Principal-Level Engineering

Modernizing Critical Data & Operational Systems.

Principal-level, hands-on engineering for organizations modernizing data platforms, enterprise integrations, and applied AI. Led and executed directly at the architectural level — no juniors, no handoffs.

cc@conceptcache $ whoami
Principal engineer. Architectural oversight. Zero juniors.

cc@conceptcache $ ls ./focus
data-engineering/  ai-systems/  legacy-modernization/
automation/  reporting/  web-apps/

cc@conceptcache $ cat ./stack.txt
aws · bedrock · next.js · node
mysql · sql-server · metabase · bullhorn

cc@conceptcache $ _
25+Yrs Engineering
100%Principal Execution
0Junior Handoffs
01

Services

All work executed at the principal level
◈ AI / ML

AI–Assisted Systems

Practical AI for search, summarization, and operations using OpenAI, Anthropic, and Amazon Bedrock — on top of reliable data foundations.

◈ Data

Data Engineering & Warehousing

ETL pipelines, SQL modeling, and analytics with MySQL/SQL Server. Metabase dashboards that give leadership real visibility.

◈ Integration

Automation & Integrations

Streamline workflows across ATS, CRM, finance, and internal tools. Bullhorn, Dynamics GP, 1Staff Back Office, and more.

◈ Web

Web Applications

Responsive frontends with Next.js and Angular, robust APIs with Node.js. From focused MVPs to full enterprise applications.

◈ Reporting

Reporting & Visualization

Executive-ready dashboards, commissions calculators, and ops reporting that drives real decisions — not just pretty charts.

◈ Legacy

Legacy Modernization

Stabilize, refactor, or fully re-platform critical legacy systems while minimizing downtime and protecting business continuity.

02

Capabilities

Production-grade, full-stack

AI & Automation

OpenAIAnthropicAmazon BedrockWorkflow AutomationRAG Systems

Cloud & Infrastructure

AWSLinodeApacheLinux AdminNginxSSH & Security

Data

MySQLSQL ServerETL PipelinesWarehousingMetabase

Frontend

ReactNext.jsAngularHTML/CSS/JSBootstrap

Backend

Node.jsREST APIsAuth & CachingScheduled Tasks

Enterprise Systems

Bullhorn ATSData MirrorDynamics GP1Staff
03

Selected Work

Most enterprise projects are confidential
Open Source · Mac App

SQL Gnome

A native Mac MySQL client built for developers who want speed and simplicity. Clean interface, direct connections, no bloat.

macOSMySQLNative AppOpen Source
sqlgnome.com →
Open Source · ATS Platform

Hire Gnome

A full-featured, open-source applicant tracking system built and actively maintained by Concept Cache. Production-grade and free to deploy.

Next.jsPrismaMySQLOpenAIOpen Source
hiregnome.com →
Client Project · Web Platform

Job Connection Services

Custom web platform for a regional staffing firm — full Next.js frontend, Node.js API, and MySQL backend with candidate and placement workflows.

Next.jsNode.jsMySQL
jobconnectionservices.com →
Client Project · Web App

1–800 SellACar

End-to-end web application for an automotive reseller — responsive frontend, API integrations, and data-driven inventory tooling.

Next.jsNode.jsMySQL
1800sellacar.com →
Case Studies Available

Enterprise Projects

Most enterprise engagements are confidential by agreement. Detailed case studies and references available upon request during project scoping.

Healthcare Staffing Executive Reporting Email Automation
04

Modernizing a
Critical System?

If your reporting, integrations, or AI initiatives require senior architectural oversight and production-grade execution, share the basics and we'll discuss the right approach.

Available remotely, worldwide
Message received.  We'll be in touch shortly. ×