Senior Software Development Engineer  ·  Amazon Security

Hi, I'm
Brian Moore.

I architect large-scale distributed systems that process hundreds of petabytes of security data daily — built for reliability, efficiency, and the teams who depend on them.

11+
Years at Amazon
55+
Engineers Influenced
$10M+
Annual Cost Savings
100s PB
Data Processed / Day
View My Work → Get In Touch
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Brian Moore
Location San Luis Obispo, CA
Employer Amazon
Focus Backend · Cloud · Systems
Education B.S. Computer Engineering
Cal Poly SLO, 2017
LinkedIn bmooredev →

Engineering at
planet scale.

I'm a Senior Software Development Engineer at Amazon with over 11 years building the infrastructure behind Amazon Security. I specialize in large-scale distributed systems — the kind that quietly process hundreds of petabytes every day across every AWS region, including dedicated and sovereign clouds.

I currently lead technical architecture across four engineering teams and 30+ engineers, regularly advising an additional 25+ across three more teams. I thrive on ambiguity: breaking down complex architectural problems, driving alignment, and making sure we're always building the right thing in the right way. I've driven infrastructure optimizations saving $10M+ annually out of a $70M+ platform budget.

Outside of work I'm a proud SLO local. I serve as 2nd Vice President of the Benevolent and Protective Order of Elks, SLO Lodge — managing a $2M budget and helping build community. I'm a Cal Poly Computer Engineering alum and happy to still call the Central Coast home.

Let's talk →

What I work
with.

⚙️

Core Languages

Languages

Java Python TypeScript SQL Bash C#
☁️

Infrastructure

Cloud & DevOps

AWS Docker CI/CD Git Multi-region Sovereign Cloud
🏗️

Architecture

Systems Design

Large Scale Systems High Availability Distributed Systems Big Data Pipelines Microservices
🔒

Reliability

Operational Excellence

Incident Management Capacity Planning Load Testing Cost Optimization Peak Readiness
🤝

Leadership

Technical Leadership

Architecture Reviews Mentoring Cross-team Collab Meeting Facilitation Org-level Advisory
📊

Data

Data Platforms

Petabyte-scale Storage Data Ingestion Query Optimization Security Data Event Processing

Work Experience

Where I've
been.

Senior Software Development Engineer Jul 2022 — Present

Amazon · Amazon Security · San Luis Obispo, CA

Lead technical architecture for Amazon Security's data storage ingestion, processing, and querying platform. Direct influence spans 4 engineering teams totaling 30+ engineers, with regular collaboration and advisement across 3 additional teams of 25+ engineers. Identify and break down ambiguous technical problems, recommending solutions to organizational leadership. Identified and implemented infrastructure optimizations saving $10M+ annually out of a $70M+ platform budget.

Java Python TypeScript AWS Docker CI/CD SQL Technical Leadership
Software Development Engineer II Dec 2017 — Jul 2022

Amazon · Prime, Last Mile Delivery & Security · San Luis Obispo, CA

Worked across Amazon Prime, Last Mile Delivery, and Amazon Security with a focus on operational excellence and strong system architecture. In Amazon Security, served as primary architect for a big data processing platform handling petabytes of security data company-wide — built from scratch with a 5-person team, fully on AWS. The platform grew to process hundreds of petabytes of data per day across all AWS regions including dedicated and sovereign clouds. Recognized as subject matter expert for the majority of the system.

Java Python AWS Big Data High Availability TypeScript Docker
Software Development Engineer I Jul 2017 — Dec 2017

Amazon · Prime Benefits · San Luis Obispo, CA

Supported the Prime Benefits system through Q4 holiday peak readiness. Engineered scaling formulas from traffic projections to ensure all systems were prepared for peak load. Executed game day testing and additional scaling activities. Reported readiness status to leadership on a company-wide weekly call leading up to the holiday peak.

Java AWS Capacity Planning CI/CD
Junior Software Developer Jan 2015 — Jul 2017

Amazon · Prime Benefits (Year-round Internship) · San Luis Obispo, CA

Year-round internship (16 hrs/week during school year, full-time in summers) supporting Amazon Prime Benefits. Led architecture and development of two complete systems that played critical roles in enabling Prime benefit usage during Amazon's worldwide checkout pipeline — called on every order placed globally. Trained the team on order pipeline plugins and served as subject matter expert for both systems during and after the internship.

Java AWS Large Scale Systems CI/CD Git
Software Development Intern Feb 2013 — Sep 2013

Family Heritage Life Insurance Company of America · Broadview Heights, OH

High school intern resolving software bugs in the company's agent portal, licensing, and sales systems. Owned fixes end-to-end — from requirement scoping and meetings with department heads through to production validation.

C# SQL

Let's build
something.

Whether you want to talk distributed systems, have a hard architectural problem, or just want to connect with a fellow engineer — feel free to reach out. I'm always happy to have a good technical conversation.

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