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👤 Ryan Zernach


🤖 Full-Stack Mobile App Developer

🇺🇸 Remote, Miami Beach, Florida, United States

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Quickly Learns New Tools & Techniques

  • iOS / Android Mobile Apps (React Native)
  • Creating & Managing Endpoints / API’s
  • Websites in React / JS / HTML / CSS
  • GraphQL, SQL, & NoSQL Databases
  • Dashboards & Data Visualizations
  • CI / CD via Github / Gitlab / Expo
  • Typescript JS & Node.js
  • Machine Learning Pro
  • Google Cloud & AWS
  • Webscraping Wizard
  • Cloud-Computing
  • Fluent in Python
  • and more...

PORTFOLIO PROJECTS (View Portfolio Site)

Finequities App — FinTech Startup Cross Between Robinhood & Facebook (Social-Trading App)

  • Utilized custom CLI templating to generate exceptionally organized Typescript components & screens
  • Connected with Paid Third-Party API's to place stock/crypto market orders & fetch live prices
  • Hosted/Managed the Back-End AWS database & GraphQL API's to power the front-end with data
  • Developed the Copy Portfolio process, allowing investors to directly copy another user’s investments
  • Implemented design overhauls to greatly improve the user’s social network experience

Landscape Supply App — iOS/Android App & Online Web Dashboard to Buy/Sell Landscape Supplies

  • For 3-months part-time, I wrote the iOS/Android app in React Native & built the web dashboard
  • Used Python/Flask & HTML/JS/CSS to build the web dashboard and back-end api's
  • Hosted the cloud infrastructure & authentication for this project on the Google Cloud Platform

ADP Gym App — Used for Gym Trainers to to Track their Member’s Sessions/Payments

  • Listened to client, and then designed and developed the cloud infrastructure for this project
  • Designed and developed this Typescript React Native Expo mobile app in nine weeks (part-time)
  • Custom-built a companion Python Flask web app for gym members to securely pay their trainers

Better Reads App — iOS App w/ Machine Learning for Readers to Track, Share, & Discover New Books

  • Used Agile & Scrum methodologies to iteratively deploy Natural Language Processing (NLP) models
  • Practiced CI/CD via blue/green RESTful Flask microservices on AWS EB to facilitate JSON post requests
  • Launched & managed a PostgreSQL instance on AWS RDS to store millions of GoogleBooks data

Flight Prices — Airline Pricing Analysis & Interactive Pricing User-Interface

  • Built front-end user interface with Flask for user to interact w/ a predictive machine learning model
  • Tediously gathered 27M rows of data, wrangled/cleaned to 9M, uploaded data to Kaggle
  • As a data analyst, I generated statistical analyses, distribution charts, and business intelligence insights

Brain Power — Using Machine Learning & an EEG Device to Control Technology

  • Built an application for the user to control light switches & thermostats with their brain
  • Collected data from an EEG device and used Scikit-Learn to train a predictive model
  • Deployed back-end Python get request API w/ Flask: communicate w/ EEG device, detect brain patterns

Spotify Music — Recommends New Music Based on Your Favorite Songs

  • Connected with Spotify’s API to harvest data (and metadata) about the songs in their database
  • Built back-end Python API’s (get & post requests) to return predicted songs data to front-end


Data Science Software Engineering

Lambda School • Remote • San Francisco, CA • August 2019 - July 2020

  • Python, Data Engineering, SQL, NoSQL, Back-End API’s, Productionizing Machine Learning Models. Natural-Language Processing (NLP) Models, Neural Networks, Software Engineering, Statistical Analysis (ie: linear algebra, linear regression, hypothesis testing, & storytelling with data), Classic Algorithmic Paradigms, Computer Science, Data Structures (ie: hash tables, graphs, BST’s, etc.), Runtime Complexity, Computer Architecture, Agile Development, Slack, Zoom, Notion, Trello

Computer Science & Mathematics

Georgia Southern University • Statesboro, GA • August 2011 - December 2012

  • Calculus I, Calculus II, Calculus III, Statistics, Data Structures, Programming Principles I, Programming Principles II, Discrete Mathematics, Ethics of Computers in Society



Demosphere, Inc.

React Native Mobile App Developer • Full-Time • Remote • March 2022 - Present

  • I came aboard to help design, build, & improve the user experience for their mobile app, which is used by nationwide sports leagues to manage teams, players, coaches, & referees.

IPEG, Corp.

React Native Mobile App Developer • Short-Term, Full-Time Contract • Remote • February 2022 - March 2022 • 6 weeks

  • During my short-term contract, I successfully fixed the bugs on a React Native app that is used by customers in the internet & telecommunications industry.

Finequities, LLC

React Native Mobile App Developer & Back-End API's Developer • Full-Time Contract • Remote • October 2021 - February 2022 • 5 months

  • After everyone was laid-off due to the depletion of private funding, I was reminded that our fintech startup team had created an exceptionally impressive React Native social-trading app for exchanging stocks & crypto. I’m beyond thankful for all of the growth that has come from my experience with Finequities. We were a small team of (2) full-time developers, (1) designer, and (1) project manager.

Trilogy Education

Data Science Tutor for University Students • Part-Time • Remote • August 2020 - October 2021 • 1 year, 2 months

  • I guided hundreds of diverse college students (from dozens of national universities) how to build awesome websites, powerful dashboards, databases, & machine learning models using Python, JavaScript, HTML, & CSS.

Vanderbilt University

Teaching Assistant: Data Visualizations • Part-Time • Remote • September 2020 - March 2021 • 6 months

  • I assisted in teaching a bootcamp-style curriculum to 30+ Vanderbilt Students. I helped them learn how to build awesome websites, powerful dashboards, databases, & machine learning models.,

Small Business Owner (Self-Employed) • October 2015 – January 2019 • 3 years, 4 months

  • Data Management — automation, invoicing, client management, Google Analytics

  • Professional Sales — Generated $450k+ gross sales over the course of three years

  • Designer — websites, systems, processes, graphics, digital landscapes, sales proposals

  • Lessons Learned — the experience of managing my own businesses has shaped my mindset:

  • Customer/User/Client Centered Mindset

  • Ability to Ask the Right Questions

  • Desire to Never Stop Learning

  • Intuition to Set Goals/Plans

  • Clarity of Communication

  • Team-Building Aptitude

  • Humility to Ask for Help

  • Results-Driven Attitude

  • Disciplined & Focused

  • Critical Thinking Skills

  • Capacity to Research

  • Task Management


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

    HTML 2 1

  2. How I setup my new laptop for programming websites, mobile apps, and data science projects...

  3. 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 3 1

230 contributions in the last year

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August 2022

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