# Jillian Kozyra

> Staff software engineer / engineering manager

Location: San Francisco, California, United States
Profile: https://flows.cv/jilliankozyra

Software engineer with 10+ years of experience. I have a demonstrated history of working on scalable solutions to tough problems with technical and non-technical stakeholders. My coding skills run the gamut from high-level languages like Ruby and Python to functional ones, like Haskell. I have a preference for backend with a touch of data engineering.

## Work Experience
### Staff Software Engineer / Engineering Manager @ Poggio Labs
Jan 2021 – Present
- Designed and built out platform to automatically ingest data at scale and surface it to customers
- Worked to scale API performance with a focus on sql bottlenecks
- Responsible for building and maintaining UI for connector management
- Hired and led platform engineering team of 4-5 engineers, including an intern, which owned the internal ORM, API, connectors, and activity stream
- Helped design and build out engineering hiring process
- First backend engineer hired
- #1 product engineer in terms of PRs
- Used Typescript, Node, Airflow, Spark, and Python

### Staff Software Engineer @ Curative
Jan 2020 – Jan 2021
- Built out lab and patient management apps to scale testing from 0 to 200k tests per day (and later, enable vaccination)
- Interfaced with customers to build and support data ingestion and exports
- Helped design engineering hiring process
- Built out new techinical support engineering team to handle requests from the customer success team that required engineering help; these were a significant time sink for product engineers and freed the team up to work on high priority features instead of running scripts
- One of first 3 engineers hired
- Used Flask, Prefect, Typescript, and React

### Staff Software Engineer @ Atrium
Jan 2019 – Jan 2020 | San Francisco Bay Area
- Developed a pipeline to process and extract data from legal documents at scale using AWS step functions
- Built out ETL pipelines to enable data-driven decision making using Fivetran and Looker
- Designed and built a document management system to allow lawyers to collaborate on and version legal documents natively in Microsoft Word
- Rolled out Sorbet, a static typechecker, to bring order to the chaos of a legacy Rails codebase
- Promoted good engineering practises thorugh the use of design docs and testing
- Mentored junior engineers
- Worked with Ruby, Rails, Python, React, and Typescript

### Tech Lead / Software Engineer @ Facebook
Jan 2017 – Jan 2018 | Dublin
- Worked on software to proactively flag platform abuse on Facebook and Instagram
- Contributed to modern and legacy software used by content reviewers (SRT, CRT)
- Led a team of 5 engineers
- Devised and implemented strategies to reduce amount of manual content review necessary
- Worked on improving efficiency and cohesion of engineering team by standardising practises such as design docs and RCA reviews
- Was #1 Haskell contributor at Facebook for several quarters
- Primarily used Haskell and Hack

### Co-Founder & CTO @ StableRenters
Jan 2012 – Jan 2017 | Greater New York City Area
- Built an application to rate landlords and rental properties in New York City using statistical and publicly available datasets
- Won grant from Knight New Challenge
- Used Ruby on Rails

### Data Scientist @ Google
Jan 2014 – Jan 2017 | Dublin
- Devised and implemented strategies to prevent spam from appearing in search results
- Was sole maintainer for infrastructure and flows that allowed website owners to have search penalties revoked
- Analysed large amounts of data to detect new spammy behaviours
- Created and improved processes and data pipelines for the team with emphasis on scale and automation
- Created Python class at Google to teach non-engineers how to code
- Mentored team members on career and technical skills
- Primarily used Python, C++, and AngularJS

### Researcher @ New York University
Jan 2007 – Jan 2011
- Developed a linguistics web application called Syntactic Structures of the World’s Languages to enable the comparison and analysis of linguistic properties across languages
- Presented project at conferences in the US and Canada
- Used Ruby on Rails

### Teaching Assistant @ New York University
Jan 2007 – Jan 2009
- Aided students in computer science (Java and Python) classes with homework and classwork
- Ran study sessions to prepare for exams

### Extreme Blue Technical Intern @ IBM
Jan 2009 – Jan 2009
- Developed an internal platform that enabled flexible and cost effective deployment of web applications
- Built a publicly-deployed portal to allow researchers to test and rate work
- Used IBM Developer Cloud and RC2 Cloud as platforms on which to deploy applications
- Presented to IBM execs to get buy-in to make project permanent post-internship

### Engineering Intern @ 24/7 RealMedia
Jan 2008 – Jan 2008
- Use QTP to perform testing on the UI for the product
- Built a generic testing framework for use with QTP

### Practice Assistant @ Kozyra & Hartz, LLC
Jan 2004 – Jan 2007
- Drafted and reviewed legal documents, such as leases, wills and real estate closings
- Read and analyzed court transcripts
- Prepared Excel spreadsheets to automate billing
- Performed general administrative work, including faxing, filing, copying, and mailing


## Education
### MA in Eastern European Studies
Jagiellonian University

### B.A. in Computer Science, Russian Studies, Physics
New York University


## Contact & Social
- LinkedIn: https://linkedin.com/in/jekozyra
- Portfolio: http://www.jilliankozyra.com

---
Source: https://flows.cv/jilliankozyra
JSON Resume: https://flows.cv/jilliankozyra/resume.json
Last updated: 2026-04-12