Summary
Overview
Work History
Education
Awards
Leadership Contributions
Timeline
Generic

Sachin Gaurav Srivastava

Bangor

Summary

A visionary technology leader with over 25 years of experience in software engineering, digital transformation, and strategic leadership, currently leading a global team of 370+ engineers and architects at Walmart Global Tech. Proven expertise in AI-driven innovation, data platforms, fintech solutions, cloud cost optimization, and operational excellence. Spearheaded Finance 2.0 Transformation, driving the success of CILL (Central Item Level Ledger) Platform, Fintech WCP integration, Convergence with Enterprise Data Platform and Agentic AI adoption in Fintech. Deep expertise in SAP (S/4HANA), Data Engineering, Full-Stack Development, Cloud Platforms, and Data Science. A people-first leader, driving a culture of high performance, learning, and innovation.

Overview

22
22
years of professional experience

Work History

Senior Director, Software Engineering & Architecture

Walmart Global Tech
07.2020 - Current

Proven expertise in:

Digital transformation & automation – Led Finance 2.0 Transformation, delivering three major releases of CILL Platform and enabling end-to-end modernization of financial systems.

Cloud & cost efficiency – Achieved $6.1M in cloud savings, optimized BigQuery by 58%, and cut FDF daily spend by 64%.

Engineering excellence & DevOps – Achieved 100% CI/CD pipeline automation, one-click deployments, and reduced defect rates by 85% via E2E automation.

AI & data science – Architected AI-powered anomaly detection (GLAD) improving reconciliation accuracy by 76% and reduce Book closure issues by 50%.Leading Agentic AI Platform development to integrate AI-driven financial automation and enhance decision-making capabilities in Fintech.

Platform & Data Strategy – Architected FDF Lakehouse (FDLH), consolidating 50+ duplicate data assets, unlocking $1.2M in savings. Driving Fintech and Enterprise Data Platform convergence and integration with GTP.

Strategic & org-wide impact – First adopter of Unified Data Platform (UDP).Inner sourced CILL associates to develop features in UDP for Finance Transformation needs. Strengthened partnerships with GTP to inner source the Data Observability Platform and ensure enterprise-wide data consistency and lineage. Leading design & architecture for the Omni Allocation Platform, a new Fintech initiative to streamline financial planning and allocation models.

A people-first leader- focused on developing high-performance, diverse teams while driving business impact through technology.

Key Achievements

Accelerate Digital Transformation & Innovation

  • Led Finance 2.0 Transformation, successfully delivering three major releases of the CILL platform.
  • Cloud & Cost Optimization: Reduced BigQuery costs by 58%, FDS daily spend by 64%, and achieved $6.1M in cloud cost savings across EBS.
  • AI & Automation: Implemented GenAI-driven anomaly detection for financial reconciliation, increasing accuracy to 76%.
  • Data & Platform Strategy: Architected FDF Lakehouse (FDLH), consolidating 50+ duplicate data assets, unlocking $1.2M in savings over three years.
  • CI/CD & DevOps Excellence: Achieved 93% Open Systems CI/CD pipeline automation and 92% adoption across FDF.

Building & Developing Talent

  • Scaled teams from 8 to 80+ engineers for CILL, ensuring multi-tech stack expertise in Spark, Hive, Scala, Python, Java, Cloud Platforms, and AI.
  • Led DAC (Direction-Alignment-Commitment) initiative, Flamingo – Cross Tech Collaboration, Right Fit, and Mentor Circles programs benefiting 57+ associates.
  • Upskilling & Certifications: Enabled 40% of associates to become Walmart Certified Developers, with 4000+ courses completed and 150+ technical certifications achieved.
  • Hackathons & Engineering Culture: High participation in Techathons, Spark Tank, Findare, and EBS Tech Talks, winning awards for innovative solutions.

Diversity in Technology

As a technology leader with deep expertise across multiple domains, I have built and led high-performing teams that drive digital transformation through diverse technology adoption, cross-functional innovation, and engineering excellence. My technology depth spans across Data Engineering, Cloud Architecture, AI/ML, Full-Stack Development, SAP (S/4HANA), and DevOps, while my technology breadth encompasses modern platforms, data ecosystems, and advanced automation frameworks.

Technical Depth – Mastering Cutting-Edge Technologies

  • Enterprise Data & Cloud Platforms: Architected and scaled Finance Data Lakehouse (FDLH), integrating BigQuery, GCP, Snowflake, and Kafka, enabling high-performance data processing and eliminating redundant data pipelines.
  • AI & Data Science: Led the development of an AI-powered Anomaly Detection Platform (GLAD), leveraging time-series forecasting models to improve financial reconciliation accuracy by 76%.
  • Advanced Data Processing & Observability: Established event-driven architectures in CILL, implemented real-time parallel processing, and integrated Airflow & Spline into our Data Observability framework.
  • Engineering Automation & DevOps: Spearheaded full CI/CD automation across FDF, achieving 92% adoption, enabling one-click deployments, automated rollbacks, and canary releases to enhance system resilience.
  • Fintech & SAP Expertise: Delivered end-to-end Finance 2.0 modernization, optimizing S/4HANA integration with CILL, PostIT, and WCP for seamless financial data processing.

