# Andrea (Annie) Ritch

> Staff Software Engineer at Kojo

Location: San Mateo, California, United States
Profile: https://flows.cv/andreaannieritch

## Work Experience
### Staff Software Engineer @ Kojo
Jan 2023 – Present

### Senior Software Engineer @ Kojo
Jan 2020 – Jan 2023

### Lead Software Developer @ Oh My Green
Jan 2019 – Jan 2020
Full-stack development using React and Rails to build internal and customer-facing applications for a company providing healthy snacks, beverages, and catering services to corporate offices.

Highlights over the past few years have included:
•	Working with the finance team to automate the invoicing process and to streamline sales tax reporting processes
•	Rebuilding an interactive, responsive customer-facing analytics platform with loading times decreased by a factor of 5
•	Refactoring codebase to use tree-structured client data instead of a flat list
•	Developing a new platform with multiple internal tools to improve food product management, to automate and streamline the process of ordering product from vendors, to manage client accounts, and to generate catering menus with templated signage
•	Co-managing two remote developers and mentoring two junior developers

### Senior Software Engineer @ Oh My Green
Jan 2018 – Jan 2019

### Software Engineer @ Oh My Green
Jan 2017 – Jan 2018 | San Francisco Bay Area

### Software Engineer @ mode.ai
Jan 2016 – Jan 2017 | Palo Alto, CA
Worked in a fast-paced environment across the full software stack (Django backend, AngularJS and Facebook Messenger frontend, AWS deployment) on our company's AI-powered chatbot. Implemented user-facing single-page applications in AngularJS to collect training data for our team's computer vision algorithms. Overhauled and streamlined the core functionality of our Facebook Messenger chatbot to facilitate the onboarding of new retailer partners. Re-built the company's website for a more modern, mobile-friendly design. Implemented new features such as allowing direct email-chatbot correspondence with customer service representatives.

### Graduate Student Researcher @ Stanford University
Jan 2014 – Jan 2016 | Stanford, CA
Worked in the Chamberlain Terrestrial Paleoclimate Group in the Department of Earth System Science. Utilized reanalysis data, HYSPLIT back-trajectory modeling, and reactive transport modeling to track the stable isotopes of vapor and precipitation along a storm track. Combined lake modeling with isotope mass balance to determine precipitation recycling ratios. Field experience collecting water and carbonate in the Zaysan Basin in Kazakhstan. Laboratory experience preparing water and carbonate samples for isotopic analysis.
Coding and data analysis using R.

### Graduate Teaching Assistant @ Stanford University
Jan 2015 – Jan 2015 | Dubois, WY
Course Title: Environmental and Geological Field Studies in the Rocky Mountains
Instructor: Page Chamberlain
Organized trip logistics and led field discussions in this three-week field course for rising sophomores.


## Education
### Bachelor’s Degree in Geochemistry
Caltech
Jan 2010 – Jan 2014

### Master’s Degree in Earth System Science
Stanford University
Jan 2014 – Jan 2016


## Contact & Social
- LinkedIn: https://linkedin.com/in/andrea-ritch
- GitHub: https://github.com/ajritch

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Source: https://flows.cv/andreaannieritch
JSON Resume: https://flows.cv/andreaannieritch/resume.json
Last updated: 2026-03-22