Jon Tetzlaff
Senior Front-end Engineer
Profile
I am a Senior front-end engineer with over 13 years shipping customer-facing interfaces for agencies, e-commerce, and my own product. I turn loose specs into working UI, focusing on component systems, accessibility, and performance.
Skills
- UI platforms
- React, Next.js, Vue.js, Nuxt, HTML, CSS, Sass, Responsive web design
- Product and quality
- Component libraries, WCAG / Accessibility, Performance, Design collaboration
- Platforms and delivery
- WordPress, Shopify, Umbraco, REST APIs, Vite, Git
- Also used
- Ruby on Rails, PHP, C#, Serverless (AWS Lambda, S3)
Experience
Senior Front-end Engineer — Northern Ground
I own the front-end discipline at a Milwaukee digital studio. That includes technology choices, standards, and most front-end implementation.
- Helped build and launch more than 24 production websites on WordPress, Shopify, and custom stacks
- Translate design into production UI and keep the front-end standards consistent across client work
- Partner with design and project leads to ship responsive, accessible marketing and product sites
Co-Founder, Technical — Campsite.bio (GrahamSnaps LLC)
Bootstrapped link-in-bio product for Instagram, TikTok, and other social platforms. Built the customer-facing product and a large share of the platform. Exited via acquisition in October 2023.
- Took features from idea and design through front-end and back-end implementation with a two-person founding team
- Built a Vue component library reused across the marketing site, web app, public profiles, and admin tools
- Shipped a system of apps: Nuxt marketing site, Vue SPA + Rails API + MongoDB, Nuxt SSR profiles on Lambda and S3, additional serverless functions, email tooling, and an admin dashboard
- Grew the product to more than 250,000 signups while keeping the UI simple as features accumulated
Senior Front-end Engineer — Bright Cellars
E-commerce team focused on React, Webpack, and PHP, emphasizing accessibility and performance.
- Refactored legacy pages into React as the site moved toward an SPA
- Worked with design to implement new pages and give implementation feedback
Senior Full Stack Developer — CI Design Inc.
Led front-end development on a large website build and mentored junior developers.
- Owned front-end architecture and delivery on a major client site
- Worked across Git, Sass, HTML, JavaScript, Gulp, Webpack, React, and C#
Lead Front-end Developer — Lightburn
Digital studio work for clients on Umbraco, Kentico, and Shopify. Built and maintained dozens of sites over six years.
- Built websites from scratch across multiple CMS platforms
- Created and shared front-end standards used across the company
- Helped with hiring and mentored junior developers
- Built and maintained mobile applications released in the App Store and Google Play