Technical Breadth – Expanding Across Ecosystems

  • Inner-sourcing and Open Collaboration: Drove inner-sourcing initiatives on the Data Observability Platform, collaborating with GTP on Enterprise Data Platform (EDP) and Unified Data Platform (UDP) to improve enterprise-wide data consistency.
  • Cross-Functional Engineering Capabilities: Led teams skilled in Spark, Scala, Python, Java, NoSQL, Graph Databases, API-driven architectures, and AI-based decision systems, ensuring a cross-trained, full-stack engineering workforce.
  • Multi-Cloud & Hybrid Architectures: Developed cloud-agnostic strategies for financial data processing, ensuring scalability across GCP, Azure, and on-premise environments while optimizing cloud costs by $6.1M.

Strategic & Total Company Perspective

As a Senior Director leading global technology initiatives, I operate with a total company mindset, aligning engineering strategies with Walmart’s long-term vision for digital transformation, financial modernization, and operational efficiency.

Enterprise-Wide Collaboration & Business Alignment

  • Strategic Finance Transformation: Delivered Finance 2.0 modernization, enabling near-real-time data availability for accounting, reconciliation, and financial forecasting, improving reporting timelines by 30%.
  • Business Stakeholder Engagement: Partnered closely with finance, risk, and compliance leadership to drive data-driven decision-making, ensuring Walmart’s financial data integrity, compliance, and regulatory alignment.
  • Accelerating Walmart’s Marketplace Expansion: Led WCP integration, streamlining financial transactions for Walmart Marketplace in Canada, and Mexico, driving faster transaction settlements and financial reporting.

Strengthening Partnerships with GTP & Driving Allied Sourcing

  • Enterprise Data Platform (EDP) Convergence: Spearheaded Walmart’s Finance Data Platform (FDF) integration with EDP, ensuring data governance, lineage tracking, and reconciliation automation for enterprise-wide consistency.
  • Unified Data Platform (UDP) Integration: Partnered with GTP to leverage UDP’s scalable data ingestion framework, enhancing data validation, processing efficiency, and reducing reconciliation errors by 40%.
  • Inner-Sourcing & Data Observability Platform: Established an innersourcing model for the Data Observability Platform, enabling collaborative development between FDF, GTP, and broader engineering teams.

Driving Cost Efficiency & Engineering Optimization

  • Cloud Cost Optimization: Reduced Fintech’s cloud spend by 58%, leveraging multi-cloud strategies, serverless computing, and infrastructure-as-code to optimize compute/storage utilization.
  • Operational & Engineering Excellence: Maintained 99.99% application uptime, implemented automated monitoring across ServiceNow, Spotlight, and Kibana, and reduced Mean Time to Detect (MTTD) to
  • Finance Data Lakehouse (FDLH) Rationalization: Consolidated FCP, FDL, and IDL into a single data lakehouse, reducing 50+ duplicate data assets, enabling $1.2M in savings over three years.

Customer Focus & Operational Excellence

  • Achieved 99.99% uptime for all critical applications, ensuring high availability and disaster recovery readiness.
  • Reduced defect count by 85% through E2E Regression Automation, accelerating time-to-market.
  • Increased Sprint Predictability to 85% and improved PR closure time by 40% (from 40 hours to 24 hours).
  • Ensured 100% ITGC/SOX compliance and 0 critical vulnerabilities open beyond 30 days.

