G. Madi - Senior Software and Security Architect

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Summary

Senior software and security architect with deep experience building distributed systems, high-performance APIs, cloud-native platforms, and AI-enabled applications. Known for modernizing legacy environments, leading complex initiatives end to end, and delivering scalable solutions across enterprise security, storage, product engineering, and applied LLM systems.

Work Experience

Senior Software Engineer

Workday
2024 - Present
  • Engineer and enhance highly available distributed storage platforms primarily in Erlang, with supporting Python and automation scripts across production services and internal tooling.
  • Design and architect new platform features from concept through delivery, including experiments, proofs of concept, implementation plans, and cross-team technical alignment.
  • Build and maintain Jenkins-based CI/CD pipelines, release workflows, and Artifactory deployment processes to improve delivery consistency and operational readiness.
  • Partner across engineering, DevOps, and security teams on production support, release activities, on-call operations, Grafana-based observability, and incident follow-through.
  • Serve as team security champion and AI champion, performing security audits, promoting secure engineering practices, and helping evaluate practical AI-assisted development workflows.
  • Mentor junior engineers and produce clear technical documentation, Confluence pages, and leadership-facing reports that improve knowledge sharing and decision-making.

Senior Solution Architect

AT&T Chief Security Office (CSO)
2008 - 2024
  • Architected highly available distributed systems that enabled large-scale parallel processing and improved platform reliability.
  • Led backend development for the AT&T Dynamic Defense system, strengthening security operations capabilities.
  • Built high-performance REST APIs to support secure, scalable application integration.
  • Reduced processing times by 60% by designing and implementing an innovative data indexing system.
  • Delivered responsive user interfaces and high-performance backend services for mission-critical applications.
  • Accelerated large-scale data processing by 12x through distributed data pipeline and parallel compute architectures, improving scalability and throughput.
  • Directed migration of multiple applications to Azure Cloud, improving flexibility and modernization readiness.
  • Owned projects end to end, from requirements and prioritization through design, development, deployment, and ongoing support.
  • Consistently delivered high-quality solutions on schedule, within scope, and with strong operational reliability.

Software Engineer

AT&T Bell Labs
2007 - 2008
  • Built and optimized large-scale backend applications and enterprise prototypes.
  • Engineered efficient large-scale data storage solutions to meet demanding performance and reliability requirements.
  • Designed clustered systems for high-volume data collection, processing, and analysis.
  • Developed test plans and technical documentation while overseeing installation and deployment procedures.

Projects

  • SmartShade Software | Beach Chair Rental System — Suncoast Beach Service

    Architected and built rental operations software used to manage beach chair and umbrella services across multiple beach locations.

  • Poliseer | AI Security Policy Scanner — Bytewhisper Security

    Led product architecture and development for an AI-powered security policy analysis platform, including a retrieval-augmented generation (RAG) system using local models via Ollama, OpenAI APIs, vector stores, and semantic retrieval technologies.

  • OpenRiak | Distributed, Decentralized Data Storage System — OpenRiak on GitHub

    Contributed as an open-source maintainer for a distributed decentralized data storage system.

  • CIGA | California Insurance Guarantee Association

    Led engineering modernization efforts as engineering manager for a regulated insurance organization.

Skills & Tools

Languages

  • Python
  • JavaScript
  • TypeScript
  • Erlang
  • Scala
  • C/C++

AI & LLM Systems

  • GitHub Copilot
  • Cursor
  • Claude
  • OpenAI APIs
  • Ollama
  • RAG
  • Vector Stores
  • Semantic Search
  • Prompt Engineering
  • Local LLM Workflows
  • AI-Assisted Development

Cloud & Platform Engineering

  • AWS
  • Azure
  • Docker
  • Kubernetes
  • Linux
  • Distributed Systems
  • Microservices

Architecture & Data Systems

  • API Design
  • NoSQL
  • Databases
  • Data Processing
  • Scalable Backend Systems
  • Riak
  • Redis

Delivery & Engineering Practices

  • Git
  • Jira
  • Agile
  • Confluence
  • Requirements
  • Design
  • Architecture
  • Testing
  • Documentation
  • Troubleshooting

Certifications

  • CISSP - Certified Information Systems Security Professional

Education

  • MS in Computer Science
    Georgia Institute of Technology, Atlanta, GA
  • BS in Electrical and Computer Engineering
    University of Alabama, Tuscaloosa, AL

Awards and Patents

Credentials

  • Spoken Languages: English, French, Arabic (Lebanese)

Community

  • Reserve Sergeant Jefferson County Sheriff’s Office - 2002 to 2023
  • Member of the Board of Directors Paradise Isle Resort - 2015 to 2023
  • Radio Co-host Max Radio Station - 2019 to 2020