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zernach/README.md

🏛️ AI Solutions Engineering

🤖 MLOps / LLMOps

Ryan Zernach Website

Summary

I'm Ryan, an AI-savvy team member & leader who calmly ships production-grade software. I build agentic workflows supported by schema-validated outputs and lightweight evals. I measure impact in hours saved, latency, accuracy, cost per task, and cost per quality.

I’ve deployed both front-end apps and back-end infrastructure at every level of production environments:

  • 10+ years of Engineering
  • 7+ years of Python
  • 5+ years of TypeScript & React

Tech Stack

  • LLM Ops / Semantic Kernel / LangChain / CrewAI
  • OpenAPI Pipelines / MCP / Agents / Evaluations
  • Machine Learning / PyTorch / NLP / Fine-Tuning
  • Dev Tools: Cursor / Copilot / Windsurf / Continue
  • Databases: SQL / GraphQL / NoSQL
  • Cloud: Azure / AWS / GCP / Cloud / SecOps
  • CI/CD: GitHub Actions / FastLane
  • DevOps: Docker / Kubernetes
  • Mobile/Web: React Native / iOS / Android / Web / Expo Router
  • Frontend: TypeScript / React JS / Next JS / HTML / Streamlit
  • Payments: Apple Pay / Subscriptions / Checkout
  • Email: IMAP / POP / Automations / Notifications
  • Ops Tools: Dashboards / CLI Tools
  • APIs: WebSockets / Flask / FastAPI / Express / DNS
  • Queues: RabbitMQ / Cron Jobs
  • Analytics: Marketing Analytics / Sales Engineering

Experience

AI Engineer & Solutions Architect • Archlife Industries Software (100% Remote)

2020 – Present

  • Published four social networking apps and two digital marketplace platforms
  • Deployed agentic Python endpoints for merchant onboarding & inventory management
  • Architected marketplace eCommerce platform with emphasis on security, scalability & analytics
  • Built a cross between Robinhood & Facebook for secure stock/crypto exchanges
  • Automated email marketing campaigns to attract sellers to our platform
  • Created a fitness iOS/Android app with trainer payments
  • Optimized an iPad React Native app (map performance + bluetooth extension)

AI Engineer & iOS/Android Engineer • CellarTracker (100% Remote, Seattle)

2023 – 2025

  • Boosted new app’s ratings to 4.9 avg with 8,000+ 5-star ratings
  • Built both frontend & backend for CellarChat™ LLM agent (1M+ members)
  • Architected OpenAPI pipeline, fine-tuning pipeline, & LLM metrics evaluation
  • Integrated Apple Pay into React Native app → increased revenue
  • Added recommended wines, feed posts, barcode scanning, image search
  • Engineered API for report tickets → auto-generated HTML emails
  • Built analytics tracking for user interactions
  • Rebuilt legacy app in React Native (iOS + Android support)
  • Iteratively improved Redux store for persistent state management
  • Created end-to-end (e2e) test suites

React Native Developer • Demosphere (100% Remote, Washington D.C.)

2022 – 2023

  • Migrated codebase JavaScript → TypeScript for long-term maintainability
  • Enhanced group chat, push notifications, and calendar sync → better reviews
  • Applied Google Crashlytics to reduce crashes & improve p95 performance
  • Reduced computational and network loads for better efficiency

React Native Developer • FinEquities (100% Remote, Miami)

2021 – 2022

  • Integrated APIs for bank accounts, stocks, cryptocurrencies
  • Managed frontend, backend cloud functions, & authentication
  • Built data visualizations for stock/crypto performance
  • Added social features: chat, profiles, posts, likes, emojis, comments
  • Developed portfolio copy, trending investors, & stock suggestions
  • Built an admin dashboard to monitor app performance

Web Developer • instaSod.com, CustomizedChristmasLights.com

2015 – 2019

  • Self-marketed businesses → $500k+ gross sales in 3 years
  • Founded two LLCs: landscape design & professional lighting
  • Built video upload + automated PDF pricing proposals

Education

Machine Learning & Data Science (Teaching Assistant) Vanderbilt University, EdX • Remote • Nashville, TN 2020 – 2021

  • Taught 900+ students ML, APIs, JavaScript, HTML, Python, dashboards, & databases
  • Delivered weekly lessons to 30+ students remotely
  • Gained exposure to hundreds of ML applications

Data Science Software Engineering Lambda School (BloomTech) • Remote • San Francisco, CA 2019 – 2020

  • Deployed ML models, Recommendation Engines, CV, NLP Pipelines
  • Built APIs with Flask/FastAPI, Data Engineering, SQL/NoSQL

Computer Science & Mathematics Georgia Southern University • Statesboro, GA 2011 – 2012

  • Courses: Calculus, Statistics, R, Data Structures, Programming Principles, Linear Regression, C, C++

Certifications

  • 2019: Y Combinator Startup School
  • 2019: AWS Cloud Practitioner
  • 2020: Google Cloud Developer
  • 2020: TensorFlow Developer
  • 2020: Machine Learning Pipelines
  • 2020: Mosh React Native Academy
  • 2022: Ethereum Blockchain Developer
  • 2024: NASA Hackathon Finalist (Top 1%)

Portfolio Website

Ryan.Zernach.com

Pinned Loading

  1. react-native-responsive-sizes/react-native-responsive-sizes react-native-responsive-sizes/react-native-responsive-sizes Public

    Simple & lightweight react-native package to help you make your mobile app look terrific on every screen size.

    TypeScript 28

  2. Airline-Price-Predictions Airline-Price-Predictions Public

    Plotly Dash HTML Python Flask site for user to interact with a trained machine learning model to predict the round-trip cost of flights — based on 9 million 2018 Domestic Flight Prices in the Unite…

    Jupyter Notebook 9 2

  3. Flask_Boilerplate_GCloud_Website_Template Flask_Boilerplate_GCloud_Website_Template Public

    Use this template for rapidly launching a clean Python Flask website to Google Cloud's App Engine!

    HTML 2 1

  4. Ryans_Recommendations Ryans_Recommendations Public

    📱 Mobile App Development Installation Guide — 💻 Everything Needed for React Native Mobile App Development on a New MacBook