Director of Technology

Target Corporation India Limited
08.2015 - 07.2020


  • Provided Global Technology Team Leadership for Finance Solutions Portfolio with 130 FTE and $20M budget by bring in strong technology aptitude and responsible for a portfolio of technologies (SAP, Mainframe, Open Source and ML&AI) with a focus on performance across a variety of operating metrics: team, stability, business value, and financial. Developed strong relationships with all levels of senior/executive leadership, becoming the trusted single point of contact with stakeholders for all technology initiatives and communications for the Portfolio. Provide leadership to four products under Finance solutions Portfolio –Record to Report, Procure to Pay, Sales to Cash and Inventory Valuation and Gross Margin.
  • Provide site leadership for the SAP and Financial Retail Services (FRS) technology teams in India.
  • Accountable for Global IT capabilities in Enterprise Applications supporting Finance, platforms & engineering functions.
  • Accountable for Engineering Capability/Leadership: Vision & Roadmaps, Strategic planning OKRs & Budgets, Transformation Leadership: Technology, Talent and Delivery Models, Practices: DevOps, Agile, Product Model.
  • Delivered multi-million $ cost savings as part of OKR delivery spanning Finance/Supply Chain/Stores through Mainframe Transformation to SAP/Open Source, Retail to SAP Cost Accounting adoption, SAP Sales Processing and Middleware Modernization programs (Datastage/MFT modernization and adaption to SAP DataServices, API’s, and Kafka).
  • Defined, evangelized and drove adoption of CIO and Enterprise Architecture EKI’s across the enterprise focusing on Tech Debt, Technology Modernization and Simplification, realizing significant benefits through 100% API/Micro services/open stack based layered platform and technology life cycle improvement by 20%. Defined the SAP Road-map for Finance BU with Suite on HANA, S4 HANA, DataHub and Data services capabilities.
  • Led change management programs and drove global capabilities into the Target GIC that drove efficiencies into existing engineering and delivery processes. Envisioned and built in-house technology capabilities and reduced contractor footprint by 70% across shores. Managing strategic vendor partnerships with leading service providers.
  • Successfully transformed Corporate Systems BU to a lean, high performing Product organization within 3 years. Provide leadership, coaching, motivation and assistance to engineering managers and team members to ensure teamwork and high performance in the accomplishment of all responsibilities and product backlogs. Drove Diversity and Inclusivity initiatives.
  • End to end ownership for stability, risk and compliance and security of the system landscape. Achieved reduction of incidents/events by 20% YOY.Technical Product Management and Development - Partnered with vendors and product directors on technology and product road map.
  • Implemented strategies that allowed in house talent to focus on emerging technologies and practices while maintaining operational targets. Work on continuous innovation; bring industry knowledge and external perspective to shape technology.
  • Continuous assessment and improvement of maturity in the existing Product Management Model, Agile/Scrum development and DevOps. Built & led highly motivated, agile engineering teams with a very strong product focus.
  • Successful Technology transformation by reducing batch based Legacy applications footprint to real time Open source/stack – API, Kafka based.
  • Adoption on DevOps - 30% decrease in average time between code commit to production deployment
  • Championed CSR initiative across Corporate System BU with 10000 hrs. Of community relation.
  • Championed D&I initiative for Corporate Systems SBU and led Hackathons/Tech Bytes/Inner source projects and Inner Conferences across wide technology themes.

Associate Director – SAP Practice

Cognizant Technologies Solutions
10.2009 - 07.2015


  • Led three large Global SAP transformation programs with combined revenue of over $31M YOY and more than 250 FTE’s rolling up to the programs.
  • Responsible for client engagement, relationship management and leadership/steering committee communication. Provide strategic inputs and pursued transformational Initiatives - H1 (ADM, AVM), H2 (IT IS, BPO) and H3 (Mobility, SaaS, Social) with the client base.
  • Drove application portfolio rationalization strategy with one of the client and ensured the ROI is realized sooner than expected in addition of reduced TCO.
  • Responsible for overall Forecasting and P&L of the accounts managed. Have experience with various pricing models – T&M, Fix Bid, Core-Flex and ticket based.
  • Responsible for program governance and delivery of SAP managed services projects and running strategic initiatives to drive Efficiency improvement and cost reduction programs. Business development in existing accounts and new prospective clients.
  • Headed the setup and managed the Integrated Service Delivery of SAP Shared Services in Bangalore location for 12 support engagements covering 125 FTE’s.
  • Setting up offshore development center for SAP AMS, implementation and testing projects in various account.
  • Expanded AMS service to the clients Europe business post SAP implementation in the US for one of the clients.

ERP Program Manager

Keane India(NTT Data)
12.2002 - 10.2009

Details can be provided upon request for achievements while at Keane India and prior organizations since 1998

Education

Advanced Certification in Generative AI -

UpGrad
12.2024

Advanced Professional Certification in Data Engineering -

IBM
10-2024

Post-Graduate Program in Full-Stack Engineering -

BITS Pilani
12.2023

Post Graduate Program in ML and AI -

IIIT Bangalore
04-2019

Bachelor of Engineering - Electrical

CRSCE
05-1998

Awards

  • Tech Forward Award, 2023, Recognized by Walmart CTO for driving digital transformation in Fintech
  • Multiple Hackathon & Spark Tank Wins, For AI-driven finance solutions and engineering excellence

Leadership Contributions

  • Cloud Cost Optimization Leader, Delivered $6.1M in cloud savings across EBS, exceeding annual targets.
  • Internal Complaints Committee (ICC) Member, Driving ethics and workplace inclusion.
  • IDC Vision 2027, Leading the 'Continuous Learning Culture' Track
  • Mentorship & Coaching, Guiding high-potential leaders in Fintech, International, and People Tech.
  • Leadership Hiring, Involved in director and senior engineering leader hiring across business units.

Timeline

Senior Director, Software Engineering & Architecture

Walmart Global Tech
07.2020 - Current

Director of Technology

Target Corporation India Limited
08.2015 - 07.2020

Associate Director – SAP Practice

Cognizant Technologies Solutions
10.2009 - 07.2015

ERP Program Manager

Keane India(NTT Data)
12.2002 - 10.2009

Post-Graduate Program in Full-Stack Engineering -

BITS Pilani

Advanced Certification in Generative AI -

UpGrad

Advanced Professional Certification in Data Engineering -

IBM

Post Graduate Program in ML and AI -

IIIT Bangalore

Bachelor of Engineering - Electrical

CRSCE
Sachin Gaurav Srivastava