internal-controls

An AI-powered CLI tool designed to automate the documentation of IT General Controls (ITGC) Design & Implementation (D&I) reviews. Utilises Claude’s multimodal vision to analyse evidence, perform gap analysis against tailored procedures, and generate professional, Power BI-ready Excel workpapers.

Auditable invoice-processing workflow with PDF extraction, vendor and purchase-order validation, approval logic and control evidence.

Finance systems requirements pack generator for ERP, controls, UAT, BRD and finance transformation workflows.

Open-source ERP reconciliation and audit intelligence for stock-to-GL matching, work orders, WIP, Odoo/SAP exports, and local-first control reporting.

Build AI-driven crypto trading infrastructure with compliance-first tools for trusted digital finance

Eight audit procedures applied to a full population of 84,106 journal entries, scored against a known answer key. Python, Power Query, Power Pivot.

Synthetic Workday and HRIS portfolio combining payroll stabilization, ghost-worker and legal-entity audits, and dependent-benefits eligibility controls. Demonstrates how HRBPs, HRIS analysts, business analysts, payroll, benefits, finance, and compliance teams use data, testing, and governance to identify risk and guide workforce decisions.

Synthetic internal audit analytics case study featuring control design, SQL/Python reconciliation, evidence classification, and executive communication.

Learning IT audit by doing a simulated SOX/ITGC testing matrix for a fictional fintech company

Rule-based forensic review of a two-year procure-to-pay cycle, five internal control rules tested with SQL. Synthetic dataset.

Sanitized case studies in finance transformation, applied AI, automation, controls, and decision systems.

Synthetic Continuous Controls Monitoring project for Procure-to-Pay audit analytics, focused on traceable findings, control evidence, materiality, run manifests and data quality.

Automated AP close: 3-way match, duplicate-payment detection, GRNI accrual, GL tie, vendor recon, intercompany stress test. Python, 35 tests in CI.

Portfolio project: simulated Vendor Due Diligence, KYB and Third-Party Risk Assessment system for a fictional retail SME, including supplier scoring, red flags, escalation procedure and sample report.

Open-source AI Skill for building traceable, company-specific accounting systems. Created by Tim Chen.

개발 및 보안 경험을 ITGC 통제 테스트와 감사 자동화 작업 표본으로 연결한 공개 포트폴리오

Expert SOX 404 ITGC compliance guidance as a Claude Skill. PCAOB AS 2201, COSO 2013, Big Four audit methodology, plus a Build Chain of Custody pattern for modern engineering.

Rysqer ICFR operating model — why SOX execution breaks between ownership, evidence and testing.

Marketing site for DubeAI — the self-hosted GRC platform