DS
Contact

G. Daniel Schillinger

Cybersecurity & AGI Architect

Building zero-trust systems, agentic tooling, and security research from Miami, FL.

Security

Offensive testing and defensive engineering, applied end to end.

Ethical Hacking & Penetration Testing

Authorized Isolated-Lab Assessment · Summer 2026

Executed an authorized enterprise-style security assessment within an isolated laboratory environment, applying NIST SP 800-115, PTES, the OWASP Web Security Testing Guide, and MITRE ATT&CK-aligned methodology.

  • OSINT and reconnaissance, host and web-application discovery
  • Nessus and OWASP ZAP scanning with manual validation
  • Exploitation-path analysis and privilege-escalation testing
  • Validated SQL injection, OS command injection, reflected XSS, and stored XSS strictly within the authorized environment

13 confirmed vulnerabilities documented -- 7 critical, 5 high, 1 medium -- with a risk-ranked remediation roadmap.

Sentient Sync Engine -- Security Controls

Founder & Lead Architect · 2025-Present

A security-focused framework for detecting and responding to multi-agent collusion, including coordinated prompt-injection chains and policy-evasion behavior.

  • Addresses six OWASP LLM Top 10 categories: prompt injection, insecure output handling, model denial of service, sensitive-information disclosure, excessive agency, and overreliance
  • auditor.py implements cryptographic signing and tamper-evident action logging (HMAC-SHA256)
  • Built with Python, LangGraph, Gemini 2.5 Pro, and SQLite
Penetration TestingVulnerability AssessmentOWASP WSTGPTESMITRE ATT&CKMetasploitKali LinuxMalware AnalysisSASTZero-Trust ArchitectureNIST CSFNIST 800-53NIST 800-61OWASP Top 10OWASP ASVSCISA KEV

AGI

Agentic systems, from enterprise production to independent research.

Sentient Sync Engine

Founder & Lead Architect · 2025-Present

AGI collusion-detection architecture. A security-focused framework for detecting and responding to multi-agent collusion, including coordinated prompt-injection chains and policy-evasion behavior.

Python, LangGraph, Gemini 2.5 Pro, Next.js, Tailwind CSS, TypeScript, SQLite, HMAC-SHA256, Vercel

Sterling Realty Group

A / 98 out of 100 from Dr. Barker

Lead Architect & Engineering Lead · Client Capstone Engagement · May-June 2026

Agentic real-estate platform. Led a three-person team through a seven-week, $15,000 client engagement, delivering the platform from project initiation through client proposal and handoff. Owned system architecture, UX, AI orchestration, data integrations, and security controls. Designed autonomous lead qualification, real-estate context tooling, and human-in-the-loop intercepts for high-value client interactions.

Next.js App Router, TypeScript, Tailwind CSS, Python, LangChain, LangGraph, vector retrieval, Redis, Vercel Pro, live MLS data, CRM pipeline connectors

Procurement Intelligence RAG & Guardrails Platform

Project Manager · Client: IB Lux · 2026-Present

Secure German-language procurement knowledge platform supporting private consulting, training, compliance research, and supply-chain decision workflows. Hybrid retrieval with dense embeddings, BM25 keyword search, reciprocal-rank fusion, cross-encoder reranking, and metadata filtering. LangGraph-based routing for commercial analysis, procurement controlling, and strategic sourcing.

LangGraph, hybrid retrieval, dense embeddings, BM25, cross-encoder reranking

Visa In-House LLM

Case-summarization accuracy: 37% -> 90%+ in 30 days

Client Care Senior Support Specialist & GenAI Ambassador+ · 2023-2026

Architected and built Visa's first in-house LLM from the ground up, trained on production-grade, compliance-controlled data using reinforcement learning and continuous retesting, supporting OFAC compliance automation.

Reinforcement learning, OFAC compliance automation, enterprise LLM training

LLMsLlamaLLM DesignReinforcement LearningRAGLangGraphLangChainHybrid RetrievalVector DatabasesAgent Collusion DetectionPrompt-Injection DefenseOWASP LLM Top 10Gemini APIEdge API Integration

Portfolio

Selected work across AGI, cybersecurity, and enterprise AI.

Client engagements, independent research, and enterprise-adopted work — each with measurable outcomes and shipped artifacts.

AGI2025-Present

Sentient Sync Engine

AGI Collusion Detection Architecture

Security-focused framework for detecting and responding to multi-agent collusion, including coordinated prompt-injection chains and policy-evasion behavior. Addresses six OWASP LLM Top 10 categories.

  • 6 / 10 OWASP LLM Top 10 covered
  • auditor.py cryptographic signing
  • Tamper-evident action logging
PythonLangGraphGemini 2.5 ProNext.jsTypeScriptSQLiteHMAC-SHA256Vercel
AGIMay-June 2026

Sterling Realty Group

Agentic Real-Estate Platform

Led a three-person team through a seven-week, $15,000 client engagement, delivering an agentic real-estate platform from initiation through client proposal and handoff. Owned architecture, UX, AI orchestration, data integrations, and security controls.

