# John S. > Force Multiplier • AI-Assisted Engineering • DevX • AWS, TypeScript, React, Node • CI/CD Automation • Cloud Migrations Location: Delta, Pennsylvania, United States Profile: https://flows.cv/johns I'm a Senior Full-Stack Engineer who focuses on more than just shipping features. I specialize in building the platforms, tooling, and engineering systems that let entire teams deliver faster, safer, and with dramatically higher confidence. My career has centered around improving developer experience (DevX), modernizing infrastructure, and designing scalable architectures that become force multipliers across engineering organizations. I've modernized large legacy systems, migrated hundreds of production environments to AWS, built fully automated CI/CD and IaC pipelines, introduced AI-assisted engineering workflows, and led TypeScript and testing transformations that raised quality while increasing velocity. My work consistently removes friction, shortens feedback loops, and empowers engineers to move quickly without sacrificing reliability. I thrive in environments where I can elevate the people around me by mentoring developers, shaping engineering standards, building reusable systems and components, contributing to architectural direction, and delivering the tooling and processes teams rely on every day. Specialties: React, TypeScript, Next.js, React Native, Node.js, Express, AWS (EC2, S3, CDK, CloudFormation, CodePipeline, CodeBuild, CodeDeploy), Docker, CI/CD, IaC, SQL, REST APIs, Authentication/MFA, Cloud Migration, DevOps, DevX, AI-Assisted Engineering, WebSockets, Monorepos, Architecture, Testing (Jest, RTL, Cypress), Agile ceremonies. ## Work Experience ### Senior Software Engineer @ DealerBuilt Jan 2023 – Present | United States Focused on modernizing critical systems, improving developer experience, and building scalable cloud and DevOps infrastructure across a single-tenant architecture serving hundreds of dealerships. Work spanned full-stack development, AWS automation, CI/CD modernization, internal tooling, and technical leadership. Highlights: • Architected and automated the migration of all production servers from DigitalOcean Droplets to AWS EC2 using an IaC-driven workflow (CloudFormation/CDK) with automated DNS cutover. Leveraged AWS MAP to achieve ~45% projected infrastructure savings over 3 years. • Reduced per-server migration time from hours to minutes through a fully automated migration pipeline. • Built enterprise-grade CI/CD pipelines using CodePipeline, CodeBuild, and CodeDeploy, introducing dependency caching, path-based triggers, and version-aware protections. Cut deployment times by 50% and eliminated unnecessary builds. • Modernized the Multi-Point Inspection feature to be used by a Fortune 200 company, doubling product-line revenue. • Elevated DevX by automating manual processes, leading the migration to TypeScript, introducing Linting/Prettier and coding standards, creating shared component libraries, and expanding Jest/RTL coverage across business-critical paths, increasing delivery cadence and confidence. • Integrated AI-assisted tooling for code modernization, log analysis, and internal knowledge retrieval, improving onboarding time and developer productivity. • Mentored developers, guided architecture discussions, contributed heavily to frontend best practices, further improving delivery velocity. ### Senior Software Engineer @ Big Health Jan 2022 – Jan 2023 | United States Led mobile engineering efforts across Big Health's suite of digital therapeutics, including Sleepio (340k+ users) and Daylight (12M+ potential reach). Contributed to authentication, feature development, engagement systems, and internal tooling that improved developer collaboration and product delivery. Highlights: • Led rollout of multi-factor authentication across multiple consumer mobile applications. • Built in-app signup and authentication flows across iOS and Android React Native apps. • Implemented a notification management system using Iterable to drive behavioral nudges, reminders, and marketing, increasing engagement by ~25%. • Introduced Storybook as a standardized UI documentation and collaboration system, reducing design drift and improving dev/designer alignment. • Authored a technical design for implementing version control in an internal content-delivery framework used across all Big Health products. ### Technical Lead @ Leidos Jan 2021 – Jan 2022 | United States Supported a multi-agency government program used by tens of thousands of federal employees. Worked across frontend, backend, and real-time systems to deliver scalable, maintainable features and improve engineering reliability. Played a hybrid role across engineering, architecture, product collaboration, and Agile leadership, removing blockers, improving DevX, and enabling the team to deliver more consistently. Highlights: • Worked closely with senior management, product owner, UX, and technical staff to communicate feasibility of