Arun Santhiagu
Centerton,AR
Summary
Engineering leader with 15 years of experience in product development, specializing in business intelligence and analytics systems. Proven track record in leading global engineering teams and driving enterprise platform transformations at Walmart Global Tech. Expertise in talent identification, team mentoring, and fostering collaborative partnerships to eliminate silos. Recognized for delivering measurable business outcomes through strategic leadership and innovation.
Overview
18
18
years of professional experience
Work History
Senior Manager, Engineering
Walmart Global Tech
Bentonville, AR
05.2019 - Current
- Launched Assortment planning tool, for US Walmart Merchandising and make it as scalable platform for sams,international business as well
- Owned engineering delivery for a Assortment management
platform supporting a $9B receipts/year business and driving
$125M markdown reduction through improved assortment decision and workflowautomation - Launched Oneitem - Enterprise preitem repository establishes the foundation to achieve a projected 60,000 hours in annual time savings as the AP Tool is scaled across initial departments.
- Scaled the engineering team and pioneered a new Kubernetes-based platform that
reduced deployment time by 95% (from 1 hour to minutes) and reduced cloud spend
by 30% through dynamic scaling, clear SLOs and cost governance. - Led the launch and scale of Merch One, a unified merchandising platform achieving 99% merchant adoption and becoming the single daily experience for business performance and action-taking.
- Designed and implemented a multi-tenant architecture with full i18n support, delivering international expansion to Canada and Mexico as part of a CTO-priority initiative.
Software Engineer
Walmart Global Tech
Bentonville, AR
06.2011 - 04.2019
- Re-architected backend systems to improve performance, reduce cloud costs, and enable multi-tenancy for Flightdeck; implemented tier-based clustering to eliminate single points of failure and enhance system stability.
- Designed and guided enterprise architecture for complex systems, aligning technical solutions with business objectives and influencing IT roadmaps.
- Led development of the Global Data Portal supporting merchandise and finance transformation initiatives.
- Designed and implemented foundational finance data lake tables to accelerate finance transformation goals.
- Developed and deployed scalable ETL pipelines using DataStage for global replenishment systems, migrating item data from Inforum to JDA.
- Delivered international ETL solutions across Mexico, Chile, and Canada, ensuring reliable data integration and regional compliance.
Analyst, Business Intelligence
Verizon Data communication
Chennai, India
11.2007 - 06.2011
- Developed and deployed Oracle BI (OBIEE) dashboards and reports to support Verizon’s mobile data communication analytics.
- Designed and optimized RPD data models, subject areas, and ETL mappings for telecom performance reporting.
- Built interactive dashboards to track mobile usage, subscriber growth, churn metrics, and revenue KPIs.
Education
Bachelor of Engineering - Electronics And Communication
Anna University
Chennai,india05-2005
Skills
- Thought Leadership
- Stakeholder Management
- Assortment management
- Real-time analytics
- Platform scalability
- Team leadership
- Cross-functional management
- Product Strategy
Honor Awards
- Super Leader Award 2023
- MADA Excellence Award 2021
- Swim Upstream Award 2018
- Associate of the Quarter (2015,2013,2012)
Websites
Timeline
Senior Manager, Engineering
Walmart Global Tech
05.2019 - Current
Software Engineer
Walmart Global Tech
06.2011 - 04.2019
Analyst, Business Intelligence
Verizon Data communication
11.2007 - 06.2011
Bachelor of Engineering - Electronics And Communication
Anna University