# AJ Hallac

> Engineering at Maybern

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

## Work Experience
### Staff Software Engineer @ Maybern
Jan 2025 – Present | New York, United States

### Senior Software Engineer @ Maybern
Jan 2022 – Jan 2025 | New York, United States

### Senior Software Engineer @ Cadre
Jan 2021 – Jan 2022 | New York, United States

### Software Engineer II @ Cadre
Jan 2020 – Jan 2021 | Greater New York City Area

### Software Engineer I @ Cadre
Jan 2019 – Jan 2019 | Greater New York City Area

### Teaching Assistant @ University of Pennsylvania
Jan 2016 – Jan 2019 | Greater Philadelphia Area
CIS 399 TA, Spring 2019 (1 semester)
CIS 160 Head TA, Spring 2017 - Fall 2018 (4 semesters)
CIS 160 TA, Spring 2016 - Fall 2016 (2 semesters)

CIS399: The Science of Data Ethics - Teaching Assistant for new course co-taught by Professors Michael Kearns and Ani Nenkova.

CIS160: Mathematical Foundations of Computer Science (Discrete Math)
Topics Covered: Combinatorics, Probability, Graph Theory, Set Theory, and more

I was one of three head teaching assistants for CIS 160. My role included teaching a 17 student recitation, holding weekly office hours, overseeing the grading of homeworks and exams, and managing the staff of 34 TAs for a 275 person class. In addition, I helped write class materials including homeworks, exams, and solutions.

### Teaching Assistant @ University of Pennsylvania
Jan 2016 – Jan 2016 | Greater Philadelphia Area
Residential teaching assistant for Engineering Summer Academy at Penn. I was a teaching assistant for the Introduction to Computer Science in Python course for high schoolers, where I graded their homework, held office hours and also was a Residential Advisor (RA) for the students.

### Research And Development Intern @ IPsoft
Jan 2018 – Jan 2018 | Greater New York City Area
Worked with the natural language processing team to develop a tool for unsupervised intent detection in utterances,
Furthered the research into using word vector embeddings as a method to represent utterances,
Worked to improve classifier interpretability, which included adding classifier explanations by linearly estimating the classifiers.

### Data Science Intern @ Cadre
Jan 2017 – Jan 2017
Built and maintained pipelines for ingesting and integrating 3rd party data.
Worked in Tableau to creatively display ingested data in new ways.

### Intern @ Harvest Management LLC
Jan 2015 – Jan 2015 | Greater New York City Area
Analyzed global mergers and acquisitions to discover trends and automated research tasks to improve efficiency.


## Education
### Bachelor of Engineering (B.E.) in Computer Science
University of Pennsylvania
Jan 2015 – Jan 2019

### Private Pilot's License in Aircraft Pilot (Private)
Performance Flight School
Jan 2012 – Jan 2015

### Scarsdale High School
Jan 2011 – Jan 2015


## Contact & Social
- LinkedIn: https://linkedin.com/in/hallaca

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Source: https://flows.cv/aj
JSON Resume: https://flows.cv/aj/resume.json
Last updated: 2026-03-20