Jon B.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I'm Jon Brennan, a Full Stack Software Development expert. With decades of experience and a background in executive management, I bring a wealth of expertise to a diverse set of projects and clients. Book a free discovery call today for a complimentary consultation to discuss your project needs. Experience Highlights: Executive Roles: Former CEO and owner of a government contract firm, collaborating with NSA and CIA. Security Experience: Held top secret clearance, managed sensitive projects. Fortune 500 Leadership: Managed large teams and complex projects at Fortune 500 companies. Key Skills: Programming Languages: PHP, JavaScript, Ruby on Rails Frameworks: React, Laravel Ecommerce Platforms: WooCommerce, Shopify, Custom Ecommerce Stores CMS: WordPress Software Architecture & Design: Proficient in creating robust architectures and seamless designs API Development: Extensive experience in API integration and development Business Application Development: Tailored solutions to meet business needs Consulting: Providing expert advice and strategic project execution I am committed to delivering top-notch results, leveraging my extensive experience to help clients achieve their technology goals. Whether you’re developing a new application, migrating your e-commerce store, or enhancing your software architecture, I’m here to bring your vision to life with precision and professionalism. Book a free discovery call to chat.