# David Teather

> Software Engineer at Clear Street

Location: Brooklyn, New York, United States
Profile: https://flows.cv/davidteather

I'm David Teather, specializing in data-driven solutions and robust software architectures. A few examples of my professional journey include:
* Open-Source Contribution: Developed and maintained the 'TikTokAPI', a Python package used by renowned institutions like Yale and Northwestern, and adopted by over 500 companies.
* Security Research: Uncovered vulnerabilities in YikYak’s app, prompting significant enhancements to user privacy, garnering attention from Vice and The Verge.
* Data Management: Spearheaded high throughput ETL pipelines at Collab, handling over 1 billion records, and future-proofing processing jobs with Apache Spark.
* Education: Collaborated with GitHub and LinkedIn Learning to create a course on GitHub Codespaces, directly impacting 1.2K+ learners.

As I navigate the dynamic tech landscape, I'm eager to engage in initiatives that push boundaries and drive meaningful impact. If collaboration or knowledge exchange resonates with you, I'd love to connect.

## Work Experience
### Software Engineer @ Clear Street
Jan 2026 – Present | New York, NY
Clearing and Settlement - Custody, focusing Corporate Actions

### Software Engineer @ CrowdStrike
Jan 2024 – Jan 2026
NG SIEM TDIR

### Software Engineer @ Third Chair (YC X25)
Jan 2025 – Jan 2025
Ingested additional data part time on the side

### Founder and Lead Contributor @ ApplicantAtlas
Jan 2023 – Jan 2024
• Developed ApplicantAtlas, an open-source platform for hackathon event management with custom forms, automated email workflows, and webhook integrations.
• Led all project aspects, including development, project management, UX design, and community engagement.
• Implemented key features like advanced data validation, time-limited form access, automated emails, and comprehensive triggers.
• Enhanced event management, simplifying processes and communication with a user-friendly interface for organizers and participants.

### Software Engineer Intern @ CrowdStrike
Jan 2023 – Jan 2023
• Developed a parser, lexer, and VM for LogScale Query Language (LQL) to a custom efficient bytecode
• Designed a comprehensive linter tool to ensure code integrity and to catch bugs before deployment to the client
• Created a custom testing framework for LQL, integrating it into our CI/CD pipeline

### LinkedIn Learning Instructor @ LinkedIn
Jan 2023 – Jan 2023
Developing high quality courses on tech content for LinkedIn Learning!

### Software Engineering Intern @ Collab
Jan 2022 – Jan 2023
• Designed and implemented scalable jobs with Apache Spark in Scala
• Developed an efficient API based abstraction for scraping data using Go
• Extracted and stored over 1 billion total records from a new data source

### Data Science Intern @ Advent International
Jan 2022 – Jan 2022
• Developed software in Python to estimate the number of customers using SaaS platforms
• Analyzed data from Evri (formerly Hermes UK) to minimize cannibalization of brick-and-mortar stores

### Software Engineering Intern @ Warner Music Group
Jan 2021 – Jan 2021
• Introduced a new data stream used in over 30% of musician signings and in 99% of investment decisions
• Implemented Ruby jobs to extract music charts and extract data from a music-streaming platform
• Designed an internal web tool for managing jobs

### Software Engineering Intern @ Trendpop
Jan 2020 – Jan 2021 | Remote
• Accepted into Y Combinator’s W21 batch
• Implemented a producer consumer web crawler in Python


## Education
### Bachelor of Science - BS in Computer Science
University of Wisconsin-Madison


## Contact & Social
- LinkedIn: https://linkedin.com/in/davidteather
- Portfolio: https://dteather.com/
- GitHub: https://github.com/davidteather

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Source: https://flows.cv/davidteather
JSON Resume: https://flows.cv/davidteather/resume.json
Last updated: 2026-04-13