Available for freelance projects

AI Integration & Security Engineer · Phoenix, AZ

I build and shipreal products with AI.

15 years shipping production systems across .NET, Angular, Node, and Python — plus a real offensive-security background and a former DoD Secret clearance. I use AI to design and build end to end, from LLM-integrated apps to a released Steam game.

Play Sonak on SteamGet in touchGitHub
Iggy Krajci
15+
Years shipping software
4
Senior engineering roles
DoD
Secret clearance (former)
Shipped & recognized bySteamAmazonApressIntel Reading ListDoD Secret

Selected work

Sonakhover to play

Sonak

Shipped game · playable Steam demo

A dark-fantasy action RPG with a dynamic ability-crafting system — built and shipped with AI as the development partner. Six-element mastery, evolving builds, loot forging, and dynamic bosses. Published under Sublime Orange LLC.

Game DevAI-BuiltGameplay SystemsSteam
Play the demo on Steam →
Gridworks Kakuro
Gridworks Kakuro — interior page 1
Gridworks Kakuro — interior page 2
hover to peek

Gridworks Kakuro

Published book · Amazon

A full 200-puzzle Kakuro book — generation, solving, and print-ready layout — authored end to end with an AI-driven workflow and published on Amazon.

AI-BuiltGenerative PipelinePublishing
View on Amazon →
Android on x86
Android on x86 — interior page 1
Android on x86 — interior page 2
hover to peek

Android on x86

Published technical book · Apress

Co-author and researcher on optimizing Android for Intel architecture — selected for Intel's Recommended Reading List.

AndroidSystemsPerformance
View on Amazon →

What I can build for you

01

AI Integration

Claude/LLM features, RAG, and agents built into your product — production-ready.

02

Secure LLM Audit

Prompt-injection and OWASP-LLM review of your AI features by a real pentester.

03

Full-Stack Builds

End-to-end web apps in .NET, Node, Angular, or Next.js — shipped and maintained.

04

Game & Prototypes

Playable prototypes and gameplay systems, built fast with an AI-driven workflow.

Experience

FEI Systems

FEI Systems · Sr. Software Engineer

2016 – Present

Consumer-facing .NET + Angular apps. Redesigned and migrated a system managing Maryland's health workflows for millions of clients from RavenDB to MySQL for performance and security.

.NETAngularWeb APIMySQL
U-Haul

U-Haul · Sr. Software Engineer

2015 – 2016

Internal web/desktop .NET apps and U-Box web apps managing customer orders and real-time interactions.

.NETAngularMySQL
GoDaddy

GoDaddy · Sr. Software Engineer

2013 – 2015

Rewrote the SSL Portal in Node.js and built backend PKI infrastructure, including customer key generation.

Node.jsPKIExpress
SAIFE Inc.

SAIFE Inc. · Technical Lead / Engineer

2011 – 2013

Formerly Cummings Engineering. Lead on real-time situational-awareness apps for law enforcement, plus DoD contract work.

PythonDjangoPostgreSQL

Skills

AI / LLM

ClaudeLLM IntegrationRAGAI-Assisted Delivery

Languages

C#PythonTypeScriptGoC++Java

Full-Stack

.NETAngularNode.jsDjangoNext.js

Security

Web App Pen TestingNetwork AssessmentsPhysical Pen TestsPKI

Tooling

NmapMetasploitSQLmapWiresharkIDAGDB

Credentials

✦Former DoD Secret security clearance
✦Published author — Android on x86 (Apress) & Gridworks Kakuro (Amazon)
✦Shipped Steam title — Sonak (Sublime Orange LLC)
✦BS, Advancing Computer Science — University of Advancing Technology

Let's build something.

Have an AI integration, a full-stack build, or a security review in mind? I take on select freelance projects.

Email meGitHub