# Thomas Callaghan

> Software Engineer @ Addepar

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

Results-driven Computer Science graduate with a B.S. from UMass Amherst. Proven software engineering experience at Addepar, Juniper Networks, Staples, and CrunchTime. Skilled in Python, PySpark, Databricks, Java, and data integration.

I am presently a software engineer at Addepar, contributing to the development of the new Data Feeds pipeline within the Data Feeds Infrastructure and Tooling team.

## Work Experience
### Software Engineer @ Addepar
Jan 2023 – Present
Software engineer at Addepar, contributing to the development of the new Data Feeds pipeline within the Data Feeds Infrastructure and Tooling team.

### Software Engineer Intern @ Addepar
Jan 2022 – Jan 2022
• Enabled the billions of dollars that current Addepar clients have on Coinbase to be added to the main platform by integrating the Coinbase API
into Addepar’s data pipeline through collaboration with iOS, product, and data eng. teams in creating an automated Jenkins job with Python.
• Maintained client’s data feeds by fixing faulty Java data pipeline code and regression testing feeds to ensure 100% daily data ingestion.
• Developed back-end Java to allow config-based data feeds to disable and re-enable scoped rules, improving daily data ops and product work.

### 128 Technology Solutions Team Intern @ Juniper Networks
Jan 2021 – Jan 2021 | Burlington, Massachusetts, United States
- Migrated 128 Technology’s release performance reports onto Juniper’s performance website and stored data in an ELK database with Python and Robot Framework which enabled sales and marketing teams to have a unified website to view and compare performance metrics.
- Integrated core dumping detection into the Solutions Team’s Python library to assist in testing the quality and assurance of solutions.
- Created customer-centric generic testbeds with Terraform to standardize the testing process and greatly increase testing efficiency.

### Digital Solutions Intern (Enterprise Tools Team) @ Staples
Jan 2020 – Jan 2021 | Massachusetts, United States
- Predicted savings of over $100,000 per year by creating and automating a New Relic APM and Synthetics licensing monitor with Python, NewRelic Query Language, and REST APIs to minimalize utilization.
- Configured, deployed, and upgraded New Relic on RHEL, CentOS, and other servers along with automating this process using Ansible.
- Collaborated in automating transfer of policies interpreting SNMP via HP OVO into Zabbix Triggers and Items to increase security and usability.

### Personal Care Attendant @ MassHealth Personal Care Attendant Program
Jan 2019 – Jan 2020 | Hadley, Massachusetts, United States
- Cared for a man with cerebral palsy who was totally blind and nonverbal with daily tasks such as preparing meals, eating, and exercising.
- Ensured the safety and well-being of the man while assisting him in experiencing his daily life to its fullest extent.

### Software Engineer Intern @ CrunchTime!
Jan 2018 – Jan 2019 | Greater Boston Area
Completed two summer internships at Crunchtime. 
- Designed, developed, tested, and deployed a database performance monitoring system. This system analyzes over 500 million data points every month to point out historical performance regressions and detect real-time performance anomalies. Created a  graphical interface for the support team to view historical performance interactively. Technologies include Python, Dash, Gnuplot, and an Oracle database back-end.
- Created a Slack bot to automate redundant tasks and integrate with several internal and external applications for the POS integration team using Python, Slack APIs, and a MySQL database backend.
- Automated several tasks for the IT department using Python, Bash, and various APIs.


## Education
### Bachelor's degree in Computer Science
Manning College of Information and Computer Sciences, UMass Amherst

### Minor in Buiness
University of Massachusetts Amherst

### High School Diploma
Wakefield Memorial High School


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

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Source: https://flows.cv/thomascallaghan
JSON Resume: https://flows.cv/thomascallaghan/resume.json
Last updated: 2026-04-05