Where I've built and what I owned.

01//Overview

Lead engineer for architecture, hands-on development, DevOps and production operations across multiple high-availability systems. I partner with product, legal, banking and vendors to deliver compliant, secure platforms, and run sprint planning and technical direction for the team.

Role

Team Lead · Full Stack Software & DevOps Engineer

Dates

May 2024 to Present

Location

Columbia, TN

Platforms

5

02//ACH Banking Platform

• Sole architect and developer of a production ACH system processing $200K+ in monthly volume.
• Built NACHA file generation and SFTP delivery, cutting settlement time from 4 days to 1.
• Reduced costs with direct ACH batching ($0.75 per batch, up to $1M).
• Implemented the full payment lifecycle: payments, payouts, refunds and subscriptions.
• Delivered real-time webhooks, KYC/KYB compliance flows, IRS TIN matching and full NACHA compliance.
• Implemented API key auth, IP allowlisting and secrets management; passed third-party penetration testing.

03//B2B Orders & Freight Platform

• Built a high-value B2B order system covering payments, freight booking, shipment tracking, payouts, refunds and inventory.
• Implemented dual payment rails (Stripe + in-house ACH) with automated seller settlements.
• Integrated ArcBest (REST) and TMC (X12 EDI) for automated pickup, delivery and carrier coordination.
• Designed background job pipelines for shipment polling, webhooks and settlement processing.

04//Pro Portals · Seller Portal

• AWS Cognito
• OpenSearch
• Socket.IO
• Vercel

• Designed the end-to-end architecture for a seller-focused B2B portal integrating core business systems.
• Built product and variant management with OpenSearch-powered search and filtering.
• Added seller-managed shipping, dynamic mileage pricing, credit terms and a discounting engine.
• Implemented real-time messaging, analytics dashboards and customer access management.
• Deployed the frontend on Vercel with per-seller domains; backend on AWS with CI/CD automation.

05//ERP Integration Platform

• Built a multi-tenant, event-driven ERP integration system that lets customers connect multiple ERP systems at scale.

06//Infrastructure, SRE & DevOps

• Own AWS infrastructure across prod, staging and beta: EC2, RDS, S3, ElastiCache, OpenSearch, Route 53, SES and Cloudflare, all in Terraform.
• Built CI/CD with Docker and GitHub Actions, plus logging, monitoring, virus scanning and vulnerability detection.
• Manage DNS, scaling, uptime and secure deployment workflows.

07//Stack

• Python
• Django REST
• Celery
• Plaid
• Next.js
• NestJS
• TypeScript
• Prisma
• Stripe
• Rust
• Axum
• Kafka
• AWS
• Terraform
• Docker
• GitHub Actions

01//Overview

Senior engineer on FORGE MDPAF (Future Operationally Resilient Ground Evolution, Mission Data Processing Application Framework): a platform-agnostic, modular ground system processing OPIR satellite data for U.S. Space Force missile warning and space domain awareness, deployed on-prem and in the cloud.

Role

Senior Full Stack · Senior DevOps Engineer

Dates

Jan 2021 to May 2024

Location

Aurora, CO

Platforms

5

02//Workflow Orchestration Platform

• Led DAG development for complex OPIR processing pipelines with parameterized PRA workflows, templating, retries and structured logging.
• Integrated internal tools and external services into Airflow with logging, monitoring and failure recovery for mission-critical reliability.

03//Centralized Orchestration API

• Built and maintained a Go REST and gRPC control plane, the secure communication layer between platform services and Airflow.
• Implemented authenticated DAG triggering, status tracking, metadata logging, payload validation and resilient error handling.

04//Mission Operations Dashboard

• Co-developed a React/TypeScript operations console for monitoring DAGs, logs, PRAs, alerts and automated workflow events.
• Built the Django REST API behind it, including RBAC, audit logging and Keycloak authentication.
• Integrated the Elyra pipeline editor for low-code AI/ML workflows with MinIO-backed artifacts and direct Airflow execution.

