Work
- Nov 2025 — Present
Staff Software Engineer
currentMidwestern · Hybrid
- Leading Midwestern's first international engineering office — managing a team of 5 Brazilian engineers and driving cross-cultural collaboration across time zones.
- Reporting directly to the Director of AI; facilitating cross-functional alignment and delivery across engineering and product.
- Led development for a healthcare startup, advancing an agentic workflow system and building a Next.js front end with LiveKit for secure, real-time therapy sessions.
- Overhauled Midwestern's technical interview process end-to-end, redesigning evaluation structure and standardizing the candidate experience across engineering roles.
- Python
- Agno
- Next.js
- LiveKit
- AI/Agents
- Team Leadership
- Apr 2024 — Nov 2025
Senior Software Engineer, Lead
Unsupervised · Remote
- Led development of a model-agnostic Embedded Analyst integration, reducing AI hallucinations by 75% vs. competitors in January 2025 internal benchmarking.
- Built a custom CSV importer, speeding up B2B onboarding and reducing time-to-market.
- Consolidated Python microservices into a Ruby on Rails application, simplifying system complexity across core workflows.
- Python
- Ruby on Rails
- SaaS
- LLMs
- Apr 2017 — Apr 2024
Software Engineer → Senior Software Engineer
Midwestern · Hybrid
- Founding mobile engineer for an athlete recruiting platform — built the iOS and Android apps from zero, scaling to 125,000+ athlete profiles and 600+ college programs before the company's NYSE IPO.
- Directed engineering across diverse contract projects for established tech companies and startups, delivering web and mobile platforms in React Native, Laravel, and React.
- React Native
- Laravel
- React
- PHP
Projects
Contributions
Skills
Languages
- Ruby
- JavaScript
- TypeScript
- Python
- PHP
Frameworks
- Ruby on Rails
- Next.js
- React
- React Native
- Laravel
- NestJS
Tools & Infra
- AWS
- Docker
- Kubernetes
- GitHub Actions
- CI/CD
Practices
- System Design
- Technical Leadership
- Agile
Testimonials
“He is one of the most talented engineers and effective communicators I have worked with. Carter combines strong technical expertise with thoughtful code design and a disciplined approach to problem solving. He consistently delivers high-quality work regardless of complexity.”
Kyle Johnson
Senior Software Engineer
Colleague at Unsupervised
“He possesses a rare combination of technical prowess, adaptability, leadership, and a genuine concern for the well-being of those around him. I am proud to have worked with Carter and I know he would be an asset to any organization.”
Linh Hoang
Software Engineer, Midwestern
Direct report
“Carter was one of my team leads and never failed to impress when it came to troubleshooting or delivering solutions to whatever problems were sent his way. Carter is an engineer that I would jump at the opportunity to work with in the future.”
Jared Malcolm
Frontend Engineering Director
Direct manager
“Carter Johnson is an excellent mentor who goes far and beyond to serve his co-workers and clients. He taught me a lot — from understanding the basic concepts of coding to being a guru at debugging and creating quick solutions. Carter Johnson is the true definition of a good leader.”
Folaranmi Adeyeri
Software Engineer, Data Engineer
Direct report
Education
Missouri Southern State University
B.S. Computational Mathematics (Math + CS Double Major) · 2026
VP, CIS Club
Kappa Mu Epsilon — Mathematics Honor Society
Contact
Say hello.
Have a question, an interesting idea, or just want to connect? My inbox is open.
hello@carterjohnson.ioJoplin, MO