requirements, ensure developers understanding of the business of the application, and to remove development blockers. • Led and mentored developers on front-end development using React and TypeScript, increasing cross-functionality of the team. • Acted as Scrum Master, conducted Agile Ceremonies, provided estimates, and ensured the team had sufficient work during Sprint Planning. • Designed live-updating dashboards leveraging a metadata-driven web-socket framework, created reusable components allowing for rapid development of future modules. • Introduced Unit, End-to-End, and Integration Testing by creating an Automated Testing suite using Cypress and Jest. ### Senior React / Node Developer @ Leidos Jan 2019 – Jan 2021 | Woodlawn, Maryland, US - 100% remote • Refactored Dashboard architecture, allowing for feature area code to be broken out into modules, reducing the main applications size by over 80%, significantly reducing build and deployment times. This redesign also solved issues where URL routing did not properly work. • Advised product owners on limitations, estimates of development efforts. • Designed and developed user-facing web elements and pages for a Single Page Application using React and Flux for state management. • Created VS Code snippets for common development and testing patters, allowing for more rapid development. ### Senior Software Developer @ Ascella Technologies, Inc. Jan 2019 – Jan 2019 | United States - 100% remote Served as a Senior Software Developer on a U.S. Securities and Exchange Commission (SEC) contract, brought in specifically to take an unstable proof-of-concept application and turn it into a maintainable, production-ready system. Led the modernization of legacy financial and budgetary workflows by re-architecting the application into a scalable React + Redux solution, improved data validation, and a real-time dashboard for monitoring submission activity. By introducing modern engineering practices, automation, and a streamlined development workflow, I significantly improved system stability, reduced deployment friction, and established a foundation the SEC's internal teams could continue building upon long after the contract ended. • Modernized an aging POC into a stable, maintainable Typescript React + Redux application with a real-time workflow dashboard. • Introduced modern engineering patterns, version control discipline, and consistent component architecture to reduce technical debt. • Built automated build/deploy pipelines that reduced deployments from 3 minutes to ~30 seconds, improving iteration speed. • Created a low-friction local development workflow, enabling engineers to test changes without constant redeploys. • Mentored a distributed development team, increasing delivery quality and accelerating handoff to the client team. ### Software Developer @ Northrop Grumman Jan 2017 – Jan 2019 | Woodlawn, Maryland, US - 40% remote Supported the Social Security Administration (SSA) in building their Disability Case Processing System (DCPS) application, allowing for the intake, processing, evidence gathering, adjudication, and appeals of disability cases throughout the country. Highlights: • Developed SPA features using React and Flux; built Node/Express REST APIs. • Achieved 100% test coverage for all newly developed code. • Improved consistency across codebases through reusable component patterns and testing practices. ### Network Operations Center Engineer @ US Army Jan 2011 – Jan 2012 | Pyeongtaek, Korea • Maintained the Network Operations Center that serviced all military facilities on the peninsula of South Korea. • Conducted COMSEC installations and responded to system or network outages to ensure that any downtime remains within the threshold outlined in the terms of Service Level Agreement. ### Network Administrator @ US Army Jan 2011 – Jan 2011 | Pyeongtaek, Korea • Created and managed user accounts using Active Directory. • Upgraded systems to ensure they were outfitted with the latest software to meet compliance requirements. • Resolved software and hardware tickets. ### Information Technology Specialist @ US Army Jan 2010 – Jan 2011 | Fort Drum, New York • Prioritized and delegated assignments to ensure that all work orders were completed while maintaining a high level of efficiency. • Maintained a high level of morale within the IT shop, upholding shop cohesiveness in a high pressure environment. ### Information Technology Specialist @ US Army Jan 2008 – Jan 2010 | Fort Drum, New York and Kirkuk, Iraq • Designed and developed a work order request form using HTML and VBScript that allowed users to submit tickets over the network. • Installed network infrastructure for the Davis Combat Clinic. ## Education ### Bachelor of Science - BS in Information Systems University of Maryland Baltimore County ## Contact & Social - LinkedIn: https://linkedin.com/in/john-stout --- Source: https://flows.cv/johns JSON Resume: https://flows.cv/johns/resume.json Last updated: 2026-03-22