Arnab Chatterjee

About Arnab Chatterjee

I\'m a Staff Backend Software Engineer with over 12 years of experience specializing in the architecture, design, and implementation of secure, intelligent, and highly available distributed systems. My passion lies in solving complex engineering challenges and leading technical initiatives from ambiguous requirements to production-ready platforms.Throughout my career, I\'ve delivered critical backend solutions across diverse domains, including Retail/Logistics and Financial Services (FinTech). Most recently, at R3, I spearheaded the Application Security architecture for a next-generation digital currency product and was instrumental in building novel tokenization platforms for major financial institutions (like HSBC).My technical mastery spans modern back-end technologies and complex domain expertise:Core Engineering: Java, Kotlin, Golang, Microservices, Multithreading, and Performance Tuning.Security & Cloud: Deep expertise in Application Security (Defense in Depth), Kubernetes, Hashicorp Vault, Keycloak (Identity/AuthZ), and modern CI/CD practices.Specialized Expertise: Building platforms using DLT (Corda, Hyperledger, Ethereum), tokenization (ERC-20/721), and interoperability standards (DvP/PvP).I thrive in technical leadership roles, focusing on pragmatic execution, cross-functional collaboration, and translating technical vision into clear, actionable tasks. I am committed to continuous learning, exemplified by my contributions to open-source communities and published research papers on Blockchain and Smart Contracts.Always open to connecting about distributed systems, application security, and FinTech innovation.

Experience

1. Senior Engineer

   Hashicorp

   Apr 2025 — Present · Bengaluru, IN

Education

• Guru Nanak Institute of Technology

  Engineer’s Degree, Computer Science

  2009 — 2013

• St. Paul’s Mission School

  CISCE; Class X; Class XII

  1995 — 2009

Skills

• Software Development
• Tomcat
• Spring
• Html
• Jsf
• Jboss Eap
• Jira
• Algorithms
• Web Services
• Javascript
• Uml
• Software Design Patterns
• Spring Framework
• Oracle
• Requirements Analysis
• Hyperledger
• Xml
• Core Java
• Design Patterns
• Cascading Style Sheets (Css)
• C
• Programming
• Corda
• Sql
• Restful Webservices
• Linux
• Hibernate
• Windows
• Eclipse
• Jprofiler
• Maven
• Json
• Data Structures
• Css
• Operating Systems
• Servlets
• Subversion
• Mysql
• Jquery
• Web Applications