Arnab Chatterjee

About Arnab Chatterjee

As a Senior Infrastructure Engineering Manager, I am currently leading a diverse team across geographies while heading a Global Engineering Function that is responsible for various PaaS Deliveries on Premises as well as Public CloudMy role spans Data,Cloud,AI & Container Platform Engineering. I am a Technology Enthusiast in a leadership role with over 20 years of Industry experience around various stacks and varying roles from Core Application Development to Infrastructure Architect to Platform Engineering. Key responsibilities include driving strategy and roadmaps to being accountable for the delivery/lifecycle management for the Platform and provide architectural patterns and best practices for adoption and usage of PaaS platform of the bank which includes Data Platforms(Various RDBMS, Big Data Platform), NoSQL(MongoDB,Redis,ElasticSearch)Middleware Messaging Platforms(Solace, Tibco, Kakfa),Web Stack(TomEE, MFT),Container Platform(Kubernetes Platform), Application scheduling on Prem and AWS.Expert in Kubernetes (Rancher and AWS EKS with Helm and Flux ), Big Data (AWS EMR, MapR Hadoop/HPE DataFabric,Spark),Middleware Messaging(Solace,AWS Kinesis), AWS Opensearch & ElasticSearch, MongoDB, Redis, RDBMS ( AWS Aurora, MSSQL, MySQL,Oracle), AWS Sagemaker & Bedrock.Strong Skills and past experience in programming in Core Java,Spring and Python and recent exposure to configuration management and IaaC using Ansible & Terraform. Fully complaint with GitOps driven approach for application lifecycle with exposure to Jenkins, Gitlab and Devops Best Practices.Familiarity of the HashiCorp Stack such as Terraform Enterprise,Consul,Boundry,Vault & PackerPart of the Core Engineering Team that Delivered the Private and Public Cloud implementation in the firm with end user driven self service provisioning bolstering Automation.

Experience

1. Group Head of Database Platforms

   Nomura

   Oct 2025 — Present · Mumbai, IN

   The Group Head of Databases is responsible for defining and executing the organization’s overall database and data platform strategy, ensuring systems are scalable, secure, and aligned with business goals. The role combines technology leadership and management oversight, guiding database architecture, modernization initiatives (cloud, automation, distributed platforms), and long-term capacity planning. The role leads and mentors a globally distributed team of 90+ technology professionals across India, Japan, AEJ, EMEA, and the Americas, establishing governance, reliability, and performance standards while managing vendor and platform decisions in close collaboration with application, infrastructure, and security teams. At a strategic level, the focus is on driving innovation, ensuring high availability of mission-critical data systems, and evolving the enterprise data platform to support future growth and advanced workloads such as analytics and AI.

Education

• Dharmsinh Desai University

  MCA, Computers

  2001 — 2004

Skills

• Jboss
• Sybase
• Hadoop
• Spring Framework
• Oracle
• Distributed Systems
• Core Java
• Soa
• Design Patterns
• Jms
• Java
• Unix
• Low Latency
• Multithreading
• Performance Tuning
• Jboss Application Server
• Sun Certified Java Programmer
• J2ee Application Development
• Ajax
• Data Center Virtualization
• Tibco
• Solaris
• Sybase Ase
• Mongodb
• Weblogic
• Middleware
• Spring
• Software Project Management
• Java Enterprise Edition
• Flex
• Terracotta
• Hibernate
• Big Data
• Struts
• Software Development
• Web Services
• Autosys