# Josh Fellman

> Full Stack Software Engineer

Location: Tempe, Arizona, United States
Profile: https://flows.cv/joshfellman

Full-stack software engineer with years of experience in agile environments. Technical lead for multiple large private and public companies. Graduated with a BS at ASU in Computer Science (Software Engineering).

## Work Experience
### Senior Software Engineer @ QUANTUM DEFEN5E (QD5)
Jan 2022 – Present
Development of the company's quantum-secure ecosystem using secure-by-design principles and NIST Zero Trust architecture.

Architect, design, and development of a quantum-safe VPN (Custom tiered Wireguard protocol developed in both Rust and C kernel/userspace) deployed on Ubuntu, FreeBSD, and Android platforms.

Created a React-based 'Infrastructure Management' web application and a RESTful Open API web service using Rust (Hyper), OpenLDAP, and PostgreSQL. Deployed as Docker containers within a Kubernetes cluster.

Development of a front-end Android (Kotlin) VPN Client application.

Helped expand and maintain Gitlab CI/CD pipelines deployed in Kubernetes.

Worked to automate provisioning and hardening of infrastructure for fast and secure field deployments

### Sr. Software Engineer @ Clear Demand
Jan 2018 – Jan 2022 | Scottsdale, AZ
Developed and maintained web-based e-commerce software solutions for retail pricing. The pricing solution integrated promotional optimization, competitive intelligence, pricing rules, and demand modelling, which allowed retailers to maximize profit, drive growth, and enhance customer loyalty.

Main languages/technologies/frameworks used: Asp.net, .NET core, C#, AngularJS, Angular, React, javascript/typescript, node.js, python, SQL Server, MongoDB, ETL (Pentaho), VBA, Google Cloud Platform, Kubernetes, RabbitMQ, bash/Powershell, and Jenkins.

### Software Engineer @ Clear Demand
Jan 2017 – Jan 2018 | Arizona

### Software Engineering Intern @ Clear Demand
Jan 2016 – Jan 2017 | Scottsdale, Arizona


## Education
### Bachelor of Science (BS) in Computer Science
Arizona State University
Jan 2013 – Jan 2017


## Contact & Social
- LinkedIn: https://linkedin.com/in/josh-fellman-b51b25132

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Source: https://flows.cv/joshfellman
JSON Resume: https://flows.cv/joshfellman/resume.json
Last updated: 2026-03-22