  • A / 98 out of 100 from Dr. Barker
  • 7-week engagement
  • $15,000 client delivery
Next.js App RouterTypeScriptTailwind CSSPythonLangChainLangGraphRedisVercel ProLive MLS
Enterprise AI2026-Present

Procurement Intelligence RAG

Guardrails Platform · IB Lux (DE)

Secure German-language procurement knowledge platform for private consulting, training, compliance research, and supply-chain decision workflows. Hybrid retrieval with dense embeddings, BM25, reciprocal-rank fusion, cross-encoder reranking, and metadata filtering.

  • Hybrid retrieval architecture
  • LangGraph routing
  • Grounded-answer validation
LangGraphDense EmbeddingsBM25Cross-Encoder RerankingHierarchical Chunking
CybersecuritySummer 2026

Ethical Hacking Assessment

Authorized Isolated-Lab Engagement

Enterprise-style security assessment applying NIST SP 800-115, PTES, OWASP WSTG, and MITRE ATT&CK methodology. OSINT, reconnaissance, Nessus and OWASP ZAP scanning, manual validation, exploitation-path analysis, and remediation planning.

  • 13 vulnerabilities confirmed
  • 7 critical · 5 high · 1 medium
  • Risk-ranked remediation roadmap
NessusOWASP ZAPMetasploitKali LinuxNIST SP 800-115PTESMITRE ATT&CK
Enterprise AI2025

Visa Hackathon Module

Python Suggestive-Reasoning Engine

Designed and built a Python-based suggestive and proactive-reasoning module during Visa's internal hackathon. Selected for production deployment into the Visa 365 Copilot LLM pipeline, strengthening proactive recommendations in enterprise AI workflows.

  • Shipped to production
  • Visa 365 Copilot pipeline
  • Enterprise AI adoption
PythonEnterprise LLMSuggestive ReasoningProactive Reasoning

Tech Stack

G. Daniel Schillinger

01

Dev / DB

Languages

Python, TypeScript, JavaScript, Bash, PowerShell

Markup & Query

SQL, HTML/CSS

Databases

SQLite, Redis, MySQL

02

AI / Prompt

Frameworks

LangGraph, LangChain

RAG

Retrieval-Augmented Generation

Databases

Vector DBs

LLMs & Platforms

Gemini, Claude, Perplexity, NotebookLM

Doc Intelligence

LlamaParse, Docling

Guardrails

OWASP LLM Top 10

03

Sec / Pentest

Environment & Testing

Kali Linux, Malware Analysis

Tools

Metasploit, OWASP ZAP, Nessus, SAST

Frameworks

MITRE ATT&CK, PTES, NIST CSF / 800-53 / 800-61, CISA KEV, IEEE P2842

Strategies

Linux / Windows Hardening, Zero-Trust Architecture, IAM

04

Web / Cloud

Frameworks & UI

Next.js, Tailwind CSS

Interfaces

REST / Edge APIs

Infra & Ops

Docker, Kubernetes, VMware, GitHub, Vercel, Cloudflare, Google Cloud Platform

Observability

Amazon GuardDuty, Amazon CloudWatch

05

Crypto / Comp & Methods

Modern Crypto

HMAC-SHA256, Ed25519, ML-KEM-768

Compliance

OFAC, CCPA, GDPR, PCI-DSS

Methods & Tools

VS Code, Project Management, Cross-Functional Training

Workstreams

Cybersecurity, AGI

Miami, FL · Cybersecurity · AGI · Enterprise AI

Resume

G. Daniel Schillinger

Download PDF

AGI Cybersecurity Architect | GenAI Ambassador+

Miami / Fort Lauderdale, FL · Authorized to Work in the U.S. and EU · Open to Relocation

Professional Summary

AGI cybersecurity architect and enterprise GenAI practitioner with experience in AI-enabled compliance workflows, agentic-system security, RAG architecture, and cyber risk management. At Visa, contributed to an in-house LLM and compliance automation initiative that drove case-summarization accuracy from 37% to more than 90% within 30 days while supporting OFAC-related workflows. Completing a B.S. in Cybersecurity with a 4.0 GPA while delivering secure AI systems, client-facing agentic platforms, and private procurement-intelligence workflows.

