# Dipak R. > Principal Software Engineer at Coupang | IIM Mumbai Location: San Francisco Bay Area, United States Profile: https://flows.cv/dipak An entrepreneur by heart. Passionate hands-on technical architect, developer, leader, innovator, mentor with over 20+ years of experience in building large and distributed software systems. Working primarily on backend systems even though I’ve full stack experiences in building entire application including web/mobile fronts, backend services and related infrastructures. • Working on Agentic AI application development as part of transitioning towards AI. • Hands-on technology leader. • Directing on technology/strategies working closely with stake holders in building the right kind of products. • Leading, coordinating, architecting, designing, mentoring and developing end-to-end software systems. • Expert in building big data technologies, ETL and Real-Time systems. • Proficient in writing code towards high performing, scalable and reliable systems. ## Work Experience ### Principal Software Engineer @ Coupang Jan 2020 – Present | Mountain View, California, United States Working in Growth Platform which is a part of Marketing Technology organization. Agentic AI - Developing Agentic AI application as automation to bring productivity, efficiency, and lowering operations cost for typical operations in Growth Engineering platform. Growth Engineering Platform – Working on monetization of business data through customer segmentation. Big Data – Use multiple big data technologies (Hive, Spark, Airflow, ETL, Elasticsearch etc.), RDBMS, Java/Scala/Python, APIs, and more in AWS cloud environment. Cloud Infrastructure Building – spending fair amount of time in building and/or migrating existing cloud technologies to newest and efficient technologies. Business Solutions – analyze various data across web, mobile, life cycle products, Coupang eats, Coupang play, etc. to expand and promote further business growth opportunities through advertisements and promotions. Technologies: AI (MCP Server, OAuth/Security, Agentic AI Application, MCP Client, LLMs), Others (Java, Scala, Python, Microservices, GraphQL, Cassandra, Hive, Spark, Kafka, Airflow, Elasticsearch, RDBMS/MySQL, ETL, AWS, GCP and more). ### Principal Architect/Software Engineer @ BNY Mellon Jan 2015 – Jan 2020 | Palo Alto, CA Worked as Principal Architect/Software Engineer on Data Science in innovating, simplifying, and automating BNY Mellon old generation software systems in private cloud. Worked on building following initiatives/APIs: BRI (Business Resiliency Intelligence) - Real time analytics dashboard building using live event data from various businesses, enriching and presenting on an UI. Metadata API - Provides information of all of the datasets in existence in the data lake. Report Engine - Common API to retrieve data from various sources; e.g. RDBMS, REST API, CSV, Files etc. as batch and stream. Workflow Engine - Workflow design for all approval process using ACTIVITI engine. TECHNOLOGIES: Java, Code writing/reviewing, Architecture, Design, Application Security, Kafka, Hazelcast/distributed cache, Activiti Workflow Design and Building (ACTIVITI/RDBMS, Custom using MongoDB), Spring Boot, Spring AOP, Automation, REST API, Vertica, Data Science, FinTech, Event processing, CI/CD (Git, Jenkins, Docker, Kubernetes), Performance/Availability/Reliability of APIs. ### Co-Founder and CTO @ SalesTaxPAL, Inc. Jan 2014 – Jan 2015 | Santa Clara, California, United States Co-founded in building state of the art, crazy fast, e-commerce micro service APIs on cloud for sales and use tax system. Achievements are: • Built crazy fast microservice APIs improving round trip performance by 15X. Achieved by way to removing Database calls, caching rules in memory, multi-threading cart, parallel cache building to replace new rules data with old cache with zero downtime of the system. • Designed and build both Android and iOS mobile apps makes use of the back-end REST APIs. • Automated system tests to measure and monitor quality issues resulting faster execution and a highly reliable software system. • Simplified complicated infrastructure system towards high performance, scalability, and stability. • Ensured zero downtime. Technologies: Java, J2EE, OOP/OOD, Spring Boot, GitHub, AWS Cloud (Route 53, LB, EC2, SES, SNS, MKS, BeanStalk, CodePipeLine, S3, ElastiCache, MongoDB/DocumentDB), REST API Building, API design, Application Security, Mobile App design and building, XCode (iOS), TDD/CI/CD, Android Developer (Android), Startup company skills, Multi-team coordination, application performance and availability, unit test, integration test, test automation. ### Member Of Technical Staff @ eBay Jan 2009 – Jan 2014 | San Jose I worked in eBay Checkout Platform. - I was leading, innovating and managing sales and use tax microservice API technology. - Checkout platform testing automation - Leading PayPal payment API integration error handling and reliability issues with eBay checkout platform APIs. Technologies: Java/J2EE, SOA, REST APIs, Clear case, OOD, OOP, Eclipse, IntelliJ, SOAP, JAXB, WSDL, JMS, Event, Cloud, XML, UML, Big Data, Hadoop, Big Data, Mongo DB, NoSql, Jenkins/Hudson, Test automation, Performance analysis, PayPal payment APIs, Vertex micro services. ### Principal Member Of Technical Staff @ Oracle Jan 2006 – Jan 2009 | Redwoord City Leader in Oracle EM platform technologies, was leading ClearApp and BTM (Business Transaction Management) applications. Technologies: Java, Java Swing UI, J2EE, AOP (AspectWerkz), Application Servers (Oracle WebLogic, IBM WebSphere, Tomcat), Databases (Oracle 11g), Oracle SOA Suite, Oracle JDeveloper, Agile, Scrum, REST APIs, RDBMS. ### Software Engineer @ Hewlett-Packard, USA Jan 2005 – Jan 2006 | Fort Collins, Colorado Area (Bangalore/Chennai India) Worked on various projects such as Open View – Network Node Manager, Customer Service Call Tracking System, Automation of Banking Operations, and Common Message Transfer Services (CMTS) Duration: April, 1995 – Mar, 2002 Employer: Hewlett-Packard Role: Developer Worked on various projects in HP as software development engineer. Environment: C/C++, Java, J2EE, CGI, Servlet, JDBC, PL/SQL, JNI, Swing, Shell/Perl Scripting, SYBASE, HTML, OFS (ObjectView Framework), ClearCase, UML, HP-UX, Windows ## Education ### Indian Institute of Management Mumbai ### Bachelor of Engineer in Mechanical Engineering Jadavpur University ## Contact & Social - LinkedIn: https://linkedin.com/in/deepray2015 --- Source: https://flows.cv/dipak JSON Resume: https://flows.cv/dipak/resume.json Last updated: 2026-04-12