Abstract technology background generated by AI
Full-Stack Engineer & Ops Specialist

Driving Efficiency via DevOps and Operational Mastery

CS Graduate with 10+ years technical tenure. I combine deep Root Cause Analysis with full-stack architecture to build resilient, standardized systems.

Electronics workbench with code and oscilloscope generated with AI

About Me

My journey didn't start with code—it started with a multimeter. For over a decade, I specialized in hardware diagnostics, helping industrial operators resolve complex failures in mission-critical systems. This taught me that software must be designed for reliability and process efficiency.

Now, as a Computer Science graduate (Magna Cum Laude), I leverage that operational mindset to build full-stack applications. I drive efficiency via DevOps and CI/CD, focusing on code that is testable, easily deployable, and fundamentally resilient.

Bachelor of Science in Computer Science

Bellevue College

Graduated: June 2024Magna Cum Laude

Technical Arsenal

Python
Java / Kotlin
JavaScript / TypeScript
React
AWS (EC2, S3, DynamoDB)
SQL / NoSQL
CI/CD (GitHub Actions)
Stripe API
Root Cause Analysis
Technical Mentorship
Electronics workbench with code and oscilloscope generated with AI

Featured Projects

A selection of software engineering work demonstrating full-stack architecture and cloud infrastructure skills.

Full-Stack Developer

Númenor Freight Division

Architected a serverless logistics platform using React and Firebase. Implemented a robust CI/CD pipeline via GitHub Actions for automated deployment. Key feature was a custom Discord bot powered by Google Pub/Sub with automatic retries for reliable notifications.

ReactFirebaseGoogle Pub/SubDiscord APICI/CD
Backend Architect & Team Lead

ReturnPal

A full-stack Android application for retail returns. Co-architected the AWS backend (DynamoDB/IaC) and integrated the Stripe API to handle secure payment tokenization. Led the team's Agile process and built the CI/CD pipeline (AWS Amplify/GitHub Actions) for reliable deployment.

AWS EC2DynamoDBCloudFormationKotlinStripe API
Curriculum Lead & Co-Author

Android Dev Workshop

Designed and led a comprehensive 'Zero to Hero' technical workshop. Authored documentation including environment setup guides and progressive code challenges. Built a 'golden standard' demo application to demonstrate modern mobile architecture.

KotlinJetpack ComposeTechnical Enablement
SYSTEM_STATUS: NOMINAL

>Operational_Metrics

Quantifiable achievements in root cause analysis, process architecture, and system stabilization.

root@david-caldwell:~/logs
~$cat operational_achievements.log | grep "SUCCESS"
[2025-01-LOG]PID: 4000

Process Architecture

Engineered formal testing protocols at Practec LLC that directly reduced diagnostic turnaround time by 75% (Process Architecture/DevOps Mindset).

75% Reduction
in diagnostic turnaround
[2025-02-LOG]PID: 4128

High-Efficiency Output

Consistently achieved high repair-to-hour ratios, often outperforming full-time peers in efficiency and maximizing revenue generation.

Top Tier Ratios
despite part-time status
[2025-03-LOG]PID: 4256

Technical Mentorship

Designed the formal onboarding curriculum (Practec) and provided ad-hoc coaching (Radwell) to accelerate new staff proficiency.

Onboarding Lead
for new technicians
All systems operational. Ready for deployment.