Arup Baroi

About Arup Baroi

Infrastructure and distributed systems leader with 16+ years of experience building and operating mission-critical platforms at Amazon across AI-enabled supply chain planning and forecasting platforms, ads campaign management and measurement infrastructure, and enterprise mobile systems. Expertise includes multi-tenant platform architecture, distributed workflow orchestration, large-scale storage and serving systems, API-first platform design, and reliability-first operations with strong focus on scalability, fault isolation, observability, governance, and safe production rollouts. Scaled planning and forecasting execution from ~500K to 50M time series per run (100×) through sharded compute, I/O-efficient pipelines, optimized hot/cold storage patterns, and failure-isolated orchestration. Built platform foundations across multiple domains, including AI-enabled supply chain systems, 3P attribution and measurement infrastructure, campaign management and reporting platforms, advertiser/integrator APIs, governed data platforms, and enterprise mobile architecture with real-time dynamic configuration and modular frameworks. More recently, integrated AI-assisted and agentic capabilities such as AutoML, workflow introspection, anomaly surfacing, explainability, drift validation, guided debugging, governed model evaluation, and decision support into deterministic production systems. Known for defining North Star architecture, simplifying fragmented ecosystems into cohesive platforms, leading cross-org initiatives spanning 50+ engineers, and driving technical strategy, design reviews, execution standards, and senior engineer mentorship. Targeting Staff / Principal / Senior Principal roles focused on distributed systems, platform infrastructure, storage/compute systems, orchestration, and AI-enabled enterprise platforms

Experience

1. Sr Sde - Principal Scope Technology Leader

   Amazon

   Aug 2019 — Present · Bellevue, WA, US

   Principal-level engineering leader building and scaling distributed platforms across AWS Supply Chain, Amazon Retail, Amazon Ads, and Amazon Business Mobile. Defined North Star architectures and reusable control-plane/data-plane foundations for highly available, multi-tenant, data-intensive systems.Architected platform infrastructure spanning workflow orchestration, AI-enabled data planes, hot/cold storage, APIs, governance, reliability, and ML-enabled execution. Built an AI-enabled supply chain platform/operating system across demand forecasting, planning, allocation, auto-replenishment, inventory optimization, order promising, and control tower workflows, influencing 20+ teams and 75+ engineers.Designed shared control plane + AI-enabled data plane systems for deterministic execution, governance, auditability, rollback, and safe replay across 100B-scale datasets. Scaled forecasting from ~500K to 50M time series/run (100×) using Step Functions, sharded compute, and S3/Redshift pipelines; built AutoML with AutoGluon, multi-model benchmarking, model routing, explainability, drift/model validation, workflow introspection, anomaly surfacing, guided debugging, and AI-enabled query/serving for fast planning analytics.Served as architectural owner for Amazon Ads attribution, campaign management, measurement, data lake, and reporting platforms; influenced 10+ teams and 50+ engineers. Built Ads measurement supporting 2B+ daily events, launched 32 public advertiser/integrator APIs, improved reporting freshness by ~75% and reliability to 99.9%+, and led PB-scale EU DMA re-architecture. Built Amazon Business Mobile from ideation to global launch with modular architecture, dynamic runtime configuration, enterprise SSO, and build-variant foundations for a product with $2B+ projected revenue impact.

Education

• West Bengal University of Technology, Kolkata

  Bachelor of Technology (B.Tech.), Computer Science

  2005 — 2009

Skills

• Oracle
• J2ee Web Services
• Jsp
• Eclipse
• Sqoop
• C
• Jquery UI
• Pl/Sql
• Spring Batch
• Eureka
• Spring Cloud
• Spring Mvc
• Spring Boot
• Liferay
• Apache Kafka
• C++
• Apache Storm
• Software Development
• Javaserver Pages (Jsp)
• Ajax
• Data Migration
• Spring
• Sql
• Apache Zookeeper
• Hibernate
• Spring Data
• Java
• Microservices
• Spring Security
• Unix
• Apache Spark
• Big Data
• Html
• Feign
• Javascript
• Microsoft Sql Server
• Core Java
• Spring Framework
• Java Enterprise Edition
• Ejb