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pihuts/README.md

Peter Gino Pangapalan

AI and engineering automation | Python, n8n, FastAPI and BIM APIs

I build software for repetitive engineering and business workflows. I am a licensed civil engineer and an R&D Software Engineer at Midland Steel.

My professional work includes structural detailing tools, Python integration with Tekla's .NET API, engineering checks, and FastAPI/React Windows packaging. Company source is private.

Metro Manila, Philippines | Open to remote or hybrid roles

LinkedIn · Portfolio

Selected public work

Project Implementation and evidence scope
Receipt/email automation Two n8n assessment workflows with setup documentation, duplicate checks, structured records and error handling; 45 passing code-node assertions. The recording covers the receipt vision chain; full Telegram/Google validation remains separate.
Mathcad Automator Python/FastAPI/React application for parameter studies, unit-aware mappings, worksheet chains and batch exports. Requires Windows and licensed Mathcad Prime.
SupportPilot Authenticated support intake, suggested replies, human escalation, dry runs and recovery instructions. Offline smoke checks; live configuration and integration validation remain separate.
Approximate Structural Analysis React/TypeScript/FastAPI/Julia application for approximate frame analysis and steel checks. Independent numerical validation is pending.

Five-project n8n index — links the same five business workflows, not an additional implementation.

Engineering-software case studies

  • Professional Tekla automation: structural detailing tools, Python/.NET integration, engineering checks, Windows packaging and bounded MCP operations. Describes my responsibilities and scope; company source is private.
  • Structural Plan to Revit: independent Python/MCP/pyRevit development pilot connecting drawing evidence to validation, previewed model changes and geometry read-back. Source is private; pilot re-audit and broader validation are pending. This is not a completed building or a production-readiness claim.

Background

Previously, I worked in structural connection design at TritonTek and junior structural design at MDO, using Python/Mathcad/Excel automation alongside engineering calculations and verification.

BS Civil Engineering, University of Mindanao. Admitted to Georgia Tech's MS Analytics January 2027 cohort, with preparatory coursework underway.

Core tools: Python, n8n, FastAPI, REST APIs, React/TypeScript, Tekla Open API and MCP.

I use Claude Code with human review during development.

Pinned Loading

  1. Mathcad_Automator_Concept Mathcad_Automator_Concept Public

    Local web interface for Mathcad Prime automation: parameter studies, unit-aware inputs, multi-worksheet chains, and batch PDF/MCDX exports.

    TypeScript

  2. pds-n8n-portfolio pds-n8n-portfolio Public

    n8n receipt and email automation assessment: Gemini vision, Gmail, Sheets and Drive, with deduplication, idempotency, tests, and a recorded demo.

    JavaScript

  3. supportpilot-ai supportpilot-ai Public

    n8n support triage: authenticated webhooks, structured reply suggestions, duplicate checks, human escalation, dry runs, failure alerts and smoke tests.

    Python

  4. Approximate-Structural-Analysis Approximate-Structural-Analysis Public

    React, FastAPI, and Julia application for approximate portal-frame analysis and AISC steel design, with typed JSON and rendered calculations.

    Jupyter Notebook

  5. ledgerlens-ai ledgerlens-ai Public

    n8n PDF invoice intake with structured extraction, duplicate checks, finance review, dry-run controls, failure alerts and recovery runbooks.

    Python