Sai Kiran Malikireddy

Distinguished Engineer @ Walmart | Cloud & Data Architect

Building internet-scale platforms where data, AI, and trust converge. I design and lead high-throughput distributed systems, real-time intelligence platforms, and privacy-first AI architectures that power mission-critical B2B and enterprise ecosystems.

My work spans real-time data platforms, AI-driven decision systems, fraud & identity, Marketing , Salestech, and cloud-native architectures — translating deep technical complexity into scalable, revenue-driving products.

10+ Years

Engineering Excellence

3 Patents

Technology Innovation

PB-Scale

Data Platforms

Core Expertise

☁️

Cloud Architecture

Designing cloud-native architectures with focus on scalability, resilience, and cost optimization across multi-cloud environments.

🤖

AI/ML Infrastructure

Building high-throughput AI/ML pipelines, federated learning models, and privacy-first machine learning systems.

Distributed Systems

Architecting multi-billion-row real-time data platforms with optimized performance and system reliability.

🛒

B2B E-Commerce Platforms

Architecting large-scale B2B commerce platforms including catalog, pricing, checkout, invoicing, subscriptions, and enterprise integrations optimized for high GMV and complex buyer workflows.

🛡️

Business Verification, Fraud & AML

Building end-to-end identity, business verification, fraud detection, and AML systems using rule engines, ML models, third-party data providers, and real-time risk orchestration to protect revenue and ensure compliance.

📣

Marketing Technology & Growth Systems

Designing marketing platforms across email, push notifications, SMS, in-app messaging, and attribution systems, enabling personalization, lifecycle automation, experimentation, and measurable growth.

📊

Sales Technology & RevOps Enablement

Architecting sales technology ecosystems including CRM, lead scoring, territory planning, compensation, AI-assisted selling, and analytics to drive pipeline efficiency and revenue acceleration.

📊

Data Engineering

Creating intelligent data pipelines and real-time processing systems leveraging Hadoop, Cassandra, and modern data stacks.

🔒

Privacy & Security

Implementing privacy-first architectures ensuring regulatory compliance while maintaining system agility.

🎯

Salesforce Integration

Integrating AI into sales and marketing ecosystems for advanced targeting, personalization, and revenue growth.

Professional Journey

Distinguished Engineer

Walmart Global Tech

Oct 2024 - Present | San Francisco Bay Area

Leading large-scale transformations in distributed computing, AI/ML, and cloud engineering. Architecting enterprise-wide solutions that redefine technology leverage.

Principal Software Engineer

Walmart Global Tech

Oct 2021 - Oct 2024 | 3 years

Drove architectural decisions for mission-critical systems, optimized distributed systems for scalability, and led privacy-first AI/ML implementations.

Staff & Senior Software Engineer

Walmart Global Tech

Jul 2019 - Oct 2021 | 2+ years

Architected multi-billion-row real-time data platforms and implemented high-impact AI-powered automation solutions.

Senior Software Engineer

Cisco

Nov 2016 - Jul 2019 | 2+ years

Developed enterprise networking solutions and contributed to distributed systems architecture.

Senior Software Engineer - BigData

Bank of America

Dec 2015 - Nov 2016 | 1 year

Specialized in Hadoop ecosystem, developing large-scale data processing solutions for financial systems.

Certifications & Recognition

Google Cloud Certified Professional Cloud Architect

Azure Solutions Architect Expert

Cloudera Certified Developer for Apache Hadoop

Certified Ethical Hacker

Oracle Certified Associate, Java SE 7

IEEE Member

Latest Articles & Insights

📊
MARKETING TECHNOLOGY
January 1, 2026 18 min read

When Salesforce Is Non-Negotiable: Picking the Right Marketing Automation Stack

A practitioner-led, no-BS comparison of Salesforce Marketing Cloud, Marketo, HubSpot, Pardot, and ActiveCampaign—focused on real-world Salesforce integration, lead lifecycle alignment, pricing reality, and what breaks at scale.

Read More →
📊
MARTECH
Dec 22, 2025 Medium Article B2B Marketing

Salesforce Marketing Cloud vs Marketo: A Comprehensive Comparison

A deep, architecture-level comparison of Salesforce Marketing Cloud and Adobe Marketo—covering capabilities, data models, AI features, integrations, and suitability for mid-market vs enterprise organizations.

Read on Medium →
💼
IPO ANALYSIS
October 13, 2025 Medium Article Investment

Figma IPO: GenAI Growth, Hype & Reality - My Verdict

An in-depth analysis of Figma's IPO journey, exploring the intersection of GenAI hype, growth metrics, and investment reality in the design tools market.

Read on Medium →
CRYPTO & IPO
October 13, 2025 Medium Article Investment

Gemini IPO 2025: Revenue, Valuation, Risks - My Investor Take

A comprehensive investor perspective on the Winklevoss-backed Gemini crypto exchange IPO, analyzing revenue trends, valuation metrics, and investment risks.

Read on Medium →
🧬
HEALTHCARE AI
May 18, 2025 10–12 min read

Generative AI in Maternal-Fetal Imaging: A New Era in Prenatal Diagnostics

A deep, practitioner-focused look at how GANs, diffusion models, and digital twins are transforming fetal ultrasound and MRI—enabling earlier anomaly detection, clearer imaging, and more personalized prenatal care.

Read More →
📡
ARCHITECTURE
Dec 20, 2024 12 min read

Architecting Real-Time Data Platforms at Multi-Billion Row Scale

Deep dive into architectural patterns, technology choices, and optimization strategies for building ultra-high-throughput real-time data processing systems that power enterprise decision-making.

Read More →
🔐
AI/ML
Dec 5, 2024 15 min read

Privacy-First AI: Implementing Federated Learning in Production

Comprehensive guide to deploying federated learning models at enterprise scale, balancing privacy requirements with model performance while maintaining regulatory compliance.

Read More →
CLOUD
Nov 18, 2024 10 min read

Cloud Cost Optimization: From $10M to $6M Annual Spend

Strategic approaches and technical tactics that reduced cloud infrastructure costs by 40% while simultaneously improving performance, reliability, and system resilience.

Read More →
🌐
DISTRIBUTED SYSTEMS
Nov 1, 2024 14 min read

Building Fault-Tolerant Distributed Systems: Lessons from Production

War stories and battle-tested patterns for designing resilient distributed systems that handle millions of requests per second while gracefully degrading under failure conditions.

Read More →

Let's Connect

Interested in discussing distributed systems, AI/ML, tech investments, or large-scale enterprise data engineering? Let's collaborate.