Recognition

2024 Client Care Excellence Award

Visa Inc. · 365 Copilot LLM lifecycle

GenAI Ambassador+

Visa Inc. · Enterprise AI enablement

4.0 GPA

Champlain College · Class President · Honors League

Experience

Client Care Senior Support Specialist & GenAI Ambassador+

2023 – April 2026

Visa Inc. · Miami, FL (Hybrid)

  • Architected and built Visa's first in-house LLM from the ground up, trained on production-grade, compliance-controlled sensitive data using reinforcement learning and continuous retesting; supported OFAC compliance automation.
  • Drove case-summarization accuracy from 37% to more than 90% within 30 days, reducing regulatory risk and operational overhead.
  • Selected as a GenAI Visa Ambassador+; trained cross-functional teams on responsible AI use and enterprise AI tooling.
  • Received the 2024 Client Care Excellence Award for contributions to the internal 365 Copilot LLM lifecycle, including suggestive and proactive reasoning frameworks.
  • Served as a Subject Matter Expert, delivering training and recruitment programs across risk, compliance, CCPA, GDPR, OFAC, FinTech regulations, tokenization, and global financial procedures.
  • Directed penetration-testing engagements and malware-analysis cycles; applied zero-trust cryptographic practices across internal systems.
  • Built a Python suggestive-reasoning module adopted for production use in the Visa 365 Copilot LLM pipeline.

Independent Researcher & AGI Security Architect

April 2026 – Present

Self-Directed · Miami, FL

  • Advance the Sentient Sync Engine and auditor.py, focusing on agentic-AI security, AI integrity, and cyber-risk reduction.
  • Design Llama-based LLM workflows for algorithmic-trading research through Edge API integration, emphasizing system design, data-informed reasoning, and controlled automation.
  • Complete B.S. Cybersecurity coursework while pursuing AGI, cybersecurity-architecture, and AI-security roles in financial services and related sectors.

President, VAST — Visa Asians Standing Together

2023 – 2026

Visa Inc. · Miami, FL

  • Led culinary, cultural, philanthropic, and community events representing Asian heritage across Visa's Miami operations.
  • Championed LGBTQIA+ inclusion, diversity, equity, and Visa Foundation charity initiatives.

Education

Bachelor of Science, Cybersecurity

Oct. 2023 – Expected Dec. 2026

Champlain College · Burlington, VT (Online) · GPA: 4.0 · Class President · Honors League

Completed Coursework

Ethical Hacking (CYBR-335)Advanced Python (CMIT-235)Digital Forensics & Investigation (CFDI-240)Intrusion Analysis & Response (CYBR-320)Networking & Security (CYBR-240)Security Scripting with Python (CYBR-260)Mobile Security (CYBR-310)TCP/IP (NETW-215)Wireless Networking (NETW-210)Sysadmin & Network Services (NETW-255)Project Management (MGMT-260)Web Development I (WEBD-125)

Planned Fall 2026 (12 Credits)

Cloud Computing Security (CMIT-280)Operating System Security (CYBR-330)Emerging Threats & Defenses (CYBR-410)Cybersecurity Policy Analysis & Implementation (CYBR-420)

Technical Skills

Programming, Scripting & Databases

PythonTypeScriptJavaScriptBashSQLHTML/CSSPowerShellSQLiteRedisMySQL

AI, Orchestration & Prompt Engineering

LangGraphLangChainRAG ArchitecturesLLM DesignHybrid RetrievalVector DatabasesGoogle AI StudioGemini APIVertex AIClaudePerplexity ProNotebookLMLlamaParseDoclingReinforcement LearningAgent Collusion DetectionPrompt-Injection DefenseOWASP LLM Top 10

Web, Frontend & Automation

Next.jsTailwind CSSREST APIsEdge API IntegrationPower AutomateCreatomate

Cloud, Infrastructure & Deployment

DockerKubernetesVMwareGitHubGitHub ActionsVercelCloudflareGoogle CloudCloud Security ArchitectureAmazon GuardDutyAmazon CloudWatch

Security Frameworks, Pen Testing & Tools

Kali LinuxMetasploit FrameworkOWASP ZAPNessusMalware AnalysisSASTAPI Security TestingSocial Engineering Toolkit (SET)Metasploitableexim4Vulnerability ScanningBaseline AnalysisSystem AuditingPhishing DefenseSpear-Phishing DefenseRansomware DefenseDoS DefenseIoT Threat DefenseOWASP WSTGOWASP Top 10OWASP ASVSPTESMITRE ATT&CKNIST CSFNIST 800-53NIST 800-61CISA KEVIEEE P2842

Operating Systems & Access Control

Linux OS SecurityCommand-Line ManagementService HardeningProgram ProtectionsWindows OS SecurityEndpoint ProtectionIdentity ManagementAuthenticationAuthorizationAccess ControlsPassword PoliciesZero-Trust ArchitectureCloud Zero Trust Models

Cryptography & Compliance

HMAC-SHA256Ed25519Cryptographic SigningPost-Quantum CryptographyKyber-768 / ML-KEM-768Applied EncryptionCloud OperationsPrivacy LawsLegal Compliance FrameworksOFACCCPAGDPRPCI-DSSFinTech RegulationsTokenization

Development Environment & Methodologies

VS CodeProject ManagementClient DeliveryCross-Functional TrainingOrganizational Leadership

Contact

gdaniel.schillinger@gmail.com305-316-4578gdanielschillinger.comgithub.com/gdanielschillingerHandshake