05//Image Dropbox Application

• Sole developer of a packaging and deployment platform for Kubernetes services across on-prem and cloud environments.
• Implemented Helm override support, certificate validation, artifact management and Jenkins-driven automated deployments.
• Delivered a unified UI for redeployments, status monitoring and lifecycle management.

06//Infrastructure & Tooling

• Managed deployment of all services on Kubernetes and authored Helm charts for dev, staging and production.
• Built and maintained CI/CD pipelines in Jenkins, integrated with Bitbucket and Nexus.

07//Stack

• Golang
• gRPC
• Python
• Django
• Flask
• Apache Airflow
• Elyra
• React
• TypeScript
• Vue.js
• MinIO
• PostgreSQL
• Keycloak
• Kubernetes
• Helm
• Jenkins

01//Overview

Hourly contract work on a Python ACH and card payment processing platform serving healthcare providers and clinics.

Role

Contract Senior Software Engineer

Dates

Mar 2020 to Aug 2021

Location

Remote

Platforms

1

02//Payments platform

• Built and maintained backend APIs for secure transaction initiation, validation, reconciliation and settlement across ACH and card networks.
• Implemented robust error handling, idempotent transaction workflows and financial reporting.
• Ensured HIPAA and PCI-DSS compliance: encryption in transit and at rest, access controls, audit logging and secure handling of PHI and payment data.

03//Stack

• Python
• Django
• Celery
• Redis
• AWS
• DynamoDB
• Keycloak

01//Overview

Collaborated directly with government and commercial clients to gather requirements, define specifications and support onboarding, integration and implementation, primarily in C++.

Role

Contract Full Stack DevOps Software Developer

Dates

Feb 2018 to Jan 2021

Location

Remote

Platforms

2

02//Government Software Contracts

• Developed and maintained specialized software for government contracts, primarily in C++, adding other technologies as project requirements demanded.
• Worked on proprietary 'black box' software, internal systems and custom applications built to specific contractual requirements.
• Worked directly with clients to gather requirements, establish scope, clarify specifications and coordinate implementation, onboarding and delivery.
• Designed, developed and tested software components and integrations to support varied client and project needs.

03//Financial Technology & Payment Systems

• Developed and maintained software for fintech contracts, including payment gateway systems and integrations.
• Implemented REST APIs and WebSocket services connecting applications to external financial systems.
• Gathered business and technical requirements and coordinated integrations, implementation and onboarding directly with clients.

04//Stack

• C++
• REST APIs
• WebSockets
• Payment gateways

01//Overview

Started by building the company's internal ERP-style business platform, then led its government software contracting division as the company expanded beyond federal construction, owning projects across the full contract lifecycle from quoting to customer handoff.

Role

Lead Full Stack Software Engineer

Dates

Jun 2012 to Mar 2018

Location

On-site

Platforms

2

02//Government Software Contracting Division

• Led the software contracting division, owning projects across the full contract lifecycle: evaluating opportunities, preparing quotes, development, testing, delivery and customer handoff.
• Worked directly with government and commercial clients to gather requirements, define scope, clarify technical specifications and coordinate onboarding and delivery.
• Evaluated requirements, estimated development effort and prepared technical proposals for government software contracts.
• Designed, built, tested and delivered custom software to contract specifications while staying hands-on in engineering.

03//Internal ERP & Business Platform

• Began as a junior engineer building an internal ERP-style application for billing, bookkeeping, financial records and daily operations.
• Built backend services and REST APIs in Python and Django REST with a React frontend for staff and customers.
• Integrated Stripe payments, payment-verification webhooks and automated billing reminders via Mailgun and Twilio.
• Developed authentication, account management and financial reporting to support operations, tax prep and auditing.
• Automated manual business processes, improving recordkeeping efficiency and reducing billing discrepancies.

04//Stack

• Python
• Django REST
• React
• Stripe
• Mailgun
• Twilio