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KXHXK/README.md

Full-Stack Software Development

Web applications, backend APIs, AI automation, desktop tools, and production-minded delivery.

Software delivery portfolio GitHub repositories

What I Build

Web Products and Admin Tools

Responsive customer portals, operational dashboards, internal tools, and data-rich interfaces built with React, Vue, and TypeScript.

APIs and Business Systems

FastAPI services, PostgreSQL and Redis data layers, authentication boundaries, third-party integrations, and observable backend workflows.

AI and Workflow Automation

LLM applications, agent orchestration, MCP tools, retrieval, human approval, evaluation, and controlled business automation.

Desktop and Data Engineering

C# Windows utilities, serial and device communication, report generation, MATLAB signal processing, and technical visualization.

Delivery Approach

  • Scope before implementation: clarify users, workflows, integrations, constraints, and acceptance criteria.
  • Visible milestones: deliver working increments instead of hiding progress until the end.
  • Engineering evidence: use automated tests, repeatable demos, logs, metrics, and CI where appropriate.
  • Deployment and handoff: provide reproducible environments, operational notes, and maintainable source code.
  • Privacy by default: public demos use synthetic or redacted data and never expose client credentials or internal systems.

Featured Work

An auditable full-stack operations system for inventory exceptions, equipment alerts, and human-approved work orders.

  • Bounded LangGraph workflows, FastMCP tools, policy checks, approval checkpoints, restart recovery, and idempotent writes.
  • FastAPI, PostgreSQL, pgvector, Redis, OpenTelemetry, React, Docker, deterministic evaluation, and CI.
  • Open the engineering showcase

A deployed field-mission planning system that turns natural-language requirements into confirmed missions, verified plans, and revision evidence.

  • Typed AI intake, bounded planning, policy validation, checkpointed execution, and suffix-only replanning.
  • Python APIs, TypeScript workbench, PostgreSQL, cloud deployment, live evaluation, and reproducible public demos.
  • Open the project showcase

Additional Engineering Projects

Technology

Languages

Python TypeScript C# SQL MATLAB

Application and AI

React Vue.js FastAPI LangGraph MCP Pydantic

Data and Delivery

PostgreSQL Redis OpenTelemetry Docker GitHub Actions Netlify

Open-Source Engineering Evidence

Four focused contributions have been accepted by established AI agent and developer-tool projects. Personal repository work is excluded from this count.

Project Contribution Outcome
Microsoft Agent Framework #7324 Preserved table binding across consecutive declarative EditTable operations and added regression coverage. Merged
local-deep-research #5269 Unified Zotero progress and error feedback while preserving accessibility and XSS-safe rendering. Merged
Langroid #1072 Fixed concurrent result selection so a fast empty result cannot cancel a slower valid result. Merged with authorship retained
Strands Agents Harness SDK #3627 Preserved token usage from hook-retried model calls so cost reporting and invocation limits remain accurate. Merged

Start a Project

The best first message includes the business goal, target users, current workflow, required integrations, expected timeline, and any technical constraints. Please do not send passwords, production credentials, confidential datasets, or proprietary source code in an initial inquiry.

Open the private project inquiry form

Pinned Loading

  1. opercerta opercerta Public

    Auditable AI operations agent for inventory exceptions, equipment alerts, and human-approved workflows.

    Python 37

  2. fieldpilot fieldpilot Public

    Policy-aware field mission orchestration agent with bounded planning, auditable replanning, travel and expense constraints.

    Python 11

  3. kls-serial-utility kls-serial-utility Public

    Windows Forms serial utility for K-band and dual-band transceiver protocol testing.

    C# 2

  4. matlab-imaging-tools matlab-imaging-tools Public

    MATLAB tools for sensor-frame parsing, signal imaging, 2D trajectories, and 3D target visualization.

    MATLAB 2

  5. pdf-report-generator pdf-report-generator Public

    C# PDF report generator for text, images, and JSON with tables, watermarks, and page numbers.

    C# 2

  6. Serial Serial Public

    C# Windows Forms serial-port assistant for configuring connections and exchanging hexadecimal data.

    C# 2