Web & mobile apps
Custom web apps and WordPress builds, internal tools, and iOS/Android apps that blend clean PHP/TypeScript backends with modern front-ends—built to be fast, maintainable, and easy for your team to extend.
Kevin Champlin · Full-Stack + AI
Custom web & mobile apps, engineered clean—with AI where it counts.
I build custom web apps, iOS & Android apps, and high-converting marketing sites for teams who need senior engineering without the agency markup. 15+ years shipping production code means architecture, UX, and ROI-minded performance—not junior handoffs or too many cooks in the kitchen.
- Toolbox PHP · TypeScript · .NET · iOS & Android
- Focus areas Web apps · marketing sites · mobile apps
- AI sweet spot Workflow copilots, AI code assistants & private LLMs
Kevin Champlin
President & CEO
815 Media, LLC
Capabilities
Web apps, mobile apps, and software + AI execution—rooted in the Midwest.
Whether it’s a WordPress site, custom web app, marketing site, or mobile app, every project is engineered for clarity, long-term reliability, and measurable business results.
Applied AI Systems
Internal copilots, automation layers, and private LLMs built for speed, safety, and day-to-day usability.
Performance & Reliability
Core Web Vitals fixes for WordPress and marketing sites, database tuning for apps, and uptime-focused playbooks that keep launches smooth and support teams calm.
About Kevin
Full-stack founder and senior engineer behind 815 Media.
I run 815 Media as both a boutique studio and a one-person strike team. I’m a senior full-stack engineer and AI strategist with 15+ years shipping web apps, mobile apps, and digital products that move real metrics for teams in Naperville, the Illinois Valley, and beyond.
Some clients hire 815 Media as their digital partner—an independent studio that owns design, build, and launch. Others bring me in as a fractional senior engineer embedded alongside their existing team. Either way, you get direct access to the person writing the code, making the trade-offs, and owning delivery.
- Production-grade platforms SaaS products, web & mobile applications, and high-converting marketing sites.
- Applied AI in the real world Internal copilots, workflow automation, and private LLM integrations.
- Flexible engagement models 815 Media as your studio, or me embedded as your senior engineer.
Why choose Kevin
Senior web & mobile app engineering, AI fluency, and clean delivery—without agency overhead.
Architecture-first thinking
Solutions are mapped, observable, and built to scale—no surprises, just systems that hold up.
Clear, accountable delivery
Weekly demos, Loom walkthroughs, and tight feedback loops keep work visible and actionable.
Front-end polish & performance
Animations, motion, and UX micro-interactions that feel smooth, native, and performance-conscious.
Serious WordPress chops
Building on WordPress since version 3—custom themes, plugins, and performance tuning that keep existing stacks fast while we modernize them.
From the journal
Notes on web & mobile app engineering, PHP craft, and product velocity.
🚀 Building My Freelancer Command Center (v1.0)
A custom-built Freelancer Command Center designed to replace half my SaaS tools, sharpen my engineering skills, and run my business from one beautiful dashboard.
Read moreWhy I Built KevinChamplin.com Custom Instead of Using WordPress
My personal site isn’t WordPress—it’s custom-built. Not because I can’t do WordPress, but because the right tool for the job was a clean, lightweight, handcrafted build.
Read moreYes, I Still Build in WordPress — And I’ve Been Doing It Since Version 3
I joke about WordPress a lot, but truth is—I’ve been building on it since version 3. I’m still a powerhouse WordPress developer handling custom themes, plugins, and complex sites.
Read moreStart something
Have a roadmap, a blocker, or a big idea? Let’s scope it out.
Whether you’re planning a web app, mobile app, or marketing site, I respond fast (usually same-day), get aligned quickly, and make scope/budget planning feel clear—not cryptic. Let’s talk timelines, constraints, and what “done” really looks like.
- Location Based in Naperville + La Salle, collaborating globally via Zoom
- Focus Full-stack builds, workflow copilots, and platform reliability sprints
- Collaboration Weekly demos, async Loom walkthroughs, docs that make QA painless