam Systems
02.2024 - 06.2024

Lead Software Engineer

Epam Systems
07.2023 - 02.2024

Lead Software Engineer

Epam Systems
06.2022 - 07.2023

Backend Developer and Lead

IBM
11.2021 - 06.2022

Senior Solution Integrator

Ericsson
02.2016 - 11.2021

Systems Engineer

TCS
03.2013 - 01.2016

B.Tech -

WEST BENGAL UNIVERSITY OF TECHNOLOGY
ARPAN NANDI